README.md

   1 **These policies are in active development and so might contain changes that do not work with current versions of Firefox.**
   2
   3 **You should use the [officially released versions](https://github.com/mozilla/policy-templates/releases) if you are deploying changes.**
   4
   5 Policies can be specified using the [Group Policy templates on Windows](https://github.com/mozilla/policy-templates/tree/master/windows), [Intune on Windows](https://support.mozilla.org/kb/managing-firefox-intune), [configuration profiles on macOS](https://github.com/mozilla/policy-templates/tree/master/mac), or by creating a file called `policies.json`. On Windows, create a directory called `distribution` where the EXE is located and place the file there. On Mac, the file goes into `Firefox.app/Contents/Resources/distribution`.  On Linux, the file goes into `firefox/distribution`, where `firefox` is the installation directory for firefox, which varies by distribution or you can specify system-wide policy by placing the file in `/etc/firefox/policies`.
   6
   7 | Policy Name | Description
   8 | --- | --- |
   9 | **[`3rdparty`](#3rdparty)** | Set policies that WebExtensions can access via chrome.storage.managed.
  10 | **[`AppAutoUpdate`](#appautoupdate)** | Enable or disable automatic application update.
  11 | **[`AppUpdateURL`](#appupdateurl)** | Change the URL for application update.
  12 | **[`Authentication`](#authentication)** | Configure sites that support integrated authentication.
  13 | **[`BackgroundAppUpdate`](#backgroundappupdate)** | Enable or disable automatic application update in the background, when the application is not running.
  14 | **[`BlockAboutAddons`](#blockaboutaddons)** | Block access to the Add-ons Manager (about:addons).
  15 | **[`BlockAboutConfig`](#blockaboutconfig)** | Block access to about:config.
  16 | **[`BlockAboutProfiles`](#blockaboutprofiles)** | Block access to About Profiles (about:profiles).
  17 | **[`BlockAboutSupport`](#blockaboutsupport)** | Block access to Troubleshooting Information (about:support).
  18 | **[`Bookmarks`](#bookmarks)** | Add bookmarks in either the bookmarks toolbar or menu.
  19 | **[`CaptivePortal`](#captiveportal)** | Enable or disable the detection of captive portals.
  20 | **[`Certificates`](#certificates)** |
  21 | **[`Certificates -> ImportEnterpriseRoots`](#certificates--importenterpriseroots)** | Trust certificates that have been added to the operating system certificate store by a user or administrator.
  22 | **[`Certificates -> Install`](#certificates--install)** | Install certificates into the Firefox certificate store.
  23 | **[`Cookies`](#cookies)** | Configure cookie preferences.
  24 | **[`DisableAppUpdate`](#disableappupdate)** | Turn off application updates.
  25 | **[`DisableBuiltinPDFViewer`](#disablebuiltinpdfviewer)** | Disable the built in PDF viewer.
  26 | **[`DisabledCiphers`](#disabledciphers)** | Disable ciphers.
  27 | **[`DisableDefaultBrowserAgent`](#disabledefaultbrowseragent)** | Prevent the default browser agent from taking any actions (Windows only).
  28 | **[`DisableDeveloperTools`](#disabledevelopertools)** | Remove access to all developer tools.
  29 | **[`DisableFeedbackCommands`](#disablefeedbackcommands)** | Disable the menus for reporting sites.
  30 | **[`DisableFirefoxScreenshots`](#disablefirefoxscreenshots)** | Remove access to Firefox Screenshots.
  31 | **[`DisableFirefoxAccounts`](#disablefirefoxaccounts)** | Disable Firefox Accounts integration (Sync).
  32 | **[`DisableFirefoxStudies`](#disablefirefoxstudies)** | Disable Firefox studies (Shield).
  33 | **[`DisableForgetButton`](#disableforgetbutton)** | Disable the "Forget" button.
  34 | **[`DisableFormHistory`](#disableformhistory)** | Turn off saving information on web forms and the search bar.
  35 | **[`DisableMasterPasswordCreation`](#disablemasterpasswordcreation)** | Remove the master password functionality.
  36 | **[`DisablePasswordReveal`](#disablepasswordreveal)** | Do not allow passwords to be revealed in saved logins.
  37 | **[`DisablePocket`](#disablepocket)** | Remove Pocket in the Firefox UI.
  38 | **[`DisablePrivateBrowsing`](#disableprivatebrowsing)** | Remove access to private browsing.
  39 | **[`DisableProfileImport`](#disableprofileimport)** | Disables the "Import data from another browser" option in the bookmarks window.
  40 | **[`DisableProfileRefresh`](#disableprofilerefresh)** | Disable the Refresh Firefox button on about:support and support.mozilla.org
  41 | **[`DisableSafeMode`](#disablesafemode)** | Disable safe mode within the browser.
  42 | **[`DisableSecurityBypass`](#disablesecuritybypass)** | Prevent the user from bypassing security in certain cases.
  43 | **[`DisableSetDesktopBackground`](#disablesetdesktopbackground)** | Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
  44 | **[`DisableSystemAddonUpdate`](#disablesystemaddonupdate)** | Prevent system add-ons from being installed or update.
  45 | **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
  46 | **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
  47 | **[`DisplayMenuBar (Deprecated)`](#displaymenubar-deprecated)** | Set the initial state of the menubar.
  48 | **[`DisplayMenuBar`](#displaymenubar)** | Set the state of the menubar.
  49 | **[`DNSOverHTTPS`](#dnsoverhttps)** | Configure DNS over HTTPS.
  50 | **[`DontCheckDefaultBrowser`](#dontcheckdefaultbrowser)** | Don't check if Firefox is the default browser at startup.
  51 | **[`DefaultDownloadDirectory`](#defaultdownloaddirectory)** | Set the default download directory.
  52 | **[`DownloadDirectory`](#downloaddirectory)** | Set and lock the download directory.
  53 | **[`EnableTrackingProtection`](#enabletrackingprotection)** | Configure tracking protection.
  54 | **[`EncryptedMediaExtensions`](#encryptedmediaextensions)** | Enable or disable Encrypted Media Extensions and optionally lock it.
  55 | **[`EnterprisePoliciesEnabled`](#enterprisepoliciesenabled)** | Enable policy support on macOS.
  56 | **[`Extensions`](#extensions)** | Control the installation, uninstallation and locking of extensions.
  57 | **[`ExtensionSettings`](#extensionsettings)** | Manage all aspects of extensions.
  58 | **[`ExtensionUpdate`](#extensionupdate)** | Control extension updates.
  59 | **[`FlashPlugin`](#flashplugin)** | Configure the default Flash plugin policy as well as origins for which Flash is allowed.
  60 | **[`FirefoxHome`](#firefoxhome)** | Customize the Firefox Home page.
  61 | **[`HardwareAcceleration`](#hardwareacceleration)** | Control hardware acceleration.
  62 | **[`Handlers`](#handlers)** | Configure default application handlers.
  63 | **[`Homepage`](#homepage)** | Configure the default homepage and how Firefox starts.
  64 | **[`InstallAddonsPermission`](#installaddonspermission)** | Configure the default extension install policy as well as origins for extension installs are allowed.
  65 | **[`LegacyProfiles`](#legacyprofiles)** | Disable the feature enforcing a separate profile for each installation.
  66 | **[`LocalFileLinks`](#localfilelinks)** | Enable linking to local files by origin.
  67 | **[`ManagedBookmarks`](#managedbookmarks)** | Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
  68 | **[`ManualAppUpdateOnly`](#manualappupdateonly)** | Allow manual updates only and do not notify the user about updates..
  69 | **[`PrimaryPassword`](#primarypassword)** | Require or prevent using a primary (formerly master) password.
  70 | **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
  71 | **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
  72 | **[`NoDefaultBookmarks`](#nodefaultbookmarks)** | Disable the creation of default bookmarks.
  73 | **[`OfferToSaveLogins`](#offertosavelogins)** | Control whether or not Firefox offers to save passwords.
  74 | **[`OfferToSaveLoginsDefault`](#offertosaveloginsdefault)** | Set the default value for whether or not Firefox offers to save passwords.
  75 | **[`OverrideFirstRunPage`](#overridefirstrunpage)** | Override the first run page.
  76 | **[`OverridePostUpdatePage`](#overridepostupdatepage)** | Override the upgrade page.
  77 | **[`PasswordManagerEnabled`](#passwordmanagerenabled)** | Remove (some) access to the password manager.
  78 | **[`PDFjs`](#pdfjs)** | Disable or configure PDF.js, the built-in PDF viewer.
  79 | **[`Permissions`](#permissions)** | Set permissions associated with camera, microphone, location, and notifications.
  80 | **[`PictureInPicture`](#pictureinpicture)** | Enable or disable Picture-in-Picture.
  81 | **[`PopupBlocking`](#popupblocking)** | Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
  82 | **[`Preferences`](#preferences)** | Set and lock preferences.
  83 | **[`Preferences (Deprecated)`](#preferences-deprecated)** | Set and lock some preferences.
  84 | **[`PromptForDownloadLocation`](#promptfordownloadlocation)** | Ask where to save each file before downloading.
  85 | **[`Proxy`](#proxy)** | Configure proxy settings.
  86 | **[`RequestedLocales`](#requestedlocales)** | Set the the list of requested locales for the application in order of preference.
  87 | **[`SanitizeOnShutdown` (All)](#sanitizeonshutdown-all)** | Clear all data on shutdown.
  88 | **[`SanitizeOnShutdown` (Selective)](#sanitizeonshutdown-selective)** | Clear data on shutdown.
  89 | **[`SearchBar`](#searchbar)** | Set whether or not search bar is displayed.
  90 | **[`SearchEngines`](#searchengines-this-policy-is-only-available-on-the-esr)** |
  91 | **[`SearchEngines -> Default`](#searchengines--default)** | Set the default search engine.
  92 | **[`SearchEngines -> PreventInstalls`](#searchengines--preventinstalls)** | Prevent installing search engines from webpages.
  93 | **[`SearchEngines -> Remove`](#searchengines--remove)** | Hide built-in search engines.
  94 | **[`SearchEngines -> Add`](#searchengines--add)** | Add new search engines.
  95 | **[`SearchSuggestEnabled`](#searchsuggestenabled)** | Enable search suggestions.
  96 | **[`SecurityDevices`](#securitydevices)** | Install PKCS #11 modules.
  97 | **[`ShowHomeButton`](#showhomebutton)** | Show the home button on the toolbar.
  98 | **[`SSLVersionMax`](#sslversionmax)** | Set and lock the maximum version of TLS.
  99 | **[`SSLVersionMin`](#sslversionmin)** | Set and lock the minimum version of TLS.
 100 | **[`SupportMenu`](#supportmenu)** | Add a menuitem to the help menu for specifying support information.
 101 | **[`UserMessaging`](#usermessaging)** | Don't show certain messages to the user.
 102 | **[`WebsiteFilter`](#websitefilter)** | Block websites from being visited.
 103
 104 ### 3rdparty
 105
 106 Allow WebExtensions to configure policy. For more information, see [Adding policy support to your extension](https://extensionworkshop.com/documentation/enterprise/adding-policy-support-to-your-extension/).
 107
 108 ### AppAutoUpdate
 109
 110 Enable or disable **automatic** application update.
 111
 112 If set to true, application updates are installed without user approval within Firefox. The operating system might still require approval.
 113
 114 If set to false, application updates are downloaded but the user can choose when to install the update.
 115
 116 If you have disabled updates via DisableAppUpdate, this policy has no effect.
 117
 118 **Compatibility:** Firefox 75, Firefox ESR 68.7\
 119 **CCK2 Equivalent:** N/A\
 120 **Preferences Affected:** app.update.auto
 121
 122 #### Windows (GPO)
 123 ```
 124 Software\Policies\Mozilla\Firefox\AppAutoUpdate = 0x1 | 0x0
 125 ```
 126 #### Windows (Intune)
 127 OMA-URI:
 128 ```
 129 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppAutoUpdate
 130 ```
 131 Value (string):
 132 ```
 133 <enabled/> or <disabled/>
 134 ```
 135 #### macOS
 136 ```
 137 <dict>
 138   <key>AppAutoUpdate</key>
 139   <true/> | <false/>
 140 </dict>
 141 ```
 142 #### policies.json
 143 ```
 144 {
 145   "policies": {
 146     "AppAutoUpdate": true | false
 147   }
 148 }
 149 ```
 150 ### AppUpdateURL
 151
 152 Change the URL for application update if you are providing Firefox updates from a custom update server.
 153
 154 **Compatibility:** Firefox 62, Firefox ESR 60.2\
 155 **CCK2 Equivalent:** N/A\
 156 **Preferences Affected:** `app.update.url`
 157
 158 #### Windows (GPO)
 159 ```
 160 Software\Policies\Mozilla\Firefox\AppUpdateURL = "https://yoursite.com"
 161 ```
 162 #### Windows (Intune)
 163 OMA-URI:
 164 ```
 165 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppUpdateURL
 166 ```
 167 Value (string):
 168 ```
 169 <enabled/>
 170 <data id="AppUpdateURL" value="https://yoursite.com"/>
 171 ```
 172 #### macOS
 173 ```
 174 <dict>
 175   <key>AppUpdateURL</key>
 176   <string>https://yoursite.com</string>
 177 </dict>
 178 ```
 179 #### policies.json
 180 ```
 181 {
 182   "policies": {
 183     "AppUpdateURL": "https://yoursite.com"
 184   }
 185 }
 186 ```
 187 ### Authentication
 188
 189 Configure sites that support integrated authentication.
 190
 191 See https://developer.mozilla.org/en-US/docs/Mozilla/Integrated_authentication for more information.
 192
 193 `PrivateBrowsing` enables integrated authentication in private browsing.
 194
 195 **Compatibility:** Firefox 60, Firefox ESR 60 (AllowNonFQDN added in 62/60.2, AllowProxies added in 70/68.2, Locked added in 71/68.3, PrivateBrowsing added in 77/68.9)\
 196 **CCK2 Equivalent:** N/A\
 197 **Preferences Affected:** `network.negotiate-auth.trusted-uris`,`network.negotiate-auth.delegation-uris`,`network.automatic-ntlm-auth.trusted-uris`,`network.automatic-ntlm-auth.allow-non-fqdn`,`network.negotiate-auth.allow-non-fqdn`,`network.automatic-ntlm-auth.allow-proxies`,`network.negotiate-auth.allow-proxies`,`network.auth.private-browsing-sso`
 198
 199 #### Windows (GPO)
 200 ```
 201 Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\1 = "mydomain.com"
 202 Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\2 = "https://myotherdomain.com"
 203 Software\Policies\Mozilla\Firefox\Authentication\Delegated\1 = "mydomain.com"
 204 Software\Policies\Mozilla\Firefox\Authentication\Delegated\2 = "https://myotherdomain.com"
 205 Software\Policies\Mozilla\Firefox\Authentication\NTLM\1 = "mydomain.com"
 206 Software\Policies\Mozilla\Firefox\Authentication\NTLM\2 = "https://myotherdomain.com"
 207 Software\Policies\Mozilla\Firefox\Authentication\AllowNonFQDN\SPNEGO = 0x1 | 0x0
 208 Software\Policies\Mozilla\Firefox\Authentication\AllowNonFQDN\NTLM = 0x1 | 0x0
 209 Software\Policies\Mozilla\Firefox\Authentication\AllowProxies\SPNEGO = 0x1 | 0x0
 210 Software\Policies\Mozilla\Firefox\Authentication\AllowProxies\NTLM = 0x1 | 0x0
 211 Software\Policies\Mozilla\Firefox\Authentication\Locked = 0x1 | 0x0
 212 Software\Policies\Mozilla\Firefox\Authentication\PrivateBrowsing = 0x1 | 0x0
 213 ```
 214 #### Windows (Intune)
 215 OMA-URI:
 216 ```
 217 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_SPNEGO
 218 ```
 219 Value (string):
 220 ```
 221 <enabled/>
 222 <data id="Authentication" value="1&#xF000;mydomain&#xF000;2&#xF000;https://myotherdomain.com"/>
 223 ```
 224 OMA-URI:
 225 ```
 226 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_Delegated
 227 ```
 228 Value (string):
 229 ```
 230 <enabled/>
 231 <data id="Authentication" value="1&#xF000;mydomain&#xF000;2&#xF000;https://myotherdomain.com"/>
 232 ```
 233 OMA-URI:
 234 ```
 235 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_NTLM
 236 ```
 237 Value (string):
 238 ```
 239 <enabled/>
 240 <data id="Authentication" value="1&#xF000;mydomain&#xF000;2&#xF000;https://myotherdomain.com"/>
 241 ```
 242 OMA-URI:
 243 ```
 244 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_AllowNonFQDN
 245 ```
 246 Value (string):
 247 ```
 248 <enabled/>
 249 <data id="Authentication_AllowNonFQDN_NTLM" value="true | false"/>
 250 <data id="Authentication_AllowNonFQDN_SPNEGO" value="true | false"/>
 251 ```
 252 OMA-URI:
 253 ```
 254 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_Locked
 255 ```
 256 Value (string):
 257 ```
 258 <enabled/> or <disabled/>
 259 ```
 260 OMA-URI:
 261 ```
 262 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_PrivateBrowsing
 263 ```
 264 Value (string):
 265 ```
 266 <enabled/> or <disabled/>
 267 ```
 268 #### macOS
 269 ```
 270 <dict>
 271   <key>Authentication</key>
 272   <dict>
 273     <key>SPNEGO</key>
 274     <array>
 275       <string>mydomain.com</string>
 276       <string>https://myotherdomain.com</string>
 277     </array>
 278     <key>Delegated</key>
 279     <array>
 280       <string>mydomain.com</string>
 281       <string>https://myotherdomain.com</string>
 282     </array>
 283     <key>NTLM</key>
 284     <array>
 285       <string>mydomain.com</string>
 286       <string>https://myotherdomain.com</string>
 287     </array>
 288     <key>AllowNonFQDN</key>
 289       <dict>
 290       <key>SPNEGO</key>
 291       <true/> | <false/>
 292       <key>NTLM</key>
 293       <true/> | <false/>
 294     </dict>
 295     <key>AllowProxies</key>
 296       <dict>
 297       <key>SPNEGO</key>
 298       <true/> | <false/>
 299       <key>NTLM</key>
 300       <true/> | <false/>
 301     </dict>
 302     <key>Locked</key>
 303     <true/> | <false/>
 304     <key>PrivateBrowsing</key>
 305     <true/> | <false/>
 306   </dict>
 307 </dict>
 308 ```
 309 #### policies.json
 310 ```
 311 {
 312   "policies": {
 313     "Authentication": {
 314       "SPNEGO": ["mydomain.com", "https://myotherdomain.com"],
 315       "Delegated": ["mydomain.com", "https://myotherdomain.com"],
 316       "NTLM": ["mydomain.com", "https://myotherdomain.com"],
 317       "AllowNonFQDN": {
 318         "SPNEGO": true | false,
 319         "NTLM": true | false
 320       },
 321       "AllowProxies": {
 322         "SPNEGO": true | false,
 323         "NTLM": true | false
 324       },
 325       "Locked": true | false,
 326       "PrivateBrowsing": true | false
 327     }
 328   }
 329 }
 330 ```
 331 ### BackgroundAppUpdate
 332
 333 Enable or disable **automatic** application update **in the background**, when the application is not running.
 334
 335 If set to true, application updates may be installed (without user approval) in the background, even when the application is not running. The operating system might still require approval.
 336
 337 If set to false, the application will not try to install updates when the application is not running.
 338
 339 If you have disabled updates via `DisableAppUpdate` or disabled automatic updates via `AppUpdateAuto`, this policy has no effect.
 340
 341 **Compatibility:** Firefox 89\
 342 **CCK2 Equivalent:** N/A\
 343 **Preferences Affected:** `app.update.background.enabled`
 344
 345 #### Windows (GPO)
 346 ```
 347 Software\Policies\Mozilla\Firefox\BackgroundAppUpdate = 0x1 | 0x0
 348 ```
 349 #### Windows (Intune)
 350 OMA-URI:
 351 ```
 352 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BackgroundAppUpdate
 353 ```
 354 Value (string):
 355 ```
 356 <enabled/> or <disabled/>
 357 ```
 358 #### macOS
 359 ```
 360 <dict>
 361   <key>BackgroundAppUpdate</key>
 362   <true/> | <false/>
 363 </dict>
 364 ```
 365 #### policies.json
 366 ```
 367 {
 368   "policies": {
 369     "BackgroundAppUpdate": true | false
 370   }
 371 }
 372 ```
 373 ### BlockAboutAddons
 374
 375 Block access to the Add-ons Manager (about:addons).
 376
 377 **Compatibility:** Firefox 60, Firefox ESR 60\
 378 **CCK2 Equivalent:** `disableAddonsManager`\
 379 **Preferences Affected:** N/A
 380
 381 #### Windows (GPO)
 382 ```
 383 Software\Policies\Mozilla\Firefox\BlockAboutAddons = 0x1 | 0x0
 384 ```
 385 #### Windows (Intune)
 386 OMA-URI:
 387 ```
 388 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutAddons
 389 ```
 390 Value (string):
 391 ```
 392 <enabled/> or <disabled/>
 393 ```
 394 #### macOS
 395 ```
 396 <dict>
 397   <key>BlockAboutAddons</key>
 398   <true/> | <false/>
 399 </dict>
 400 ```
 401 #### policies.json
 402 ```
 403 {
 404   "policies": {
 405     "BlockAboutAddons": true | false
 406   }
 407 }
 408 ```
 409 ### BlockAboutConfig
 410
 411 Block access to about:config.
 412
 413 **Compatibility:** Firefox 60, Firefox ESR 60\
 414 **CCK2 Equivalent:** `disableAboutConfig`\
 415 **Preferences Affected:** N/A
 416
 417 #### Windows (GPO)
 418 ```
 419 Software\Policies\Mozilla\Firefox\BlockAboutConfig = 0x1 | 0x0
 420 ```
 421 #### Windows (Intune)
 422 OMA-URI:
 423 ```
 424 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutConfig
 425 ```
 426 Value (string):
 427 ```
 428 <enabled/> or <disabled/>
 429 ```
 430 #### macOS
 431 ```
 432 <dict>
 433   <key>BlockAboutConfig</key>
 434   <true/> | <false/>
 435 </dict>
 436 ```
 437 #### policies.json
 438 ```
 439 {
 440   "policies": {
 441     "BlockAboutConfig": true | false
 442   }
 443 }
 444 ```
 445 ### BlockAboutProfiles
 446
 447 Block access to About Profiles (about:profiles).
 448
 449 **Compatibility:** Firefox 60, Firefox ESR 60\
 450 **CCK2 Equivalent:** `disableAboutProfiles`\
 451 **Preferences Affected:** N/A
 452
 453 #### Windows (GPO)
 454 ```
 455 Software\Policies\Mozilla\Firefox\BlockAboutProfiles = 0x1 | 0x0
 456 ```
 457 #### Windows (Intune)
 458 OMA-URI:
 459 ```
 460 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutProfiles
 461 ```
 462 Value (string):
 463 ```
 464 <enabled/> or <disabled/>
 465 ```
 466 #### macOS
 467 ```
 468 <dict>
 469   <key>BlockAboutProfiles</key>
 470   <true/> | <false/>
 471 </dict>
 472 ```
 473 #### policies.json
 474 ```
 475 {
 476   "policies": {
 477     "BlockAboutProfiles": true | false
 478   }
 479 }
 480 ```
 481 ### BlockAboutSupport
 482
 483 Block access to Troubleshooting Information (about:support).
 484
 485 **Compatibility:** Firefox 60, Firefox ESR 60\
 486 **CCK2 Equivalent:** `disableAboutSupport`\
 487 **Preferences Affected:** N/A
 488
 489 #### Windows (GPO)
 490 ```
 491 Software\Policies\Mozilla\Firefox\BlockAboutSupport = 0x1 | 0x0
 492 ```
 493 #### Windows (Intune)
 494 OMA-URI:
 495 ```
 496 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutSupport
 497 ```
 498 Value (string):
 499 ```
 500 <enabled/> or <disabled/>
 501 ```
 502 #### macOS
 503 ```
 504 <dict>
 505   <key>BlockAboutSupport</key>
 506   <true/> | <false/>
 507 </dict>
 508 ```
 509 #### policies.json
 510 ```
 511 {
 512   "policies": {
 513     "BlockAboutSupport": true | false
 514   }
 515 }
 516 ```
 517 ### Bookmarks
 518
 519 Note: [`ManagedBookmarks`](#managedbookmarks) is the new recommended way to add bookmarks. This policy will continue to be supported.
 520
 521 Add bookmarks in either the bookmarks toolbar or menu. Only `Title` and `URL` are required. If `Placement` is not specified, the bookmark will be placed on the toolbar. If `Folder` is specified, it is automatically created and bookmarks with the same folder name are grouped together.
 522
 523 **Compatibility:** Firefox 60, Firefox ESR 60\
 524 **CCK2 Equivalent:** `bookmarks.toolbar`,`bookmarks.menu`\
 525 **Preferences Affected:** N/A
 526
 527 #### Windows (GPO)
 528 ```
 529 Software\Policies\Mozilla\Firefox\Bookmarks\1\Title = "Example"
 530 Software\Policies\Mozilla\Firefox\Bookmarks\1\URL = "https://example.com"
 531 Software\Policies\Mozilla\Firefox\Bookmarks\1\Favicon = "https://example.com/favicon.ico"
 532 Software\Policies\Mozilla\Firefox\Bookmarks\1\Placement = "toolbar" | "menu"
 533 Software\Policies\Mozilla\Firefox\Bookmarks\1\Folder = "FolderName"
 534 ```
 535 #### Windows (Intune)
 536 OMA-URI:
 537 ```
 538 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Bookmarks/Bookmark01
 539 ```
 540 Value (string):
 541 ```
 542 <enabled/>
 543 <data id="BookmarkTitle" value="Example"/>
 544 <data id="BookmarkURL" value="https://example.com"/>
 545 <data id="BookmarkFavicon" value="https://example.com/favicon.ico"/>
 546 <data id="BookmarkPlacement" value="toolbar | menu"/>
 547 <data id="BookmarkFolder" value="FolderName"/>
 548 ```
 549 #### macOS
 550 ```
 551 <dict>
 552   <key>Bookmarks</key>
 553   <array>
 554     <dict>
 555       <key>Title</key>
 556       <string>Example</string>
 557       <key>URL</key>
 558       <string>https://example.com</string>
 559       <key>Favicon</key>
 560       <string>https://example.com/favicon.ico</string>
 561       <key>Placement</key>
 562       <string>toolbar | menu</string>
 563       <key>Folder</key>
 564       <string>FolderName</string>
 565     </dict>
 566   </array>
 567 </dict>
 568 ```
 569 #### policies.json
 570 ```
 571 {
 572   "policies": {
 573     "Bookmarks": [
 574       {
 575         "Title": "Example",
 576         "URL": "https://example.com",
 577         "Favicon": "https://example.com/favicon.ico",
 578         "Placement": "toolbar" | "menu",
 579         "Folder": "FolderName"
 580       }
 581     ]
 582   }
 583 }
 584 ```
 585 ### CaptivePortal
 586 Enable or disable the detection of captive portals.
 587
 588 **Compatibility:** Firefox 67, Firefox ESR 60.7\
 589 **CCK2 Equivalent:** N/A\
 590 **Preferences Affected:** `network.captive-portal-service.enabled`
 591
 592 #### Windows (GPO)
 593 ```
 594 Software\Policies\Mozilla\Firefox\CaptivePortal = 0x1 | 0x0
 595 ```
 596 #### Windows (Intune)
 597 OMA-URI:
 598 ```
 599 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/CaptivePortal
 600 ```
 601 Value (string):
 602 ```
 603 <enabled/> or <disabled/>
 604 ```
 605 #### macOS
 606 ```
 607 <dict>
 608   <key>CaptivePortal</key>
 609   <true/> | <false/>
 610 </dict>
 611 ```
 612 #### policies.json
 613 ```
 614 {
 615   "policies": {
 616     "CaptivePortal": true | false
 617   }
 618 }
 619 ```
 620 ### Certificates
 621
 622 ### Certificates | ImportEnterpriseRoots
 623
 624 Trust certificates that have been added to the operating system certificate store by a user or administrator.
 625
 626 Note: This policy only works on Windows and macOS. For Linux discussion, see [bug 1600509](https://bugzilla.mozilla.org/show_bug.cgi?id=1600509).
 627
 628 See https://support.mozilla.org/kb/setting-certificate-authorities-firefox for more detail.
 629
 630 **Compatibility:** Firefox 60, Firefox ESR 60 (macOS support in Firefox 63, Firefox ESR 68)\
 631 **CCK2 Equivalent:** N/A\
 632 **Preferences Affected:** `security.enterprise_roots.enabled`
 633
 634 #### Windows (GPO)
 635 ```
 636 Software\Policies\Mozilla\Firefox\Certificates\ImportEnterpriseRoots = 0x1 | 0x0
 637 ```
 638 #### Windows (Intune)
 639 OMA-URI:
 640 ```
 641 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Certificates/Certificates_ImportEnterpriseRoots
 642 ```
 643 Value (string):
 644 ```
 645 <enabled/> or <disabled/>
 646 ```
 647 #### macOS
 648 ```
 649 <dict>
 650   <key>Certificates</key>
 651   <dict>
 652     <key>ImportEnterpriseRoots</key>
 653     <true/> | <false/>
 654   </dict>
 655 </dict>
 656 ```
 657 #### policies.json
 658 ```
 659 {
 660   "policies": {
 661     "Certificates": {
 662       "ImportEnterpriseRoots": true | false
 663     }
 664   }
 665 }
 666 ```
 667 ### Certificates | Install
 668
 669 Install certificates into the Firefox certificate store. If only a filename is specified, Firefox searches for the file in the following locations:
 670
 671 - Windows
 672   - %USERPROFILE%\AppData\Local\Mozilla\Certificates
 673   - %USERPROFILE%\AppData\Roaming\Mozilla\Certificates
 674 - macOS
 675   - /Library/Application Support/Mozilla/Certificates
 676   - ~/Library/Application Support/Mozilla/Certificates
 677 - Linux
 678   - /usr/lib/mozilla/certificates
 679   - /usr/lib64/mozilla/certificates
 680   - ~/.mozilla/certificates
 681
 682 Starting with Firefox 65, Firefox 60.5 ESR, a fully qualified path can be used, including UNC paths. You should use the native path style for your operating system. We do not support using %USERPROFILE% or other environment variables on Windows.
 683
 684 If you are specifying the path in the policies.json file on Windows, you need to escape your backslashes (`\\`) which means that for UNC paths, you need to escape both (`\\\\`). If you use group policy, you only need one backslash.
 685
 686 Certificates are installed using the trust string `CT,CT,`.
 687
 688 Binary (DER) and ASCII (PEM) certificates are both supported.
 689
 690 **Compatibility:** Firefox 64, Firefox ESR 64\
 691 **CCK2 Equivalent:** `certs.ca`\
 692 **Preferences Affected:** N/A
 693
 694 #### Windows (GPO)
 695 ```
 696 Software\Policies\Mozilla\Firefox\Certificates\Install\1 = "cert1.der"
 697 Software\Policies\Mozilla\Firefox\Certificates\Install\2 = "C:\Users\username\cert2.pem"
 698 ```
 699 #### Windows (Intune)
 700 OMA-URI:
 701 ```
 702 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Certificates/Certificates_Install
 703 ```
 704 Value (string):
 705 ```
 706 <enabled/>
 707 <data id="Certificates_Install" value="1&#xF000;cert1.der&#xF000;2&#xF000;C:\Users\username\cert2.pem"/>
 708 ```
 709 #### macOS
 710 ```
 711 <dict>
 712   <key>Certificates</key>
 713   <dict>
 714     <key>Install</key>
 715     <array>
 716       <string>cert1.der</string>
 717       <string>/Users/username/cert2.pem</string>
 718     </array>
 719   </dict>
 720 </dict>
 721 ```
 722 #### policies.json
 723 ```
 724 {
 725   "policies": {
 726     "Certificates": {
 727       "Install": ["cert1.der", "/home/username/cert2.pem"]
 728     }
 729   }
 730 }
 731 ```
 732 ### Cookies
 733 Configure cookie preferences.
 734
 735 `Allow` is a list of origins (not domains) where cookies are always allowed. You must include http or https.
 736
 737 `AllowSession` is a list of origins (not domains) where cookies are only allowed for the current session. You must include http or https.
 738
 739 `Block` is a list of origins (not domains) where cookies are always blocked. You must include http or https.
 740
 741 `Default` determines whether cookies are accepted at all.
 742
 743 `AcceptThirdParty` determines how third-party cookies are handled.
 744
 745 `ExpireAtSessionEnd` determines when cookies expire.
 746
 747 `RejectTracker` only rejects cookies for trackers.
 748
 749 `Locked` prevents the user from changing cookie preferences.
 750
 751 **Compatibility:** Firefox 60, Firefox ESR 60 (RejectTracker added in Firefox 63, AllowSession added in Firefox 79/78.1)\
 752 **CCK2 Equivalent:** N/A\
 753 **Preferences Affected:** `network.cookie.cookieBehavior`,`network.cookie.lifetimePolicy`
 754
 755 #### Windows (GPO)
 756 ```
 757 Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
 758 Software\Policies\Mozilla\Firefox\Cookies\AllowSession\1 = "https://example.edu"
 759 Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
 760 Software\Policies\Mozilla\Firefox\Cookies\Default = 0x1 | 0x0
 761 Software\Policies\Mozilla\Firefox\Cookies\AcceptThirdParty = "always" | "never" | "from-visited"
 762 Software\Policies\Mozilla\Firefox\Cookies\ExpireAtSessionEnd = 0x1 | 0x0
 763 Software\Policies\Mozilla\Firefox\Cookies\RejectTracker = 0x1 | 0x0
 764 Software\Policies\Mozilla\Firefox\Cookies\Locked = 0x1 | 0x0
 765 ```
 766 #### Windows (Intune)
 767 OMA-URI:
 768 ```
 769 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Allow
 770 ```
 771 Value (string):
 772 ```
 773 <enabled/>
 774 <data id="Cookies_Allow" value="1&#xF000;https://example.com"/>
 775 ```
 776 OMA-URI:
 777 ```
 778 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_AllowSession
 779 ```
 780 Value (string):
 781 ```
 782 <enabled/>
 783 <data id="Cookies_Allow" value="1&#xF000;https://example.edu"/>
 784 ```
 785 OMA-URI:
 786 ```
 787 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Block
 788 ```
 789 Value (string):
 790 ```
 791 <enabled/>
 792 <data id="Cookies_Block" value="1&#xF000;https://example.org"/>
 793 ```
 794 OMA-URI:
 795 ```
 796 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Default
 797 ```
 798 Value (string):
 799 ```
 800 <enabled/> or <disabled/>
 801 ```
 802 OMA-URI:
 803 ```
 804 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_AcceptThirdParty
 805 ```
 806 Value (string):
 807 ```
 808 <enabled/>
 809 <data id="Cookies_AcceptThirdParty" value="always | never | from-visited"/>
 810 ```
 811 OMA-URI:
 812 ```
 813 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_ExpireAtSessionEnd
 814 ```
 815 Value (string):
 816 ```
 817 <enabled/> or <disabled/>
 818 ```
 819 OMA-URI:
 820 ```
 821 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_RejectTracker
 822 ```
 823 Value (string):
 824 ```
 825 <enabled/> or <disabled/>
 826 ```
 827 OMA-URI:
 828 ```
 829 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Locked
 830 ```
 831 Value (string):
 832 ```
 833 <enabled/> or <disabled/>
 834 ```
 835 #### macOS
 836 ```
 837 <dict>
 838   <key>Cookies</key>
 839   <dict>
 840     <key>Allow</key>
 841     <array>
 842       <string>http://example.com</string>
 843     </array>
 844     <key>AllowSession</key>
 845     <array>
 846       <string>http://example.edu</string>
 847     </array>
 848     <key>Block</key>
 849     <array>
 850       <string>http://example.org</string>
 851     </array>
 852     <key>Default</key>
 853     <true/> | <false/>
 854     <key>AcceptThirdParty</key>
 855     <string>always | never | from-visited</string>
 856     <key>ExpireAtSessionEnd</key>
 857     <true/> | <false/>
 858     <key>RejectTracker</key>
 859     <true/> | <false/>
 860     <key>Locked</key>
 861     <true/> | <false/>
 862   </dict>
 863 </dict>
 864 ```
 865 #### policies.json
 866 ```
 867 {
 868   "policies": {
 869     "Cookies": {
 870       "Allow": ["http://example.org/"],
 871       "AllowSession": ["http://example.edu/"],
 872       "Block": ["http://example.edu/"],
 873       "Default": true | false,
 874       "AcceptThirdParty": "always" | "never" | "from-visited",
 875       "ExpireAtSessionEnd": true | false,
 876       "RejectTracker": true | false,
 877       "Locked": true | false
 878     }
 879   }
 880 }
 881 ```
 882 ### DisableSetDesktopBackground
 883 Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
 884
 885 **Compatibility:** Firefox 60, Firefox ESR 60\
 886 **CCK2 Equivalent:** `removeSetDesktopBackground`\
 887 **Preferences Affected:** N/A
 888
 889 #### Windows (GPO)
 890 ```
 891 Software\Policies\Mozilla\Firefox\DisableSetDesktopBackground = 0x1 | 0x0
 892 ```
 893 #### Windows (Intune)
 894 OMA-URI:
 895 ```
 896 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSetDesktopBackground
 897 ```
 898 Value (string):
 899 ```
 900 <enabled/> or <disabled/>
 901 ```
 902 #### macOS
 903 ```
 904 <dict>
 905   <key>DisableSetDesktopBackground</key>
 906   <true/> | <false/>
 907 </dict>
 908 ```
 909 #### policies.json
 910 ```
 911 {
 912   "policies": {
 913     "DisableSetDesktopBackground": true | false
 914   }
 915 }
 916 ```
 917 ### DisableMasterPasswordCreation
 918 Remove the master password functionality.
 919
 920 If this value is true, it works the same as setting [`PrimaryPassword`](#primarypassword) to false and removes the primary password functionality.
 921
 922 If both DisableMasterPasswordCreation and PrimaryPassword are used, DisableMasterPasswordCreation takes precedent.
 923
 924 **Compatibility:** Firefox 60, Firefox ESR 60\
 925 **CCK2 Equivalent:** `noMasterPassword`\
 926 **Preferences Affected:** N/A
 927
 928 #### Windows (GPO)
 929 ```
 930 Software\Policies\Mozilla\Firefox\DisableMasterPasswordCreation = 0x1 | 0x0
 931 ```
 932 #### Windows (Intune)
 933 OMA-URI:
 934 ```
 935 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableMasterPasswordCreation
 936 ```
 937 Value (string):
 938 ```
 939 <enabled/> or <disabled/>
 940 ```
 941 #### macOS
 942 ```
 943 <dict>
 944   <key>DisableMasterPasswordCreation</key>
 945   <true/> | <false/>
 946 </dict>
 947 ```
 948 #### policies.json
 949 ```
 950 {
 951   "policies": {
 952     "DisableMasterPasswordCreation": true | false
 953   }
 954 }
 955 ```
 956 ### DisableAppUpdate
 957 Turn off application updates within Firefox.
 958
 959 **Compatibility:** Firefox 60, Firefox ESR 60\
 960 **CCK2 Equivalent:** `disableFirefoxUpdates`\
 961 **Preferences Affected:** N/A
 962
 963 #### Windows (GPO)
 964 ```
 965 Software\Policies\Mozilla\Firefox\DisableAppUpdate = 0x1 | 0x0
 966 ```
 967 #### Windows (Intune)
 968 OMA-URI:
 969 ```
 970 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableAppUpdate
 971 ```
 972 Value (string):
 973 ```
 974 <enabled/> or <disabled/>
 975 ```
 976 #### macOS
 977 ```
 978 <dict>
 979   <key>DisableAppUpdate</key>
 980   <true/> | <false/>
 981 </dict>
 982 ```
 983 #### policies.json
 984 ```
 985 {
 986   "policies": {
 987     "DisableAppUpdate": true | false
 988   }
 989 }
 990 ```
 991 ### DisableBuiltinPDFViewer
 992 Disable the built in PDF viewer. PDF files are downloaded and sent externally.
 993
 994 **Compatibility:** Firefox 60, Firefox ESR 60\
 995 **CCK2 Equivalent:** `disablePDFjs`\
 996 **Preferences Affected:** `pdfjs.disabled`
 997
 998 #### Windows (GPO)
 999 ```
1000 Software\Policies\Mozilla\Firefox\DisableBuiltinPDFViewer = 0x1 | 0x0
1001 ```
1002 #### Windows (Intune)
1003 OMA-URI:
1004 ```
1005 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableBuiltinPDFViewer
1006 ```
1007 Value (string):
1008 ```
1009 <enabled/> or <disabled/>
1010 ```
1011 #### macOS
1012 ```
1013 <dict>
1014   <key>DisableBuiltinPDFViewer</key>
1015   <true/> | <false/>
1016 </dict>
1017 ```
1018 #### policies.json
1019 ```
1020 {
1021   "policies": {
1022     "DisableBuiltinPDFViewer": true | false
1023   }
1024 }
1025 ```
1026 ### DisabledCiphers
1027 Disable specific cryptographic ciphers.
1028
1029 **Preferences Affected:** `security.ssl3.dhe_rsa_aes_128_sha`, `security.ssl3.dhe_rsa_aes_256_sha`, `security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256`, `security.ssl3.ecdhe_rsa_aes_128_gcm_sha256`, `security.ssl3.ecdhe_rsa_aes_128_sha`, `security.ssl3.ecdhe_rsa_aes_256_sha`, `security.ssl3.rsa_aes_128_gcm_sha256`, `security.ssl3.rsa_aes_128_sha`, `security.ssl3.rsa_aes_256_gcm_sha384`, `security.ssl3.rsa_aes_256_sha`, `security.ssl3.rsa_des_ede3_sha`
1030
1031 ---
1032 **Note:**
1033
1034 This policy was updated in Firefox 78 to allow enabling ciphers as well. Setting the value to true disables the cipher, setting the value to false enables the cipher. Previously setting the value to true or false disabled the cipher.
1035
1036 ---
1037 **Compatibility:** Firefox 76, Firefox ESR 68.8 (TLS_RSA_WITH_AES_128_GCM_SHA256 and TLS_RSA_WITH_AES_256_GCM_SHA384 were added in Firefox 78)\
1038 **CCK2 Equivalent:** N/A\
1039 **Preferences Affected:** N/A
1040
1041 #### Windows (GPO)
1042 ```
1043 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
1044 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
1045 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
1046 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
1047 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x1 | 0x0
1048 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x1 | 0x0
1049 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
1050 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
1051 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0x1 | 0x0
1052 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x1 | 0x0
1053 Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x1 | 0x0
1054 ```
1055 #### Windows (Intune)
1056 OMA-URI:
1057 ```
1058 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
1059 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
1060 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
1061 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
1062 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
1063 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
1064 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_RSA_WITH_AES_128_CBC_SHA
1065 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_RSA_WITH_AES_256_CBC_SHA
1066 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_RSA_WITH_3DES_EDE_CBC_SHA
1067 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_RSA_WITH_AES_128_GCM_SHA256
1068 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_TLS_RSA_WITH_AES_256_GCM_SHA384
1069 ```
1070 Value (string):
1071 ```
1072 <enabled/> or <disabled/>
1073 ```
1074 #### macOS
1075 ```
1076 <dict>
1077   <key>DisabledCiphers</key>
1078     <dict>
1079       <key>TLS_DHE_RSA_WITH_AES_128_CBC_SHA</key>
1080       <true/> | <false/>
1081       <key>TLS_DHE_RSA_WITH_AES_256_CBC_SHA</key>
1082       <true/> | <false/>
1083       <key>TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA</key>
1084       <true/> | <false/>
1085       <key>TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA</key>
1086       <true/> | <false/>
1087       <key>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256</key>
1088       <true/> | <false/>
1089       <key>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256</key>
1090       <true/> | <false/>
1091       <key>TLS_RSA_WITH_AES_128_CBC_SHA</key>
1092       <true/> | <false/>
1093       <key>TLS_RSA_WITH_AES_256_CBC_SHA</key>
1094       <true/> | <false/>
1095       <key>TLS_RSA_WITH_3DES_EDE_CBC_SHA</key>
1096       <true/> | <false/>
1097       <key>TLS_RSA_WITH_AES_128_GCM_SHA256</key>
1098       <true/> | <false/>
1099       <key>TLS_RSA_WITH_AES_256_GCM_SHA384</key>
1100       <true/> | <false/>
1101     </dict>
1102 </dict>
1103 ```
1104 #### policies.json
1105 ```
1106 {
1107   "policies": {
1108     "DisabledCiphers": {
1109       "TLS_DHE_RSA_WITH_AES_128_CBC_SHA": true | false,
1110       "TLS_DHE_RSA_WITH_AES_256_CBC_SHA": true | false,
1111       "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA": true | false,
1112       "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA": true | false,
1113       "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256": true | false,
1114       "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": true | false,
1115       "TLS_RSA_WITH_AES_128_CBC_SHA": true | false,
1116       "TLS_RSA_WITH_AES_256_CBC_SHA": true | false,
1117       "TLS_RSA_WITH_3DES_EDE_CBC_SHA": true | false,
1118       "TLS_RSA_WITH_AES_128_GCM_SHA256": true | false,
1119       "TLS_RSA_WITH_AES_256_GCM_SHA384": true | false
1120     }
1121   }
1122 }
1123 ```
1124 ### DisableDefaultBrowserAgent
1125 Prevent the default browser agent from taking any actions. Only applicable to Windows; other platforms don’t have the agent.
1126
1127 The browser agent is a Windows-only scheduled task which runs in the background to collect and submit data about the browser that the user has set as their OS default. More information is available [here](https://firefox-source-docs.mozilla.org/toolkit/mozapps/defaultagent/default-browser-agent/index.html).
1128
1129 **Compatibility:** Firefox 75, Firefox ESR 68.7 (Windows only)\
1130 **CCK2 Equivalent:** N/A\
1131 **Preferences Affected:** N/A
1132
1133 #### Windows (GPO)
1134 ```
1135 Software\Policies\Mozilla\Firefox\DisableDefaultBrowserAgent = 0x1 | 0x0
1136 ```
1137 #### Windows (Intune)
1138 OMA-URI:
1139 ```
1140 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableDefaultBrowserAgent
1141 ```
1142 Value (string):
1143 ```
1144 <enabled/> or <disabled/>
1145 ```
1146 #### policies.json
1147 ```
1148 {
1149   "policies": {
1150     "DisableDefaultBrowserAgent": true | false
1151   }
1152 }
1153 ```
1154 ### DisableDeveloperTools
1155 Remove access to all developer tools.
1156
1157 **Compatibility:** Firefox 60, Firefox ESR 60\
1158 **CCK2 Equivalent:** `removeDeveloperTools`\
1159 **Preferences Affected:** `devtools.policy.disabled`
1160
1161 #### Windows (GPO)
1162 ```
1163 Software\Policies\Mozilla\Firefox\DisableDeveloperTools = 0x1 | 0x0`
1164 ```
1165 #### Windows (Intune)
1166 OMA-URI:
1167 ```
1168 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableDeveloperTools
1169 ```
1170 Value (string):
1171 ```
1172 <enabled/> or <disabled/>
1173 ```
1174 #### macOS
1175 ```
1176 <dict>
1177   <key>DisableDeveloperTools</key>
1178   <true/> | <false/>
1179 </dict>
1180 ```
1181 #### policies.json
1182 ```
1183 {
1184   "policies": {
1185     "DisableDeveloperTools": true | false
1186   }
1187 }
1188 ```
1189 ### DisableFeedbackCommands
1190 Disable the menus for reporting sites (Submit Feedback, Report Deceptive Site).
1191
1192 **Compatibility:** Firefox 60, Firefox ESR 60\
1193 **CCK2 Equivalent:** N/A\
1194 **Preferences Affected:** N/A
1195
1196 #### Windows (GPO)
1197 ```
1198 Software\Policies\Mozilla\Firefox\DisableFeedbackCommands = 0x1 | 0x0
1199 ```
1200 #### Windows (Intune)
1201 OMA-URI:
1202 ```
1203 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFeedbackCommands
1204 ```
1205 Value (string):
1206 ```
1207 <enabled/> or <disabled/>
1208 ```
1209 #### macOS
1210 ```
1211 <dict>
1212   <key>DisableFeedbackCommands</key>
1213   <true/> | <false/>
1214 </dict>
1215 ```
1216 #### policies.json
1217 ```
1218 {
1219   "policies": {
1220     "DisableFeedbackCommands": true | false
1221   }
1222 }
1223 ```
1224 ### DisableFirefoxScreenshots
1225 Remove access to Firefox Screenshots.
1226
1227 **Compatibility:** Firefox 60, Firefox ESR 60\
1228 **CCK2 Equivalent:** N/A\
1229 **Preferences Affected:** `extensions.screenshots.disabled`
1230
1231 #### Windows (GPO)
1232 ```
1233 Software\Policies\Mozilla\Firefox\DisableFirefoxScreenshots = 0x1 | 0x0
1234 ```
1235 #### Windows (Intune)
1236 OMA-URI:
1237 ```
1238 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxScreenshots
1239 ```
1240 Value (string):
1241 ```
1242 <enabled/> or <disabled/>
1243 ```
1244 #### macOS
1245 ```
1246 <dict>
1247   <key>DisableFirefoxScreenshots</key>
1248   <true/> | <false/>
1249 </dict>
1250 ```
1251 #### policies.json
1252 ```
1253 {
1254   "policies": {
1255     "DisableFirefoxScreenshots": true | false
1256   }
1257 }
1258 ```
1259 ### DisableFirefoxAccounts
1260 Disable Firefox Accounts integration (Sync).
1261
1262 **Compatibility:** Firefox 60, Firefox ESR 60\
1263 **CCK2 Equivalent:** `disableSync`\
1264 **Preferences Affected:** `identity.fxaccounts.enabled`
1265
1266 #### Windows (GPO)
1267 ```
1268 Software\Policies\Mozilla\Firefox\DisableFirefoxAccounts = 0x1 | 0x0
1269 ```
1270 #### Windows (Intune)
1271 OMA-URI:
1272 ```
1273 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxAccounts
1274 ```
1275 Value (string):
1276 ```
1277 <enabled/> or <disabled/>
1278 ```
1279 #### macOS
1280 ```
1281 <dict>
1282   <key>DisableFirefoxAccounts</key>
1283   <true/> | <false/>
1284 </dict>
1285 ```
1286 #### policies.json
1287 ```
1288 {
1289   "policies": {
1290     "DisableFirefoxAccounts": true | false
1291   }
1292 }
1293 ```
1294 ### DisableFirefoxStudies
1295 Disable Firefox studies (Shield).
1296
1297 **Compatibility:** Firefox 60, Firefox ESR 60\
1298 **CCK2 Equivalent:** N/A\
1299 **Preferences Affected:** N/A
1300
1301 #### Windows (GPO)
1302 ```
1303 Software\Policies\Mozilla\Firefox\DisableFirefoxStudies = 0x1 | 0x0
1304 ```
1305 #### Windows (Intune)
1306 OMA-URI:
1307 ```
1308 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxStudies
1309 ```
1310 Value (string):
1311 ```
1312 <enabled/> or <disabled/>
1313 ```
1314 #### macOS
1315 ```
1316 <dict>
1317   <key>DisableFirefoxStudies</key>
1318   <true/> | <false/>
1319 </dict>
1320 ```
1321 #### policies.json
1322 ```
1323 {
1324   "policies": {
1325     "DisableFirefoxStudies": true | false
1326   }
1327 }
1328 ```
1329 ### DisableForgetButton
1330 Disable the "Forget" button.
1331
1332 **Compatibility:** Firefox 60, Firefox ESR 60\
1333 **CCK2 Equivalent:** `disableForget`\
1334 **Preferences Affected:** N/A
1335
1336 #### Windows (GPO)
1337 ```
1338 Software\Policies\Mozilla\Firefox\DisableForgetButton = 0x1 | 0x0
1339 ```
1340 #### Windows (Intune)
1341 OMA-URI:
1342 ```
1343 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableForgetButton
1344 ```
1345 Value (string):
1346 ```
1347 <enabled/> or <disabled/>
1348 ```
1349 #### macOS
1350 ```
1351 <dict>
1352   <key>DisableForgetButton</key>
1353   <true/> | <false/>
1354 </dict>
1355 ```
1356 #### policies.json
1357 ```
1358 {
1359   "policies": {
1360     "DisableForgetButton": true | false
1361   }
1362 }
1363 ```
1364 ### DisableFormHistory
1365 Turn off saving information on web forms and the search bar.
1366
1367 **Compatibility:** Firefox 60, Firefox ESR 60\
1368 **CCK2 Equivalent:** `disableFormFill`\
1369 **Preferences Affected:** ` browser.formfill.enable`
1370
1371 #### Windows (GPO)
1372 ```
1373 Software\Policies\Mozilla\Firefox\DisableFormHistory = 0x1 | 0x0
1374 ```
1375 #### Windows (Intune)
1376 OMA-URI:
1377 ```
1378 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFormHistory
1379 ```
1380 Value (string):
1381 ```
1382 <enabled/> or <disabled/>
1383 ```
1384 #### macOS
1385 ```
1386 <dict>
1387   <key>DisableFormHistory</key>
1388   <true/> | <false/>
1389 </dict>
1390 ```
1391 #### policies.json
1392 ```
1393 {
1394   "policies": {
1395     "DisableFormHistory": true | false
1396   }
1397 }
1398 ```
1399 ### DisablePasswordReveal
1400 Do not allow passwords to be shown in saved logins
1401
1402 **Compatibility:** Firefox 71, Firefox ESR 68.3\
1403 **CCK2 Equivalent:** N/A
1404 **Preferences Affected:** N/A
1405
1406 #### Windows (GPO)
1407 ```
1408 Software\Policies\Mozilla\Firefox\DisablePasswordReveal = 0x1 | 0x0
1409 ```
1410 #### Windows (Intune)
1411 OMA-URI:
1412 ```
1413 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePasswordReveal
1414 ```
1415 Value (string):
1416 ```
1417 <enabled/> or <disabled/>
1418 ```
1419 #### macOS
1420 ```
1421 <dict>
1422   <key>DisablePasswordReveal</key>
1423   <true/> | <false/>
1424 </dict>
1425 ```
1426 #### policies.json
1427 ```
1428 {
1429   "policies": {
1430     "DisablePasswordReveal": true | false
1431   }
1432 }
1433 ```
1434 ### DisablePocket
1435 Remove Pocket in the Firefox UI. It does not remove it from the new tab page.
1436
1437 **Compatibility:** Firefox 60, Firefox ESR 60\
1438 **CCK2 Equivalent:** `disablePocket`\
1439 **Preferences Affected:** `extensions.pocket.enabled`
1440
1441 #### Windows (GPO)
1442 ```
1443 Software\Policies\Mozilla\Firefox\DisablePocket = 0x1 | 0x0
1444 ```
1445 #### Windows (Intune)
1446 OMA-URI:
1447 ```
1448 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePocket
1449 ```
1450 Value (string):
1451 ```
1452 <enabled/> or <disabled/>
1453 ```
1454 #### macOS
1455 ```
1456 <dict>
1457   <key>DisablePocket</key>
1458   <true/> | <false/>
1459 </dict>
1460 ```
1461 #### policies.json
1462 ```
1463 {
1464   "policies": {
1465     "DisablePocket": true | false
1466   }
1467 }
1468 ```
1469 ### DisablePrivateBrowsing
1470 Remove access to private browsing.
1471
1472 **Compatibility:** Firefox 60, Firefox ESR 60\
1473 **CCK2 Equivalent:** `disablePrivateBrowsing`\
1474 **Preferences Affected:** N/A
1475
1476 #### Windows (GPO)
1477 ```
1478 Software\Policies\Mozilla\Firefox\DisablePrivateBrowsing = 0x1 | 0x0
1479 ```
1480 #### Windows (Intune)
1481 OMA-URI:
1482 ```
1483 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePrivateBrowsing
1484 ```
1485 Value (string):
1486 ```
1487 <enabled/> or <disabled/>
1488 ```
1489 #### macOS
1490 ```
1491 <dict>
1492   <key>DisablePrivateBrowsing</key>
1493   <true/> | <false/>
1494 </dict>
1495 ```
1496 #### policies.json
1497 ```
1498 {
1499   "policies": {
1500     "DisablePrivateBrowsing": true | false
1501   }
1502 }
1503 ```
1504 ### DisableProfileImport
1505 Disables the "Import data from another browser" option in the bookmarks window.
1506
1507 **Compatibility:** Firefox 60, Firefox ESR 60\
1508 **CCK2 Equivalent:** N/A\
1509 **Preferences Affected:** N/A
1510
1511 #### Windows (GPO)
1512 ```
1513 Software\Policies\Mozilla\Firefox\DisableProfileImport = 0x1 | 0x0
1514 ```
1515 #### Windows (Intune)
1516 OMA-URI:
1517 ```
1518 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableProfileImport
1519 ```
1520 Value (string):
1521 ```
1522 <enabled/> or <disabled/>
1523 ```
1524 #### macOS
1525 ```
1526 <dict>
1527   <key>DisableProfileImport</key>
1528   <true/> | <false/>
1529 </dict>
1530 ```
1531 #### policies.json
1532 ```
1533 {
1534   "policies": {
1535     "DisableProfileImport": true | false
1536   }
1537 }
1538 ```
1539 ### DisableProfileRefresh
1540 Disable the Refresh Firefox button on about:support and support.mozilla.org, as well as the prompt that displays offering to refresh Firefox when you haven't used it in a while.
1541
1542 **Compatibility:** Firefox 60, Firefox ESR 60\
1543 **CCK2 Equivalent:** `disableResetFirefox`\
1544 **Preferences Affected:** `browser.disableResetPrompt`
1545
1546 #### Windows (GPO)
1547 ```
1548 Software\Policies\Mozilla\Firefox\DisableProfileRefresh = 0x1 | 0x0
1549 ```
1550 #### Windows (Intune)
1551 OMA-URI:
1552 ```
1553 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableProfileRefresh
1554 ```
1555 Value (string):
1556 ```
1557 <enabled/> or <disabled/>
1558 ```
1559 #### macOS
1560 ```
1561 <dict>
1562   <key>DisableProfileRefresh</key>
1563   <true/> | <false/>
1564 </dict>
1565 ```
1566 #### policies.json
1567 ```
1568 {
1569   "policies": {
1570     "DisableProfileRefresh": true | false
1571   }
1572 }
1573 ```
1574 ### DisableSafeMode
1575 Disable safe mode within the browser.
1576
1577 On Windows, this disables safe mode via the command line as well.
1578
1579 **Compatibility:** Firefox 60, Firefox ESR 60 (Windows, macOS)\
1580 **CCK2 Equivalent:** `disableSafeMode`\
1581 **Preferences Affected:** N/A
1582
1583 #### Windows (GPO)
1584 ```
1585 Software\Policies\Mozilla\Firefox\DisableSafeMode = 0x1 | 0x0
1586 ```
1587 #### Windows (Intune)
1588 OMA-URI:
1589 ```
1590 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSafeMode
1591 ```
1592 Value (string):
1593 ```
1594 <enabled/> or <disabled/>
1595 ```
1596 #### macOS
1597 ```
1598 <dict>
1599   <key>DisableSafeMode</key>
1600   <true/> | <false/>
1601 </dict>
1602 ```
1603 #### policies.json
1604 ```
1605 {
1606   "policies": {
1607     "DisableSafeMode": true | false
1608   }
1609 }
1610 ```
1611 ### DisableSecurityBypass
1612 Prevent the user from bypassing security in certain cases.
1613
1614 `InvalidCertificate` prevents adding an exception when an invalid certificate is shown.
1615
1616 `SafeBrowsing` prevents selecting "ignore the risk" and visiting a harmful site anyway.
1617
1618 **Compatibility:** Firefox 60, Firefox ESR 60\
1619 **CCK2 Equivalent:** N/A\
1620 **Preferences Affected:** `security.certerror.hideAddException`,`browser.safebrowsing.allowOverride`
1621
1622 #### Windows (GPO)
1623 ```
1624 Software\Policies\Mozilla\Firefox\DisableSecurityBypass\InvalidCertificate = 0x1 | 0x0
1625 Software\Policies\Mozilla\Firefox\DisableSecurityBypass\SafeBrowsing = 0x1 | 0x0
1626 ```
1627 #### Windows (Intune)
1628 OMA-URI:
1629 ```
1630 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/P_DisableSecurityBypass_InvalidCertificate
1631 ```
1632 Value (string):
1633 ```
1634 <enabled/> or <disabled/>
1635 ```
1636 OMA-URI:
1637 ```
1638 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/P_DisableSecurityBypass_SafeBrowsing
1639 ```
1640 Value (string):
1641 ```
1642 <enabled/> or <disabled/>
1643 ```
1644
1645 #### macOS
1646 ```
1647 <dict>
1648   <key>DisableSecurityBypass</key>
1649   <dict>
1650     <key>InvalidCertificate</key>
1651     <true/> | <false/>
1652     <key>SafeBrowsing</key>
1653     <true/> | <false/>
1654   </dict>
1655 </dict>
1656 ```
1657 #### policies.json
1658 ```
1659 {
1660   "policies": {
1661     "DisableSecurityBypass": {
1662       "InvalidCertificate": true | false,
1663       "SafeBrowsing": true | false
1664     }
1665   }
1666 }
1667 ```
1668 ### DisableSystemAddonUpdate
1669 Prevent system add-ons from being installed or update.
1670
1671 **Compatibility:** Firefox 60, Firefox ESR 60\
1672 **CCK2 Equivalent:** N/A\
1673 **Preferences Affected:** N/A
1674
1675 #### Windows (GPO)
1676 ```
1677 Software\Policies\Mozilla\Firefox\DisableSystemAddonUpdate = 0x1 | 0x0
1678 ```
1679 #### Windows (Intune)
1680 OMA-URI:
1681 ```
1682 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSystemAddonUpdate
1683 ```
1684 Value (string):
1685 ```
1686 <enabled/> or <disabled/>
1687 ```
1688 #### macOS
1689 ```
1690 <dict>
1691   <key>DisableSystemAddonUpdate</key>
1692   <true/> | <false/>
1693 </dict>
1694 ```
1695 #### policies.json
1696 ```
1697 {
1698   "policies": {
1699     "DisableSystemAddonUpdate": true | false
1700   }
1701 }
1702 ```
1703 ### DisableTelemetry
1704 Prevent the upload of telemetry data.
1705
1706 As of Firefox 83 and Firefox ESR 78.5, local storage of telemetry data is disabled as well.
1707
1708 Mozilla recommends that you do not disable telemetry. Information collected through telemetry helps us build a better product for businesses like yours.
1709
1710 **Compatibility:** Firefox 60, Firefox ESR 60\
1711 **CCK2 Equivalent:** `disableTelemetry`\
1712 **Preferences Affected:** `datareporting.healthreport.uploadEnabled,datareporting.policy.dataSubmissionEnabled,toolkit.telemetry.archive.enabled`
1713
1714 #### Windows (GPO)
1715 ```
1716 Software\Policies\Mozilla\Firefox\DisableTelemetry = 0x1 | 0x0
1717 ```
1718 #### Windows (Intune)
1719 OMA-URI:
1720 ```
1721 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableTelemetry
1722 ```
1723 Value (string):
1724 ```
1725 <enabled/> or <disabled/>
1726 ```
1727 #### macOS
1728 ```
1729 <dict>
1730   <key>DisableTelemetry</key>
1731   <true/> | <false/>
1732 </dict>
1733 ```
1734 #### policies.json
1735 ```
1736 {
1737   "policies": {
1738     "DisableTelemetry": true | false
1739   }
1740 }
1741 ```
1742 ### DisplayBookmarksToolbar
1743 Set the initial state of the bookmarks toolbar. A user can still hide it and it will stay hidden.
1744
1745 **Compatibility:** Firefox 60, Firefox ESR 60\
1746 **CCK2 Equivalent:** `displayBookmarksToolbar`\
1747 **Preferences Affected:** N/A
1748
1749 #### Windows (GPO)
1750 ```
1751 Software\Policies\Mozilla\Firefox\DisplayBookmarksToolbar = 0x1 | 0x0
1752 ```
1753 #### Windows (Intune)
1754 OMA-URI:
1755 ```
1756 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisplayBookmarksToolbar
1757 ```
1758 Value (string):
1759 ```
1760 <enabled/> or <disabled/>
1761 ```
1762 #### macOS
1763 ```
1764 <dict>
1765   <key>DisplayBookmarksToolbar</key>
1766   <true/> | <false/>
1767 </dict>
1768 ```
1769 #### policies.json
1770 ```
1771 {
1772   "policies": {
1773     "DisplayBookmarksToolbar": true | false
1774   }
1775 }
1776 ```
1777 ### DisplayMenuBar (Deprecated)
1778 Set the initial state of the menubar. A user can still hide it and it will stay hidden.
1779
1780 **Compatibility:** Firefox 60, Firefox ESR 60 (Windows, some Linux)\
1781 **CCK2 Equivalent:** `displayMenuBar`\
1782 **Preferences Affected:** N/A
1783
1784 #### Windows (GPO)
1785 ```
1786 Software\Policies\Mozilla\Firefox\DisplayMenuBar = 0x1 | 0x0
1787 ```
1788 #### macOS
1789 ```
1790 <dict>
1791   <key>DisplayMenuBar</key>
1792   <true/> | <false/>
1793 </dict>
1794 ```
1795 #### policies.json
1796 ```
1797 {
1798   "policies": {
1799     "DisplayMenuBar": true | false
1800   }
1801 }
1802 ```
1803 ### DisplayMenuBar
1804 Set the state of the menubar.
1805
1806 `always` means the menubar is shown and cannot be hidden.
1807
1808 `never` means the menubar is hidden and cannot be shown.
1809
1810 `default-on` means the menubar is on by default but can be hidden.
1811
1812 `default-off` means the menubar is off by default but can be shown.
1813
1814 **Compatibility:** Firefox 73, Firefox ESR 68.5 (Windows, some Linux)\
1815 **CCK2 Equivalent:** `displayMenuBar`\
1816 **Preferences Affected:** N/A
1817
1818 #### Windows (GPO)
1819 ```
1820 Software\Policies\Mozilla\Firefox\DisplayMenuBar = "always", "never", "default-on", "default-off"
1821 ```
1822 #### Windows (Intune)
1823 OMA-URI:
1824 ```
1825 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisplayMenuBar_Enum
1826 ```
1827 Value (string):
1828 ```
1829 <enabled/>
1830 <data id="DisplayMenuBar" value="always | never | default-on | default-off"/>
1831 ```
1832 #### macOS
1833 ```
1834 <dict>
1835   <key>DisplayMenuBar</key>
1836   <string>always | never | default-on | default-off</string>
1837 </dict>
1838 ```
1839 #### policies.json
1840 ```
1841 {
1842   "policies": {
1843     "DisplayMenuBar": "always", "never", "default-on", "default-off"
1844   }
1845 }
1846 ```
1847 ### DNSOverHTTPS
1848 Configure DNS over HTTPS.
1849
1850 `Enabled` determines whether DNS over HTTPS is enabled
1851
1852 `ProviderURL` is a URL to another provider.
1853
1854 `Locked` prevents the user from changing DNS over HTTPS preferences.
1855
1856 `ExcludedDomains` excludes domains from DNS over HTTPS.
1857
1858 **Compatibility:** Firefox 63, Firefox ESR 68 (ExcludedDomains added in 75/68.7)\
1859 **CCK2 Equivalent:** N/A\
1860 **Preferences Affected:** `network.trr.mode`,`network.trr.uri`
1861
1862 #### Windows (GPO)
1863 ```
1864 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 | 0x0
1865 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "URL_TO_ALTERNATE_PROVIDER"
1866 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1 | 0x0
1867 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ExcludedDomains\1 = "example.com"
1868 ```
1869 #### Windows (Intune)
1870 OMA-URI:
1871 ```
1872 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_Enabled
1873 ```
1874 Value (string):
1875 ```
1876 <enabled/> or <disabled/>
1877 ```
1878 OMA-URI:
1879 ```
1880 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_ProviderURL
1881 ```
1882 Value (string):
1883 ```
1884 <enabled/>
1885 <data id="String" value="URL_TO_ALTERNATE_PROVIDER"/>
1886 ```
1887 OMA-URI:
1888 ```
1889 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_Locked
1890 ```
1891 Value (string):
1892 ```
1893 <enabled/> or <disabled/>
1894 ```
1895 OMA-URI:
1896 ```
1897 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_ExcludedDomains
1898 ```
1899 Value (string):
1900 ```
1901 <enabled/>
1902 <data id="List" value="1&#xF000;example.com"/>
1903 ```
1904 #### macOS
1905 ```
1906 <dict>
1907   <key>DNSOverHTTPS</key>
1908   <dict>
1909     <key>Enabled</key>
1910     <true/> | <false/>
1911     <key>ProviderURL</key>
1912     <string>URL_TO_ALTERNATE_PROVIDER</string>
1913     <key>Locked</key>
1914     <true/> | <false/>
1915     <key>ExcludedDomains</key>
1916     <array>
1917       <string>example.com</string>
1918     </array>
1919   </dict>
1920 </dict>
1921 ```
1922 #### policies.json
1923 ```
1924 {
1925   "policies": {
1926     "DNSOverHTTPS": {
1927       "Enabled":  true | false,
1928       "ProviderURL": "URL_TO_ALTERNATE_PROVIDER",
1929       "Locked": true | false,
1930       "ExcludedDomains": ["example.com"]
1931     }
1932   }
1933 }
1934 ```
1935 ### DontCheckDefaultBrowser
1936 Don't check if Firefox is the default browser at startup.
1937
1938 **Compatibility:** Firefox 60, Firefox ESR 60\
1939 **CCK2 Equivalent:** `dontCheckDefaultBrowser`\
1940 **Preferences Affected:** `browser.shell.checkDefaultBrowser`
1941
1942 #### Windows (GPO)
1943 ```
1944 Software\Policies\Mozilla\Firefox\DontCheckDefaultBrowser = 0x1 | 0x0
1945 ```
1946 #### Windows (Intune)
1947 OMA-URI:
1948 ```
1949 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DontCheckDefaultBrowser
1950 ```
1951 Value (string):
1952 ```
1953 <enabled/> or <disabled/>
1954 ```
1955 #### macOS
1956 ```
1957 <dict>
1958   <key>DontCheckDefaultBrowser</key>
1959   <true/> | <false/>
1960 </dict>
1961 ```
1962 #### policies.json
1963 ```
1964 {
1965   "policies": {
1966     "DontCheckDefaultBrowser": true | false
1967   }
1968 }
1969 ```
1970 ### DefaultDownloadDirectory
1971 Set the default download directory.
1972
1973 You can use ${home} for the native home directory.
1974
1975 **Compatibility:** Firefox 68, Firefox ESR 68\
1976 **CCK2 Equivalent:** N/A\
1977 **Preferences Affected:** `browser.download.dir`,`browser.download.folderList`
1978
1979 #### Windows (GPO)
1980 ```
1981 Software\Policies\Mozilla\Firefox\DefaultDownloadDirectory = "${home}\Downloads"
1982 ```
1983 #### Windows (Intune)
1984 OMA-URI:
1985 ```
1986 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DefaultDownloadDirectory
1987 ```
1988 Value (string):
1989 ```
1990 <enabled/>
1991 <data id="Preferences_String" value="${home}\Downloads"/>
1992 ```
1993 #### macOS
1994 ```
1995 <dict>
1996   <key>DefaultDownloadDirectory</key>
1997   <string>${home}/Downloads</string>
1998 </dict>
1999 ```
2000 #### policies.json (macOS and Linux)
2001 ```
2002 {
2003   "policies": {
2004     "DefaultDownloadDirectory": "${home}/Downloads"
2005 }
2006 ```
2007 #### policies.json (Windows)
2008 ```
2009 {
2010   "policies": {
2011     "DefaultDownloadDirectory": "${home}\\Downloads"
2012 }
2013 ```
2014 ### DownloadDirectory
2015 Set and lock the download directory.
2016
2017 You can use ${home} for the native home directory.
2018
2019 **Compatibility:** Firefox 68, Firefox ESR 68\
2020 **CCK2 Equivalent:** N/A\
2021 **Preferences Affected:** `browser.download.dir`,`browser.download.folderList`,`browser.download.useDownloadDir`
2022
2023 #### Windows (GPO)
2024 ```
2025 Software\Policies\Mozilla\Firefox\DownloadDirectory = "${home}\Downloads"
2026 ```
2027 #### Windows (Intune)
2028 OMA-URI:
2029 ```
2030 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DownloadDirectory
2031 ```
2032 Value (string):
2033 ```
2034 <enabled/>
2035 <data id="Preferences_String" value="${home}\Downloads"/>
2036 ```
2037 #### macOS
2038 ```
2039 <dict>
2040   <key>DownloadDirectory</key>
2041   <string>${home}/Downloads</string>
2042 </dict>
2043 ```
2044 #### policies.json (macOS and Linux)
2045 ```
2046 {
2047   "policies": {
2048     "DownloadDirectory": "${home}/Downloads"
2049 }
2050 ```
2051 #### policies.json (Windows)
2052 ```
2053 {
2054   "policies": {
2055     "DownloadDirectory": "${home}\\Downloads"
2056 }
2057 ```
2058 ### EnableTrackingProtection
2059 Configure tracking protection.
2060
2061 If this policy is not configured, tracking protection is not enabled by default in the browser, but it is enabled by default in private browsing and the user can change it.
2062
2063 If `Value` is set to false, tracking protection is disabled and locked in both the regular browser and private browsing.
2064
2065 If `Value` is set to true, tracking protection is enabled by default in both the regular browser and private browsing and the `Locked` value determines whether or not a user can change it.
2066
2067 If `Cryptomining` is set to true, cryptomining scripts on websites are blocked.
2068
2069 If `Fingerprinting` is set to true, fingerprinting scripts on websites are blocked.
2070
2071 `Exceptions` are origins for which tracking protection is not enabled.
2072
2073 **Compatibility:** Firefox 60, Firefox ESR 60 (Cryptomining and Fingerprinting added in 70/68.2, Exceptions added in 73/68.5)\
2074 **CCK2 Equivalent:** N/A\
2075 **Preferences Affected:** `privacy.trackingprotection.enabled`,`privacy.trackingprotection.pbmode.enabled`,`privacy.trackingprotection.cryptomining.enabled`,`privacy.trackingprotection.fingerprinting.enabled`
2076
2077 #### Windows (GPO)
2078 ```
2079 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Value = 0x1 | 0x0
2080 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Locked = 0x1 | 0x0
2081 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Cryptomining = 0x1 | 0x0
2082 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Fingerprinting = 0x1 | 0x0
2083 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Exceptions\1 = "https://example.com"
2084 ```
2085 #### Windows (Intune)
2086 OMA-URI:
2087 ```
2088 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/A_TrackingProtection_Value
2089 ```
2090 Value (string):
2091 ```
2092 <enabled/> or <disabled/>
2093 ```
2094 OMA-URI:
2095 ```
2096 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/B_TrackingProtection_Cryptomining
2097 ```
2098 Value (string):
2099 ```
2100 <enabled/> or <disabled/>
2101 ```
2102 OMA-URI:
2103 ```
2104 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/C_TrackingProtection_Fingerprinting
2105 ```
2106 Value (string):
2107 ```
2108 <enabled/> or <disabled/>
2109 ```
2110 OMA-URI:
2111 ```
2112 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/D_TrackingProtection_Exceptions
2113 ```
2114 Value (string):
2115 ```
2116 <data id="TrackingProtection_Exceptions" value="1&#xF000;https://example.com"/>
2117 ```
2118 OMA-URI:
2119 ```
2120 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/E_TrackingProtection_Locked
2121 ```
2122 Value (string):
2123 ```
2124 <enabled/> or <disabled/>
2125 ```
2126 #### macOS
2127 ```
2128 <dict>
2129   <key>EnableTrackingProtection</key>
2130   <dict>
2131     <key>Value</key>
2132     <true/> | <false/>
2133     <key>Locked</key>
2134     <true/> | <false/>
2135     <key>Cryptomining</key>
2136     <true/> | <false/>
2137     <key>Fingerprinting</key>
2138     <true/> | <false/>
2139     <key>Exceptions</key>
2140     <array>
2141       <string>https://example.com</string>
2142     </array>
2143   </dict>
2144 </dict>
2145 ```
2146 #### policies.json
2147 ```
2148 {
2149   "policies": {
2150     "EnableTrackingProtection": {
2151       "Value": true | false,
2152       "Locked": true | false,
2153       "Cryptomining": true | false,
2154       "Fingerprinting": true | false,
2155       "Exceptions": ["https://example.com"]
2156     }
2157   }
2158 }
2159 ```
2160 ### EncryptedMediaExtensions
2161 Enable or disable Encrypted Media Extensions and optionally lock it.
2162
2163 If `Enabled` is set to false, encrypted media extensions (like Widevine) are not downloaded by Firefox unless the user consents to installing them.
2164
2165 If `Locked` is set to true and `Enabled` is set to false, Firefox will not download encrypted media extensions (like Widevine) or ask the user to install them.
2166
2167 **Compatibility:** Firefox 77, Firefox ESR 68.9\
2168 **CCK2 Equivalent:** N/A\
2169 **Preferences Affected:** `media.eme.enabled`
2170
2171 #### Windows (GPO)
2172 ```
2173 Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Enabled = 0x1 | 0x0
2174 Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Locked = 0x1 | 0x0
2175 ```
2176 #### Windows (Intune)
2177 OMA-URI:
2178 ```
2179 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Enabled
2180 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Locked
2181 ```
2182 Value (string):
2183 ```
2184 <enabled/>or <disabled/>
2185 ```
2186 #### macOS
2187 ```
2188 <dict>
2189   <key>EncryptedMediaExtensions</key>
2190   <dict>
2191     <key>Enabled</key>
2192     <true/> | <false/>
2193     <key>Locked</key>
2194     <true/> | <false/>
2195   </dict>
2196 </dict>
2197 ```
2198 #### policies.json
2199 ```
2200 {
2201   "policies": {
2202     "EncryptedMediaExtensions": {
2203       "Enabled": true | false,
2204       "Locked": true | false
2205     }
2206   }
2207 }
2208 ```
2209 ### EnterprisePoliciesEnabled
2210 Enable policy support on macOS.
2211
2212 **Compatibility:** Firefox 63, Firefox ESR 60.3 (macOS only)\
2213 **CCK2 Equivalent:** N/A\
2214 **Preferences Affected:** N/A
2215
2216 #### macOS
2217 ```
2218 <dict>
2219   <key>EnterprisePoliciesEnabled</key>
2220   <true/>
2221 </dict>
2222 ```
2223 ### Extensions
2224 Control the installation, uninstallation and locking of extensions.
2225
2226 While this policy is not technically deprecated, it is recommended that you use the **[`ExtensionSettings`](#extensionsettings)** policy. It has the same functionality and adds more. It does not support native paths, though, so you'll have to use file:/// URLs.
2227
2228 `Install` is a list of URLs or native paths for extensions to be installed.
2229
2230 `Uninstall` is a list of extension IDs that should be uninstalled if found.
2231
2232 `Locked` is a list of extension IDs that the user cannot disable or uninstall.
2233
2234 **Compatibility:** Firefox 60, Firefox ESR 60\
2235 **CCK2 Equivalent:** `addons`\
2236 **Preferences Affected:** N/A
2237
2238 #### Windows (GPO)
2239 ```
2240 Software\Policies\Mozilla\Firefox\Extensions\Install\1 = "https://addons.mozilla.org/firefox/downloads/somefile.xpi"
2241 Software\Policies\Mozilla\Firefox\Extensions\Install\2 = "//path/to/xpi"
2242 Software\Policies\Mozilla\Firefox\Extensions\Uninstall\1 = "bad_addon_id@mozilla.org"
2243 Software\Policies\Mozilla\Firefox\Extensions\Locked\1 = "addon_id@mozilla.org"
2244 ```
2245 #### Windows (Intune)
2246 OMA-URI:
2247 ```
2248 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Install
2249 ```
2250 Value (string):
2251 ```
2252 <enabled/>
2253 <data id="Extensions" value="1&#xF000;https://addons.mozilla.org/firefox/downloads/somefile.xpi&#xF000;2&#xF000;//path/to/xpi"/>
2254 ```
2255 OMA-URI:
2256 ```
2257 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Uninstall
2258 ```
2259 Value (string):
2260 ```
2261 <enabled/>
2262 <data id="Extensions" value="1&#xF000;bad_addon_id@mozilla.org"/>
2263 ```
2264 OMA-URI:
2265 ```
2266 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Locked
2267 ```
2268 Value (string):
2269 ```
2270 <enabled/>
2271 <data id="Extensions" value="1&#xF000;addon_id@mozilla.org"/>
2272 ```
2273 #### macOS
2274 ```
2275 <dict>
2276   <key>Extensions</key>
2277   <dict>
2278     <key>Install</key>
2279     <array>
2280       <string>https://addons.mozilla.org/firefox/downloads/somefile.xpi</string>
2281       <string>//path/to/xpi</string>
2282     </array>
2283     <key>Uninstall</key>
2284     <array>
2285       <string>bad_addon_id@mozilla.org</string>
2286     </array>
2287     <key>Locked</key>
2288     <array>
2289       <string>addon_id@mozilla.org</string>
2290     </array>
2291   </dict>
2292 </dict>
2293 ```
2294 #### policies.json
2295 ```
2296 {
2297   "policies": {
2298     "Extensions": {
2299       "Install": ["https://addons.mozilla.org/firefox/downloads/somefile.xpi", "//path/to/xpi"],
2300       "Uninstall": ["bad_addon_id@mozilla.org"],
2301       "Locked":  ["addon_id@mozilla.org"]
2302     }
2303   }
2304 }
2305 ```
2306 ### ExtensionSettings
2307 Manage all aspects of extensions. This policy is based heavily on the [Chrome policy](https://dev.chromium.org/administrators/policy-list-3/extension-settings-full) of the same name.
2308
2309 This policy maps an extension ID to its configuration. With an extension ID, the configuration will be applied to the specified extension only. A default configuration can be set for the special ID "*", which will apply to all extensions that don't have a custom configuration set in this policy.
2310
2311 To obtain an extension ID, install the extension and go to about:support. You will see the ID in the Extensions section. I've also created an extension that makes it easy to find the ID of extensions on AMO. You can download it [here](https://github.com/mkaply/queryamoid/releases/tag/v0.1).
2312
2313 The configuration for each extension is another dictionary that can contain the fields documented below.
2314
2315 | Name | Description |
2316 | --- | --- |
2317 | `installation_mode` | Maps to a string indicating the installation mode for the extension. The valid strings are `allowed`,`blocked`,`force_installed`, and `normal_installed`.
2318 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`allowed` | Allows the extension to be installed by the user. This is the default behavior. There is no need for an install_url; it will automatically be allowed based on the ID.
2319 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`blocked`| Blocks installation of the extension and removes it from the device if already installed.
2320 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`force_installed`| The extension is automatically installed and can't be removed by the user. This option is not valid for the default configuration and requires an install_url.
2321 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`normal_installed`| The extension is automatically installed but can be disabled by the user. This option is not valid for the default configuration and requires an install_url.
2322 | `install_url`| Maps to a URL indicating where Firefox can download a force_installed or normal_installed extension.  If installing from the local file system, use a [```file:///``` URL](https://en.wikipedia.org/wiki/File_URI_scheme). If installing from the addons.mozilla.org, use the following URL (substituting SHORT_NAME from the URL on AMO), https://addons.mozilla.org/firefox/downloads/latest/SHORT_NAME/latest.xpi. Languages packs are available from https://releases.mozilla.org/pub/firefox/releases/VERSION/PLATFORM/xpi/LANGUAGE.xpi. If you need to update the extension, you can change the name of the extension and it will be automatically updated. Extensions installed from file URLs will additional be updated when their internal version changes.
2323 | `install_sources` | A list of sources from which installing extensions is allowed. **This is unnecessary if you are only allowing the installation of certain extensions by ID.** Each item in this list is an extension-style match pattern. Users will be able to easily install items from any URL that matches an item in this list. Both the location of the *.xpi file and the page where the download is started from (i.e.  the referrer) must be allowed by these patterns. This setting can be used only for the default configuration.
2324 | `allowed_types` | This setting whitelists the allowed types of extension/apps that can be installed in Firefox. The value is a list of strings, each of which should be one of the following: "extension", "theme", "dictionary", "locale" This setting can be used only for the default configuration.
2325 | `blocked_install_message` | This maps to a string specifying the error message to display to users if they're blocked from installing an extension. This setting allows you to append text to the generic error message displayed when the extension is blocked. This could be be used to direct users to your help desk, explain why a particular extension is blocked, or something else. This setting can be used only for the default configuration.
2326 | `restricted_domains` | An array of domains on which content scripts can't be run. This setting can be used only for the default configuration.
2327
2328 **Compatibility:** Firefox 69, Firefox ESR 68.1 (As of Firefox 85, Firefox ESR 78.7, installing a theme makes it the default.)\
2329 **CCK2 Equivalent:** N/A\
2330 **Preferences Affected:** N/A
2331
2332 #### Windows (GPO)
2333 Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) =
2334 ```
2335 {
2336   "*": {
2337     "blocked_install_message": "Custom error message.",
2338     "install_sources": ["about:addons","https://addons.mozilla.org/"],
2339     "installation_mode": "blocked",
2340     "allowed_types": ["extension"]
2341   },
2342   "uBlock0@raymondhill.net": {
2343     "installation_mode": "force_installed",
2344     "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2345   },
2346   "https-everywhere@eff.org": {
2347     "installation_mode": "allowed"
2348   }
2349 }
2350 ```
2351 #### Windows (Intune)
2352 OMA-URI:
2353 ```
2354 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/ExtensionSettings
2355 ```
2356 Value (string):
2357 ```
2358 <enabled/>
2359 <data id="ExtensionSettings" value='
2360 {
2361   "*": {
2362     "blocked_install_message": "Custom error message.",
2363     "install_sources": ["about:addons","https://addons.mozilla.org/"],
2364     "installation_mode": "blocked",
2365     "allowed_types": ["extension"]
2366   },
2367   "uBlock0@raymondhill.net": {
2368     "installation_mode": "force_installed",
2369     "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2370   },
2371     "https-everywhere@eff.org": {
2372     "installation_mode": "allowed"
2373   }
2374 }'/>
2375 ```
2376 #### macOS
2377 ```
2378 <dict>
2379   <key>ExtensionSettings</key>
2380   <dict>
2381     <key>*</key>
2382     <dict>
2383       <key>blocked_install_message</key>
2384       <string>Custom error message.</string>
2385       <key>install_sources</key>
2386       <array>
2387         <string>about:addons</string>
2388         <string>https://addons.mozilla.org/</string>
2389       </array>
2390       <key>installation_mode</key>
2391       <string>blocked</string>
2392       <key>allowed_types</key>
2393       <array>
2394         <string>extension</string>
2395       </array>
2396     </dict>
2397     <key>uBlock0@raymondhill.net</key>
2398     <dict>
2399       <key>installation_mode</key>
2400        <string>force_installed</string>
2401       <key>install_url</key>
2402       <string>https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi</string>
2403     </dict>
2404     <key>https-everywhere@eff.org</key>
2405     <dict>
2406       <key>installation_mode</key>
2407        <string>allowed</string>
2408     </dict>
2409   </dict>
2410 </dict>
2411 ```
2412 #### policies.json
2413 ```
2414 {
2415   "policies": {
2416     "ExtensionSettings": {
2417       "*": {
2418         "blocked_install_message": "Custom error message.",
2419         "install_sources": ["about:addons","https://addons.mozilla.org/"],
2420         "installation_mode": "blocked",
2421         "allowed_types": ["extension"]
2422       },
2423       "uBlock0@raymondhill.net": {
2424         "installation_mode": "force_installed",
2425         "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2426       },
2427       "https-everywhere@eff.org": {
2428         "installation_mode": "allowed"
2429       }
2430     }
2431   }
2432 }
2433 ```
2434 ### ExtensionUpdate
2435 Control extension updates.
2436
2437 **Compatibility:** Firefox 67, Firefox ESR 60.7\
2438 **CCK2 Equivalent:** N/A\
2439 **Preferences Affected:** `extensions.update.enabled`
2440
2441 #### Windows (GPO)
2442 ```
2443 Software\Policies\Mozilla\Firefox\ExtensionUpdate = 0x1 | 0x0
2444 ```
2445 #### Windows (Intune)
2446 OMA-URI:
2447 ```
2448 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/ExtensionUpdate
2449 ```
2450 Value (string):
2451 ```
2452 <enabled/> or <disabled/>
2453 ```
2454 #### macOS
2455 ```
2456 <dict>
2457   <key>ExtensionUpdate</key>
2458   <true/> | <false/>
2459 </dict>
2460 ```
2461 #### policies.json
2462 ```
2463 {
2464   "policies": {
2465     "ExtensionUpdate": true | false
2466   }
2467 }
2468 ```
2469 ### FlashPlugin
2470 Configure the default Flash plugin policy as well as origins for which Flash is allowed.
2471
2472 `Allow` is a list of origins where Flash are allowed.
2473
2474 `Block` is a list of origins where Flash is not allowed.
2475
2476 `Default` determines whether or not Flash is allowed by default.
2477
2478 `Locked` prevents the user from changing Flash preferences.
2479
2480 **Compatibility:** Firefox 60, Firefox ESR 60\
2481 **CCK2 Equivalent:** `permissions.plugin`\
2482 **Preferences Affected:** `plugin.state.flash`
2483
2484 #### Windows (GPO)
2485 ```
2486 Software\Policies\Mozilla\Firefox\FlashPlugin\Allow\1 = "https://example.org"
2487 Software\Policies\Mozilla\Firefox\FlashPlugin\Block\1 = "https://example.edu"
2488 Software\Policies\Mozilla\Firefox\FlashPlugin\Default = 0x1 | 0x0
2489 Software\Policies\Mozilla\Firefox\FlashPlugin\Locked = 0x1 | 0x0
2490 ```
2491 #### Windows (Intune)
2492 OMA-URI:
2493 ```
2494 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Flash/FlashPlugin_Allow
2495 ```
2496 Value (string):
2497 ```
2498 <enabled/>
2499 <data id="Permissions" value="1&#xF000;https://example.org&#xF000;2&#xF000;https://example.edu"/>
2500 ```
2501 OMA-URI:
2502 ```
2503 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Flash/FlashPlugin_Locked
2504 ```
2505 Value (string):
2506 ```
2507 <enabled/> or <disabled/>
2508 ```
2509 OMA-URI:
2510 ```
2511 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Flash/FlashPlugin_Default
2512 ```
2513 Value (string):
2514 ```
2515 <enabled/> or <disabled/>
2516 ```
2517 #### macOS
2518 ```
2519 <dict>
2520   <key>FlashPlugin</key>
2521   <dict>
2522     <key>Allow</key>
2523     <array>
2524       <string>http://example.org</string>
2525     </array>
2526     <key>Block</key>
2527     <array>
2528       <string>http://example.edu</string>
2529     </array>
2530     <key>Default</key>
2531     <true/> | <false/>
2532     <key>Locked</key>
2533     <true/> | <false/>
2534   </dict>
2535 </dict>
2536 ```
2537 #### policies.json
2538 ```
2539 {
2540   "policies": {
2541     "FlashPlugin": {
2542       "Allow": ["http://example.org/"],
2543       "Block": ["http://example.edu/"],
2544       "Default": true | false,
2545       "Locked": true | false
2546     }
2547   }
2548 }
2549 ```
2550
2551
2552
2553 ### Handlers
2554 Configure default application handlers. This policy is based on the internal format of `handlers.json`.
2555
2556 You can configure handlers based on a mime type (`mimeTypes`), a file's extension (`extensions`), or a protocol (`schemes`).
2557
2558 Within each handler type, you specify the given mimeType/extension/scheme as a key and use the following subkeys to describe how it is handled.
2559
2560 | Name | Description |
2561 | --- | --- |
2562 | `action`| Can be either `saveToDisk`, `useHelperApp`, `useSystemDefault`.
2563 | `ask` | If `true`, the user is asked if what they want to do with the file. If `false`, the action is taken without user intervention.
2564 | `handlers` | An array of handlers with the first one being the default. If you don't want to have a default handler, use an empty object for the first handler. Choose between path or uriTemplate.
2565 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`name` | The display name of the handler (might not be used).
2566 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`path`| The native path to the executable to be used.
2567 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`uriTemplate`| A url to a web based application handler. The URL must be https and contain a %s to be used for substitution.
2568
2569 **Compatibility:** Firefox 78, Firefox ESR 78\
2570 **CCK2 Equivalent:** N/A\
2571 **Preferences Affected:** N/A
2572
2573 #### Windows (GPO)
2574 Software\Policies\Mozilla\Firefox\Handlers (REG_MULTI_SZ) =
2575 ```
2576 {
2577   "mimeTypes": {
2578     "application/msword": {
2579       "action": "useSystemDefault",
2580       "ask": true | false
2581     }
2582   },
2583   "schemes": {
2584     "mailto": {
2585       "action": "useHelperApp",
2586       "ask": true | false,
2587       "handlers": [{
2588         "name": "Gmail",
2589         "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
2590       }]
2591     }
2592   },
2593   "extensions": {
2594     "pdf": {
2595       "action": "useHelperApp",
2596       "ask": true | false,
2597       "handlers": [{
2598         "name": "Adobe Acrobat",
2599         "path": "C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe"
2600       }]
2601     }
2602   }
2603 }
2604 ```
2605 #### Windows (Intune)
2606 OMA-URI:
2607 ```
2608 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Handlers
2609 ```
2610 Value (string):
2611 ```
2612 <enabled/>
2613 <data id="Handlers" value='
2614 {
2615   "mimeTypes": {
2616     "application/msword": {
2617       "action": "useSystemDefault",
2618       "ask": true | false
2619     }
2620   },
2621   "schemes": {
2622     "mailto": {
2623       "action": "useHelperApp",
2624       "ask": true | false,
2625       "handlers": [{
2626         "name": "Gmail",
2627         "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&amp;url=%s"
2628       }]
2629     }
2630   },
2631   "extensions": {
2632     "pdf": {
2633       "action": "useHelperApp",
2634       "ask": true | false,
2635       "handlers": [{
2636         "name": "Adobe Acrobat",
2637         "path": "C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe"
2638       }]
2639     }
2640   }
2641 }
2642 '/>
2643 ```
2644 #### macOS
2645 ```
2646 <dict>
2647   <key>Handlers</key>
2648   <dict>
2649     <key>mimeTypes</key>
2650     <dict>
2651       <key>application/msword</key>
2652       <dict>
2653         <key>action</key>
2654         <string>useSystemDefault</string>
2655         <key>ask</key>
2656         <true/> | <false/>
2657       </dict>
2658     </dict>
2659     <key>schemes</key>
2660     <dict>
2661       <key>mailto</key>
2662       <dict>
2663         <key>action</key>
2664         <string>useHelperApp</string>
2665         <key>ask</key>
2666         <true/> | <false/>
2667         <key>handlers</key>
2668         <array>
2669           <dict>
2670             <key>name</key>
2671             <string>Gmail</string>
2672             <key>uriTemplate</key>
2673             <string>https://mail.google.com/mail/?extsrc=mailto&url=%s</string>
2674           </dict>
2675         </array>
2676       </dict>
2677     </dict>
2678     <key>extensions</key>
2679     <dict>
2680       <key>pdf</key>
2681       <dict>
2682         <key>action</key>
2683         <string>useHelperApp</string>
2684         <key>ask</key>
2685         <true/> | <false/>
2686         <key>handlers</key>
2687         <array>
2688           <dict>
2689             <key>name</key>
2690             <string>Adobe Acrobat</string>
2691             <key>path</key>
2692             <string>/System/Applications/Preview.app</string>
2693           </dict>
2694         </array>
2695       </dict>
2696     </dict>
2697   </dict>
2698 </dict>
2699 ```
2700 #### policies.json
2701 ```
2702 {
2703   "policies": {
2704     "Handlers": {
2705       "mimeTypes": {
2706         "application/msword": {
2707           "action": "useSystemDefault",
2708           "ask": false
2709         }
2710       },
2711       "schemes": {
2712         "mailto": {
2713           "action": "useHelperApp",
2714           "ask": true | false,
2715           "handlers": [{
2716             "name": "Gmail",
2717             "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
2718           }]
2719         }
2720       },
2721       "extensions": {
2722         "pdf": {
2723           "action": "useHelperApp",
2724           "ask": true | false,
2725           "handlers": [{
2726             "name": "Adobe Acrobat",
2727             "path": "/usr/bin/acroread"
2728           }]
2729         }
2730       }
2731     }
2732   }
2733 }
2734 ```
2735 ### FirefoxHome
2736 Customize the Firefox Home page.
2737
2738 **Compatibility:** Firefox 68, Firefox ESR 68\
2739 **CCK2 Equivalent:** N/A\
2740 **Preferences Affected:** `browser.newtabpage.activity-stream.showSearch`,`browser.newtabpage.activity-stream.feeds.topsites`,`browser.newtabpage.activity-stream.feeds.section.highlights`,`browser.newtabpage.activity-stream.feeds.section.topstories`,`browser.newtabpage.activity-stream.feeds.snippets`
2741
2742 #### Windows (GPO)
2743 ```
2744 Software\Policies\Mozilla\Firefox\FirefoxHome\Search = 0x1 | 0x0
2745 Software\Policies\Mozilla\Firefox\FirefoxHome\TopSites = 0x1 | 0x0
2746 Software\Policies\Mozilla\Firefox\FirefoxHome\Highlights = 0x1 | 0x0
2747 Software\Policies\Mozilla\Firefox\FirefoxHome\Pocket = 0x1 | 0x0
2748 Software\Policies\Mozilla\Firefox\FirefoxHome\Snippets = 0x1 | 0x0
2749 Software\Policies\Mozilla\Firefox\FirefoxHome\Locked = 0x1 | 0x0
2750 ```
2751 #### Windows (Intune)
2752 OMA-URI:
2753 ```
2754 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/CustomizeFirefoxHome
2755 ```
2756 Value (string):
2757 ```
2758 <enabled/>
2759 <data id="FirefoxHome_Search"  value="true | false"/>
2760 <data id="FirefoxHome_TopSites"  value="true | false"/>
2761 <data id="FirefoxHome_Highlights"  value="true | false"/>
2762 <data id="FirefoxHome_Pocket"  value="true | false"/>
2763 <data id="FirefoxHome_Snippets"  value="true | false"/>
2764 <data id="FirefoxHome_Locked"  value="true | false"/>
2765 ```
2766 #### macOS
2767 ```
2768 <dict>
2769   <key>FirefoxHome</key>
2770   <dict>
2771     <key>Search</key>
2772     <true/> | <false/>
2773     <key>TopSites</key>
2774     <true/> | <false/>
2775     <key>Highlights</key>
2776     <true/> | <false/>
2777     <key>Pocket</key>
2778     <true/> | <false/>
2779     <key>Snippets</key>
2780     <true/> | <false/>
2781     <key>Locked</key>
2782     <true/> | <false/>
2783   </dict>
2784 </dict>
2785 ```
2786 #### policies.json
2787 ```
2788 {
2789   "policies": {
2790     "FirefoxHome": {
2791       "Search": true | false,
2792       "TopSites": true | false,
2793       "Highlights": true | false,
2794       "Pocket": true | false,
2795       "Snippets": true | false,
2796       "Locked": true | false
2797     }
2798   }
2799 }
2800 ```
2801 ### HardwareAcceleration
2802 Control hardware acceleration.
2803
2804 **Compatibility:** Firefox 60, Firefox ESR 60\
2805 **CCK2 Equivalent:** N/A\
2806 **Preferences Affected:** `layers.acceleration.disabled`
2807
2808 #### Windows (GPO)
2809 ```
2810 Software\Policies\Mozilla\Firefox\HardwareAcceleration = 0x1 | 0x0
2811 ```
2812 #### Windows (Intune)
2813 OMA-URI:
2814 ```
2815 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/HardwareAcceleration
2816 ```
2817 Value (string):
2818 ```
2819 <enabled/> or <disabled/>
2820 ```
2821 #### macOS
2822 ```
2823 <dict>
2824   <key>HardwareAcceleration</key>
2825   <true/> | <false/>
2826 </dict>
2827 ```
2828 #### policies.json
2829 ```
2830 {
2831   "policies": {
2832     "HardwareAcceleration": true | false
2833   }
2834 }
2835 ```
2836 ### Homepage
2837 Configure the default homepage and how Firefox starts.
2838
2839 `URL` is the default homepage.
2840
2841 `Locked` prevents the user from changing homepage preferences.
2842
2843 `Additional` allows for more than one homepage.
2844
2845 `StartPage` is how Firefox starts. The choices are no homepage, the default homepage or the previous session.
2846
2847 With Firefox 78, an additional option as added for `Startpage`, `homepage-locked`. If this is value is set for the Startpage, the user will always get the homepage at startup and cannot choose to restore their session.
2848
2849 **Compatibility:** Firefox 60, Firefox ESR 60 (StartPage was added in Firefox 60, Firefox ESR 60.4, homepage-locked added in Firefox 78)\
2850 **CCK2 Equivalent:** `homePage`,`lockHomePage`\
2851 **Preferences Affected:** `browser.startup.homepage`,`browser.startup.page`
2852
2853 #### Windows (GPO)
2854 ```
2855 Software\Policies\Mozilla\Firefox\Homepage\URL = "https://example.com"
2856 Software\Policies\Mozilla\Firefox\Homepage\Locked = 0x1 | 0x0
2857 Software\Policies\Mozilla\Firefox\Homepage\Additional\1 = "https://example.org"
2858 Software\Policies\Mozilla\Firefox\Homepage\Additional\2 = "https://example.edu"
2859 Software\Policies\Mozilla\Firefox\Homepage\StartPage = "none" | "homepage" | "previous-session" | "homepage-locked"
2860 ```
2861 #### Windows (Intune)
2862 OMA-URI:
2863 ```
2864 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageURL
2865 ```
2866 Value (string):
2867 ```
2868 <enabled/>
2869
2870 <data id="HomepageURL" value="https://example.com"/>
2871 <data id="HomepageLocked" value="true | false"/>
2872 ```
2873 OMA-URI:
2874 ```
2875 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageAdditional
2876 ```
2877 Value (string):
2878 ```
2879 <enabled/>
2880
2881 <data id="HomepageAdditional" value="1&#xF000;http://example.org&#xF000;2&#xF000;http://example.edu"/>
2882 ```
2883 OMA-URI:
2884 ```
2885 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageStartPage
2886 ```
2887 Value (string):
2888 ```
2889 <enabled/>
2890
2891 <data id="StartPage" value="none | homepage | previous-session"/>
2892 ```
2893 #### macOS
2894 ```
2895 <dict>
2896   <key>Homepage</key>
2897   <dict>
2898     <key>URL</key>
2899     <string>http://example.com</string>
2900     <key>Locked</key>
2901     <true/> | <false/>
2902     <key>Additional</key>
2903     <array>
2904       <string>http://example.org</string>
2905       <string>http://example.edu</string>
2906     </array>
2907     <key>StartPage</key>
2908     <string>none | homepage | previous-session | homepage-locked</string>
2909   </dict>
2910 </dict>
2911 ```
2912 #### policies.json
2913 ```
2914 {
2915   "policies": {
2916     "Homepage": {
2917       "URL": "http://example.com/",
2918       "Locked": true | false,
2919       "Additional": ["http://example.org/",
2920                      "http://example.edu/"],
2921       "StartPage": "none" | "homepage" | "previous-session" | "homepage-locked"
2922     }
2923   }
2924 }
2925 ```
2926 ### InstallAddonsPermission
2927 Configure the default extension install policy as well as origins for extension installs are allowed. This policy does not override turning off all extension installs.
2928
2929 `Allow` is a list of origins where extension installs are allowed.
2930
2931 `Default` determines whether or not extension installs are allowed by default.
2932
2933 **Compatibility:** Firefox 60, Firefox ESR 60\
2934 **CCK2 Equivalent:** `permissions.install`\
2935 **Preferences Affected:** `xpinstall.enabled`
2936
2937 #### Windows (GPO)
2938 ```
2939 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\1 = "https://example.org"
2940 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\2 = "https://example.edu"
2941 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Default = 0x1 | 0x0
2942 ```
2943 #### Windows (Intune)
2944 OMA-URI:
2945 ```
2946 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Addons/InstallAddonsPermission_Allow
2947 ```
2948 Value (string):
2949 ```
2950 <enabled/>
2951 <data id="Permissions" value="1&#xF000;https://example.org&#xF000;2&#xF000;https://example.edu"/>
2952 ```
2953 OMA-URI:
2954 ```
2955 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Addons/InstallAddonsPermission_Default
2956 ```
2957 Value (string):
2958 ```
2959 <enabled/>
2960 ```
2961 #### macOS
2962 ```
2963 <dict>
2964   <key>InstallAddonsPermission</key>
2965   <dict>
2966     <key>Allow</key>
2967     <array>
2968       <string>http://example.org</string>
2969       <string>http://example.edu</string>
2970     </array>
2971     <key>Default</key>
2972     <true/> | <false/>
2973   </dict>
2974 </dict>
2975 ```
2976 #### policies.json
2977 ```
2978 {
2979   "policies": {
2980     "InstallAddonsPermission": {
2981       "Allow": ["http://example.org/",
2982                 "http://example.edu/"],
2983       "Default": true | false
2984     }
2985   }
2986 }
2987 ```
2988 ### LegacyProfiles
2989 Disable the feature enforcing a separate profile for each installation.
2990
2991 If this policy set to true, Firefox will not try to create different profiles for installations of Firefox in different directories. This is the equivalent of the MOZ_LEGACY_PROFILES environment variable.
2992
2993 If this policy set to false, Firefox will create a new profile for each unique installation of Firefox.
2994
2995 This policy only work on Windows via GPO (not policies.json).
2996
2997 **Compatibility:** Firefox 70, Firefox ESR 68.2 (Windows only, GPO only)\
2998 **CCK2 Equivalent:** N/A\
2999 **Preferences Affected:** N/A
3000
3001 #### Windows (GPO)
3002 ```
3003 Software\Policies\Mozilla\Firefox\LegacyProfiles = = 0x1 | 0x0
3004 ```
3005 #### Windows (Intune)
3006 OMA-URI:
3007 ```
3008 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LegacyProfiles
3009 ```
3010 Value (string):
3011 ```
3012 <enabled/> or <disabled/>
3013 ```
3014 ### LocalFileLinks
3015 Enable linking to local files by origin.
3016
3017 **Compatibility:** Firefox 68, Firefox ESR 68\
3018 **CCK2 Equivalent:** N/A\
3019 **Preferences Affected:** `capability.policy.localfilelinks.*`
3020
3021 #### Windows (GPO)
3022 ```
3023 Software\Policies\Mozilla\Firefox\LocalFileLinks\1 = "https://example.org"
3024 Software\Policies\Mozilla\Firefox\LocalFileLinks\2 = "https://example.edu"
3025 ```
3026 #### Windows (Intune)
3027 OMA-URI:
3028 ```
3029 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LocalFileLinks
3030 ```
3031 Value (string):
3032 ```
3033 <enabled/>
3034 <data id="LocalFileLinks" value="1&#xF000;https://example.org&#xF000;2&#xF000;https://example.edu"/>
3035 ```
3036 #### macOS
3037 ```
3038 <dict>
3039   <key>LocalFileLinks</key>
3040   <array>
3041     <string>http://example.org</string>
3042     <string>http://example.edu</string>
3043   </array>
3044 </dict>
3045 ```
3046 #### policies.json
3047 ```
3048 {
3049   "policies": {
3050     "LocalFileLinks": ["http://example.org/",
3051                        "http://example.edu/"]
3052   }
3053 }
3054 ```
3055 ### ManagedBookmarks
3056 Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
3057
3058 The bookmarks are only added as a button on the personal toolbar. They are not in the bookmarks folder.
3059
3060 The syntax of this policy is exactly the same as the [Chrome ManagedBookmarks policy](https://cloud.google.com/docs/chrome-enterprise/policies/?policy=ManagedBookmarks). The schema is:
3061 ```
3062 {
3063  "items": {
3064   "id": "BookmarkType",
3065   "properties": {
3066    "children": {
3067     "items": {
3068      "$ref": "BookmarkType"
3069     },
3070     "type": "array"
3071    },
3072    "name": {
3073     "type": "string"
3074    },
3075    "toplevel_name": {
3076     "type": "string"
3077    },
3078    "url": {
3079     "type": "string"
3080    }
3081   },
3082   "type": "object"
3083  },
3084  "type": "array"
3085 }
3086 ```
3087 **Compatibility:** Firefox 83, Firefox ESR 78.5\
3088 **CCK2 Equivalent:** N/A\
3089 **Preferences Affected:** N/A
3090
3091 #### Windows (GPO)
3092 Software\Policies\Mozilla\Firefox\ManagedBookmarks (REG_MULTI_SZ) =
3093 ```
3094 [
3095   {
3096     "toplevel_name": "My managed bookmarks folder"
3097   },
3098   {
3099     "url": "example.com",
3100     "name": "Example"
3101   },
3102   {
3103     "name": "Mozilla links",
3104     "children": [
3105       {
3106         "url": "https://mozilla.org",
3107         "name": "Mozilla.org"
3108       },
3109       {
3110         "url": "https://support.mozilla.org/",
3111         "name": "SUMO"
3112       }
3113     ]
3114   }
3115 ]
3116 ```
3117 #### Windows (Intune)
3118 OMA-URI:
3119 ```
3120 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ManagedBookmarks
3121 ```
3122 Value (string):
3123 ```
3124 <enabled/>
3125 <data id="JSON" value='
3126 [
3127   {
3128     "toplevel_name": "My managed bookmarks folder"
3129   },
3130   {
3131     "url": "example.com",
3132     "name": "Example"
3133   },
3134   {
3135     "name": "Mozilla links",
3136     "children": [
3137       {
3138         "url": "https://mozilla.org",
3139         "name": "Mozilla.org"
3140       },
3141       {
3142         "url": "https://support.mozilla.org/",
3143         "name": "SUMO"
3144       }
3145     ]
3146   }
3147 ]'/>
3148 ```
3149 #### macOS
3150 ```
3151 <dict>
3152   <key>ManagedBookmarks</key>
3153   <array>
3154     <dict>
3155       <key>toplevel_name</key>
3156       <string>My managed bookmarks folder</string></dict>
3157       <dict>
3158         <key>url</key>
3159         <string>example.com</string>
3160         <key>name</key>
3161         <string>Example</string>
3162       </dict>
3163       <dict>
3164       <key>name</key>
3165       <string>Mozilla links</string>
3166       <key>children</key>
3167       <array>
3168         <dict>
3169           <key>url</key>
3170           <string>https://mozilla.org</string>
3171           <key>name</key>
3172           <string>Mozilla</string>
3173         </dict>
3174         <dict>
3175           <key>url</key>
3176           <string>https://support.mozilla.org/</string>
3177           <key>name</key>
3178           <string>SUMO</string>
3179         </dict>
3180       </array>
3181     </dict>
3182   </array>
3183 </dict>
3184 ```
3185 #### policies.json
3186 ```
3187 {
3188   "policies": {
3189     "ManagedBookmarks": [
3190       {
3191         "toplevel_name": "My managed bookmarks folder"
3192       },
3193       {
3194         "url": "example.com",
3195         "name": "Example"
3196       },
3197       {
3198         "name": "Mozilla links",
3199         "children": [
3200           {
3201             "url": "https://mozilla.org",
3202             "name": "Mozilla.org"
3203           },
3204           {
3205             "url": "https://support.mozilla.org/",
3206             "name": "SUMO"
3207           }
3208         ]
3209       }
3210     ]
3211   }
3212 }
3213 ```
3214 ### ManualAppUpdateOnly
3215
3216 Switch to manual updates only.
3217
3218 If this policy is enabled:
3219  1. The user will never be prompted to install updates
3220  2. Firefox will not check for updates in the background, though it will check automatically when an update UI is displayed (such as the one in the About dialog). This check will be used to show "Update to version X" in the UI, but will not automatically download the update or prompt the user to update in any other way.
3221  3. The update UI will work as expected, unlike when using DisableAppUpdate.
3222
3223 This policy is primarily intended for advanced end users, not for enterprises.
3224
3225 **Compatibility:** Firefox 87\
3226 **CCK2 Equivalent:** N/A\
3227 **Preferences Affected:** N/A
3228
3229 #### policies.json
3230 ```
3231 {
3232   "policies": {
3233     "ManualAppUpdateOnly": true | false
3234   }
3235 }
3236 ```
3237 ### PrimaryPassword
3238 Require or prevent using a primary (formerly master) password.
3239
3240 If this value is true, a primary password is required. If this value is false, it works the same as if [`DisableMasterPasswordCreation`](#disablemasterpasswordcreation) was true and removes the primary password functionality.
3241
3242 If both DisableMasterPasswordCreation and PrimaryPassword are used, DisableMasterPasswordCreation takes precedent.
3243
3244 **Compatibility:** Firefox 79, Firefox ESR 78.1\
3245 **CCK2 Equivalent:** `noMasterPassword`\
3246 **Preferences Affected:** N/A
3247
3248 #### Windows (GPO)
3249 ```
3250 Software\Policies\Mozilla\Firefox\PrimaryPassword = 0x1 | 0x0
3251 ```
3252 #### Windows (Intune)
3253 OMA-URI:
3254 ```
3255 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PrimaryPassword
3256 ```
3257 Value (string):
3258 ```
3259 <enabled/> or <disabled/>
3260 ```
3261 #### macOS
3262 ```
3263 <dict>
3264   <key>PrimaryPassword</key>
3265   <true/> | <false/>
3266 </dict>
3267 ```
3268 #### policies.json
3269 ```
3270 {
3271   "policies": {
3272     "PrimaryPassword": true | false
3273   }
3274 }
3275 ```
3276 ### NetworkPrediction
3277 Enable or disable network prediction (DNS prefetching).
3278
3279 **Compatibility:** Firefox 67, Firefox ESR 60.7\
3280 **CCK2 Equivalent:** N/A\
3281 **Preferences Affected:** `network.dns.disablePrefetch`,`network.dns.disablePrefetchFromHTTPS`
3282
3283 #### Windows (GPO)
3284 ```
3285 Software\Policies\Mozilla\Firefox\NetworkPrediction = 0x1 | 0x0
3286 ```
3287 #### Windows (Intune)
3288 OMA-URI:
3289 ```
3290 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NetworkPrediction
3291 ```
3292 Value (string):
3293 ```
3294 <enabled/> or <disabled/>
3295 ```
3296 #### macOS
3297 ```
3298 <dict>
3299   <key>NetworkPrediction</key>
3300   <true/> | <false/>
3301 </dict>
3302 ```
3303 #### policies.json
3304 ```
3305 {
3306   "policies": {
3307     "NetworkPrediction": true | false
3308 }
3309 ```
3310 ### NewTabPage
3311 Enable or disable the New Tab page.
3312
3313 **Compatibility:** Firefox 68, Firefox ESR 68\
3314 **CCK2 Equivalent:** N/A\
3315 **Preferences Affected:** `browser.newtabpage.enabled`
3316
3317 #### Windows (GPO)
3318 ```
3319 Software\Policies\Mozilla\Firefox\NewTabPage = 0x1 | 0x0
3320 ```
3321 #### Windows (Intune)
3322 OMA-URI:
3323 ```
3324 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NewTabPage
3325 ```
3326 Value (string):
3327 ```
3328 <enabled/> or <disabled/>
3329 ```
3330 #### macOS
3331 ```
3332 <dict>
3333   <key>NewTabPage</key>
3334   <true/> | <false/>
3335 </dict>
3336 ```
3337 #### policies.json
3338 ```
3339 {
3340   "policies": {
3341     "NewTabPage": true | false
3342 }
3343 ```
3344 ### NoDefaultBookmarks
3345 Disable the creation of default bookmarks.
3346
3347 This policy is only effective if the user profile has not been created yet.
3348
3349 **Compatibility:** Firefox 60, Firefox ESR 60\
3350 **CCK2 Equivalent:** `removeDefaultBookmarks`\
3351 **Preferences Affected:** N/A
3352
3353 #### Windows (GPO)
3354 ```
3355 Software\Policies\Mozilla\Firefox\NoDefaultBookmarks = 0x1 | 0x0
3356 ```
3357 #### Windows (Intune)
3358 OMA-URI:
3359 ```
3360 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NoDefaultBookmarks
3361 ```
3362 Value (string):
3363 ```
3364 <enabled/> or <disabled/>
3365 ```
3366 #### macOS
3367 ```
3368 <dict>
3369   <key>NoDefaultBookmarks</key>
3370   <true/> | <false/>
3371 </dict>
3372 ```
3373 #### policies.json
3374 ```
3375 {
3376   "policies": {
3377     "NoDefaultBookmarks": true | false
3378   }
3379 }
3380 ```
3381 ### OfferToSaveLogins
3382 Control whether or not Firefox offers to save passwords.
3383
3384 **Compatibility:** Firefox 60, Firefox ESR 60\
3385 **CCK2 Equivalent:** `dontRememberPasswords`\
3386 **Preferences Affected:** `signon.rememberSignons`
3387
3388 #### Windows (GPO)
3389 ```
3390 Software\Policies\Mozilla\Firefox\OfferToSaveLogins = 0x1 | 0x0
3391 ```
3392 #### Windows (Intune)
3393 OMA-URI:
3394 ```
3395 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OfferToSaveLogins
3396 ```
3397 Value (string):
3398 ```
3399 <enabled/> or <disabled/>
3400 ```
3401 #### macOS
3402 ```
3403 <dict>
3404   <key>OfferToSaveLogins</key>
3405   <true/> | <false/>
3406 </dict>
3407 ```
3408 #### policies.json
3409 ```
3410 {
3411   "policies": {
3412     "OfferToSaveLogins": true | false
3413   }
3414 }
3415 ```
3416 ### OfferToSaveLoginsDefault
3417 Sets the default value of signon.rememberSignons without locking it.
3418
3419 **Compatibility:** Firefox 70, Firefox ESR 60.2\
3420 **CCK2 Equivalent:** `dontRememberPasswords`\
3421 **Preferences Affected:** `signon.rememberSignons`
3422
3423 #### Windows (GPO)
3424 ```
3425 Software\Policies\Mozilla\Firefox\OfferToSaveLoginsDefault = 0x1 | 0x0
3426 ```
3427 #### Windows (Intune)
3428 OMA-URI:
3429 ```
3430 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OfferToSaveLoginsDefault
3431 ```
3432 Value (string):
3433 ```
3434 <enabled/> or <disabled/>
3435 ```
3436 #### macOS
3437 ```
3438 <dict>
3439   <key>OfferToSaveLoginsDefault</key>
3440   <true/> | <false/>
3441 </dict>
3442 ```
3443 #### policies.json
3444 ```
3445 {
3446   "policies": {
3447     "OfferToSaveLoginsDefault": true | false
3448   }
3449 }
3450 ```
3451 ### OverrideFirstRunPage
3452 Override the first run page. If the value is an empty string (""), the first run page is not displayed.
3453
3454 Starting with Firefox 83, Firefox ESR 78.5, you can also specify multiple URLS separated by a vertical bar (|).
3455
3456 **Compatibility:** Firefox 60, Firefox ESR 60\
3457 **CCK2 Equivalent:** `welcomePage`,`noWelcomePage`\
3458 **Preferences Affected:** `startup.homepage_welcome_url`
3459
3460 #### Windows (GPO)
3461 ```
3462 Software\Policies\Mozilla\Firefox\OverrideFirstRunPage = "http://example.org"
3463 ```
3464 #### Windows (Intune)
3465 OMA-URI:
3466 ```
3467 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OverrideFirstRunPage
3468 ```
3469 Value (string):
3470 ```
3471 <enabled/>
3472 <data id="OverridePage" value="https://example.com"/>
3473 ```
3474 #### macOS
3475 ```
3476 <dict>
3477   <key>OverrideFirstRunPage</key>
3478   <string>http://example.org</string>
3479 </dict>
3480 ```
3481 #### policies.json
3482 ```
3483 {
3484   "policies": {
3485     "OverrideFirstRunPage": "http://example.org"
3486 }
3487 ```
3488 ### OverridePostUpdatePage
3489 Override the upgrade page. If the value is an empty string (""), no extra pages are displayed when Firefox is upgraded.
3490
3491 **Compatibility:** Firefox 60, Firefox ESR 60\
3492 **CCK2 Equivalent:** `upgradePage`,`noUpgradePage`\
3493 **Preferences Affected:** `startup.homepage_override_url`
3494
3495 #### Windows (GPO)
3496 ```
3497 Software\Policies\Mozilla\Firefox\OverridePostUpdatePage = "http://example.org"
3498 ```
3499 #### Windows (Intune)
3500 OMA-URI:
3501 ```
3502 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OverridePostUpdatePage
3503 ```
3504 Value (string):
3505 ```
3506 <enabled/>
3507 <data id="OverridePage" value="https://example.com"/>
3508 ```
3509 #### macOS
3510 ```
3511 <dict>
3512   <key>OverridePostUpdatePage</key>
3513   <string>http://example.org</string>
3514 </dict>
3515 ```
3516 #### policies.json
3517 ```
3518 {
3519   "policies": {
3520     "OverridePostUpdatePage": "http://example.org"
3521 }
3522 ```
3523 ### PasswordManagerEnabled
3524 Remove access to the password manager via preferences and blocks about:logins on Firefox 70.
3525
3526 **Compatibility:** Firefox 70, Firefox ESR 60.2\
3527 **CCK2 Equivalent:** N/A\
3528 **Preferences Affected:** `pref.privacy.disable_button.view_passwords`
3529
3530 #### Windows (GPO)
3531 ```
3532 Software\Policies\Mozilla\Firefox\PasswordManagerEnabled = 0x1 | 0x0
3533 ```
3534 #### Windows (Intune)
3535 OMA-URI:
3536 ```
3537 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PasswordManagerEnabled
3538 ```
3539 Value (string):
3540 ```
3541 <enabled/> or <disabled/>
3542 ```
3543 #### macOS
3544 ```
3545 <dict>
3546   <key>PasswordManagerEnabled</key>
3547   <true/> | <false/>
3548 </dict>
3549 ```
3550 #### policies.json
3551 ```
3552 {
3553   "policies": {
3554     "PasswordManagerEnabled": true | false
3555   }
3556 }
3557 ```
3558 ### PDFjs
3559 Disable or configure PDF.js, the built-in PDF viewer.
3560
3561 If `Enabled` is set to false, the built-in PDF viewer is disabled.
3562
3563 If `EnablePermissions` is set to true, the built-in PDF viewer will honor document permissions like preventing the copying of text.
3564
3565 Note: DisableBuiltinPDFViewer has not been deprecated. You can either continue to use it, or switch to using PDFjs->Enabled to disable the built-in PDF viewer. This new permission was added because we needed a place for PDFjs->EnabledPermissions.
3566
3567 **Compatibility:** Firefox 77, Firefox ESR 68.9\
3568 **CCK2 Equivalent:** N/A\
3569 **Preferences Affected:** `pdfjs.diabled`,`pdfjs.enablePermissions`
3570
3571 #### Windows (GPO)
3572 ```
3573 Software\Policies\Mozilla\Firefox\PDFjs\Enabled = 0x1 | 0x0
3574 Software\Policies\Mozilla\Firefox\PDFjs\EnablePermissions = 0x1 | 0x0
3575 ```
3576 #### Windows (Intune)
3577 OMA-URI:
3578 ```
3579 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PDFjs/PDFjs_Enabled
3580 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PDFjs/PDFjs_EnablePermissions
3581 ```
3582 Value (string):
3583 ```
3584 <enabled/>or <disabled/>
3585 ```
3586 #### macOS
3587 ```
3588 <dict>
3589   <key>PDFjs</key>
3590   <dict>
3591     <key>Enabled</key>
3592     <true/> | <false/>
3593     <key>EnablePermissions</key>
3594     <true/> | <false/>
3595   </dict>
3596 </dict>
3597 ```
3598 #### policies.json
3599 ```
3600 {
3601   "policies": {
3602     "PSFjs": {
3603       "Enabled": true | false,
3604       "EnablePermissions": true | false
3605     }
3606   }
3607 }
3608 ```
3609 ### Permissions
3610 Set permissions associated with camera, microphone, location, notifications, autoplay, and virtual reality. Because these are origins, not domains, entries with unique ports must be specified separately. This explicitly means that it is not possible to add wildcards. See examples below.
3611
3612 `Allow` is a list of origins where the feature is allowed.
3613
3614 `Block` is a list of origins where the feature is not allowed.
3615
3616 `BlockNewRequests` determines whether or not new requests can be made for the feature.
3617
3618 `Locked` prevents the user from changing preferences for the feature.
3619
3620 `Default` specifies the default value for Autoplay. block-audio-video is not supported on Firefox ESR 68.
3621
3622 **Compatibility:** Firefox 62, Firefox ESR 60.2 (Autoplay added in Firefox 74, Firefox ESR 68.6, Autoplay Default/Locked added in Firefox 76, Firefox ESR 68.8, VirtualReality added in Firefox 80, Firefox ESR 78.2)\
3623 **CCK2 Equivalent:** N/A\
3624 **Preferences Affected:** `permissions.default.camera`,`permissions.default.microphone`,`permissions.default.geo`,`permissions.default.desktop-notification`,`media.autoplay.default`.`permissions.default.xr`
3625
3626 #### Windows (GPO)
3627 ```
3628 Software\Policies\Mozilla\Firefox\Permissions\Camera\Allow\1 = "https://example.org"
3629 Software\Policies\Mozilla\Firefox\Permissions\Camera\Allow\2 = "https://example.org:1234"
3630 Software\Policies\Mozilla\Firefox\Permissions\Camera\Block\1 = "https://example.edu"
3631 Software\Policies\Mozilla\Firefox\Permissions\Camera\BlockNewRequests = 0x1 | 0x0
3632 Software\Policies\Mozilla\Firefox\Permissions\Camera\Locked = 0x1 | 0x0
3633 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Allow\1 = "https://example.org"
3634 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Block\1 = "https://example.edu"
3635 Software\Policies\Mozilla\Firefox\Permissions\Microphone\BlockNewRequests = 0x1 | 0x0
3636 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Locked = 0x1 | 0x0
3637 Software\Policies\Mozilla\Firefox\Permissions\Location\Allow\1 = "https://example.org"
3638 Software\Policies\Mozilla\Firefox\Permissions\Location\Block\1 = "https://example.edu"
3639 Software\Policies\Mozilla\Firefox\Permissions\Location\BlockNewRequests = 0x1 | 0x0
3640 Software\Policies\Mozilla\Firefox\Permissions\Location\Locked = 0x1 | 0x0
3641 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Allow\1 = "https://example.org"
3642 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Block\1 = "https://example.edu"
3643 Software\Policies\Mozilla\Firefox\Permissions\Notifications\BlockNewRequests = 0x1 | 0x0
3644 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Locked = 0x1 | 0x0
3645 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Allow\1 = "https://example.org"
3646 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Block\1 = "https://example.edu"
3647 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Default = "allow-audio-video" | "block-audio" | "block-audio-video"
3648 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Locked = 0x1 | 0x0
3649 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Allow\1 = "https://example.org"
3650 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Block\1 = "https://example.edu"
3651 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\BlockNewRequests = 0x1 | 0x0
3652 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Locked = 0x1 | 0x0
3653 ```
3654 #### Windows (Intune)
3655 OMA-URI:
3656 ```
3657 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Location/Location_BlockNewRequests
3658 ```
3659 Value (string):
3660 ```
3661 <enabled/> or <disabled/>
3662 ```
3663 OMA-URI:
3664 ```
3665 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Location/Location_Locked
3666 ```
3667 Value (string):
3668 ```
3669 <enabled/> or <disabled/>
3670 ```
3671 OMA-URI:
3672 ```
3673 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_Allow
3674 ```
3675 Value (string):
3676 ```
3677 <enabled/>
3678 <data id="Permissions" value="1&#xF000;https://example.org"/>
3679 ```
3680 OMA-URI:
3681 ```
3682 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_BlockNewRequests
3683 ```
3684 Value (string):
3685 ```
3686 <enabled/> or <disabled/>
3687 ```
3688 OMA-URI:
3689 ```
3690 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_Locked
3691 ```
3692 Value (string):
3693 ```
3694 <enabled/> or <disabled/>
3695 ```
3696 OMA-URI:
3697 ```
3698 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Allow
3699 ```
3700 Value (string):
3701 ```
3702 <enabled/>
3703 <data id="Permissions" value="1&#xF000;https://example.org"/>
3704 ```
3705 OMA-URI:
3706 ```
3707 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Block
3708 ```
3709 Value (string):
3710 ```
3711 <enabled/>
3712 <data id="Permissions" value="1&#xF000;https://example.edu"/>
3713 ```
3714 OMA-URI:
3715 ```
3716 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Default
3717 ```
3718 Value (string):
3719 ```
3720 <enabled/>
3721 <data id="Autoplay_Default" value="allow-audio-video | block-audio | block-audio-video"/>
3722 ```
3723 OMA-URI:
3724 ```
3725 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Locked
3726 ```
3727 Value (string):
3728 ```
3729 <enabled/> or <disabled/>
3730 ```
3731 OMA-URI:
3732 ```
3733 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Allow
3734 ```
3735 Value (string):
3736 ```
3737 <enabled/>
3738 <data id="Permissions" value="1&#xF000;https://example.org"/>
3739 ```
3740 OMA-URI:
3741 ```
3742 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Block
3743 ```
3744 Value (string):
3745 ```
3746 <enabled/>
3747 <data id="Permissions" value="1&#xF000;https://example.edu"/>
3748 ```
3749 OMA-URI:
3750 ```
3751 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_BlockNewRequests
3752 ```
3753 Value (string):
3754 ```
3755 <enabled/> or <disabled/>
3756 ```
3757 OMA-URI:
3758 ```
3759 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Locked
3760 ```
3761 Value (string):
3762 ```
3763 <enabled/> or <disabled/>
3764 ```
3765 #### macOS
3766 ```
3767 <dict>
3768   <key>Permissions</key>
3769   <dict>
3770     <key>Camera</key>
3771     <dict>
3772       <key>Allow</key>
3773       <array>
3774         <string>https://example.org</string>
3775         <string>https://example.org:1234</string>
3776       </array>
3777       <key>Block</key>
3778       <array>
3779         <string>https://example.edu</string>
3780       </array>
3781       <key>BlockNewRequests</key>
3782       <true/> | <false/>
3783       <key>Locked</key>
3784       <true/> | <false/>
3785     </dict>
3786     <key>Microphone</key>
3787     <dict>
3788       <key>Allow</key>
3789       <array>
3790         <string>https://example.org</string>
3791       </array>
3792       <key>Block</key>
3793       <array>
3794         <string>https://example.edu</string>
3795       </array>
3796       <key>BlockNewRequests</key>
3797       <true/> | <false/>
3798       <key>Locked</key>
3799       <true/> | <false/>
3800     </dict>
3801     <key>Location</key>
3802     <dict>
3803       <key>Allow</key>
3804       <array>
3805         <string>https://example.org</string>
3806       </array>
3807       <key>Block</key>
3808       <array>
3809         <string>https://example.edu</string>
3810       </array>
3811       <key>BlockNewRequests</key>
3812       <true/> | <false/>
3813       <key>Locked</key>
3814       <true/> | <false/>
3815     </dict>
3816     <key>Notifications</key>
3817     <dict>
3818       <key>Allow</key>
3819       <array>
3820         <string>https://example.org</string>
3821       </array>
3822       <key>Block</key>
3823       <array>
3824         <string>https://example.edu</string>
3825       </array>
3826       <key>BlockNewRequests</key>
3827       <true/>
3828       <key>Locked</key>
3829       <true/>
3830     </dict>
3831     <key>Autoplay</key>
3832     <dict>
3833       <key>Allow</key>
3834       <array>
3835         <string>https://example.org</string>
3836       </array>
3837       <key>Block</key>
3838       <array>
3839         <string>https://example.edu</string>
3840       </array>
3841       <key>Default</key>
3842       <string>allow-audio-video | block-audio | block-audio-video</string>
3843       <key>Locked</key>
3844       <true/> | <false/>
3845     </dict>
3846   </dict>
3847 </dict>
3848 ```
3849 #### policies.json
3850 ```
3851 {
3852   "policies": {
3853     "Permissions": {
3854       "Camera": {
3855         "Allow": ["https://example.org","https://example.org:1234"],
3856         "Block": ["https://example.edu"],
3857         "BlockNewRequests": true | false,
3858         "Locked": true | false
3859       },
3860       "Microphone": {
3861         "Allow": ["https://example.org"],
3862         "Block": ["https://example.edu"],
3863         "BlockNewRequests": true | false,
3864         "Locked": true | false
3865       },
3866       "Location": {
3867         "Allow": ["https://example.org"],
3868         "Block": ["https://example.edu"],
3869         "BlockNewRequests": true | false,
3870         "Locked": true | false
3871       },
3872       "Notifications": {
3873         "Allow": ["https://example.org"],
3874         "Block": ["https://example.edu"],
3875         "BlockNewRequests": true | false,
3876         "Locked": true | false
3877       },
3878       "Autoplay": {
3879         "Allow": ["https://example.org"],
3880         "Block": ["https://example.edu"],
3881         "Default": "allow-audio-video" | "block-audio" | "block-audio-video",
3882         "Locked": true | false
3883       }
3884     }
3885   }
3886 }
3887 ```
3888 ### PictureInPicture
3889
3890 Enable or disable Picture-in-Picture as well as prevent the user from enabling or disabling it (Locked).
3891
3892 **Compatibility:** Firefox 78, Firefox ESR 78\
3893 **CCK2 Equivalent:** N/A\
3894 **Preferences Affected:** `media.videocontrols.picture-in-picture.video-toggle.enabled`
3895
3896 #### Windows (GPO)
3897 ```
3898 Software\Policies\Mozilla\Firefox\PictureInPicture\Enabled = 0x1 | 0x0
3899 Software\Policies\Mozilla\Firefox\PictureInPicture\Locked = 0x1 | 0x0
3900
3901 ```
3902 #### Windows (Intune)
3903 OMA-URI:
3904 ```
3905 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Enabled
3906 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Locked
3907 ```
3908 Value (string):
3909 ```
3910 <enabled/> or <disabled/>
3911 ```
3912 #### macOS
3913 ```
3914 <dict>
3915   <key>PictureInPicture</key>
3916   <dict>
3917     <key>Enabled</key>
3918     <true/> | <false/>
3919     <key>Locked</key>
3920     <true/> | <false/>
3921   </dict>
3922 </dict>
3923 ```
3924 #### policies.json
3925 ```
3926 {
3927   "policies": {
3928     "PictureInPicture": {
3929       "Enabled": true | false,
3930       "Locked": true | false
3931     }
3932   }
3933 }
3934 ```
3935 ### PopupBlocking
3936 Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
3937
3938 `Allow` is a list of origins where popup-windows are allowed.
3939
3940 `Default` determines whether or not pop-up windows are allowed by default.
3941
3942 `Locked` prevents the user from changing pop-up preferences.
3943
3944 **Compatibility:** Firefox 60, Firefox ESR 60\
3945 **CCK2 Equivalent:** `permissions.popup`\
3946 **Preferences Affected:** `dom.disable_open_during_load`
3947
3948 #### Windows (GPO)
3949 ```
3950 Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\1 = "https://example.org"
3951 Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\2 = "https://example.edu"
3952 Software\Policies\Mozilla\Firefox\PopupBlocking\Default = 0x1 | 0x0
3953 Software\Policies\Mozilla\Firefox\PopupBlocking\Locked = 0x1 | 0x0
3954 ```
3955 #### Windows (Intune)
3956 OMA-URI:
3957 ```
3958 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Allow
3959 ```
3960 Value (string):
3961 ```
3962 <enabled/>
3963 <data id="Permissions" value="1&#xF000;https://example.org&#xF000;2&#xF000;https://example.edu"/>
3964 ```
3965 OMA-URI:
3966 ```
3967 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Default
3968 ```
3969 Value (string):
3970 ```
3971 <enabled/> or <disabled/>
3972 ```
3973 OMA-URI:
3974 ```
3975 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Locked
3976 ```
3977 Value (string):
3978 ```
3979 <enabled/> or <disabled/>
3980 ```
3981 #### macOS
3982 ```
3983 <dict>
3984   <key>PopupBlocking</key>
3985   <dict>
3986     <key>Allow</key>
3987     <array>
3988       <string>http://example.org</string>
3989       <string>http://example.edu</string>
3990     </array>
3991     <key>Default</key>
3992     <true/> | <false/>
3993     <key>Locked</key>
3994     <true/> | <false/>
3995   </dict>
3996 </dict>
3997 ```
3998 #### policies.json
3999 ```
4000 {
4001   "policies": {
4002     "PopupBlocking": {
4003       "Allow": ["http://example.org/",
4004                 "http://example.edu/"],
4005       "Default": true | false,
4006       "Locked": true | false
4007     }
4008   }
4009 }
4010 ```
4011 ### Preferences
4012 Set and lock preferences.
4013
4014 **NOTE** On Windows, in order to use this policy, you must clear all settings in the old **Preferences (Deprecated)** section.
4015
4016 Previously you could only set and lock a subset of preferences. Starting with Firefox 81 and Firefox ESR 78.3 you can set many more preferences. You can also set default preferences, user preferences and you can clear preferences.
4017
4018 Preferences that start with the following prefixes are supported:
4019 ```
4020 accessibility.
4021 app.update.* (Firefox 86, Firefox 78.8)
4022 browser.
4023 datareporting.policy.
4024 dom.
4025 extensions.
4026 general.autoScroll (Firefox 83, Firefox ESR 78.5)
4027 general.smoothScroll (Firefox 83, Firefox ESR 78.5)
4028 geo.
4029 intl.
4030 layout.
4031 media.
4032 network.
4033 pdfjs. (Firefox 84, Firefox ESR 78.6)
4034 places.
4035 print.
4036 signon. (Firefox 83, Firefox ESR 78.5)
4037 spellchecker. (Firefox 84, Firefox ESR 78.6)
4038 ui.
4039 widget.
4040 ```
4041 as well as the following security preferences:
4042 | Preference | Type | Default
4043 | --- | --- | ---
4044 | security.default_personal_cert | string | Ask Every Time
4045 | &nbsp;&nbsp;&nbsp;&nbsp;If set to Select Automatically, Firefox automatically chooses the default personal certificate.
4046 | security.insecure_connection_text.enabled | bool | false
4047 | &nbsp;&nbsp;&nbsp;&nbsp;If set to true, adds the words "Not Secure" for insecure sites.
4048 | security.insecure_connection_text.pbmode.enabled | bool | false
4049 | &nbsp;&nbsp;&nbsp;&nbsp;If set to true, adds the words "Not Secure" for insecure sites in private browsing.
4050 | security.insecure_field_warning.contextual.enabled | bool | true
4051 | &nbsp;&nbsp;&nbsp;&nbsp;If set to false, remove the warning for inscure login fields.
4052 | security.mixed_content.block_active_content | boolean | true
4053 | &nbsp;&nbsp;&nbsp;&nbsp;If false, mixed active content (HTTP and HTTPS) is not blocked.
4054 | security.osclientcerts.autoload | boolean | false
4055 | &nbsp;&nbsp;&nbsp;&nbsp;If true, client certificates are loaded from the operating system certificate store.
4056 | security.ssl.errorReporting.enabled | boolean | true
4057 | &nbsp;&nbsp;&nbsp;&nbsp;If false, SSL errors cannot be sent to Mozilla.
4058 | security.tls.hello_downgrade_check | boolean | true
4059 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the TLS 1.3 downgrade check is disabled.
4060 | security.tls.version.enable-deprecated | boolean | false
4061 | &nbsp;&nbsp;&nbsp;&nbsp;If true, browser will accept TLS 1.0. and TLS 1.1 (Firefox 86, Firefox 78.8)
4062 | security.warn_submit_secure_to_insecure | boolean | true
4063 | &nbsp;&nbsp;&nbsp;&nbsp;If false, no warning is shown when submitting s form from https to http.
4064 &nbsp;
4065
4066 Using the preference as the key, set the `Value` to the corresponding preference value.
4067
4068 `Status` can be "default", "locked", "user" or "clear"
4069
4070 Default preferences can be modified by the user.
4071
4072 If a value is locked, it is also set as the default.
4073
4074 User preferences persist across invocations of Firefox. It is the equivalent of a user setting the preference. They are most useful when a preference is needed very early in startup so it can't be set as default by policy.
4075
4076 User preferences persist even if the policy is removed, so if you need to remove them, you should use the clear policy.
4077
4078 See the examples below for more detail.
4079
4080 IMPORTANT: Make sure you're only setting a particular preference using this mechanism and not some other way.
4081
4082 Status
4083 **Compatibility:** Firefox 81, Firefox ESR 78.3\
4084 **CCK2 Equivalent:** `preferences`\
4085 **Preferences Affected:** Many
4086
4087 #### Windows (GPO)
4088 Software\Policies\Mozilla\Firefox\Preferences (REG_MULTI_SZ) =
4089 ```
4090 {
4091   "accessibility.force_disabled": {
4092     "Value": 1,
4093     "Status": "default"
4094   },
4095   "browser.cache.disk.parent_directory": {
4096     "Value": "SOME_NATIVE_PATH",
4097     "Status": "user"
4098   },
4099   "browser.tabs.warnOnClose": {
4100     "Value": false,
4101     "Status": "locked"
4102   }
4103 }
4104 ```
4105 #### Windows (Intune)
4106 OMA-URI:
4107 ```
4108 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Preferences
4109 ```
4110 Value (string):
4111 ```
4112 <enabled/>
4113 <data id="JSON" value='
4114 {
4115   "accessibility.force_disabled": {
4116     "Value": 1,
4117     "Status": "default"
4118   },
4119   "browser.cache.disk.parent_directory": {
4120     "Value": "SOME_NATIVE_PATH",
4121     "Status": "user"
4122   },
4123   "browser.tabs.warnOnClose": {
4124     "Value": false,
4125     "Status": "locked"
4126   }
4127 }'/>
4128 ```
4129 #### macOS
4130 ```
4131 <dict>
4132   <key>Preferences</key>
4133   <dict>
4134     <key>accessibility.force_disabled</key>
4135     <dict>
4136       <key>Value</key>
4137       <integer>1</integer>
4138       <key>Status</key>
4139       <string>default</string>
4140     </dict>
4141     <key>browser.cache.disk.parent_directory</key>
4142     <dict>
4143       <key>Value</key>
4144       <string>SOME_NATIVE_PATH</string>
4145       <key>Status</key>
4146       <string>user</string>
4147     </dict>
4148     <key>browser.tabs.warnOnClose</key>
4149     <dict>
4150       <key>Value</key>
4151       <false/>
4152       <key>Status</key>
4153       <string>locked</string>
4154     </dict>
4155   </dict>
4156 </dict>
4157 ```
4158 #### policies.json
4159 ```
4160 {
4161   "policies": {
4162     "Preferences": {
4163       "accessibility.force_disabled": {
4164         "Value": 1,
4165         "Status": "default"
4166       },
4167       "browser.cache.disk.parent_directory": {
4168         "Value": "SOME_NATIVE_PATH",
4169         "Status": "user"
4170       },
4171       "browser.tabs.warnOnClose": {
4172         "Value": false,
4173         "Status": "locked"
4174       }
4175     }
4176   }
4177 }
4178 ```
4179 ### Preferences (Deprecated)
4180 Set and lock certain preferences.
4181
4182 **Compatibility:** See below\
4183 **CCK2 Equivalent:** `preferences`\
4184 **Preferences Affected:** See below
4185
4186 | Preference | Type | Compatibility | Default
4187 | --- | --- | --- | ---
4188 | accessibility.force_disabled | integer | Firefox 70, Firefox ESR 68.2 | 0
4189 | &nbsp;&nbsp;&nbsp;&nbsp;If set to 1, platform accessibility is disabled.
4190 | app.update.auto (Deprecated - Switch to AppAutoUpdate policy) | boolean | Firefox 68, Firefox ESR 68 | true
4191 | &nbsp;&nbsp;&nbsp;&nbsp;If false, Firefox doesn't automatically install update.
4192 | browser.bookmarks.autoExportHTML | boolean | Firefox 70, Firefox ESR 68.2 | false
4193 | &nbsp;&nbsp;&nbsp;&nbsp;If true, bookmarks are exported on shutdown.
4194 | browser.bookmarks.file | string | Firefox 70, Firefox ESR 68.2 | N/A
4195 | &nbsp;&nbsp;&nbsp;&nbsp;If set, the name of the file where bookmarks are exported and imported.
4196 | browser.bookmarks.restore_default_bookmarks | boolean | Firefox 70, Firefox ESR 68.2 | N/A
4197 | &nbsp;&nbsp;&nbsp;&nbsp;If true, bookmarks are restored to their defaults.
4198 | browser.cache.disk.enable | boolean | Firefox 68, Firefox ESR 68 | true
4199 | &nbsp;&nbsp;&nbsp;&nbsp;If false, don't store cache on the hard drive.
4200 | ~browser.cache.disk.parent_directory~ | string | Firefox 68, Firefox ESR 68 | Profile temporary directory
4201 | &nbsp;&nbsp;&nbsp;&nbsp;~If set, changes the location of the disk cache.~ This policy doesn't work. It's being worked on.
4202 | browser.fixup.dns_first_for_single_words | boolean | Firefox 68, Firefox ESR 68 | false
4203 | &nbsp;&nbsp;&nbsp;&nbsp;If true, single words are sent to DNS, not directly to search.
4204 | browser.newtabpage.activity-stream.default.sites | string | Firefox 72, ESR 68.4 | Locale dependent
4205 | &nbsp;&nbsp;&nbsp;&nbsp;If set, a list of URLs to use as the default top sites on the new tab page. Due to Firefox limitations, search sites can't be added. In addition, sites with the same name but different TLDs (example.org/example.com) will not display properly.
4206 | browser.places.importBookmarksHTML | boolean | Firefox 70, Firefox ESR 68.2
4207 | &nbsp;&nbsp;&nbsp;&nbsp;If true, bookmarks are always imported on startup.
4208 | browser.safebrowsing.phishing.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
4209 | &nbsp;&nbsp;&nbsp;&nbsp;If false, phishing protection is not enabled (Not recommended)
4210 | browser.safebrowsing.malware.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
4211 | &nbsp;&nbsp;&nbsp;&nbsp;If false, malware protection is not enabled (Not recommended)
4212 | browser.search.update | boolean | Firefox 68, Firefox ESR 68 | true
4213 | &nbsp;&nbsp;&nbsp;&nbsp;If false, updates for search engines are not checked.
4214 | browser.slowStartup.notificationDisabled | boolean | Firefox 70, Firefox ESR 68.2 | false
4215 | &nbsp;&nbsp;&nbsp;&nbsp;If true, a notification isn't shown if startup is slow.
4216 | browser.tabs.warnOnClose | boolean | Firefox 68, Firefox ESR 68 | true
4217 | &nbsp;&nbsp;&nbsp;&nbsp;If false, there is no warning when the browser is closed.
4218 | browser.taskbar.previews.enable | boolean | Firefox 70, Firefox ESR 68.2 (Windows only) | false
4219 | &nbsp;&nbsp;&nbsp;&nbsp;If true, tab previews are shown in the Windows taskbar.
4220 | browser.urlbar.suggest.bookmark | boolean | Firefox 68, Firefox ESR 68 | true
4221 | &nbsp;&nbsp;&nbsp;&nbsp;If false, bookmarks aren't suggested when typing in the URL bar.
4222 | browser.urlbar.suggest.history | boolean | Firefox 68, Firefox ESR 68 | true
4223 | &nbsp;&nbsp;&nbsp;&nbsp;If false, history isn't suggested when typing in the URL bar.
4224 | browser.urlbar.suggest.openpage | boolean | Firefox 68, Firefox ESR 68 | true
4225 | &nbsp;&nbsp;&nbsp;&nbsp;If false, open tabs aren't suggested when typing in the URL bar.
4226 | datareporting.policy.dataSubmissionPolicyBypassNotification | boolean | Firefox 68, Firefox ESR 68 | false
4227 | &nbsp;&nbsp;&nbsp;&nbsp;If true, don't show the privacy policy tab on first run.
4228 | dom.allow_scripts_to_close_windows | boolean | Firefox 70, Firefox ESR 68.2 | false
4229 | &nbsp;&nbsp;&nbsp;&nbsp;If false, web page can close windows.
4230 | dom.disable_window_flip | boolean | Firefox 68, Firefox ESR 68 | true
4231 | &nbsp;&nbsp;&nbsp;&nbsp;If false, web pages can focus and activate windows.
4232 | dom.disable_window_move_resize | boolean | Firefox 68, Firefox ESR 68 | false
4233 | &nbsp;&nbsp;&nbsp;&nbsp;If true, web pages can't move or resize windows.
4234 | dom.event.contextmenu.enabled | boolean | Firefox 68, Firefox ESR 68 | true
4235 | &nbsp;&nbsp;&nbsp;&nbsp;If false, web pages can't override context menus.
4236 | dom.keyboardevent.keypress.hack.dispatch_non_printable_keys.addl | string | Firefox 68, Firefox ESR 68 | N/A
4237 | &nbsp;&nbsp;&nbsp;&nbsp;See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
4238 | dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode.addl | string | Firefox 68, Firefox ESR 68 | N/A
4239 | &nbsp;&nbsp;&nbsp;&nbsp;See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
4240 | dom.xmldocument.load.enabled | boolean | Firefox ESR 68.5 | true.
4241 | &nbsp;&nbsp;&nbsp;&nbsp;If false, XMLDocument.load is not available.
4242 | dom.xmldocument.async.enabled | boolean | Firefox ESR 68.5 | true
4243 | &nbsp;&nbsp;&nbsp;&nbsp;If false, XMLDocument.async is not available.
4244 | extensions.blocklist.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
4245 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the extensions blocklist is not used (Not recommended)
4246 | extensions.getAddons.showPane | boolean | Firefox 68, Firefox ESR 68 | N/A
4247 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the Recommendations tab is not displayed in the Add-ons Manager.
4248 | extensions.htmlaboutaddons.recommendations.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
4249 | &nbsp;&nbsp;&nbsp;&nbsp;If false, recommendations are not shown on the Extensions tab in the Add-ons Manager.
4250 | geo.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
4251 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the geolocation API is disabled. | Language dependent
4252 | intl.accept_languages | string | Firefox 70, Firefox ESR 68.2
4253 | &nbsp;&nbsp;&nbsp;&nbsp;If set, preferred language for web pages.
4254 | media.eme.enabled (Deprecated - Switch to EncryptedMediaExtensions policy) | boolean | Firefox 70, Firefox ESR 68.2 | true
4255 | &nbsp;&nbsp;&nbsp;&nbsp;If false, Encrypted Media Extensions are not enabled.
4256 | media.gmp-gmpopenh264.enabled | boolean | Firefox 68, Firefox ESR 68 | true
4257 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the OpenH264  plugin is not downloaded.
4258 | media.gmp-widevinecdm.enabled | boolean | Firefox 68, Firefox ESR 68 | true
4259 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the Widevine plugin is not downloaded.
4260 | media.peerconnection.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
4261 | &nbsp;&nbsp;&nbsp;&nbsp;If false, WebRTC is disabled
4262 | media.peerconnection.ice.obfuscate_host_addresses.whitelist (Deprecated) | string | Firefox 72, Firefox ESR 68.4 | N/A
4263 | &nbsp;&nbsp;&nbsp;&nbsp;If set, a list of domains for which mDNS hostname obfuscation is
4264 disabled
4265 | media.peerconnection.ice.obfuscate_host_addresses.blocklist | string | Firefox 79, Firefox ESR 78.1 | N/A
4266 | &nbsp;&nbsp;&nbsp;&nbsp;If set, a list of domains for which mDNS hostname obfuscation is
4267 disabled
4268 | network.dns.disableIPv6 | boolean | Firefox 68, Firefox ESR 68 | false
4269 | &nbsp;&nbsp;&nbsp;&nbsp;If true, IPv6 DNS lokoups are disabled.
4270 | network.IDN_show_punycode | boolean | Firefox 68, Firefox ESR 68 | false
4271 | &nbsp;&nbsp;&nbsp;&nbsp;If true, display the punycode version of internationalized domain names.
4272 | places.history.enabled | boolean | Firefox 68, Firefox ESR 68 | true
4273 | &nbsp;&nbsp;&nbsp;&nbsp;If false, history is not enabled.
4274 | print.save_print_settings | boolean | Firefox 70, Firefox ESR 68.2 | true
4275 | &nbsp;&nbsp;&nbsp;&nbsp;If false, print settings are not saved between jobs.
4276 | security.default_personal_cert | string | Firefox 68, Firefox ESR 68 | Ask Every Time
4277 | &nbsp;&nbsp;&nbsp;&nbsp;If set to Select Automatically, Firefox automatically chooses the default personal certificate.
4278 | security.mixed_content.block_active_content | boolean | Firefox 70, Firefox ESR 68.2 | true
4279 | &nbsp;&nbsp;&nbsp;&nbsp;If false, mixed active content (HTTP and HTTPS) is not blocked.
4280 | security.osclientcerts.autoload | boolean | Firefox 72 (Windows), Firefox 75 (macOS)  | false
4281 | &nbsp;&nbsp;&nbsp;&nbsp;If true, client certificates are loaded from the operating system certificate store.
4282 | security.ssl.errorReporting.enabled | boolean | Firefox 68, Firefox ESR 68 | true
4283 | &nbsp;&nbsp;&nbsp;&nbsp;If false, SSL errors cannot be sent to Mozilla.
4284 | security.tls.hello_downgrade_check | boolean | Firefox 72, Firefox ESR 68.4 | true
4285 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the TLS 1.3 downgrade check is disabled.
4286 | ui.key.menuAccessKeyFocuses | boolean | Firefox 68, Firefox ESR 68 | true
4287 | &nbsp;&nbsp;&nbsp;&nbsp;If false, the Alt key doesn't show the menubar on Windows.
4288 | widget.content.gtk-theme-override | string | Firefox 72, Firefox ESR 68.4 (Linux only) | N/A
4289 | &nbsp;&nbsp;&nbsp;&nbsp;If set, overrides the GTK theme for widgets.
4290 #### Windows (GPO)
4291 ```
4292 Software\Policies\Mozilla\Firefox\Preferences\boolean_preference_name = 0x1 | 0x0
4293 Software\Policies\Mozilla\Firefox\Preferences\string_preference_name = "string_value"
4294 ```
4295 #### Windows (Intune)
4296 OMA-URI: (periods are replaced by underscores)
4297 ```
4298 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Preferences/boolean_preference_name
4299 ```
4300 Value (string):
4301 ```
4302 <enabled/> or <disabled/>
4303 ```
4304 OMA-URI: (periods are replaced by underscores)
4305 ```
4306 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Preferences/string_preference_name
4307 ```
4308 Value (string):
4309 ```
4310 <enabled/>
4311 <data id="Preferences_String" value="string_value"/>
4312 ```
4313 #### macOS
4314 ```
4315 <dict>
4316   <key>Preferences</key>
4317   <dict>
4318     <key>boolean_preference_name</key>
4319     <true/> | <false/>
4320     <key>string_preference_name</key>
4321     <string>string_value</string>
4322   </dict>
4323 </dict>
4324 ```
4325 #### policies.json
4326 ```
4327 {
4328   "policies": {
4329     "Preferences": {
4330       "boolean_preference_name": true | false,
4331       "string_preference_name": "string_value"
4332     }
4333   }
4334 }
4335 ```
4336 ### PromptForDownloadLocation
4337 Ask where to save each file before downloading.
4338
4339 **Compatibility:** Firefox 68, Firefox ESR 68\
4340 **CCK2 Equivalent:** N/A\
4341 **Preferences Affected:** `browser.download.useDownloadDir`
4342
4343 #### Windows (GPO)
4344 ```
4345 Software\Policies\Mozilla\Firefox\PromptForDownloadLocation = 0x1 | 0x0
4346 ```
4347 #### Windows (Intune)
4348 OMA-URI:
4349 ```
4350 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PromptForDownloadLocation
4351 ```
4352 Value (string):
4353 ```
4354 <enabled/> or <disabled/>
4355 ```
4356 #### macOS
4357 ```
4358 <dict>
4359   <key>PromptForDownloadLocation</key>
4360   <true/> | <false/>
4361 </dict>
4362 ```
4363 #### policies.json
4364 ```
4365 {
4366   "policies": {
4367     "PromptForDownloadLocation": true | false
4368   }
4369 }
4370 ```
4371 ### Proxy
4372 Configure proxy settings. These settings correspond to the connection settings in Firefox preferences.
4373 To specify ports, append them to the hostnames with a colon (:).
4374
4375 `Mode` is the proxy method being used.
4376
4377 `Locked` is whether or not proxy settings can be changed.
4378
4379 `HTTPProxy` is the HTTP proxy server.
4380
4381 `UseHTTPProxyForAllProtocols` is whether or not the HTTP proxy should be used for all other proxies.
4382
4383 `SSLProxy` is the SSL proxy server.
4384
4385 `FTPProxy` is the FTP proxy server.
4386
4387 `SOCKSProxy` is the SOCKS proxy server
4388
4389 `SOCKSVersion` is the SOCKS version (4 or 5)
4390
4391 `Passthrough` is list of hostnames or IP addresses that will not be proxied. Use `<local>` to bypass proxying for all hostnames which do not contain periods.
4392
4393 `AutoConfigURL` is a  URL for proxy configuration (only used if Mode is autoConfig).
4394
4395 `AutoLogin` means do not prompt for authentication if password is saved.
4396
4397 `UseProxyForDNS` to use proxy DNS when using SOCKS v5.
4398
4399 **Compatibility:** Firefox 60, Firefox ESR 60\
4400 **CCK2 Equivalent:** `networkProxy*`\
4401 **Preferences Affected:** `network.proxy.type`,`network.proxy.autoconfig_url`,`network.proxy.socks_remote_dns`,`signon.autologin.proxy`,`network.proxy.socks_version`,`network.proxy.no_proxies_on`,`network.proxy.share_proxy_settings`,`network.proxy.http`,`network.proxy.http_port`,`network.proxy.ftp`,`network.proxy.ftp_port`,`network.proxy.ssl`,`network.proxy.ssl_port`,`network.proxy.socks`,`network.proxy.socks_port`
4402
4403 #### Windows (GPO)
4404 ```
4405 Software\Policies\Mozilla\Firefox\Proxy\Mode = "none" | "system" | "manual" | "autoDetect" | "autoConfig"
4406 Software\Policies\Mozilla\Firefox\Proxy\Locked = 0x1 | 0x0
4407 Software\Policies\Mozilla\Firefox\=Proxy\HTTPProxy = https://httpproxy.example.com
4408 Software\Policies\Mozilla\Firefox\Proxy\UseHTTPProxyForAllProtocols = 0x1 | 0x0
4409 Software\Policies\Mozilla\Firefox\Proxy\SSLProxy = https://sslproxy.example.com
4410 Software\Policies\Mozilla\Firefox\Proxy\FTPProxy = https://ftpproxy.example.com
4411 Software\Policies\Mozilla\Firefox\Proxy\SOCKSProxy = https://socksproxy.example.com
4412 Software\Policies\Mozilla\Firefox\Proxy\SOCKSVersion = 0x4 | 0x5
4413 Software\Policies\Mozilla\Firefox\Proxy\Passthrough = <local>
4414 Software\Policies\Mozilla\Firefox\Proxy\AutoConfigURL = URL_TO_AUTOCONFIG
4415 Software\Policies\Mozilla\Firefox\Proxy\AutoLogin = 0x1 | 0x0
4416 Software\Policies\Mozilla\Firefox\Proxy\UseProxyForDNS = 0x1 | 0x0
4417 ```
4418 #### Windows (Intune)
4419 OMA-URI:
4420 ```
4421 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Proxy
4422 ```
4423 Value (string):
4424 ```
4425 <enabled/>
4426 <data id="ProxyLocked" value="true | false"/>
4427 <data id="ConnectionType" value="none | system | manual | autoDetect | autoConfig"/>
4428 <data id="HTTPProxy" value="https://httpproxy.example.com"/>
4429 <data id="UseHTTPProxyForAllProtocols" value="true | false"/>
4430 <data id="SSLProxy" value="https://sslproxy.example.com"/>
4431 <data id="FTPProxy" value="https://ftpproxy.example.com"/>
4432 <data id="SOCKSProxy" value="https://socksproxy.example.com"/>
4433 <data id="SOCKSVersion" value="4 | 5"/>
4434 <data id="AutoConfigURL" value="URL_TO_AUTOCONFIG"/>
4435 <data id="Passthrough" value="<local>"/>
4436 <data id="AutoLogin" value="true | false"/>
4437 <data id="UseProxyForDNS" value="true | false"/>
4438 ```
4439 #### macOS
4440 ```
4441 <dict>
4442   <key>Proxy</key>
4443   <dict>
4444     <key>Mode</key>
4445     <string>none | system | manual | autoDetect | autoConfig</string>
4446     <key>Locked</key>
4447     <true> | </false>
4448     <key>HTTPProxy</key>
4449     <string>https://httpproxy.example.com</string>
4450     <key>UseHTTPProxyForAllProtocols</key>
4451     <true> | </false>
4452     <key>SSLProxy</key>
4453     <string>https://sslproxy.example.com</string>
4454     <key>FTPProxy</key>
4455     <string>https://ftpproxy.example.com</string>
4456     <key>SOCKSProxy</key>
4457     <string>https://socksproxy.example.com</string>
4458     <key>SOCKSVersion</key>
4459     <string>4 | 5</string>
4460     <key>Passthrough</key>
4461     <string>&lt;local>&gt;</string>
4462     <key>AutoConfigURL</key>
4463     <string>URL_TO_AUTOCONFIG</string>
4464     <key>AutoLogin</key>
4465     <true> | </false>
4466     <key>UseProxyForDNS</key>
4467     <true> | </false>
4468   </dict>
4469 </dict>
4470 ```
4471 #### policies.json
4472 ```
4473 {
4474   "policies": {
4475     "Proxy": {
4476       "Mode": "none" | "system" | "manual" | "autoDetect" | "autoConfig",
4477       "Locked": true | false,
4478       "HTTPProxy": "hostname",
4479       "UseHTTPProxyForAllProtocols": true | false,
4480       "SSLProxy": "hostname",
4481       "FTPProxy": "hostname",
4482       "SOCKSProxy": "hostname",
4483       "SOCKSVersion": 4 | 5,
4484       "Passthrough": "<local>",
4485       "AutoConfigURL": "URL_TO_AUTOCONFIG",
4486       "AutoLogin": true | false,
4487       "UseProxyForDNS": true | false
4488     }
4489   }
4490 }
4491 ```
4492 ### RequestedLocales
4493 Set the the list of requested locales for the application in order of preference. It will cause the corresponding language pack to become active.
4494
4495 Note: For Firefox 68, this can now be a string so that you can specify an empty value.
4496
4497 **Compatibility:** Firefox 64, Firefox ESR 60.4, Updated in Firefox 68, Firefox ESR 68\
4498 **CCK2 Equivalent:** N/A\
4499 **Preferences Affected:** N/A
4500 #### Windows (GPO)
4501 ```
4502 Software\Policies\Mozilla\Firefox\RequestedLocales\1 = "de"
4503 Software\Policies\Mozilla\Firefox\RequestedLocales\2 = "en-US"
4504
4505 or
4506
4507 Software\Policies\Mozilla\Firefox\RequestedLocales = "de,en-US"
4508 ```
4509 #### Windows (Intune)
4510 OMA-URI:
4511 ```
4512 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/RequestedLocalesString
4513 ```
4514 Value (string):
4515 ```
4516 <enabled/>
4517 <data id="Preferences_String" value="de,en-US"/>
4518 ```
4519 #### macOS
4520 ```
4521 <dict>
4522   <key>RequestedLocales</key>
4523   <array>
4524     <string>de</string>
4525     <string>en-US</string>
4526   </array>
4527 </dict>
4528
4529 or
4530
4531 <dict>
4532   <key>RequestedLocales</key>
4533   <string>de,en-US</string>
4534 </dict>
4535
4536 ```
4537 #### policies.json
4538 ```
4539 {
4540   "policies": {
4541     "RequestedLocales": ["de", "en-US"]
4542   }
4543 }
4544
4545 or
4546
4547 {
4548   "policies": {
4549     "RequestedLocales": "de,en-US"
4550   }
4551 }
4552 ```
4553 <a name="SanitizeOnShutdown"></a>
4554
4555 ### SanitizeOnShutdown (Selective)
4556 Clear data on shutdown. Choose from Cache, Cookies, Download History, Form & Search History, Browsing History, Active Logins, Site Preferences and Offline Website Data.
4557
4558 Previously, these values were always locked. Starting with Firefox 74 and Firefox ESR 68.6, you can use the `Locked` option to either keep the values unlocked (set it to false), or lock only the values you set (set it to true). If you want the old behavior of locking everything, do not set `Locked` at all.
4559
4560 **Compatibility:** Firefox 68, Firefox ESR 68 (Locked added in 74/68.6)\
4561 **CCK2 Equivalent:** N/A\
4562 **Preferences Affected:** `privacy.sanitize.sanitizeOnShutdown`,`privacy.clearOnShutdown.cache`,`privacy.clearOnShutdown.cookies`,`privacy.clearOnShutdown.downloads`,`privacy.clearOnShutdown.formdata`,`privacy.clearOnShutdown.history`,`privacy.clearOnShutdown.sessions`,`privacy.clearOnShutdown.siteSettings`,`privacy.clearOnShutdown.offlineApps`
4563 #### Windows (GPO)
4564 ```
4565 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cache = 0x1 | 0x0
4566 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cookies = 0x1 | 0x0
4567 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Downloads = 0x1 | 0x0
4568 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\FormData = 0x1 | 0x0
4569 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\History = 0x1 | 0x0
4570 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Sessions = 0x1 | 0x0
4571 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\SiteSettings = 0x1 | 0x0
4572 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\OfflineApps = 0x1 | 0x0
4573 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Locked = 0x1 | 0x0
4574 ```
4575 #### Windows (Intune)
4576 OMA-URI:
4577 ```
4578 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/A_SanitizeOnShutdown_Cache
4579 ```
4580 Value (string):
4581 ```
4582 <enabled/> or <disabled/>
4583 ```
4584 OMA-URI:
4585 ```
4586 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/B_SanitizeOnShutdown_Cookies
4587 ```
4588 Value (string):
4589 ```
4590 <enabled/> or <disabled/>
4591 ```
4592 OMA-URI:
4593 ```
4594 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/C_SanitizeOnShutdown_Downloads
4595 ```
4596 Value (string):
4597 ```
4598 <enabled/> or <disabled/>
4599 ```
4600 OMA-URI:
4601 ```
4602 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/D_SanitizeOnShutdown_FormData
4603 ```
4604 Value (string):
4605 ```
4606 <enabled/> or <disabled/>
4607 ```
4608 OMA-URI:
4609 ```
4610 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/E_SanitizeOnShutdown_History
4611 ```
4612 Value (string):
4613 ```
4614 <enabled/> or <disabled/>
4615 ```
4616 OMA-URI:
4617 ```
4618 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/F_SanitizeOnShutdown_Sessions
4619 ```
4620 Value (string):
4621 ```
4622 <enabled/> or <disabled/>
4623 ```
4624 OMA-URI:
4625 ```
4626 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/G_SanitizeOnShutdown_SiteSettings
4627 ```
4628 Value (string):
4629 ```
4630 <enabled/> or <disabled/>
4631 ```
4632 OMA-URI:
4633 ```
4634 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/H_SanitizeOnShutdown_OfflineApps
4635 ```
4636 Value (string):
4637 ```
4638 <enabled/> or <disabled/>
4639 ```
4640 OMA-URI:
4641 ```
4642 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/I_SanitizeOnShutdown_Locked
4643 ```
4644 Value (string):
4645 ```
4646 <enabled/> or <disabled/>
4647 ```
4648 #### macOS
4649 ```
4650 <dict>
4651   <key>SanitizeOnShutdown</key>
4652   <dict>
4653     <key>Cache</key>
4654     <true/> | <false/>
4655     <key>Cookies</key>
4656     <true/> | <false/>
4657     <key>Downloads</key>
4658     <true/> | <false/>
4659     <key>FormData</key>
4660     <true/> | <false/>
4661     <key>History</key>
4662     <true/> | <false/>
4663     <key>Sessions</key>
4664     <true/> | <false/>
4665     <key>SiteSettings</key>
4666     <true/> | <false/>
4667     <key>OfflineApps</key>
4668     <true/> | <false/>
4669     <key>Locked</key>
4670     <true/> | <false/>
4671   </dict>
4672 </dict>
4673 ```
4674 #### policies.json
4675 ```
4676 {
4677   "policies": {
4678     "SanitizeOnShutdown": {
4679       "Cache": true | false,
4680       "Cookies": true | false,
4681       "Downloads": true | false,
4682       "FormData": true | false,
4683       "History": true | false,
4684       "Sessions": true | false,
4685       "SiteSettings": true | false,
4686       "OfflineApps": true | false,
4687       "Locked": true | false
4688     }
4689   }
4690 }
4691 ```
4692 ### SanitizeOnShutdown (All)
4693 Clear all data on shutdown, including Browsing & Download History, Cookies, Active Logins, Cache, Form & Search History, Site Preferences and Offline Website Data.
4694
4695 **Compatibility:** Firefox 60, Firefox ESR 60\
4696 **CCK2 Equivalent:** N/A\
4697 **Preferences Affected:** `privacy.sanitize.sanitizeOnShutdown`,`privacy.clearOnShutdown.cache`,`privacy.clearOnShutdown.cookies`,`privacy.clearOnShutdown.downloads`,`privacy.clearOnShutdown.formdata`,`privacy.clearOnShutdown.history`,`privacy.clearOnShutdown.sessions`,`privacy.clearOnShutdown.siteSettings`,`privacy.clearOnShutdown.offlineApps`
4698 #### Windows (GPO)
4699 ```
4700 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown = 0x1 | 0x0
4701 ```
4702 #### Windows (Intune)
4703 OMA-URI:
4704 ```
4705 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/C_SanitizeOnShutdown
4706 ```
4707 Value (string):
4708 ```
4709 <enabled/> or <disabled/>
4710 ```
4711 #### macOS
4712 ```
4713 <dict>
4714   <key>SanitizeOnShutdown</key>
4715   <true/> | <false/>
4716 </dict>
4717 ```
4718 #### policies.json
4719 ```
4720 {
4721   "policies": {
4722     "SanitizeOnShutdown": true | false
4723   }
4724 }
4725 ```
4726 ### SearchBar
4727 Set whether or not search bar is displayed.
4728
4729 **Compatibility:** Firefox 60, Firefox ESR 60\
4730 **CCK2 Equivalent:** `showSearchBar`\
4731 **Preferences Affected:** N/A
4732
4733 #### Windows (GPO)
4734 ```
4735 Software\Policies\Mozilla\Firefox\SearchBar = "unified" | "separate"
4736 ```
4737
4738 #### Windows (Intune)
4739 OMA-URI:
4740 ```
4741 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SearchBar
4742 ```
4743 Value (string):
4744 ```
4745 <enabled/>
4746 <data id="Permissions" value="unified | separate"/>
4747 ```
4748 #### macOS
4749 ```
4750 <dict>
4751   <key>SearchBar</key>
4752   <string>unified | separate</string>
4753 </dict>
4754 ```
4755 #### policies.json
4756 ```
4757 {
4758   "policies": {
4759     "SearchBar": "unified" | "separate"
4760   }
4761 }
4762 ```
4763 <a name="SearchEngines"></a>
4764
4765 ### SearchEngines (This policy is only available on the ESR.)
4766
4767 ### SearchEngines | Default
4768
4769 Set the default search engine. This policy is only available on the ESR.
4770
4771 **Compatibility:** Firefox ESR 60\
4772 **CCK2 Equivalent:** `defaultSearchEngine`\
4773 **Preferences Affected:** N/A
4774
4775 #### Windows (GPO)
4776 ```
4777 Software\Policies\Mozilla\Firefox\SearchEngines\Default = NAME_OF_SEARCH_ENGINE
4778 ```
4779 #### Windows (Intune)
4780 OMA-URI:
4781 ```
4782 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_Default
4783 ```
4784 Value (string):
4785 ```
4786 <enabled/>
4787 <data id="SearchEngines_Default" value="NAME_OF_SEARCH_ENGINE"/>
4788 ```
4789 #### macOS
4790 ```
4791 <dict>
4792   <key>SearchEngines</key>
4793   <dict>
4794     <key>Default</key>
4795     <string>NAME_OF_SEARCH_ENGINE</string>
4796   </dict>
4797 </dict>
4798 ```
4799 #### policies.json
4800 ```
4801 {
4802   "policies": {
4803     "SearchEngines": {
4804       "Default": "NAME_OF_SEARCH_ENGINE"
4805     }
4806   }
4807 }
4808 ```
4809 ### SearchEngines | PreventInstalls
4810
4811 Prevent installing search engines from webpages.
4812
4813 **Compatibility:** Firefox ESR 60\
4814 **CCK2 Equivalent:** `disableSearchEngineInstall`\
4815 **Preferences Affected:** N/A
4816
4817 #### Windows (GPO)
4818 ```
4819 Software\Policies\Mozilla\Firefox\SearchEngines\PreventInstalls = 0x1 | 0x0
4820 ```
4821 #### Windows (Intune)
4822 OMA-URI:
4823 ```
4824 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_PreventInstalls
4825 ```
4826 Value (string):
4827 ```
4828 <enabled/> or <disabled/>
4829 ```
4830 #### macOS
4831 ```
4832 <dict>
4833   <key>SearchEngines</key>
4834   <dict>
4835     <key>PreventInstalls</key>
4836     <true/> | <false/>
4837   </dict>
4838 </dict>
4839 ```
4840 #### policies.json
4841 ```
4842 {
4843   "policies": {
4844     "SearchEngines": {
4845       "PreventInstalls": true | false
4846     }
4847   }
4848 }
4849 ```
4850 ### SearchEngines | Remove
4851
4852 Hide built-in search engines. This policy is only available on the ESR.
4853
4854 **Compatibility:** Firefox ESR 60.2\
4855 **CCK2 Equivalent:** `removeDefaultSearchEngines` (removed all built-in engines)\
4856 **Preferences Affected:** N/A
4857
4858 #### Windows (GPO)
4859 ```
4860 Software\Policies\Mozilla\Firefox\SearchEngines\Remove\1 = NAME_OF_SEARCH_ENGINE
4861 ```
4862 #### Windows (Intune)
4863 OMA-URI:
4864 ```
4865 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_Remove
4866 ```
4867 Value (string):
4868 ```
4869 <enabled/>
4870 <data id="SearchEngines_Remove" value="1&#xF000;NAME_OF_SEARCH_ENGINE"/>
4871 ```
4872 #### macOS
4873 ```
4874 <dict>
4875   <key>SearchEngines</key>
4876   <dict>
4877     <key>Remove</key>
4878     <array>
4879       <string>NAME_OF_SEARCH_ENGINE</string>
4880     </array>
4881   </dict>
4882 </dict>
4883 ```
4884 #### policies.json
4885 ```
4886 {
4887   "policies": {
4888     "SearchEngines": {
4889       "Remove": ["NAME_OF_SEARCH_ENGINE"]
4890     }
4891   }
4892 }
4893 ```
4894 ### SearchEngines | Add
4895
4896 Add new search engines (up to five). This policy is only available on the ESR. `Name` and `URLTemplate` are required.
4897
4898 `Name` is the name of the search engine.
4899
4900 `URLTemplate` is the search URL with {searchTerms} to substitute for the search term.
4901
4902 `Method` is either GET or POST
4903
4904 `IconURL` is a URL for the icon to use.
4905
4906 `Alias` is a keyword to use for the engine.
4907
4908 `Description` is a description of the search engine.
4909
4910 `PostData` is the POST data as name value pairs separated by &.
4911
4912 `SuggestURLTemplate` is a search suggestions URL with {searchTerms} to substitute for the search term.
4913
4914 **Compatibility:** Firefox ESR 60 (POST support in Firefox ESR 68)\
4915 **CCK2 Equivalent:** `searchplugins`\
4916 **Preferences Affected:** N/A
4917
4918 #### Windows (GPO)
4919 ```
4920 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Name = "Example1"
4921 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\URLTemplate = "https://www.example.org/q={searchTerms}"
4922 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Method = "GET" | "POST"
4923 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\IconURL = "https://www.example.org/favicon.ico"
4924 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Alias = "example"
4925 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Description = "Example Description"
4926 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\SuggestURLTemplate = "https://www.example.org/suggestions/q={searchTerms}"
4927 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\PostData = "name=value&q={searchTerms}"
4928 ```
4929 #### Windows (Intune)
4930 OMA-URI:
4931 ```
4932 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_1
4933 ```
4934 Value (string):
4935 ```
4936 <enabled/>
4937 <data id="SearchEngine_Name" value="Example1"/>
4938 <data id="SearchEngine_URLTemplate" value="https://www.example.org/q={searchTerms"/>
4939 <data id="SearchEngine_Method" value="GET | POST"/>
4940 <data id="SearchEngine_IconURL" value="https://www.example.org/favicon.ico"/>
4941 <data id="SearchEngine_Alias" value="example"/>
4942 <data id="SearchEngine_Description" value="Example Description"/>
4943 <data id="SearchEngine_SuggestURLTemplate" value="https://www.example.org/suggestions/q={searchTerms}"/>
4944 <data id="SearchEngine_PostData" value="name=value&amp;q={searchTerms}"/>
4945 ```
4946 #### macOS
4947 ```
4948 <dict>
4949   <key>SearchEngines</key>
4950   <dict>
4951     <key>Add</key>
4952     <array>
4953       <dict>
4954         <key>Name</key>
4955         <string>Example1</string>
4956         <key>URLTemplate</key>
4957         <string>https://www.example.org/q={searchTerms}</string>
4958         <key>Method</key>
4959         <string>GET | POST </string>
4960         <key>IconURL</key>
4961         <string>https://www.example.org/favicon.ico</string>
4962         <key>Alias</key>
4963         <string>example</string>
4964         <key>Description</key>
4965         <string>Example Description</string>
4966         <key>SuggestURLTemplate</key>
4967         <string>https://www.example.org/suggestions/q={searchTerms}</string>
4968         <key>PostData</key>
4969         <string>name=value&q={searchTerms}</string>
4970       </dict>
4971     <array>
4972   </dict>
4973 </dict>
4974 ```
4975 #### policies.json
4976 ```
4977 {
4978   "policies": {
4979     "SearchEngines": {
4980       "Add": [
4981         {
4982           "Name": "Example1",
4983           "URLTemplate": "https://www.example.org/q={searchTerms}",
4984           "Method": "GET" | "POST",
4985           "IconURL": "https://www.example.org/favicon.ico",
4986           "Alias": "example",
4987           "Description": "Description",
4988           "PostData": "name=value&q={searchTerms}",
4989           "SuggestURLTemplate": "https://www.example.org/suggestions/q={searchTerms}"
4990         }
4991       ]
4992     }
4993   }
4994 }
4995 ```
4996 ### SearchSuggestEnabled
4997
4998 Enable search suggestions.
4999
5000 **Compatibility:** Firefox 68, Firefox ESR 68\
5001 **CCK2 Equivalent:** N/A\
5002 **Preferences Affected:** `browser.urlbar.suggest.searches`,`browser.search.suggest.enabled`
5003
5004 #### Windows (GPO)
5005 ```
5006 Software\Policies\Mozilla\Firefox\SearchSuggestEnabled = 0x1 | 0x0
5007 ```
5008 #### Windows (Intune)
5009 OMA-URI:
5010 ```
5011 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchSuggestEnabled
5012 ```
5013 Value (string):
5014 ```
5015 <enabled/> or <disabled/>
5016 ```
5017 #### macOS
5018 ```
5019 <dict>
5020   <key>SearchSuggestEnabled</key>
5021   <true/> | <false/>
5022 </dict>
5023 ```
5024 #### policies.json
5025 ```
5026 {
5027   "policies": {
5028     "SearchSuggestEnabled": true | false
5029   }
5030 }
5031 ```
5032 ### SecurityDevices
5033
5034 Install PKCS #11 modules.
5035
5036 **Compatibility:** Firefox 64, Firefox ESR 60.4\
5037 **CCK2 Equivalent:** `certs.devices`\
5038 **Preferences Affected:** N/A
5039
5040 #### Windows (GPO)
5041 ```
5042 Software\Policies\Mozilla\Firefox\SecurityDevices\NAME_OF_DEVICE = PATH_TO_LIBRARY_FOR_DEVICE
5043 ```
5044 #### Windows (Intune)
5045 OMA-URI:
5046 ```
5047 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SecurityDevices
5048 ```
5049 Value (string):
5050 ```
5051 <enabled/>
5052 <data id="SecurityDevices" value="NAME_OF_DEVICE&#xF000;PATH_TO_LIBRARY_FOR_DEVICE"/>
5053 ```
5054 #### macOS
5055 ```
5056 <dict>
5057   <key>SecurityDevices</key>
5058   <dict>
5059     <key>NAME_OF_DEVICE</key>
5060     <string>PATH_TO_LIBRARY_FOR_DEVICE</string>
5061   </dict>
5062 </dict>
5063 ```
5064
5065 #### policies.json
5066 ```
5067 {
5068   "policies": {
5069     "SecurityDevices": {
5070       "NAME_OF_DEVICE": "PATH_TO_LIBRARY_FOR_DEVICE"
5071     }
5072   }
5073 }
5074 ```
5075 ### ShowHomeButton
5076 Show the home button on the toolbar.
5077
5078 Future versions of Firefox will not show the home button by default.
5079
5080 **Compatibility:** Firefox 88, Firefox ESR 78.10\
5081 **CCK2 Equivalent:** N/A\
5082 **Preferences Affected:** N/A
5083
5084 #### Windows (GPO)
5085 ```
5086 Software\Policies\Mozilla\Firefox\ShowHomeButton = 0x1 | 0x0
5087 ```
5088 #### Windows (Intune)
5089 OMA-URI:
5090 ```
5091 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ShowHomeButton
5092 ```
5093 Value (string):
5094 ```
5095 <enabled/> or <disabled/>
5096 ```
5097 #### macOS
5098 ```
5099 <dict>
5100   <key>ShowHomeButton</key>
5101   <true/> | <false/>
5102 </dict>
5103 ```
5104 #### policies.json
5105 ```
5106 {
5107   "policies": {
5108     "ShowHomeButton": true | false
5109   }
5110 }
5111 ```
5112 ### SSLVersionMax
5113
5114 Set and lock the maximum version of TLS.
5115
5116 **Compatibility:** Firefox 66, Firefox ESR 60.6\
5117 **CCK2 Equivalent:** N/A\
5118 **Preferences Affected:** `security.tls.version.max`
5119
5120 #### Windows (GPO)
5121 ```
5122 Software\Policies\Mozilla\Firefox\SSLVersionMax = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5123 ```
5124 #### Windows (Intune)
5125 OMA-URI:
5126 ```
5127 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SSLVersionMax
5128 ```
5129 Value (string):
5130 ```
5131 <enabled/>
5132 <data id="SSLVersion" value="tls1 | tls1.2 | tls1.3"/>
5133 ```
5134 #### macOS
5135 ```
5136 <dict>
5137   <key>SSLVersionMax</key>
5138   <string>tls1 | tls1.1 | tls1.2 | tls1.3</string>
5139 </dict>
5140 ```
5141
5142 #### policies.json
5143 ```
5144 {
5145   "policies": {
5146     "SSLVersionMax": "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5147   }
5148 }
5149 ```
5150 ### SSLVersionMin
5151
5152 Set and lock the minimum version of TLS.
5153
5154 **Compatibility:** Firefox 66, Firefox ESR 60.6\
5155 **CCK2 Equivalent:** N/A\
5156 **Preferences Affected:** `security.tls.version.min`
5157
5158 #### Windows (GPO)
5159 ```
5160 Software\Policies\Mozilla\Firefox\SSLVersionMin = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5161 ```
5162 #### Windows (Intune)
5163 OMA-URI:
5164 ```
5165 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SSLVersionMin
5166 ```
5167 Value (string):
5168 ```
5169 <enabled/>
5170 <data id="SSLVersion" value="tls1 | tls1.2 | tls1.3"/>
5171 ```
5172 #### macOS
5173 ```
5174 <dict>
5175   <key>SSLVersionMin</key>
5176   <string>tls1 | tls1.1 | tls1.2 | tls1.3</string>
5177 </dict>
5178 ```
5179
5180 #### policies.json
5181 ```
5182 {
5183   "policies": {
5184     "SSLVersionMin": "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5185   }
5186 }
5187 ```
5188 ### SupportMenu
5189 Add a menuitem to the help menu for specifying support information.
5190
5191 **Compatibility:** Firefox 68.0.1, Firefox ESR 68.0.1\
5192 **CCK2 Equivalent:** helpMenu\
5193 **Preferences Affected:** N/A
5194
5195 #### Windows (GPO)
5196 ```
5197 Software\Policies\Mozilla\Firefox\SupportMenu\Title = "Support Menu"
5198 Software\Policies\Mozilla\Firefox\SupportMenu\URL = "http://example.com/support"
5199 Software\Policies\Mozilla\Firefox\SupportMenu\AccessKey = "S"
5200 ```
5201 #### Windows (Intune)
5202 OMA-URI:
5203 ```
5204 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SupportMenu
5205 ```
5206 Value (string):
5207 ```
5208 <enabled/>
5209 <data id="SupportMenuTitle" value="Support Menu"/>
5210 <data id="SupportMenuURL" value="http://example.com/support"/>
5211 <data id="SupportMenuAccessKey" value="S">
5212 ```
5213 #### macOS
5214 ```
5215 <dict>
5216   <key>SupportMenu</key>
5217   <dict>
5218     <key>Title</key>
5219     <string>SupportMenu</string>
5220     <key>URL</key>
5221     <string>http://example.com/support</string>
5222     <key>AccessKey</key>
5223     <string>S</string>
5224   </dict>
5225 </dict>
5226 ```
5227 #### policies.json
5228 ```
5229 {
5230   "policies": {
5231     "SupportMenu": {
5232       "Title": "Support Menu",
5233       "URL": "http://example.com/support",
5234       "AccessKey": "S"
5235     }
5236   }
5237 }
5238 ```
5239 ### UserMessaging
5240
5241 Prevent Firefox from messaging the user in certain situations.
5242
5243 `WhatsNew` Remove the "What's New" icon and menuitem.
5244
5245 `ExtensionRecommendations` If false, don't recommend extensions while the user is visiting web pages.
5246
5247 `FeatureRecommendations` IF false, don't recommend browser features.
5248
5249 `UrlbarInterventions` If false, Don't offer Firefox specific suggestions in the URL bar.
5250
5251 `SkipOnboarding` If true, don't show onboarding messages on the new tab page.
5252
5253 **Compatibility:** Firefox 75, Firefox ESR 68.7\
5254 **CCK2 Equivalent:** N/A\
5255 **Preferences Affected:** `browser.messaging-system.whatsNewPanel.enabled`,`browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons`,`browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features`,`browser.aboutwelcome.enabled`
5256
5257 #### Windows (GPO)
5258 ```
5259 Software\Policies\Mozilla\Firefox\UserMessaging\WhatsNew = 0x1 | 0x0
5260 Software\Policies\Mozilla\Firefox\UserMessaging\ExtensionRecommendations = 0x1 | 0x0
5261 Software\Policies\Mozilla\Firefox\UserMessaging\FeatureRecommendations = 0x1 | 0x0
5262 Software\Policies\Mozilla\Firefox\UserMessaging\UrlbarInterventions = 0x1 | 0x0
5263 Software\Policies\Mozilla\Firefox\UserMessaging\SkipOnboarding = 0x1 | 0x0
5264 ```
5265 #### Windows (Intune)
5266 OMA-URI:
5267 ```
5268 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_WhatsNew
5269 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_ExtensionRecommendations
5270 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_FeatureRecommendations
5271 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_UrlbarInterventions
5272 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_SkipOnboarding
5273 ```
5274 Value (string):
5275 ```
5276 <enabled/> or <disabled/>
5277 ```
5278 #### macOS
5279 ```
5280 <dict>
5281   <key>UserMessaging</key>
5282   <dict>
5283     <key>WhatsNew</key>
5284     <true/> | <false/>
5285     <key>ExtensionRecommendations</key>
5286     <true/> | <false/>
5287     <key>FeatureRecommendations</key>
5288     <true/> | <false/>
5289     <key>UrlbarInterventions</key>
5290     <true/> | <false/>
5291     <key>SkipOnboarding</key>
5292     <true/> | <false/>
5293   </dict>
5294 </dict>
5295 ```
5296 #### policies.json
5297 ```
5298 {
5299   "policies": {
5300     "UserMessaging": {
5301       "WhatsNew": true | false,
5302       "ExtensionRecommendations": true | false,
5303       "FeatureRecommendations": true | false,
5304       "UrlbarInterventions": true | false
5305       "SkipOnboarding": true | false
5306     }
5307   }
5308 }
5309 ```
5310 ### WebsiteFilter
5311 Block websites from being visited. The parameters take an array of Match Patterns, as documented in https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Match_patterns.
5312 The arrays are limited to 1000 entries each.
5313
5314 As of Firefox 83 and Firefox ESR 78.5, file URLs are supported.
5315
5316 **Compatibility:** Firefox 60, Firefox ESR 60\
5317 **CCK2 Equivalent:** N/A\
5318 **Preferences Affected:** N/A
5319
5320 #### Windows (GPO)
5321 ```
5322 Software\Policies\Mozilla\Firefox\WebsiteFilter\Block\1 = "<all_urls>"
5323 Software\Policies\Mozilla\Firefox\WebsiteFilter\Exceptions\1 = "http://example.org/*"
5324 ```
5325 #### Windows (Intune)
5326 OMA-URI:
5327 ```
5328 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/B_WebsiteFilter_Block
5329 ```
5330 Value (string):
5331 ```
5332 <enabled/>
5333 <data id="WebsiteFilter" value="1&#xF000;<all_urls>"/>
5334 ```
5335 OMA-URI:
5336 ```
5337 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/B_WebsiteFilter_Exceptions
5338 ```
5339 Value (string):
5340 ```
5341 <enabled/>
5342 <data id="WebsiteFilter" value="1&#xF000;http://example.org/*"/>
5343 ```
5344 #### macOS
5345 ```
5346 <dict>
5347   <key>WebsiteFilter</key>
5348   <dict>
5349     <key>Block</key>
5350     <array>
5351       <string><all_urls></string>
5352     </array>
5353     <key>Exceptions</key>
5354     <array>
5355       <string>http://example.org/*</string>
5356     </array>
5357   </dict>
5358
5359 </dict>
5360 ```
5361 #### policies.json
5362 ```
5363 {
5364   "policies": {
5365     "WebsiteFilter": {
5366       "Block": ["<all_urls>"],
5367       "Exceptions": ["http://example.org/*"]
5368     }
5369   }
5370 }
5371 ```