1 Firefox 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`.
3 Unfortunately, JSON files do not support comments, but you can add extra entries to the JSON to use as comments. You will see an error in about:policies, but the policies will still work properly. For example:
9 "SPNEGO": ["mydomain.com", "https://myotherdomain.com"]
11 "Authentication_Comment": "These domains are required for us"
16 | Policy Name | Description
18 | **[`3rdparty`](#3rdparty)** | Set policies that WebExtensions can access via chrome.storage.managed.
19 | **[`AllowedDomainsForApps`](#alloweddomainsforapps)** | Define domains allowed to access Google Workspace.
20 | **[`AppAutoUpdate`](#appautoupdate)** | Enable or disable automatic application update.
21 | **[`AppUpdatePin`](#appupdatepin)** | Prevent Firefox from being updated beyond the specified version.
22 | **[`AppUpdateURL`](#appupdateurl)** | Change the URL for application update.
23 | **[`Authentication`](#authentication)** | Configure sites that support integrated authentication.
24 | **[`AutoLaunchProtocolsFromOrigins`](#autolaunchprotocolsfromorigins)** | Define a list of external protocols that can be used from listed origins without prompting the user.
25 | **[`BackgroundAppUpdate`](#backgroundappupdate)** | Enable or disable the background updater (Windows only).
26 | **[`BlockAboutAddons`](#blockaboutaddons)** | Block access to the Add-ons Manager (about:addons).
27 | **[`BlockAboutConfig`](#blockaboutconfig)** | Block access to about:config.
28 | **[`BlockAboutProfiles`](#blockaboutprofiles)** | Block access to About Profiles (about:profiles).
29 | **[`BlockAboutSupport`](#blockaboutsupport)** | Block access to Troubleshooting Information (about:support).
30 | **[`Bookmarks`](#bookmarks)** | Add bookmarks in either the bookmarks toolbar or menu.
31 | **[`CaptivePortal`](#captiveportal)** | Enable or disable the detection of captive portals.
32 | **[`Certificates`](#certificates)** |
33 | **[`Certificates -> ImportEnterpriseRoots`](#certificates--importenterpriseroots)** | Trust certificates that have been added to the operating system certificate store by a user or administrator.
34 | **[`Certificates -> Install`](#certificates--install)** | Install certificates into the Firefox certificate store.
35 | **[`Containers`](#containers)** | Set policies related to [containers](https://addons.mozilla.org/firefox/addon/multi-account-containers/).
36 | **[`Cookies`](#cookies)** | Configure cookie preferences.
37 | **[`DefaultDownloadDirectory`](#defaultdownloaddirectory)** | Set the default download directory.
38 | **[`DisableAppUpdate`](#disableappupdate)** | Turn off application updates.
39 | **[`DisableBuiltinPDFViewer`](#disablebuiltinpdfviewer)** | Disable the built in PDF viewer.
40 | **[`DisabledCiphers`](#disabledciphers)** | Disable ciphers.
41 | **[`DisableDefaultBrowserAgent`](#disabledefaultbrowseragent)** | Prevent the default browser agent from taking any actions (Windows only).
42 | **[`DisableDeveloperTools`](#disabledevelopertools)** | Remove access to all developer tools.
43 | **[`DisableFeedbackCommands`](#disablefeedbackcommands)** | Disable the menus for reporting sites.
44 | **[`DisableFirefoxAccounts`](#disablefirefoxaccounts)** | Disable Firefox Accounts integration (Sync).
45 | **[`DisableFirefoxScreenshots`](#disablefirefoxscreenshots)** | Remove access to Firefox Screenshots.
46 | **[`DisableFirefoxStudies`](#disablefirefoxstudies)** | Disable Firefox studies (Shield).
47 | **[`DisableForgetButton`](#disableforgetbutton)** | Disable the "Forget" button.
48 | **[`DisableFormHistory`](#disableformhistory)** | Turn off saving information on web forms and the search bar.
49 | **[`DisableMasterPasswordCreation`](#disablemasterpasswordcreation)** | Remove the master password functionality.
50 | **[`DisablePasswordReveal`](#disablepasswordreveal)** | Do not allow passwords to be revealed in saved logins.
51 | **[`DisablePocket`](#disablepocket)** | Remove Pocket in the Firefox UI.
52 | **[`DisablePrivateBrowsing`](#disableprivatebrowsing)** | Remove access to private browsing.
53 | **[`DisableProfileImport`](#disableprofileimport)** | Disables the "Import data from another browser" option in the bookmarks window.
54 | **[`DisableProfileRefresh`](#disableprofilerefresh)** | Disable the Refresh Firefox button on about:support and support.mozilla.org
55 | **[`DisableSafeMode`](#disablesafemode)** | Disable safe mode within the browser.
56 | **[`DisableSecurityBypass`](#disablesecuritybypass)** | Prevent the user from bypassing security in certain cases.
57 | **[`DisableSetDesktopBackground`](#disablesetdesktopbackground)** | Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
58 | **[`DisableSystemAddonUpdate`](#disablesystemaddonupdate)** | Prevent system add-ons from being installed or updated.
59 | **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
60 | **[`DisableThirdPartyModuleBlocking`](#disablethirdpartymoduleblocking)** | Do not allow blocking third-party modules.
61 | **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
62 | **[`DisplayMenuBar`](#displaymenubar)** | Set the state of the menubar.
63 | **[`DNSOverHTTPS`](#dnsoverhttps)** | Configure DNS over HTTPS.
64 | **[`DontCheckDefaultBrowser`](#dontcheckdefaultbrowser)** | Don't check if Firefox is the default browser at startup.
65 | **[`DownloadDirectory`](#downloaddirectory)** | Set and lock the download directory.
66 | **[`EnableTrackingProtection`](#enabletrackingprotection)** | Configure tracking protection.
67 | **[`EncryptedMediaExtensions`](#encryptedmediaextensions)** | Enable or disable Encrypted Media Extensions and optionally lock it.
68 | **[`EnterprisePoliciesEnabled`](#enterprisepoliciesenabled)** | Enable policy support on macOS.
69 | **[`ExemptDomainFileTypePairsFromFileTypeDownloadWarnings`](#exemptdomainfiletypepairsfromfiletypedownloadwarnings)** | Disable warnings based on file extension for specific file types on domains.
70 | **[`Extensions`](#extensions)** | Control the installation, uninstallation and locking of extensions.
71 | **[`ExtensionSettings`](#extensionsettings)** | Manage all aspects of extensions.
72 | **[`ExtensionUpdate`](#extensionupdate)** | Control extension updates.
73 | **[`FirefoxHome`](#firefoxhome)** | Customize the Firefox Home page.
74 | **[`FirefoxSuggest`](#firefoxsuggest)** | Customize Firefox Suggest.
75 | **[`GoToIntranetSiteForSingleWordEntryInAddressBar`](#gotointranetsiteforsinglewordentryinaddressbar)** | Force direct intranet site navigation instead of searching when typing single word entries in the address bar.
76 | **[`Handlers`](#handlers)** | Configure default application handlers.
77 | **[`HardwareAcceleration`](#hardwareacceleration)** | Control hardware acceleration.
78 | **[`Homepage`](#homepage)** | Configure the default homepage and how Firefox starts.
79 | **[`InstallAddonsPermission`](#installaddonspermission)** | Configure the default extension install policy as well as origins for extension installs are allowed.
80 | **[`LegacyProfiles`](#legacyprofiles)** | Disable the feature enforcing a separate profile for each installation.
81 | **[`LegacySameSiteCookieBehaviorEnabled`](#legacysamesitecookiebehaviorenabled)** | Enable default legacy SameSite cookie behavior setting.
82 | **[`LegacySameSiteCookieBehaviorEnabledForDomainList`](#legacysamesitecookiebehaviorenabledfordomainlist)** | Revert to legacy SameSite behavior for cookies on specified sites.
83 | **[`LocalFileLinks`](#localfilelinks)** | Enable linking to local files by origin.
84 | **[`ManagedBookmarks`](#managedbookmarks)** | Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
85 | **[`ManualAppUpdateOnly`](#manualappupdateonly)** | Allow manual updates only and do not notify the user about updates.
86 | **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
87 | **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
88 | **[`NoDefaultBookmarks`](#nodefaultbookmarks)** | Disable the creation of default bookmarks.
89 | **[`OfferToSaveLogins`](#offertosavelogins)** | Control whether or not Firefox offers to save passwords.
90 | **[`OfferToSaveLoginsDefault`](#offertosaveloginsdefault)** | Set the default value for whether or not Firefox offers to save passwords.
91 | **[`OverrideFirstRunPage`](#overridefirstrunpage)** | Override the first run page.
92 | **[`OverridePostUpdatePage`](#overridepostupdatepage)** | Override the upgrade page.
93 | **[`PasswordManagerEnabled`](#passwordmanagerenabled)** | Remove (some) access to the password manager.
94 | **[`PasswordManagerExceptions`](#passwordmanagerexceptions)** | Prevent Firefox from saving passwords for specific sites.
95 | **[`PDFjs`](#pdfjs)** | Disable or configure PDF.js, the built-in PDF viewer.
96 | **[`Permissions`](#permissions)** | Set permissions associated with camera, microphone, location, and notifications.
97 | **[`PictureInPicture`](#pictureinpicture)** | Enable or disable Picture-in-Picture.
98 | **[`PopupBlocking`](#popupblocking)** | Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
99 | **[`Preferences`](#preferences)** | Set and lock preferences.
100 | **[`PrimaryPassword`](#primarypassword)** | Require or prevent using a primary (formerly master) password.
101 | **[`PrintingEnabled`](#printingenabled)** | Enable or disable printing.
102 | **[`PromptForDownloadLocation`](#promptfordownloadlocation)** | Ask where to save each file before downloading.
103 | **[`Proxy`](#proxy)** | Configure proxy settings.
104 | **[`RequestedLocales`](#requestedlocales)** | Set the the list of requested locales for the application in order of preference.
105 | **[`SanitizeOnShutdown` (All)](#sanitizeonshutdown-all)** | Clear all data on shutdown.
106 | **[`SanitizeOnShutdown` (Selective)](#sanitizeonshutdown-selective)** | Clear data on shutdown.
107 | **[`SearchBar`](#searchbar)** | Set whether or not search bar is displayed.
108 | **[`SearchEngines`](#searchengines-this-policy-is-only-available-on-the-esr)** |
109 | **[`SearchEngines -> Add`](#searchengines--add)** | Add new search engines.
110 | **[`SearchEngines -> Default`](#searchengines--default)** | Set the default search engine.
111 | **[`SearchEngines -> PreventInstalls`](#searchengines--preventinstalls)** | Prevent installing search engines from webpages.
112 | **[`SearchEngines -> Remove`](#searchengines--remove)** | Hide built-in search engines.
113 | **[`SearchSuggestEnabled`](#searchsuggestenabled)** | Enable search suggestions.
114 | **[`SecurityDevices`](#securitydevices)** | Install PKCS #11 modules.
115 | **[`ShowHomeButton`](#showhomebutton)** | Show the home button on the toolbar.
116 | **[`SSLVersionMax`](#sslversionmax)** | Set and lock the maximum version of TLS.
117 | **[`SSLVersionMin`](#sslversionmin)** | Set and lock the minimum version of TLS.
118 | **[`StartDownloadsInTempDirectory`](#startdownloadsintempdirectory)** | Force downloads to start off in a local, temporary location rather than the default download directory.
119 | **[`SupportMenu`](#supportmenu)** | Add a menuitem to the help menu for specifying support information.
120 | **[`UserMessaging`](#usermessaging)** | Don't show certain messages to the user.
121 | **[`UseSystemPrintDialog`](#usesystemprintdialog)** | Print using the system print dialog instead of print preview.
122 | **[`WebsiteFilter`](#websitefilter)** | Block websites from being visited.
123 | **[`WindowsSSO`](#windowssso)** | Allow Windows single sign-on for Microsoft, work, and school accounts.
127 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/).
129 For GPO and Intune, the extension developer should provide an ADMX file.
131 **Compatibility:** Firefox 68\
132 **CCK2 Equivalent:** N/A\
133 **Preferences Affected:** N/A
140 <key>Extensions</key>
142 <key>uBlock0@raymondhill.net</key>
144 <key>adminSettings</key>
146 <key>selectedFilterLists</key>
148 <string>ublock-privacy</string>
149 <string>ublock-badware</string>
150 <string>ublock-filters</string>
151 <string>user-filters</string>
165 "uBlock0@raymondhill.net": {
167 "selectedFilterLists": [
181 ### AllowedDomainsForApps
183 Define domains allowed to access Google Workspace.
185 This policy is based on the [Chrome policy](https://chromeenterprise.google/policies/#AllowedDomainsForApps) of the same name.
187 If this policy is enabled, users can only access Google Workspace using accounts from the specified domains. If you want to allow Gmail, you can add ```consumer_accounts``` to the list.
189 **Compatibility:** Firefox 89, Firefox ESR 78.11\
190 **CCK2 Equivalent:** N/A\
191 **Preferences Affected:** N/A
195 Software\Policies\Mozilla\Firefox\AllowedDomainsForApps = "managedfirefox.com,example.com"
197 #### Windows (Intune)
200 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AllowedDomainsForApps
205 <data id="AllowedDomainsForApps" value="managedfirefox.com,example.com"/>
210 <key>AllowedDomainsForApps</key>
211 <string>managedfirefox.com,example.com</string>
218 "AllowedDomainsForApps": "managedfirefox.com,example.com"
224 Enable or disable **automatic** application update.
226 If set to true, application updates are installed without user approval within Firefox. The operating system might still require approval.
228 If set to false, application updates are downloaded but the user can choose when to install the update.
230 If you have disabled updates via `DisableAppUpdate`, this policy has no effect.
232 **Compatibility:** Firefox 75, Firefox ESR 68.7\
233 **CCK2 Equivalent:** N/A\
234 **Preferences Affected:** `app.update.auto`
238 Software\Policies\Mozilla\Firefox\AppAutoUpdate = 0x1 | 0x0
240 #### Windows (Intune)
243 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppAutoUpdate
247 <enabled/> or <disabled/>
252 <key>AppAutoUpdate</key>
260 "AppAutoUpdate": true | false
266 Prevent Firefox from being updated beyond the specified version.
268 You can specify the any version as ```xx.``` and Firefox will be updated with all minor versions, but will not be updated beyond the major version.
270 You can also specify the version as ```xx.xx``` and Firefox will be updated with all patch versions, but will not be updated beyond the minor version.
272 You should specify a version that exists or is guaranteed to exist. If you specify a version that doesn't end up existing, Firefox will update beyond that version.
274 **Compatibility:** Firefox 102,\
275 **CCK2 Equivalent:** N/A\
276 **Preferences Affected:** N/A
280 Software\Policies\Mozilla\Firefox\AppUpdatePin = "106."
282 #### Windows (Intune)
285 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppUpdatePin
290 <data id="AppUpdatePin" value="106."/>
295 <key>AppUpdatePin</key>
296 <string>106.</string>
303 "AppUpdatePin": "106."
309 Change the URL for application update if you are providing Firefox updates from a custom update server.
311 **Compatibility:** Firefox 62, Firefox ESR 60.2\
312 **CCK2 Equivalent:** N/A\
313 **Preferences Affected:** `app.update.url`
317 Software\Policies\Mozilla\Firefox\AppUpdateURL = "https://yoursite.com"
319 #### Windows (Intune)
322 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppUpdateURL
327 <data id="AppUpdateURL" value="https://yoursite.com"/>
332 <key>AppUpdateURL</key>
333 <string>https://yoursite.com</string>
340 "AppUpdateURL": "https://yoursite.com"
346 Configure sites that support integrated authentication.
348 See [Integrated authentication](https://htmlpreview.github.io/?https://github.com/mdn/archived-content/blob/main/files/en-us/mozilla/integrated_authentication/raw.html) for more information.
350 `PrivateBrowsing` enables integrated authentication in private browsing.
352 **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)\
353 **CCK2 Equivalent:** N/A\
354 **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`
358 Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\1 = "mydomain.com"
359 Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\2 = "https://myotherdomain.com"
360 Software\Policies\Mozilla\Firefox\Authentication\Delegated\1 = "mydomain.com"
361 Software\Policies\Mozilla\Firefox\Authentication\Delegated\2 = "https://myotherdomain.com"
362 Software\Policies\Mozilla\Firefox\Authentication\NTLM\1 = "mydomain.com"
363 Software\Policies\Mozilla\Firefox\Authentication\NTLM\2 = "https://myotherdomain.com"
364 Software\Policies\Mozilla\Firefox\Authentication\AllowNonFQDN\SPNEGO = 0x1 | 0x0
365 Software\Policies\Mozilla\Firefox\Authentication\AllowNonFQDN\NTLM = 0x1 | 0x0
366 Software\Policies\Mozilla\Firefox\Authentication\AllowProxies\SPNEGO = 0x1 | 0x0
367 Software\Policies\Mozilla\Firefox\Authentication\AllowProxies\NTLM = 0x1 | 0x0
368 Software\Policies\Mozilla\Firefox\Authentication\Locked = 0x1 | 0x0
369 Software\Policies\Mozilla\Firefox\Authentication\PrivateBrowsing = 0x1 | 0x0
371 #### Windows (Intune)
374 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_SPNEGO
379 <data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
383 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_Delegated
388 <data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
392 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_NTLM
397 <data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
401 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_AllowNonFQDN
406 <data id="Authentication_AllowNonFQDN_NTLM" value="true | false"/>
407 <data id="Authentication_AllowNonFQDN_SPNEGO" value="true | false"/>
411 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_Locked
415 <enabled/> or <disabled/>
419 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_PrivateBrowsing
423 <enabled/> or <disabled/>
428 <key>Authentication</key>
432 <string>mydomain.com</string>
433 <string>https://myotherdomain.com</string>
437 <string>mydomain.com</string>
438 <string>https://myotherdomain.com</string>
442 <string>mydomain.com</string>
443 <string>https://myotherdomain.com</string>
445 <key>AllowNonFQDN</key>
452 <key>AllowProxies</key>
461 <key>PrivateBrowsing</key>
471 "SPNEGO": ["mydomain.com", "https://myotherdomain.com"],
472 "Delegated": ["mydomain.com", "https://myotherdomain.com"],
473 "NTLM": ["mydomain.com", "https://myotherdomain.com"],
475 "SPNEGO": true | false,
479 "SPNEGO": true | false,
482 "Locked": true | false,
483 "PrivateBrowsing": true | false
488 ### AutoLaunchProtocolsFromOrigins
489 Define a list of external protocols that can be used from listed origins without prompting the user. The origin is the scheme plus the hostname.
491 The syntax of this policy is exactly the same as the [Chrome AutoLaunchProtocolsFromOrigins policy](https://cloud.google.com/docs/chrome-enterprise/policies/?policy=AutoLaunchProtocolsFromOrigins) except that you can only use valid origins (not just hostnames). This also means that you cannot specify an asterisk for all origins.
517 **Compatibility:** Firefox 90, Firefox ESR 78.12\
518 **CCK2 Equivalent:** N/A\
519 **Preferences Affected:** N/A
522 Software\Policies\Mozilla\Firefox\AutoLaunchProtocolsFromOrigins (REG_MULTI_SZ) =
526 "protocol": "zoommtg",
528 "https://somesite.zoom.us"
533 #### Windows (Intune)
536 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AutoLaunchProtocolsFromOrigins
541 <data id="JSON" value='
544 "protocol": "zoommtg",
546 "https://somesite.zoom.us"
554 <key>AutoLaunchProtocolsFromOrigins</key>
558 <string>zoommtg</string>
559 <key>allowed_origins</key>
561 <string>https://somesite.zoom.us</string>
571 "AutoLaunchProtocolsFromOrigins": [{
572 "protocol": "zoommtg",
574 "https://somesite.zoom.us"
580 ### BackgroundAppUpdate
582 Enable or disable **automatic** application update **in the background**, when the application is not running.
584 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.
586 If set to false, the application will not try to install updates when the application is not running.
588 If you have disabled updates via `DisableAppUpdate` or disabled automatic updates via `AppAutoUpdate`, this policy has no effect.
590 **Compatibility:** Firefox 90 (Windows only)\
591 **CCK2 Equivalent:** N/A\
592 **Preferences Affected:** `app.update.background.enabled`
596 Software\Policies\Mozilla\Firefox\BackgroundAppUpdate = 0x1 | 0x0
598 #### Windows (Intune)
601 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BackgroundAppUpdate
605 <enabled/> or <disabled/>
610 <key>BackgroundAppUpdate</key>
618 "BackgroundAppUpdate": true | false
624 Block access to the Add-ons Manager (about:addons).
626 **Compatibility:** Firefox 60, Firefox ESR 60\
627 **CCK2 Equivalent:** `disableAddonsManager`\
628 **Preferences Affected:** N/A
632 Software\Policies\Mozilla\Firefox\BlockAboutAddons = 0x1 | 0x0
634 #### Windows (Intune)
637 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutAddons
641 <enabled/> or <disabled/>
646 <key>BlockAboutAddons</key>
654 "BlockAboutAddons": true | false
660 Block access to about:config.
662 **Compatibility:** Firefox 60, Firefox ESR 60\
663 **CCK2 Equivalent:** `disableAboutConfig`\
664 **Preferences Affected:** N/A
668 Software\Policies\Mozilla\Firefox\BlockAboutConfig = 0x1 | 0x0
670 #### Windows (Intune)
673 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutConfig
677 <enabled/> or <disabled/>
682 <key>BlockAboutConfig</key>
690 "BlockAboutConfig": true | false
694 ### BlockAboutProfiles
696 Block access to About Profiles (about:profiles).
698 **Compatibility:** Firefox 60, Firefox ESR 60\
699 **CCK2 Equivalent:** `disableAboutProfiles`\
700 **Preferences Affected:** N/A
704 Software\Policies\Mozilla\Firefox\BlockAboutProfiles = 0x1 | 0x0
706 #### Windows (Intune)
709 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutProfiles
713 <enabled/> or <disabled/>
718 <key>BlockAboutProfiles</key>
726 "BlockAboutProfiles": true | false
730 ### BlockAboutSupport
732 Block access to Troubleshooting Information (about:support).
734 **Compatibility:** Firefox 60, Firefox ESR 60\
735 **CCK2 Equivalent:** `disableAboutSupport`\
736 **Preferences Affected:** N/A
740 Software\Policies\Mozilla\Firefox\BlockAboutSupport = 0x1 | 0x0
742 #### Windows (Intune)
745 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutSupport
749 <enabled/> or <disabled/>
754 <key>BlockAboutSupport</key>
762 "BlockAboutSupport": true | false
768 Note: [`ManagedBookmarks`](#managedbookmarks) is the new recommended way to add bookmarks. This policy will continue to be supported.
770 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.
772 If you want to clear all bookmarks set with this policy, you can set the value to an empty array (```[]```). This can be on Windows via the new Bookmarks (JSON) policy available with GPO and Intune.
774 **Compatibility:** Firefox 60, Firefox ESR 60\
775 **CCK2 Equivalent:** `bookmarks.toolbar`,`bookmarks.menu`\
776 **Preferences Affected:** N/A
780 Software\Policies\Mozilla\Firefox\Bookmarks\1\Title = "Example"
781 Software\Policies\Mozilla\Firefox\Bookmarks\1\URL = "https://example.com"
782 Software\Policies\Mozilla\Firefox\Bookmarks\1\Favicon = "https://example.com/favicon.ico"
783 Software\Policies\Mozilla\Firefox\Bookmarks\1\Placement = "toolbar" | "menu"
784 Software\Policies\Mozilla\Firefox\Bookmarks\1\Folder = "FolderName"
786 Software\Policies\Mozilla\Firefox\Bookmarks (REG_MULTI_SZ) =
792 #### Windows (Intune)
795 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Bookmarks/Bookmark01
800 <data id="BookmarkTitle" value="Example"/>
801 <data id="BookmarkURL" value="https://example.com"/>
802 <data id="BookmarkFavicon" value="https://example.com/favicon.ico"/>
803 <data id="BookmarkPlacement" value="toolbar | menu"/>
804 <data id="BookmarkFolder" value="FolderName"/>
808 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Bookmarks
813 <data id="JSON" value='[]'/>
822 <string>Example</string>
824 <string>https://example.com</string>
826 <string>https://example.com/favicon.ico</string>
828 <string>toolbar | menu</string>
830 <string>FolderName</string>
842 "URL": "https://example.com",
843 "Favicon": "https://example.com/favicon.ico",
844 "Placement": "toolbar" | "menu",
845 "Folder": "FolderName"
852 Enable or disable the detection of captive portals.
854 **Compatibility:** Firefox 67, Firefox ESR 60.7\
855 **CCK2 Equivalent:** N/A\
856 **Preferences Affected:** `network.captive-portal-service.enabled`
860 Software\Policies\Mozilla\Firefox\CaptivePortal = 0x1 | 0x0
862 #### Windows (Intune)
865 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/CaptivePortal
869 <enabled/> or <disabled/>
874 <key>CaptivePortal</key>
882 "CaptivePortal": true | false
888 ### Certificates | ImportEnterpriseRoots
890 Trust certificates that have been added to the operating system certificate store by a user or administrator.
892 Note: This policy only works on Windows and macOS. For Linux discussion, see [bug 1600509](https://bugzilla.mozilla.org/show_bug.cgi?id=1600509).
894 See https://support.mozilla.org/kb/setting-certificate-authorities-firefox for more detail.
896 **Compatibility:** Firefox 60, Firefox ESR 60 (macOS support in Firefox 63, Firefox ESR 68)\
897 **CCK2 Equivalent:** N/A\
898 **Preferences Affected:** `security.enterprise_roots.enabled`
902 Software\Policies\Mozilla\Firefox\Certificates\ImportEnterpriseRoots = 0x1 | 0x0
904 #### Windows (Intune)
907 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Certificates/Certificates_ImportEnterpriseRoots
911 <enabled/> or <disabled/>
916 <key>Certificates</key>
918 <key>ImportEnterpriseRoots</key>
928 "ImportEnterpriseRoots": true | false
933 ### Certificates | Install
935 Install certificates into the Firefox certificate store. If only a filename is specified, Firefox searches for the file in the following locations:
938 - %USERPROFILE%\AppData\Local\Mozilla\Certificates
939 - %USERPROFILE%\AppData\Roaming\Mozilla\Certificates
941 - /Library/Application Support/Mozilla/Certificates
942 - ~/Library/Application Support/Mozilla/Certificates
944 - /usr/lib/mozilla/certificates
945 - /usr/lib64/mozilla/certificates
946 - ~/.mozilla/certificates
948 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.
950 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.
952 Certificates are installed using the trust string `CT,CT,`.
954 Binary (DER) and ASCII (PEM) certificates are both supported.
956 **Compatibility:** Firefox 64, Firefox ESR 64\
957 **CCK2 Equivalent:** `certs.ca`\
958 **Preferences Affected:** N/A
962 Software\Policies\Mozilla\Firefox\Certificates\Install\1 = "cert1.der"
963 Software\Policies\Mozilla\Firefox\Certificates\Install\2 = "C:\Users\username\cert2.pem"
965 #### Windows (Intune)
968 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Certificates/Certificates_Install
973 <data id="Certificates_Install" value="1cert1.der2C:\Users\username\cert2.pem"/>
978 <key>Certificates</key>
982 <string>cert1.der</string>
983 <string>/Users/username/cert2.pem</string>
993 "Install": ["cert1.der", "/home/username/cert2.pem"]
999 Set policies related to [containers](https://addons.mozilla.org/firefox/addon/multi-account-containers/).
1001 Currently you can set the initial set of containers.
1003 For each container, you can specify the name, icon, and color.
1005 | Name | Description |
1007 | `name`| Name of container
1008 | `icon` | Can be `fingerprint`, `briefcase`, `dollar`, `cart`, `vacation`, `gift`, `food`, `fruit`, `pet`, `tree`, `chill`, `circle`, `fence`
1009 | `color` | Can be `blue`, `turquoise`, `green`, `yellow`, `orange`, `red`, `pink`, `purple`, `toolbar`
1011 **Compatibility:** Firefox 113\
1012 **CCK2 Equivalent:** N/A\
1013 **Preferences Affected:** N/A
1016 Software\Policies\Mozilla\Firefox\Containers (REG_MULTI_SZ) =
1021 "name": "My container",
1023 "color": "turquoise"
1028 #### Windows (Intune)
1031 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Containers
1036 <data id="JSON" value='
1040 "name": "My container",
1042 "color": "turquoise"
1053 <key>Containers</key>
1057 <string>My container</string>
1059 <string>pet</string>
1061 <string>turquoise</string>
1074 "name": "My container",
1076 "color": "turquoise"
1084 Configure cookie preferences.
1086 `Allow` is a list of origins (not domains) where cookies are always allowed. You must include http or https.
1088 `AllowSession` is a list of origins (not domains) where cookies are only allowed for the current session. You must include http or https.
1090 `Block` is a list of origins (not domains) where cookies are always blocked. You must include http or https.
1092 `Behavior` sets the default behavior for cookies based on the values below.
1094 `BehaviorPrivateBrowsing` sets the default behavior for cookies in private browsing based on the values below.
1096 | Value | Description
1098 | accept | Accept all cookies
1099 | reject-foreign | Reject third party cookies
1100 | reject | Reject all cookies
1101 | limit-foreign | Reject third party cookies for sites you haven't visited
1102 | reject-tracker | Reject cookies for known trackers (default)
1103 | reject-tracker-and-partition-foreign | Reject cookies for known trackers and partition third-party cookies (Total Cookie Protection) (default for private browsing)
1105 `Locked` prevents the user from changing cookie preferences.
1107 **Compatibility:** Firefox 60, Firefox ESR 60 (RejectTracker added in Firefox 63, AllowSession added in Firefox 79/78.1, Behavior added in Firefox 95/91.4)\
1108 **CCK2 Equivalent:** N/A\
1109 **Preferences Affected:** `network.cookie.cookieBehavior`, `network.cookie.cookieBehavior.pbmode`, `network.cookie.lifetimePolicy`
1113 Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
1114 Software\Policies\Mozilla\Firefox\Cookies\AllowSession\1 = "https://example.edu"
1115 Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
1116 Software\Policies\Mozilla\Firefox\Cookies\Default = 0x1 | 0x0
1117 Software\Policies\Mozilla\Firefox\Cookies\AcceptThirdParty = "always" | "never" | "from-visited"
1118 Software\Policies\Mozilla\Firefox\Cookies\ExpireAtSessionEnd = 0x1 | 0x0
1119 Software\Policies\Mozilla\Firefox\Cookies\RejectTracker = 0x1 | 0x0
1120 Software\Policies\Mozilla\Firefox\Cookies\Behavior = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign"
1121 Software\Policies\Mozilla\Firefox\Cookies\BehaviorPrivateBrowsing = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign"
1122 Software\Policies\Mozilla\Firefox\Cookies\Locked = 0x1 | 0x0
1124 #### Windows (Intune)
1127 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Allow
1132 <data id="Permissions" value="1https://example.com"/>
1136 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_AllowSession
1141 <data id="Permissions" value="1https://example.edu"/>
1145 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Block
1150 <data id="Permissions" value="1https://example.org"/>
1154 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Default
1158 <enabled/> or <disabled/>
1162 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_AcceptThirdParty
1167 <data id="Cookies_AcceptThirdParty" value="always | never | from-visited"/>
1171 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_ExpireAtSessionEnd
1175 <enabled/> or <disabled/>
1179 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_RejectTracker
1183 <enabled/> or <disabled/>
1187 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Locked
1191 <enabled/> or <disabled/>
1195 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_Behavior
1200 <data id="Cookies_Behavior" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign"/>
1204 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Cookies/Cookies_BehaviorPrivateBrowsing
1209 <data id="Cookies_BehaviorPrivateBrowsing" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign"/>
1218 <string>http://example.com</string>
1220 <key>AllowSession</key>
1222 <string>http://example.edu</string>
1226 <string>http://example.org</string>
1230 <key>AcceptThirdParty</key>
1231 <string>always | never | from-visited</string>
1232 <key>ExpireAtSessionEnd</key>
1234 <key>RejectTracker</key>
1239 <string>accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign</string>
1240 <key>BehaviorPrivateBrowsing</key>
1241 <string>accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign</string>
1250 "Allow": ["http://example.org/"],
1251 "AllowSession": ["http://example.edu/"],
1252 "Block": ["http://example.edu/"],
1253 "Default": true | false,
1254 "AcceptThirdParty": "always" | "never" | "from-visited",
1255 "ExpireAtSessionEnd": true | false,
1256 "RejectTracker": true | false,
1257 "Locked": true | false,
1258 "Behavior": "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign",
1259 "BehaviorPrivateBrowsing": "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign",
1264 ### DefaultDownloadDirectory
1265 Set the default download directory.
1267 You can use ${home} for the native home directory.
1269 **Compatibility:** Firefox 68, Firefox ESR 68\
1270 **CCK2 Equivalent:** N/A\
1271 **Preferences Affected:** `browser.download.dir`, `browser.download.folderList`
1275 Software\Policies\Mozilla\Firefox\DefaultDownloadDirectory = "${home}\Downloads"
1277 #### Windows (Intune)
1280 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DefaultDownloadDirectory
1285 <data id="Preferences_String" value="${home}\Downloads"/>
1290 <key>DefaultDownloadDirectory</key>
1291 <string>${home}/Downloads</string>
1294 #### policies.json (macOS and Linux)
1298 "DefaultDownloadDirectory": "${home}/Downloads"
1302 #### policies.json (Windows)
1306 "DefaultDownloadDirectory": "${home}\\Downloads"
1310 ### DisableAppUpdate
1311 Turn off application updates within Firefox.
1313 **Compatibility:** Firefox 60, Firefox ESR 60\
1314 **CCK2 Equivalent:** `disableFirefoxUpdates`\
1315 **Preferences Affected:** N/A
1319 Software\Policies\Mozilla\Firefox\DisableAppUpdate = 0x1 | 0x0
1321 #### Windows (Intune)
1324 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableAppUpdate
1328 <enabled/> or <disabled/>
1333 <key>DisableAppUpdate</key>
1341 "DisableAppUpdate": true | false
1345 ### DisableBuiltinPDFViewer
1346 Disable the built in PDF viewer. PDF files are downloaded and sent externally.
1348 **Compatibility:** Firefox 60, Firefox ESR 60\
1349 **CCK2 Equivalent:** `disablePDFjs`\
1350 **Preferences Affected:** `pdfjs.disabled`
1354 Software\Policies\Mozilla\Firefox\DisableBuiltinPDFViewer = 0x1 | 0x0
1356 #### Windows (Intune)
1359 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableBuiltinPDFViewer
1363 <enabled/> or <disabled/>
1368 <key>DisableBuiltinPDFViewer</key>
1376 "DisableBuiltinPDFViewer": true | false
1381 Disable specific cryptographic ciphers, listed below.
1384 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
1385 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
1386 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
1387 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
1388 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
1389 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
1390 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
1391 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
1392 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
1393 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
1394 TLS_DHE_RSA_WITH_AES_128_CBC_SHA
1395 TLS_DHE_RSA_WITH_AES_256_CBC_SHA
1396 TLS_RSA_WITH_AES_128_GCM_SHA256
1397 TLS_RSA_WITH_AES_256_GCM_SHA384
1398 TLS_RSA_WITH_AES_128_CBC_SHA
1399 TLS_RSA_WITH_AES_256_CBC_SHA
1400 TLS_RSA_WITH_3DES_EDE_CBC_SHA
1403 **Preferences Affected:** `security.ssl3.ecdhe_rsa_aes_128_gcm_sha256`, `security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256`, `security.ssl3.ecdhe_ecdsa_chacha20_poly1305_sha256`, `security.ssl3.ecdhe_rsa_chacha20_poly1305_sha256`, `security.ssl3.ecdhe_ecdsa_aes_256_gcm_sha384`, `security.ssl3.ecdhe_rsa_aes_256_gcm_sha384`, `security.ssl3.ecdhe_rsa_aes_128_sha`, `security.ssl3.ecdhe_ecdsa_aes_128_sha`, `security.ssl3.ecdhe_rsa_aes_256_sha`, `security.ssl3.ecdhe_ecdsa_aes_256_sha`, `security.ssl3.dhe_rsa_aes_128_sha`, `security.ssl3.dhe_rsa_aes_256_sha`, `security.ssl3.rsa_aes_128_gcm_sha256`, `security.ssl3.rsa_aes_256_gcm_sha384`, `security.ssl3.rsa_aes_128_sha`, `security.ssl3.rsa_aes_256_sha`, `security.ssl3.deprecated.rsa_des_ede3_sha`
1408 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.
1411 **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, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA38, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, and TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 were added in Firefox 97 and Firefox 91.6)\
1412 **CCK2 Equivalent:** N/A\
1413 **Preferences Affected:** N/A
1417 Software\Policies\Mozilla\Firefox\DisabledCiphers\CIPHER_NAME = 0x1 | 0x0
1419 #### Windows (Intune)
1422 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DisabledCiphers/DisabledCiphers_CIPHER_NAME
1427 <enabled/> or <disabled/>
1432 <key>DisabledCiphers</key>
1434 <key>CIPHER_NAME</key>
1443 "DisabledCiphers": {
1444 "CIPHER_NAME": true | false,
1449 ### DisableDefaultBrowserAgent
1450 Prevent the default browser agent from taking any actions. Only applicable to Windows; other platforms don’t have the agent.
1452 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).
1454 **Compatibility:** Firefox 75, Firefox ESR 68.7 (Windows only)\
1455 **CCK2 Equivalent:** N/A\
1456 **Preferences Affected:** N/A
1460 Software\Policies\Mozilla\Firefox\DisableDefaultBrowserAgent = 0x1 | 0x0
1462 #### Windows (Intune)
1465 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableDefaultBrowserAgent
1469 <enabled/> or <disabled/>
1475 "DisableDefaultBrowserAgent": true | false
1479 ### DisableDeveloperTools
1480 Remove access to all developer tools.
1482 **Compatibility:** Firefox 60, Firefox ESR 60\
1483 **CCK2 Equivalent:** `removeDeveloperTools`\
1484 **Preferences Affected:** `devtools.policy.disabled`
1488 Software\Policies\Mozilla\Firefox\DisableDeveloperTools = 0x1 | 0x0`
1490 #### Windows (Intune)
1493 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableDeveloperTools
1497 <enabled/> or <disabled/>
1502 <key>DisableDeveloperTools</key>
1510 "DisableDeveloperTools": true | false
1514 ### DisableFeedbackCommands
1515 Disable the menus for reporting sites (Submit Feedback, Report Deceptive Site).
1517 **Compatibility:** Firefox 60, Firefox ESR 60\
1518 **CCK2 Equivalent:** N/A\
1519 **Preferences Affected:** N/A
1523 Software\Policies\Mozilla\Firefox\DisableFeedbackCommands = 0x1 | 0x0
1525 #### Windows (Intune)
1528 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFeedbackCommands
1532 <enabled/> or <disabled/>
1537 <key>DisableFeedbackCommands</key>
1545 "DisableFeedbackCommands": true | false
1549 ### DisableFirefoxAccounts
1550 Disable Firefox Accounts integration (Sync).
1552 **Compatibility:** Firefox 60, Firefox ESR 60\
1553 **CCK2 Equivalent:** `disableSync`\
1554 **Preferences Affected:** `identity.fxaccounts.enabled`
1558 Software\Policies\Mozilla\Firefox\DisableFirefoxAccounts = 0x1 | 0x0
1560 #### Windows (Intune)
1563 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxAccounts
1567 <enabled/> or <disabled/>
1572 <key>DisableFirefoxAccounts</key>
1580 "DisableFirefoxAccounts": true | false
1584 ### DisableFirefoxScreenshots
1585 Remove access to Firefox Screenshots.
1587 **Compatibility:** Firefox 60, Firefox ESR 60\
1588 **CCK2 Equivalent:** N/A\
1589 **Preferences Affected:** `extensions.screenshots.disabled`
1593 Software\Policies\Mozilla\Firefox\DisableFirefoxScreenshots = 0x1 | 0x0
1595 #### Windows (Intune)
1598 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxScreenshots
1602 <enabled/> or <disabled/>
1607 <key>DisableFirefoxScreenshots</key>
1615 "DisableFirefoxScreenshots": true | false
1619 ### DisableFirefoxStudies
1620 Disable Firefox studies (Shield).
1622 **Compatibility:** Firefox 60, Firefox ESR 60\
1623 **CCK2 Equivalent:** N/A\
1624 **Preferences Affected:** N/A
1628 Software\Policies\Mozilla\Firefox\DisableFirefoxStudies = 0x1 | 0x0
1630 #### Windows (Intune)
1633 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFirefoxStudies
1637 <enabled/> or <disabled/>
1642 <key>DisableFirefoxStudies</key>
1650 "DisableFirefoxStudies": true | false
1654 ### DisableForgetButton
1655 Disable the "Forget" button.
1657 **Compatibility:** Firefox 60, Firefox ESR 60\
1658 **CCK2 Equivalent:** `disableForget`\
1659 **Preferences Affected:** N/A
1663 Software\Policies\Mozilla\Firefox\DisableForgetButton = 0x1 | 0x0
1665 #### Windows (Intune)
1668 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableForgetButton
1672 <enabled/> or <disabled/>
1677 <key>DisableForgetButton</key>
1685 "DisableForgetButton": true | false
1689 ### DisableFormHistory
1690 Turn off saving information on web forms and the search bar.
1692 **Compatibility:** Firefox 60, Firefox ESR 60\
1693 **CCK2 Equivalent:** `disableFormFill`\
1694 **Preferences Affected:** `browser.formfill.enable`
1698 Software\Policies\Mozilla\Firefox\DisableFormHistory = 0x1 | 0x0
1700 #### Windows (Intune)
1703 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableFormHistory
1707 <enabled/> or <disabled/>
1712 <key>DisableFormHistory</key>
1720 "DisableFormHistory": true | false
1724 ### DisableMasterPasswordCreation
1725 Remove the master password functionality.
1727 If this value is true, it works the same as setting [`PrimaryPassword`](#primarypassword) to false and removes the primary password functionality.
1729 If both `DisableMasterPasswordCreation` and `PrimaryPassword` are used, `DisableMasterPasswordCreation` takes precedent.
1731 **Compatibility:** Firefox 60, Firefox ESR 60\
1732 **CCK2 Equivalent:** `noMasterPassword`\
1733 **Preferences Affected:** N/A
1737 Software\Policies\Mozilla\Firefox\DisableMasterPasswordCreation = 0x1 | 0x0
1739 #### Windows (Intune)
1742 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableMasterPasswordCreation
1746 <enabled/> or <disabled/>
1751 <key>DisableMasterPasswordCreation</key>
1759 "DisableMasterPasswordCreation": true | false
1763 ### DisablePasswordReveal
1764 Do not allow passwords to be shown in saved logins
1766 **Compatibility:** Firefox 71, Firefox ESR 68.3\
1767 **CCK2 Equivalent:** N/A
1768 **Preferences Affected:** N/A
1772 Software\Policies\Mozilla\Firefox\DisablePasswordReveal = 0x1 | 0x0
1774 #### Windows (Intune)
1777 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePasswordReveal
1781 <enabled/> or <disabled/>
1786 <key>DisablePasswordReveal</key>
1794 "DisablePasswordReveal": true | false
1799 Remove Pocket in the Firefox UI. It does not remove it from the new tab page.
1801 **Compatibility:** Firefox 60, Firefox ESR 60\
1802 **CCK2 Equivalent:** `disablePocket`\
1803 **Preferences Affected:** `extensions.pocket.enabled`
1807 Software\Policies\Mozilla\Firefox\DisablePocket = 0x1 | 0x0
1809 #### Windows (Intune)
1812 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePocket
1816 <enabled/> or <disabled/>
1821 <key>DisablePocket</key>
1829 "DisablePocket": true | false
1833 ### DisablePrivateBrowsing
1834 Remove access to private browsing.
1836 **Compatibility:** Firefox 60, Firefox ESR 60\
1837 **CCK2 Equivalent:** `disablePrivateBrowsing`\
1838 **Preferences Affected:** N/A
1842 Software\Policies\Mozilla\Firefox\DisablePrivateBrowsing = 0x1 | 0x0
1844 #### Windows (Intune)
1847 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisablePrivateBrowsing
1851 <enabled/> or <disabled/>
1856 <key>DisablePrivateBrowsing</key>
1864 "DisablePrivateBrowsing": true | false
1868 ### DisableProfileImport
1869 Disables the "Import data from another browser" option in the bookmarks window.
1871 **Compatibility:** Firefox 60, Firefox ESR 60\
1872 **CCK2 Equivalent:** N/A\
1873 **Preferences Affected:** N/A
1877 Software\Policies\Mozilla\Firefox\DisableProfileImport = 0x1 | 0x0
1879 #### Windows (Intune)
1882 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableProfileImport
1886 <enabled/> or <disabled/>
1891 <key>DisableProfileImport</key>
1899 "DisableProfileImport": true | false
1903 ### DisableProfileRefresh
1904 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.
1906 **Compatibility:** Firefox 60, Firefox ESR 60\
1907 **CCK2 Equivalent:** `disableResetFirefox`\
1908 **Preferences Affected:** `browser.disableResetPrompt`
1912 Software\Policies\Mozilla\Firefox\DisableProfileRefresh = 0x1 | 0x0
1914 #### Windows (Intune)
1917 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableProfileRefresh
1921 <enabled/> or <disabled/>
1926 <key>DisableProfileRefresh</key>
1934 "DisableProfileRefresh": true | false
1939 Disable safe mode within the browser.
1941 On Windows, this disables safe mode via the command line as well.
1943 **Compatibility:** Firefox 60, Firefox ESR 60 (Windows, macOS)\
1944 **CCK2 Equivalent:** `disableSafeMode`\
1945 **Preferences Affected:** N/A
1949 Software\Policies\Mozilla\Firefox\DisableSafeMode = 0x1 | 0x0
1951 #### Windows (Intune)
1954 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSafeMode
1958 <enabled/> or <disabled/>
1963 <key>DisableSafeMode</key>
1971 "DisableSafeMode": true | false
1975 ### DisableSecurityBypass
1976 Prevent the user from bypassing security in certain cases.
1978 `InvalidCertificate` prevents adding an exception when an invalid certificate is shown.
1980 `SafeBrowsing` prevents selecting "ignore the risk" and visiting a harmful site anyway.
1982 These policies only affect what happens when an error is shown, they do not affect any settings in preferences.
1984 **Compatibility:** Firefox 60, Firefox ESR 60\
1985 **CCK2 Equivalent:** N/A\
1986 **Preferences Affected:** `security.certerror.hideAddException`, `browser.safebrowsing.allowOverride`
1990 Software\Policies\Mozilla\Firefox\DisableSecurityBypass\InvalidCertificate = 0x1 | 0x0
1991 Software\Policies\Mozilla\Firefox\DisableSecurityBypass\SafeBrowsing = 0x1 | 0x0
1993 #### Windows (Intune)
1996 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/P_DisableSecurityBypass_InvalidCertificate
2000 <enabled/> or <disabled/>
2004 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/P_DisableSecurityBypass_SafeBrowsing
2008 <enabled/> or <disabled/>
2014 <key>DisableSecurityBypass</key>
2016 <key>InvalidCertificate</key>
2018 <key>SafeBrowsing</key>
2027 "DisableSecurityBypass": {
2028 "InvalidCertificate": true | false,
2029 "SafeBrowsing": true | false
2034 ### DisableSetDesktopBackground
2035 Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
2037 **Compatibility:** Firefox 60, Firefox ESR 60\
2038 **CCK2 Equivalent:** `removeSetDesktopBackground`\
2039 **Preferences Affected:** N/A
2043 Software\Policies\Mozilla\Firefox\DisableSetDesktopBackground = 0x1 | 0x0
2045 #### Windows (Intune)
2048 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSetDesktopBackground
2052 <enabled/> or <disabled/>
2057 <key>DisableSetDesktopBackground</key>
2065 "DisableSetDesktopBackground": true | false
2069 ### DisableSystemAddonUpdate
2070 Prevent system add-ons from being installed or updated.
2072 **Compatibility:** Firefox 60, Firefox ESR 60\
2073 **CCK2 Equivalent:** N/A\
2074 **Preferences Affected:** N/A
2078 Software\Policies\Mozilla\Firefox\DisableSystemAddonUpdate = 0x1 | 0x0
2080 #### Windows (Intune)
2083 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableSystemAddonUpdate
2087 <enabled/> or <disabled/>
2092 <key>DisableSystemAddonUpdate</key>
2100 "DisableSystemAddonUpdate": true | false
2104 ### DisableTelemetry
2105 Prevent the upload of telemetry data.
2107 As of Firefox 83 and Firefox ESR 78.5, local storage of telemetry data is disabled as well.
2109 Mozilla recommends that you do not disable telemetry. Information collected through telemetry helps us build a better product for businesses like yours.
2111 **Compatibility:** Firefox 60, Firefox ESR 60\
2112 **CCK2 Equivalent:** `disableTelemetry`\
2113 **Preferences Affected:** `datareporting.healthreport.uploadEnabled`, `datareporting.policy.dataSubmissionEnabled`, `toolkit.telemetry.archive.enabled`
2117 Software\Policies\Mozilla\Firefox\DisableTelemetry = 0x1 | 0x0
2119 #### Windows (Intune)
2122 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableTelemetry
2126 <enabled/> or <disabled/>
2131 <key>DisableTelemetry</key>
2139 "DisableTelemetry": true | false
2143 ### DisableThirdPartyModuleBlocking
2144 Do not allow blocking third-party modules from the `about:third-party` page.
2146 This policy only works on Windows through GPO (not policies.json).
2148 **Compatibility:** Firefox 110 (Windows only, GPO only)\
2149 **CCK2 Equivalent:** N/A\
2150 **Preferences Affected:** N/A
2154 Software\Policies\Mozilla\Firefox\DisableThirdPartyModuleBlocking = = 0x1 | 0x0
2156 #### Windows (Intune)
2159 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableThirdPartyModuleBlocking
2163 <enabled/> or <disabled/>
2165 ### DisplayBookmarksToolbar
2166 Set the initial state of the bookmarks toolbar. A user can still change how it is displayed.
2168 `always` means the bookmarks toolbar is always shown.
2170 `never` means the bookmarks toolbar is not shown.
2172 `newtab` means the bookmarks toolbar is only shown on the new tab page.
2174 **Compatibility:** Firefox 109, Firefox ESR 102.7\
2175 **CCK2 Equivalent:** N/A\
2176 **Preferences Affected:** N/A
2180 Software\Policies\Mozilla\Firefox\DisplayBookmarksToolbar = "always", "never", "newtab"
2182 #### Windows (Intune)
2185 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisplayBookmarksToolbar_Enum
2190 <data id="DisplayBookmarksToolbar" value="always | never | newtab"/>
2195 <key>DisplayBookmarksToolbar</key>
2196 <string>always | never | newtab</string>
2203 "DisplayBookmarksToolbar": "always" | "never" | "newtab"
2208 Set the state of the menubar.
2210 `always` means the menubar is shown and cannot be hidden.
2212 `never` means the menubar is hidden and cannot be shown.
2214 `default-on` means the menubar is on by default but can be hidden.
2216 `default-off` means the menubar is off by default but can be shown.
2218 **Compatibility:** Firefox 73, Firefox ESR 68.5 (Windows, some Linux)\
2219 **CCK2 Equivalent:** `displayMenuBar`\
2220 **Preferences Affected:** N/A
2224 Software\Policies\Mozilla\Firefox\DisplayMenuBar = "always", "never", "default-on", "default-off"
2226 #### Windows (Intune)
2229 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisplayMenuBar_Enum
2234 <data id="DisplayMenuBar" value="always | never | default-on | default-off"/>
2239 <key>DisplayMenuBar</key>
2240 <string>always | never | default-on | default-off</string>
2247 "DisplayMenuBar": "always", "never", "default-on", "default-off"
2252 Configure DNS over HTTPS.
2254 `Enabled` determines whether DNS over HTTPS is enabled
2256 `ProviderURL` is a URL to another provider.
2258 `Locked` prevents the user from changing DNS over HTTPS preferences.
2260 `ExcludedDomains` excludes domains from DNS over HTTPS.
2262 **Compatibility:** Firefox 63, Firefox ESR 68 (ExcludedDomains added in 75/68.7)\
2263 **CCK2 Equivalent:** N/A\
2264 **Preferences Affected:** `network.trr.mode`, `network.trr.uri`
2268 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 | 0x0
2269 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "URL_TO_ALTERNATE_PROVIDER"
2270 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1 | 0x0
2271 Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ExcludedDomains\1 = "example.com"
2273 #### Windows (Intune)
2276 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_Enabled
2280 <enabled/> or <disabled/>
2284 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_ProviderURL
2289 <data id="String" value="URL_TO_ALTERNATE_PROVIDER"/>
2293 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_Locked
2297 <enabled/> or <disabled/>
2301 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_ExcludedDomains
2306 <data id="List" value="1example.com"/>
2311 <key>DNSOverHTTPS</key>
2315 <key>ProviderURL</key>
2316 <string>URL_TO_ALTERNATE_PROVIDER</string>
2319 <key>ExcludedDomains</key>
2321 <string>example.com</string>
2331 "Enabled": true | false,
2332 "ProviderURL": "URL_TO_ALTERNATE_PROVIDER",
2333 "Locked": true | false,
2334 "ExcludedDomains": ["example.com"]
2339 ### DontCheckDefaultBrowser
2340 Don't check if Firefox is the default browser at startup.
2342 **Compatibility:** Firefox 60, Firefox ESR 60\
2343 **CCK2 Equivalent:** `dontCheckDefaultBrowser`\
2344 **Preferences Affected:** `browser.shell.checkDefaultBrowser`
2348 Software\Policies\Mozilla\Firefox\DontCheckDefaultBrowser = 0x1 | 0x0
2350 #### Windows (Intune)
2353 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DontCheckDefaultBrowser
2357 <enabled/> or <disabled/>
2362 <key>DontCheckDefaultBrowser</key>
2370 "DontCheckDefaultBrowser": true | false
2374 ### DownloadDirectory
2375 Set and lock the download directory.
2377 You can use ${home} for the native home directory.
2379 **Compatibility:** Firefox 68, Firefox ESR 68\
2380 **CCK2 Equivalent:** N/A\
2381 **Preferences Affected:** `browser.download.dir`, `browser.download.folderList`, `browser.download.useDownloadDir`
2385 Software\Policies\Mozilla\Firefox\DownloadDirectory = "${home}\Downloads"
2387 #### Windows (Intune)
2390 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DownloadDirectory
2395 <data id="Preferences_String" value="${home}\Downloads"/>
2400 <key>DownloadDirectory</key>
2401 <string>${home}/Downloads</string>
2404 #### policies.json (macOS and Linux)
2408 "DownloadDirectory": "${home}/Downloads"
2411 #### policies.json (Windows)
2415 "DownloadDirectory": "${home}\\Downloads"
2418 ### EnableTrackingProtection
2419 Configure tracking protection.
2421 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.
2423 If `Value` is set to false, tracking protection is disabled and locked in both the regular browser and private browsing.
2425 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.
2427 If `Cryptomining` is set to true, cryptomining scripts on websites are blocked.
2429 If `Fingerprinting` is set to true, fingerprinting scripts on websites are blocked.
2431 If `EmailTracking` is set to true, hidden email tracking pixels and scripts on websites are blocked. (Firefox 112)
2433 `Exceptions` are origins for which tracking protection is not enabled.
2435 **Compatibility:** Firefox 60, Firefox ESR 60 (Cryptomining and Fingerprinting added in 70/68.2, Exceptions added in 73/68.5)\
2436 **CCK2 Equivalent:** N/A\
2437 **Preferences Affected:** `privacy.trackingprotection.enabled`, `privacy.trackingprotection.pbmode.enabled`, `privacy.trackingprotection.cryptomining.enabled`, `privacy.trackingprotection.fingerprinting.enabled`
2441 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Value = 0x1 | 0x0
2442 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Locked = 0x1 | 0x0
2443 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Cryptomining = 0x1 | 0x0
2444 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Fingerprinting = 0x1 | 0x0
2445 Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Exceptions\1 = "https://example.com"
2447 #### Windows (Intune)
2450 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/A_TrackingProtection_Value
2454 <enabled/> or <disabled/>
2458 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/B_TrackingProtection_Cryptomining
2462 <enabled/> or <disabled/>
2466 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/C_TrackingProtection_Fingerprinting
2470 <enabled/> or <disabled/>
2474 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/D_TrackingProtection_Exceptions
2479 <data id="TrackingProtection_Exceptions" value="1https://example.com"/>
2483 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~TrackingProtection/E_TrackingProtection_Locked
2487 <enabled/> or <disabled/>
2492 <key>EnableTrackingProtection</key>
2498 <key>Cryptomining</key>
2500 <key>Fingerprinting</key>
2502 <key>Exceptions</key>
2504 <string>https://example.com</string>
2513 "EnableTrackingProtection": {
2514 "Value": true | false,
2515 "Locked": true | false,
2516 "Cryptomining": true | false,
2517 "Fingerprinting": true | false,
2518 "Exceptions": ["https://example.com"]
2523 ### EncryptedMediaExtensions
2524 Enable or disable Encrypted Media Extensions and optionally lock it.
2526 If `Enabled` is set to false, encrypted media extensions (like Widevine) are not downloaded by Firefox unless the user consents to installing them.
2528 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.
2530 **Compatibility:** Firefox 77, Firefox ESR 68.9\
2531 **CCK2 Equivalent:** N/A\
2532 **Preferences Affected:** `media.eme.enabled`
2536 Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Enabled = 0x1 | 0x0
2537 Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Locked = 0x1 | 0x0
2539 #### Windows (Intune)
2542 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Enabled
2543 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Locked
2547 <enabled/>or <disabled/>
2552 <key>EncryptedMediaExtensions</key>
2565 "EncryptedMediaExtensions": {
2566 "Enabled": true | false,
2567 "Locked": true | false
2572 ### EnterprisePoliciesEnabled
2573 Enable policy support on macOS.
2575 **Compatibility:** Firefox 63, Firefox ESR 60.3 (macOS only)\
2576 **CCK2 Equivalent:** N/A\
2577 **Preferences Affected:** N/A
2582 <key>EnterprisePoliciesEnabled</key>
2586 ### ExemptDomainFileTypePairsFromFileTypeDownloadWarnings
2588 Disable warnings based on file extension for specific file types on domains.
2590 This policy is based on the [Chrome policy](https://chromeenterprise.google/policies/#ExemptDomainFileTypePairsFromFileTypeDownloadWarnings) of the same name.
2592 Important: The documentation for the policy for both Edge and Chrome is incorrect. The ```domains``` value must be a domain, not a URL pattern. Also, we do not support using ```*``` to mean all domains.
2594 **Compatibility:** Firefox 102\
2595 **CCK2 Equivalent:** N/A\
2596 **Preferences Affected:** N/A
2599 Software\Policies\Mozilla\Firefox\ExemptDomainFileTypePairsFromFileTypeDownloadWarnings (REG_MULTI_SZ) =
2603 "file_extension": "jnlp",
2604 "domains": ["example.com"]
2608 #### Windows (Intune)
2611 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ExemptDomainFileTypePairsFromFileTypeDownloadWarnings
2616 <data id="JSON" value='
2619 "file_extension": "jnlp",
2620 "domains": ["example.com"]
2628 <key>ExemptDomainFileTypePairsFromFileTypeDownloadWarnings</key>
2631 <key>file_extension</key>
2632 <string>jnlp</string>
2635 <string>example.com</string>
2645 "ExemptDomainFileTypePairsFromFileTypeDownloadWarnings": [{
2646 "file_extension": "jnlp",
2647 "domains": ["example.com"]
2653 Control the installation, uninstallation and locking of extensions.
2655 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.
2657 `Install` is a list of URLs or native paths for extensions to be installed.
2659 `Uninstall` is a list of extension IDs that should be uninstalled if found.
2661 `Locked` is a list of extension IDs that the user cannot disable or uninstall.
2663 **Compatibility:** Firefox 60, Firefox ESR 60\
2664 **CCK2 Equivalent:** `addons`\
2665 **Preferences Affected:** N/A
2669 Software\Policies\Mozilla\Firefox\Extensions\Install\1 = "https://addons.mozilla.org/firefox/downloads/somefile.xpi"
2670 Software\Policies\Mozilla\Firefox\Extensions\Install\2 = "//path/to/xpi"
2671 Software\Policies\Mozilla\Firefox\Extensions\Uninstall\1 = "bad_addon_id@mozilla.org"
2672 Software\Policies\Mozilla\Firefox\Extensions\Locked\1 = "addon_id@mozilla.org"
2674 #### Windows (Intune)
2677 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Install
2682 <data id="Extensions" value="1https://addons.mozilla.org/firefox/downloads/somefile.xpi2//path/to/xpi"/>
2686 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Uninstall
2691 <data id="Extensions" value="1bad_addon_id@mozilla.org"/>
2695 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Locked
2700 <data id="Extensions" value="1addon_id@mozilla.org"/>
2705 <key>Extensions</key>
2709 <string>https://addons.mozilla.org/firefox/downloads/somefile.xpi</string>
2710 <string>//path/to/xpi</string>
2712 <key>Uninstall</key>
2714 <string>bad_addon_id@mozilla.org</string>
2718 <string>addon_id@mozilla.org</string>
2728 "Install": ["https://addons.mozilla.org/firefox/downloads/somefile.xpi", "//path/to/xpi"],
2729 "Uninstall": ["bad_addon_id@mozilla.org"],
2730 "Locked": ["addon_id@mozilla.org"]
2735 ### ExtensionSettings
2736 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.
2738 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.
2740 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).
2742 The configuration for each extension is another dictionary that can contain the fields documented below.
2744 | Name | Description |
2746 | `installation_mode` | Maps to a string indicating the installation mode for the extension. The valid strings are `allowed`,`blocked`,`force_installed`, and `normal_installed`.
2747 | `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.
2748 | `blocked`| Blocks installation of the extension and removes it from the device if already installed.
2749 | `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.
2750 | `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.
2751 | `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.
2752 | `install_sources` | A list of sources from which installing extensions is allowed using URL match patterns. **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.
2753 | `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.
2754 | `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.
2755 | `restricted_domains` | An array of domains on which content scripts can't be run. This setting can be used only for the default configuration.
2756 | `updates_disabled` | (Firefox 89, Firefox ESR 78.11) Boolean that indicates whether or not to disable automatic updates for an individual extension.
2757 | `default_area` | (Firefox 113) String that indicates where to place the extension icon by default. Possible values are `navbar` and `menupanel`.
2759 **Compatibility:** Firefox 69, Firefox ESR 68.1 (As of Firefox 85, Firefox ESR 78.7, installing a theme makes it the default.)\
2760 **CCK2 Equivalent:** N/A\
2761 **Preferences Affected:** N/A
2764 Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) =
2768 "blocked_install_message": "Custom error message.",
2769 "install_sources": ["https://yourwebsite.com/*"],
2770 "installation_mode": "blocked",
2771 "allowed_types": ["extension"]
2773 "uBlock0@raymondhill.net": {
2774 "installation_mode": "force_installed",
2775 "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2777 "https-everywhere@eff.org": {
2778 "installation_mode": "allowed"
2782 #### Windows (Intune)
2785 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/ExtensionSettings
2790 <data id="ExtensionSettings" value='
2793 "blocked_install_message": "Custom error message.",
2794 "install_sources": ["https://yourwebsite.com/*"],
2795 "installation_mode": "blocked",
2796 "allowed_types": ["extension"]
2798 "uBlock0@raymondhill.net": {
2799 "installation_mode": "force_installed",
2800 "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2802 "https-everywhere@eff.org": {
2803 "installation_mode": "allowed"
2810 <key>ExtensionSettings</key>
2814 <key>blocked_install_message</key>
2815 <string>Custom error message.</string>
2816 <key>install_sources</key>
2818 <string>"https://yourwebsite.com/*"</string>
2820 <key>installation_mode</key>
2821 <string>blocked</string>
2822 <key>allowed_types</key>
2824 <string>extension</string>
2827 <key>uBlock0@raymondhill.net</key>
2829 <key>installation_mode</key>
2830 <string>force_installed</string>
2831 <key>install_url</key>
2832 <string>https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi</string>
2834 <key>https-everywhere@eff.org</key>
2836 <key>installation_mode</key>
2837 <string>allowed</string>
2846 "ExtensionSettings": {
2848 "blocked_install_message": "Custom error message.",
2849 "install_sources": ["https://yourwebsite.com/*"],
2850 "installation_mode": "blocked",
2851 "allowed_types": ["extension"]
2853 "uBlock0@raymondhill.net": {
2854 "installation_mode": "force_installed",
2855 "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
2857 "https-everywhere@eff.org": {
2858 "installation_mode": "allowed"
2865 Control extension updates.
2867 **Compatibility:** Firefox 67, Firefox ESR 60.7\
2868 **CCK2 Equivalent:** N/A\
2869 **Preferences Affected:** `extensions.update.enabled`
2873 Software\Policies\Mozilla\Firefox\ExtensionUpdate = 0x1 | 0x0
2875 #### Windows (Intune)
2878 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/ExtensionUpdate
2882 <enabled/> or <disabled/>
2887 <key>ExtensionUpdate</key>
2895 "ExtensionUpdate": true | false
2900 Customize the Firefox Home page.
2902 **Compatibility:** Firefox 68, Firefox ESR 68 (SponsoredTopSites and SponsoredPocket were added in Firefox 95, Firefox ESR 91.4, Snippets was deprecated in Firefox 122)
2903 **CCK2 Equivalent:** N/A\
2904 **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`, `browser.newtabpage.activity-stream.showSponsoredTopSites`, `browser.newtabpage.activity-stream.showSponsored`
2908 Software\Policies\Mozilla\Firefox\FirefoxHome\Search = 0x1 | 0x0
2909 Software\Policies\Mozilla\Firefox\FirefoxHome\TopSites = 0x1 | 0x0
2910 Software\Policies\Mozilla\Firefox\FirefoxHome\SponsoredTopSites = 0x1 | 0x0
2911 Software\Policies\Mozilla\Firefox\FirefoxHome\Highlights = 0x1 | 0x0
2912 Software\Policies\Mozilla\Firefox\FirefoxHome\Pocket = 0x1 | 0x0
2913 Software\Policies\Mozilla\Firefox\FirefoxHome\SponsoredPocket = 0x1 | 0x0
2914 Software\Policies\Mozilla\Firefox\FirefoxHome\Snippets = 0x1 | 0x0
2915 Software\Policies\Mozilla\Firefox\FirefoxHome\Locked = 0x1 | 0x0
2917 #### Windows (Intune)
2920 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/CustomizeFirefoxHome
2925 <data id="FirefoxHome_Search" value="true | false"/>
2926 <data id="FirefoxHome_TopSites" value="true | false"/>
2927 <data id="FirefoxHome_SponsoredTopSites" value="true | false"/>
2928 <data id="FirefoxHome_Highlights" value="true | false"/>
2929 <data id="FirefoxHome_Pocket" value="true | false"/>
2930 <data id="FirefoxHome_SponsoredPocket" value="true | false"/>
2931 <data id="FirefoxHome_Snippets" value="true | false"/>
2932 <data id="FirefoxHome_Locked" value="true | false"/>
2937 <key>FirefoxHome</key>
2943 <key>SponsoredTopSites</key>
2945 <key>Highlights</key>
2949 <key>SponsoredPocket</key>
2963 "Search": true | false,
2964 "TopSites": true | false,
2965 "SponsoredTopSites": true | false,
2966 "Highlights": true | false,
2967 "Pocket": true | false,
2968 "SponsoredPocket": true | false,
2969 "Snippets": true | false,
2970 "Locked": true | false
2976 Customize Firefox Suggest (US only).
2978 **Compatibility:** Firefox 118, Firefox ESR 115.3.
2979 **CCK2 Equivalent:** N/A\
2980 **Preferences Affected:** `browser.urlbar.suggest.quicksuggest.nonsponsored`, `browser.urlbar.suggest.quicksuggest.sponsored`, `browser.urlbar.quicksuggest.dataCollection.enabled`
2984 Software\Policies\Mozilla\Firefox\FirefoxSuggest\WebSuggestions = 0x1 | 0x0
2985 Software\Policies\Mozilla\Firefox\FirefoxSuggest\SponsoredSuggestions = 0x1 | 0x0
2986 Software\Policies\Mozilla\Firefox\FirefoxSuggest\ImproveSuggest = 0x1 | 0x0
2987 Software\Policies\Mozilla\Firefox\FirefoxSuggest\Locked = 0x1 | 0x0
2989 #### Windows (Intune)
2992 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/WebSuggestions
2996 <enabled/> or <disabled/>
3000 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/SponsoredSuggestions
3004 <enabled/> or <disabled/>
3008 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/ImproveSuggest
3012 <enabled/> or <disabled/>
3016 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/Locked
3020 <enabled/> or <disabled/>
3025 <key>FirefoxSuggest</key>
3027 <key>WebSuggestions</key>
3029 <key>SponsoredSuggestions</key>
3031 <key>ImproveSuggest</key>
3043 "WebSuggestions": true | false,
3044 "SponsoredSuggestions": true | false,
3045 "ImproveSuggest": true | false,
3046 "Locked": true | false
3051 ### GoToIntranetSiteForSingleWordEntryInAddressBar
3052 Whether to always go through the DNS server before sending a single word search string to a search engine.
3054 If the site exists, it will navigate to the website. If the intranet responds with a 404, the page will show a 404. If the intranet does not respond, the browser will attempt a search.
3056 The second result in the URL bar will be a search result to allow users to conduct a web search exactly as it was entered.
3058 If instead you would like to enable the ability to have your domain appear as a valid URL and to disallow the browser from ever searching that term using the first result that matches it, add the pref `browser.fixup.domainwhitelist.YOUR_DOMAIN` (where `YOUR_DOMAIN` is the name of the domain you'd like to add), and set the pref to `true`. The URL bar will then suggest `YOUR_DOMAIN` when the user fully types `YOUR_DOMAIN`. If the user attempts to load that domain and it fails to load, it will show an "Unable to connect" error page.
3060 You can also whitelist a domain suffix that is not part of the [Public Suffix List](https://publicsuffix.org/) by adding the pref `browser.fixup.domainsuffixwhitelist.YOUR_DOMAIN_SUFFIX` with a value of `true`.
3062 Additionally, if you want users to see a "Did you mean to go to 'YOUR_DOMAIN'" prompt below the URL bar if they land on a search results page instead of an intranet domain that provides a response, set the pref `browser.urlbar.dnsResolveSingleWordsAfterSearch` to `1`. Enabling this will cause the browser to commit a DNS check after every single word search. If the browser receives a response from the intranet, a prompt will ask the user if they'd like to instead navigate to `YOUR_DOMAIN`. If the user presses the **yes** button, `browser.fixup.domainwhitelist.YOUR_DOMAIN` will be set to `true`.
3064 **Compatibility:** Firefox 104, Firefox ESR 102.2\
3065 **CCK2 Equivalent:** `N/A`\
3066 **Preferences Affected:** `browser.fixup.dns_first_for_single_words`
3070 Software\Policies\Mozilla\Firefox\GoToIntranetSiteForSingleWordEntryInAddressBar = 0x1 | 0x0
3072 #### Windows (Intune)
3075 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/GoToIntranetSiteForSingleWordEntryInAddressBar
3079 <enabled/> or <disabled/>
3084 <key>GoToIntranetSiteForSingleWordEntryInAddressBar</key>
3092 "GoToIntranetSiteForSingleWordEntryInAddressBar": true | false
3097 Configure default application handlers. This policy is based on the internal format of `handlers.json`.
3099 You can configure handlers based on a mime type (`mimeTypes`), a file's extension (`extensions`), or a protocol (`schemes`).
3101 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.
3103 | Name | Description |
3105 | `action`| Can be either `saveToDisk`, `useHelperApp`, `useSystemDefault`.
3106 | `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.
3107 | `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.
3108 | `name` | The display name of the handler (might not be used).
3109 | `path`| The native path to the executable to be used.
3110 | `uriTemplate`| A url to a web based application handler. The URL must be https and contain a %s to be used for substitution.
3112 **Compatibility:** Firefox 78, Firefox ESR 78\
3113 **CCK2 Equivalent:** N/A\
3114 **Preferences Affected:** N/A
3117 Software\Policies\Mozilla\Firefox\Handlers (REG_MULTI_SZ) =
3121 "application/msword": {
3122 "action": "useSystemDefault",
3128 "action": "useHelperApp",
3129 "ask": true | false,
3132 "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
3138 "action": "useHelperApp",
3139 "ask": true | false,
3141 "name": "Adobe Acrobat",
3142 "path": "C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe"
3148 #### Windows (Intune)
3151 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Handlers
3156 <data id="Handlers" value='
3159 "application/msword": {
3160 "action": "useSystemDefault",
3166 "action": "useHelperApp",
3167 "ask": true | false,
3170 "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
3176 "action": "useHelperApp",
3177 "ask": true | false,
3179 "name": "Adobe Acrobat",
3180 "path": "C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe"
3192 <key>mimeTypes</key>
3194 <key>application/msword</key>
3197 <string>useSystemDefault</string>
3207 <string>useHelperApp</string>
3214 <string>Gmail</string>
3215 <key>uriTemplate</key>
3216 <string>https://mail.google.com/mail/?extsrc=mailto&url=%s</string>
3221 <key>extensions</key>
3226 <string>useHelperApp</string>
3233 <string>Adobe Acrobat</string>
3235 <string>/System/Applications/Preview.app</string>
3249 "application/msword": {
3250 "action": "useSystemDefault",
3256 "action": "useHelperApp",
3257 "ask": true | false,
3260 "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
3266 "action": "useHelperApp",
3267 "ask": true | false,
3269 "name": "Adobe Acrobat",
3270 "path": "/usr/bin/acroread"
3278 ### HardwareAcceleration
3279 Control hardware acceleration.
3281 **Compatibility:** Firefox 60, Firefox ESR 60\
3282 **CCK2 Equivalent:** N/A\
3283 **Preferences Affected:** `layers.acceleration.disabled`
3287 Software\Policies\Mozilla\Firefox\HardwareAcceleration = 0x1 | 0x0
3289 #### Windows (Intune)
3292 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/HardwareAcceleration
3296 <enabled/> or <disabled/>
3301 <key>HardwareAcceleration</key>
3309 "HardwareAcceleration": true | false
3314 Configure the default homepage and how Firefox starts.
3316 `URL` is the default homepage.
3318 `Locked` prevents the user from changing homepage preferences.
3320 `Additional` allows for more than one homepage.
3322 `StartPage` is how Firefox starts. The choices are no homepage, the default homepage or the previous session.
3324 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.
3326 **Compatibility:** Firefox 60, Firefox ESR 60 (StartPage was added in Firefox 60, Firefox ESR 60.4, homepage-locked added in Firefox 78)\
3327 **CCK2 Equivalent:** `homePage`,`lockHomePage`\
3328 **Preferences Affected:** `browser.startup.homepage`, `browser.startup.page`
3332 Software\Policies\Mozilla\Firefox\Homepage\URL = "https://example.com"
3333 Software\Policies\Mozilla\Firefox\Homepage\Locked = 0x1 | 0x0
3334 Software\Policies\Mozilla\Firefox\Homepage\Additional\1 = "https://example.org"
3335 Software\Policies\Mozilla\Firefox\Homepage\Additional\2 = "https://example.edu"
3336 Software\Policies\Mozilla\Firefox\Homepage\StartPage = "none" | "homepage" | "previous-session" | "homepage-locked"
3338 #### Windows (Intune)
3341 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageURL
3347 <data id="HomepageURL" value="https://example.com"/>
3348 <data id="HomepageLocked" value="true | false"/>
3352 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageAdditional
3358 <data id="HomepageAdditional" value="1http://example.org2http://example.edu"/>
3362 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageStartPage
3368 <data id="StartPage" value="none | homepage | previous-session"/>
3376 <string>http://example.com</string>
3379 <key>Additional</key>
3381 <string>http://example.org</string>
3382 <string>http://example.edu</string>
3384 <key>StartPage</key>
3385 <string>none | homepage | previous-session | homepage-locked</string>
3394 "URL": "http://example.com/",
3395 "Locked": true | false,
3396 "Additional": ["http://example.org/",
3397 "http://example.edu/"],
3398 "StartPage": "none" | "homepage" | "previous-session" | "homepage-locked"
3403 ### InstallAddonsPermission
3404 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.
3406 `Allow` is a list of origins where extension installs are allowed.
3408 `Default` determines whether or not extension installs are allowed by default.
3410 **Compatibility:** Firefox 60, Firefox ESR 60\
3411 **CCK2 Equivalent:** `permissions.install`\
3412 **Preferences Affected:** `xpinstall.enabled`
3416 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\1 = "https://example.org"
3417 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\2 = "https://example.edu"
3418 Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Default = 0x1 | 0x0
3420 #### Windows (Intune)
3423 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Addons/InstallAddonsPermission_Allow
3428 <data id="Permissions" value="1https://example.org2https://example.edu"/>
3432 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Addons/InstallAddonsPermission_Default
3441 <key>InstallAddonsPermission</key>
3445 <string>http://example.org</string>
3446 <string>http://example.edu</string>
3457 "InstallAddonsPermission": {
3458 "Allow": ["http://example.org/",
3459 "http://example.edu/"],
3460 "Default": true | false
3466 Disable the feature enforcing a separate profile for each installation.
3468 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.
3470 If this policy set to false, Firefox will create a new profile for each unique installation of Firefox.
3472 This policy only work on Windows via GPO (not policies.json).
3474 **Compatibility:** Firefox 70, Firefox ESR 68.2 (Windows only, GPO only)\
3475 **CCK2 Equivalent:** N/A\
3476 **Preferences Affected:** N/A
3480 Software\Policies\Mozilla\Firefox\LegacyProfiles = = 0x1 | 0x0
3482 #### Windows (Intune)
3485 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LegacyProfiles
3489 <enabled/> or <disabled/>
3491 ### LegacySameSiteCookieBehaviorEnabled
3492 Enable default legacy SameSite cookie behavior setting.
3494 If this policy is set to true, it reverts all cookies to legacy SameSite behavior which means that cookies that don't explicitly specify a ```SameSite``` attribute are treated as if they were ```SameSite=None```.
3496 **Compatibility:** Firefox 96\
3497 **CCK2 Equivalent:** N/A\
3498 **Preferences Affected:** `network.cookie.sameSite.laxByDefault`
3502 Software\Policies\Mozilla\Firefox\LegacySameSiteCookieBehaviorEnabled = = 0x1 | 0x0
3504 #### Windows (Intune)
3507 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LegacySameSiteCookieBehaviorEnabled
3511 <enabled/> or <disabled/>
3516 <key>LegacySameSiteCookieBehaviorEnabled</key>
3524 "LegacySameSiteCookieBehaviorEnabled": true | false
3527 ### LegacySameSiteCookieBehaviorEnabledForDomainList
3528 Revert to legacy SameSite behavior for cookies on specified sites.
3530 If this policy is set to true, cookies set for domains in this list will revert to legacy SameSite behavior which means that cookies that don't explicitly specify a ```SameSite``` attribute are treated as if they were ```SameSite=None```.
3532 **Compatibility:** Firefox 96\
3533 **CCK2 Equivalent:** N/A\
3534 **Preferences Affected:** `network.cookie.sameSite.laxByDefault.disabledHosts`
3538 Software\Policies\Mozilla\Firefox\LegacySameSiteCookieBehaviorEnabledForDomainList\1 = "example.org"
3539 Software\Policies\Mozilla\Firefox\LegacySameSiteCookieBehaviorEnabledForDomainList\2 = "example.edu"
3541 #### Windows (Intune)
3544 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LegacySameSiteCookieBehaviorEnabledForDomainList
3549 <data id="LegacySameSiteCookieBehaviorEnabledForDomainList" value="1example.org2example.edu"/>
3554 <key>LegacySameSiteCookieBehaviorEnabledForDomainList</key>
3556 <string>example.org</string>
3557 <string>example.edu</string>
3565 "LegacySameSiteCookieBehaviorEnabledForDomainList": ["example.org",
3571 Enable linking to local files by origin.
3573 **Compatibility:** Firefox 68, Firefox ESR 68\
3574 **CCK2 Equivalent:** N/A\
3575 **Preferences Affected:** `capability.policy.localfilelinks.*`
3579 Software\Policies\Mozilla\Firefox\LocalFileLinks\1 = "https://example.org"
3580 Software\Policies\Mozilla\Firefox\LocalFileLinks\2 = "https://example.edu"
3582 #### Windows (Intune)
3585 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/LocalFileLinks
3590 <data id="LocalFileLinks" value="1https://example.org2https://example.edu"/>
3595 <key>LocalFileLinks</key>
3597 <string>http://example.org</string>
3598 <string>http://example.edu</string>
3606 "LocalFileLinks": ["http://example.org/",
3607 "http://example.edu/"]
3611 ### ManagedBookmarks
3612 Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
3614 The bookmarks are only added as a button on the personal toolbar. They are not in the bookmarks folder.
3616 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:
3620 "id": "BookmarkType",
3624 "$ref": "BookmarkType"
3643 **Compatibility:** Firefox 83, Firefox ESR 78.5\
3644 **CCK2 Equivalent:** N/A\
3645 **Preferences Affected:** N/A
3648 Software\Policies\Mozilla\Firefox\ManagedBookmarks (REG_MULTI_SZ) =
3652 "toplevel_name": "My managed bookmarks folder"
3655 "url": "example.com",
3659 "name": "Mozilla links",
3662 "url": "https://mozilla.org",
3663 "name": "Mozilla.org"
3666 "url": "https://support.mozilla.org/",
3673 #### Windows (Intune)
3676 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ManagedBookmarks
3681 <data id="JSON" value='
3684 "toplevel_name": "My managed bookmarks folder"
3687 "url": "example.com",
3691 "name": "Mozilla links",
3694 "url": "https://mozilla.org",
3695 "name": "Mozilla.org"
3698 "url": "https://support.mozilla.org/",
3708 <key>ManagedBookmarks</key>
3711 <key>toplevel_name</key>
3712 <string>My managed bookmarks folder</string>
3715 <string>example.com</string>
3717 <string>Example</string>
3721 <string>Mozilla links</string>
3726 <string>https://mozilla.org</string>
3728 <string>Mozilla</string>
3732 <string>https://support.mozilla.org/</string>
3734 <string>SUMO</string>
3745 "ManagedBookmarks": [
3747 "toplevel_name": "My managed bookmarks folder"
3750 "url": "example.com",
3754 "name": "Mozilla links",
3757 "url": "https://mozilla.org",
3758 "name": "Mozilla.org"
3761 "url": "https://support.mozilla.org/",
3770 ### ManualAppUpdateOnly
3772 Switch to manual updates only.
3774 If this policy is enabled:
3775 1. The user will never be prompted to install updates
3776 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.
3777 3. The update UI will work as expected, unlike when using DisableAppUpdate.
3779 This policy is primarily intended for advanced end users, not for enterprises.
3781 **Compatibility:** Firefox 87\
3782 **CCK2 Equivalent:** N/A\
3783 **Preferences Affected:** N/A
3789 "ManualAppUpdateOnly": true | false
3793 ### NetworkPrediction
3794 Enable or disable network prediction (DNS prefetching).
3796 **Compatibility:** Firefox 67, Firefox ESR 60.7\
3797 **CCK2 Equivalent:** N/A\
3798 **Preferences Affected:** `network.dns.disablePrefetch`, `network.dns.disablePrefetchFromHTTPS`
3802 Software\Policies\Mozilla\Firefox\NetworkPrediction = 0x1 | 0x0
3804 #### Windows (Intune)
3807 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NetworkPrediction
3811 <enabled/> or <disabled/>
3816 <key>NetworkPrediction</key>
3824 "NetworkPrediction": true | false
3828 Enable or disable the New Tab page.
3830 **Compatibility:** Firefox 68, Firefox ESR 68\
3831 **CCK2 Equivalent:** N/A\
3832 **Preferences Affected:** `browser.newtabpage.enabled`
3836 Software\Policies\Mozilla\Firefox\NewTabPage = 0x1 | 0x0
3838 #### Windows (Intune)
3841 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NewTabPage
3845 <enabled/> or <disabled/>
3850 <key>NewTabPage</key>
3858 "NewTabPage": true | false
3861 ### NoDefaultBookmarks
3862 Disable the creation of default bookmarks.
3864 This policy is only effective if the user profile has not been created yet.
3866 **Compatibility:** Firefox 60, Firefox ESR 60\
3867 **CCK2 Equivalent:** `removeDefaultBookmarks`\
3868 **Preferences Affected:** N/A
3872 Software\Policies\Mozilla\Firefox\NoDefaultBookmarks = 0x1 | 0x0
3874 #### Windows (Intune)
3877 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/NoDefaultBookmarks
3881 <enabled/> or <disabled/>
3886 <key>NoDefaultBookmarks</key>
3894 "NoDefaultBookmarks": true | false
3898 ### OfferToSaveLogins
3899 Control whether or not Firefox offers to save passwords.
3901 **Compatibility:** Firefox 60, Firefox ESR 60\
3902 **CCK2 Equivalent:** `dontRememberPasswords`\
3903 **Preferences Affected:** `signon.rememberSignons`
3907 Software\Policies\Mozilla\Firefox\OfferToSaveLogins = 0x1 | 0x0
3909 #### Windows (Intune)
3912 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OfferToSaveLogins
3916 <enabled/> or <disabled/>
3921 <key>OfferToSaveLogins</key>
3929 "OfferToSaveLogins": true | false
3933 ### OfferToSaveLoginsDefault
3934 Sets the default value of signon.rememberSignons without locking it.
3936 **Compatibility:** Firefox 70, Firefox ESR 60.2\
3937 **CCK2 Equivalent:** `dontRememberPasswords`\
3938 **Preferences Affected:** `signon.rememberSignons`
3942 Software\Policies\Mozilla\Firefox\OfferToSaveLoginsDefault = 0x1 | 0x0
3944 #### Windows (Intune)
3947 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OfferToSaveLoginsDefault
3951 <enabled/> or <disabled/>
3956 <key>OfferToSaveLoginsDefault</key>
3964 "OfferToSaveLoginsDefault": true | false
3968 ### OverrideFirstRunPage
3969 Override the first run page. If the value is an empty string (""), the first run page is not displayed.
3971 Starting with Firefox 83, Firefox ESR 78.5, you can also specify multiple URLS separated by a vertical bar (|).
3973 **Compatibility:** Firefox 60, Firefox ESR 60\
3974 **CCK2 Equivalent:** `welcomePage`,`noWelcomePage`\
3975 **Preferences Affected:** `startup.homepage_welcome_url`
3979 Software\Policies\Mozilla\Firefox\OverrideFirstRunPage = "http://example.org"
3981 #### Windows (Intune)
3984 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OverrideFirstRunPage
3989 <data id="OverridePage" value="https://example.com"/>
3994 <key>OverrideFirstRunPage</key>
3995 <string>http://example.org</string>
4002 "OverrideFirstRunPage": "http://example.org"
4006 ### OverridePostUpdatePage
4007 Override the upgrade page. If the value is an empty string (""), no extra pages are displayed when Firefox is upgraded.
4009 **Compatibility:** Firefox 60, Firefox ESR 60\
4010 **CCK2 Equivalent:** `upgradePage`,`noUpgradePage`\
4011 **Preferences Affected:** `startup.homepage_override_url`
4015 Software\Policies\Mozilla\Firefox\OverridePostUpdatePage = "http://example.org"
4017 #### Windows (Intune)
4020 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/OverridePostUpdatePage
4025 <data id="OverridePage" value="https://example.com"/>
4030 <key>OverridePostUpdatePage</key>
4031 <string>http://example.org</string>
4038 "OverridePostUpdatePage": "http://example.org"
4042 ### PasswordManagerEnabled
4043 Remove access to the password manager via preferences and blocks about:logins on Firefox 70.
4045 **Compatibility:** Firefox 70, Firefox ESR 60.2\
4046 **CCK2 Equivalent:** N/A\
4047 **Preferences Affected:** `pref.privacy.disable_button.view_passwords`
4051 Software\Policies\Mozilla\Firefox\PasswordManagerEnabled = 0x1 | 0x0
4053 #### Windows (Intune)
4056 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PasswordManagerEnabled
4060 <enabled/> or <disabled/>
4065 <key>PasswordManagerEnabled</key>
4073 "PasswordManagerEnabled": true | false
4077 ### PasswordManagerExceptions
4078 Prevent Firefox from saving passwords for specific sites.
4080 The sites are specified as a list of origins.
4082 **Compatibility:** Firefox 101\
4083 **CCK2 Equivalent:** N/A\
4084 **Preferences Affected:** N/A
4088 Software\Policies\Mozilla\Firefox\PasswordManagerExceptions\1 = "https://example.org"
4089 Software\Policies\Mozilla\Firefox\PasswordManagerExceptions\2 = "https://example.edu"
4091 #### Windows (Intune)
4094 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PasswordManagerExceptions
4099 <data id="List" value="1https://example.org2https://example.edu"/>
4104 <key>PasswordManagerExceptions</key>
4106 <string>https://example.org</string>
4107 <string>https://example.edu</string>
4115 "PasswordManagerExceptions": ["https://example.org",
4116 "https://example.edu"]
4122 Disable or configure PDF.js, the built-in PDF viewer.
4124 If `Enabled` is set to false, the built-in PDF viewer is disabled.
4126 If `EnablePermissions` is set to true, the built-in PDF viewer will honor document permissions like preventing the copying of text.
4128 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.
4130 **Compatibility:** Firefox 77, Firefox ESR 68.9\
4131 **CCK2 Equivalent:** N/A\
4132 **Preferences Affected:** `pdfjs.disabled`, `pdfjs.enablePermissions`
4136 Software\Policies\Mozilla\Firefox\PDFjs\Enabled = 0x1 | 0x0
4137 Software\Policies\Mozilla\Firefox\PDFjs\EnablePermissions = 0x1 | 0x0
4139 #### Windows (Intune)
4142 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PDFjs/PDFjs_Enabled
4143 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PDFjs/PDFjs_EnablePermissions
4147 <enabled/>or <disabled/>
4156 <key>EnablePermissions</key>
4166 "Enabled": true | false,
4167 "EnablePermissions": true | false
4173 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.
4175 `Allow` is a list of origins where the feature is allowed.
4177 `Block` is a list of origins where the feature is not allowed.
4179 `BlockNewRequests` determines whether or not new requests can be made for the feature.
4181 `Locked` prevents the user from changing preferences for the feature.
4183 `Default` specifies the default value for Autoplay. block-audio-video is not supported on Firefox ESR 68.
4185 **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)\
4186 **CCK2 Equivalent:** N/A\
4187 **Preferences Affected:** `permissions.default.camera`, `permissions.default.microphone`, `permissions.default.geo`, `permissions.default.desktop-notification`, `media.autoplay.default`, `permissions.default.xr`
4191 Software\Policies\Mozilla\Firefox\Permissions\Camera\Allow\1 = "https://example.org"
4192 Software\Policies\Mozilla\Firefox\Permissions\Camera\Allow\2 = "https://example.org:1234"
4193 Software\Policies\Mozilla\Firefox\Permissions\Camera\Block\1 = "https://example.edu"
4194 Software\Policies\Mozilla\Firefox\Permissions\Camera\BlockNewRequests = 0x1 | 0x0
4195 Software\Policies\Mozilla\Firefox\Permissions\Camera\Locked = 0x1 | 0x0
4196 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Allow\1 = "https://example.org"
4197 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Block\1 = "https://example.edu"
4198 Software\Policies\Mozilla\Firefox\Permissions\Microphone\BlockNewRequests = 0x1 | 0x0
4199 Software\Policies\Mozilla\Firefox\Permissions\Microphone\Locked = 0x1 | 0x0
4200 Software\Policies\Mozilla\Firefox\Permissions\Location\Allow\1 = "https://example.org"
4201 Software\Policies\Mozilla\Firefox\Permissions\Location\Block\1 = "https://example.edu"
4202 Software\Policies\Mozilla\Firefox\Permissions\Location\BlockNewRequests = 0x1 | 0x0
4203 Software\Policies\Mozilla\Firefox\Permissions\Location\Locked = 0x1 | 0x0
4204 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Allow\1 = "https://example.org"
4205 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Block\1 = "https://example.edu"
4206 Software\Policies\Mozilla\Firefox\Permissions\Notifications\BlockNewRequests = 0x1 | 0x0
4207 Software\Policies\Mozilla\Firefox\Permissions\Notifications\Locked = 0x1 | 0x0
4208 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Allow\1 = "https://example.org"
4209 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Block\1 = "https://example.edu"
4210 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Default = "allow-audio-video" | "block-audio" | "block-audio-video"
4211 Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Locked = 0x1 | 0x0
4212 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Allow\1 = "https://example.org"
4213 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Block\1 = "https://example.edu"
4214 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\BlockNewRequests = 0x1 | 0x0
4215 Software\Policies\Mozilla\Firefox\Permissions\VirtualReality\Locked = 0x1 | 0x0
4217 #### Windows (Intune)
4220 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Location/Location_BlockNewRequests
4224 <enabled/> or <disabled/>
4228 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Location/Location_Locked
4232 <enabled/> or <disabled/>
4236 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_Allow
4241 <data id="Permissions" value="1https://example.org"/>
4245 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_BlockNewRequests
4249 <enabled/> or <disabled/>
4253 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/Notifications_Locked
4257 <enabled/> or <disabled/>
4261 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Allow
4266 <data id="Permissions" value="1https://example.org"/>
4270 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Block
4275 <data id="Permissions" value="1https://example.edu"/>
4279 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Default
4284 <data id="Autoplay_Default" value="allow-audio-video | block-audio | block-audio-video"/>
4288 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Autoplay/Autoplay_Locked
4292 <enabled/> or <disabled/>
4296 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Allow
4301 <data id="Permissions" value="1https://example.org"/>
4305 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Block
4310 <data id="Permissions" value="1https://example.edu"/>
4314 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_BlockNewRequests
4318 <enabled/> or <disabled/>
4322 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Permissions~Notifications/VirtualReality_Locked
4326 <enabled/> or <disabled/>
4331 <key>Permissions</key>
4337 <string>https://example.org</string>
4338 <string>https://example.org:1234</string>
4342 <string>https://example.edu</string>
4344 <key>BlockNewRequests</key>
4349 <key>Microphone</key>
4353 <string>https://example.org</string>
4357 <string>https://example.edu</string>
4359 <key>BlockNewRequests</key>
4368 <string>https://example.org</string>
4372 <string>https://example.edu</string>
4374 <key>BlockNewRequests</key>
4379 <key>Notifications</key>
4383 <string>https://example.org</string>
4387 <string>https://example.edu</string>
4389 <key>BlockNewRequests</key>
4398 <string>https://example.org</string>
4402 <string>https://example.edu</string>
4405 <string>allow-audio-video | block-audio | block-audio-video</string>
4418 "Allow": ["https://example.org","https://example.org:1234"],
4419 "Block": ["https://example.edu"],
4420 "BlockNewRequests": true | false,
4421 "Locked": true | false
4424 "Allow": ["https://example.org"],
4425 "Block": ["https://example.edu"],
4426 "BlockNewRequests": true | false,
4427 "Locked": true | false
4430 "Allow": ["https://example.org"],
4431 "Block": ["https://example.edu"],
4432 "BlockNewRequests": true | false,
4433 "Locked": true | false
4436 "Allow": ["https://example.org"],
4437 "Block": ["https://example.edu"],
4438 "BlockNewRequests": true | false,
4439 "Locked": true | false
4442 "Allow": ["https://example.org"],
4443 "Block": ["https://example.edu"],
4444 "Default": "allow-audio-video" | "block-audio" | "block-audio-video",
4445 "Locked": true | false
4451 ### PictureInPicture
4453 Enable or disable Picture-in-Picture as well as prevent the user from enabling or disabling it (Locked).
4455 **Compatibility:** Firefox 78, Firefox ESR 78\
4456 **CCK2 Equivalent:** N/A\
4457 **Preferences Affected:** `media.videocontrols.picture-in-picture.video-toggle.enabled`
4461 Software\Policies\Mozilla\Firefox\PictureInPicture\Enabled = 0x1 | 0x0
4462 Software\Policies\Mozilla\Firefox\PictureInPicture\Locked = 0x1 | 0x0
4465 #### Windows (Intune)
4468 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Enabled
4469 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Locked
4473 <enabled/> or <disabled/>
4478 <key>PictureInPicture</key>
4491 "PictureInPicture": {
4492 "Enabled": true | false,
4493 "Locked": true | false
4499 Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
4501 `Allow` is a list of origins where popup-windows are allowed.
4503 `Default` determines whether or not pop-up windows are allowed by default.
4505 `Locked` prevents the user from changing pop-up preferences.
4507 **Compatibility:** Firefox 60, Firefox ESR 60\
4508 **CCK2 Equivalent:** `permissions.popup`\
4509 **Preferences Affected:** `dom.disable_open_during_load`
4513 Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\1 = "https://example.org"
4514 Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\2 = "https://example.edu"
4515 Software\Policies\Mozilla\Firefox\PopupBlocking\Default = 0x1 | 0x0
4516 Software\Policies\Mozilla\Firefox\PopupBlocking\Locked = 0x1 | 0x0
4518 #### Windows (Intune)
4521 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Allow
4526 <data id="Permissions" value="1https://example.org2https://example.edu"/>
4530 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Default
4534 <enabled/> or <disabled/>
4538 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Popups/PopupBlocking_Locked
4542 <enabled/> or <disabled/>
4547 <key>PopupBlocking</key>
4551 <string>http://example.org</string>
4552 <string>http://example.edu</string>
4566 "Allow": ["http://example.org/",
4567 "http://example.edu/"],
4568 "Default": true | false,
4569 "Locked": true | false
4575 Set and lock preferences.
4577 **NOTE** On Windows, in order to use this policy, you must clear all settings in the old **Preferences (Deprecated)** section in group policy.
4579 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.
4581 Preferences that start with the following prefixes are supported:
4584 alerts.* (Firefox 122, Firefox ESR 115.7)
4585 app.update.* (Firefox 86, Firefox ESR 78.8)
4587 datareporting.policy.
4590 general.autoScroll (Firefox 83, Firefox ESR 78.5)
4591 general.smoothScroll (Firefox 83, Firefox ESR 78.5)
4595 keyword.enabled (Firefox 95, Firefox ESR 91.4)
4600 pdfjs. (Firefox 84, Firefox ESR 78.6)
4604 signon. (Firefox 83, Firefox ESR 78.5)
4605 spellchecker. (Firefox 84, Firefox ESR 78.6)
4606 toolkit.legacyUserProfileCustomizations.stylesheets (Firefox 95, Firefox ESR 91.4)
4609 xpinstall.signatures.required (Firefox ESR 102.10, Firefox ESR only)
4610 xpinstall.whitelist.required (Firefox 118, Firefox ESR 115.3)
4612 as well as the following security preferences:
4614 | Preference | Type | Default
4616 | security.default_personal_cert | string | Ask Every Time
4617 | If set to Select Automatically, Firefox automatically chooses the default personal certificate.
4618 | security.disable_button.openCertManager | string | N/A
4619 | If set to true and locked, the View Certificates button in preferences is disabled (Firefox 121, Firefox ESR 115.6)
4620 | security.disable_button.openDeviceManager | string | N/A
4621 | If set to true and locked, the Security Devices button in preferences is disabled (Firefox 121, Firefox ESR 115.6)
4622 | security.insecure_connection_text.enabled | bool | false
4623 | If set to true, adds the words "Not Secure" for insecure sites.
4624 | security.insecure_connection_text.pbmode.enabled | bool | false
4625 | If set to true, adds the words "Not Secure" for insecure sites in private browsing.
4626 | security.mixed_content.block_active_content | boolean | true
4627 | If false, mixed active content (HTTP and HTTPS) is not blocked.
4628 | security.osclientcerts.autoload | boolean | false
4629 | If true, client certificates are loaded from the operating system certificate store.
4630 | security.OCSP.enabled | integer | 1
4631 | If 0, do not fetch OCSP. If 1, fetch OCSP for DV and EV certificates. If 2, fetch OCSP only for EV certificates.
4632 | security.OCSP.require | boolean | false
4633 | If true, if an OCSP request times out, the connection fails.
4634 | security.osclientcerts.assume_rsa_pss_support | boolean | true
4635 | If false, we don't assume an RSA key can do RSA-PSS. (Firefox 114, Firefox ESR 102.12)
4636 | security.ssl.enable_ocsp_stapling | boolean | true
4637 | If false, OCSP stapling is not enabled.
4638 | security.ssl.errorReporting.enabled | boolean | true
4639 | If false, SSL errors cannot be sent to Mozilla.
4640 | security.ssl.require_safe_negotiation | boolean | false
4641 | If true, Firefox will only negotiate TLS connections with servers that indicate they support secure renegotiation. (Firefox 118, Firefox ESR 115.3)
4642 | security.tls.enable_0rtt_data | boolean | true
4643 | If false, TLS early data is turned off. (Firefox 93, Firefox 91.2, Firefox 78.15)
4644 | security.tls.hello_downgrade_check | boolean | true
4645 | If false, the TLS 1.3 downgrade check is disabled.
4646 | security.tls.version.enable-deprecated | boolean | false
4647 | If true, browser will accept TLS 1.0. and TLS 1.1. (Firefox 86, Firefox 78.8)
4648 | security.warn_submit_secure_to_insecure | boolean | true
4649 | If false, no warning is shown when submitting a form from https to http.
4651 Using the preference as the key, set the `Value` to the corresponding preference value.
4653 `Status` can be "default", "locked", "user" or "clear"
4655 * `"default"`: Read/Write: Settings appear as default even if factory default differs.
4656 * `"locked"`: Read-Only: Settings appear as default even if factory default differs.
4657 * `"user"`: Read/Write: Settings appear as changed if it differs from factory default.
4658 * `"clear"`: Read/Write: `Value` has no effect. Resets to factory defaults on each startup.
4660 `"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. An example of this is ```toolkit.legacyUserProfileCustomizations.stylesheets```.
4662 `"user"` preferences persist even if the policy is removed, so if you need to remove them, you should use the clear policy.
4664 See the examples below for more detail.
4666 IMPORTANT: Make sure you're only setting a particular preference using this mechanism and not some other way.
4669 **Compatibility:** Firefox 81, Firefox ESR 78.3\
4670 **CCK2 Equivalent:** `preferences`\
4671 **Preferences Affected:** Many
4674 Software\Policies\Mozilla\Firefox\Preferences (REG_MULTI_SZ) =
4677 "accessibility.force_disabled": {
4681 "browser.cache.disk.parent_directory": {
4682 "Value": "SOME_NATIVE_PATH",
4685 "browser.tabs.warnOnClose": {
4691 #### Windows (Intune)
4694 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Preferences
4699 <data id="JSON" value='
4701 "accessibility.force_disabled": {
4705 "browser.cache.disk.parent_directory": {
4706 "Value": "SOME_NATIVE_PATH",
4709 "browser.tabs.warnOnClose": {
4718 <key>Preferences</key>
4720 <key>accessibility.force_disabled</key>
4723 <integer>1</integer>
4725 <string>default</string>
4727 <key>browser.cache.disk.parent_directory</key>
4730 <string>SOME_NATIVE_PATH</string>
4732 <string>user</string>
4734 <key>browser.tabs.warnOnClose</key>
4739 <string>locked</string>
4749 "accessibility.force_disabled": {
4753 "browser.cache.disk.parent_directory": {
4754 "Value": "SOME_NATIVE_PATH",
4757 "browser.tabs.warnOnClose": {
4766 Require or prevent using a primary (formerly master) password.
4768 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.
4770 If both DisableMasterPasswordCreation and PrimaryPassword are used, DisableMasterPasswordCreation takes precedent.
4772 **Compatibility:** Firefox 79, Firefox ESR 78.1\
4773 **CCK2 Equivalent:** `noMasterPassword`\
4774 **Preferences Affected:** N/A
4778 Software\Policies\Mozilla\Firefox\PrimaryPassword = 0x1 | 0x0
4780 #### Windows (Intune)
4783 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PrimaryPassword
4787 <enabled/> or <disabled/>
4792 <key>PrimaryPassword</key>
4800 "PrimaryPassword": true | false
4805 Enable or disable printing.
4807 **Compatibility:** Firefox 120, Firefox ESR 115.5\
4808 **CCK2 Equivalent:** N/A\
4809 **Preferences Affected:** `print.enabled`
4813 Software\Policies\Mozilla\Firefox\PrintingEnabled = 0x1 | 0x0
4815 #### Windows (Intune)
4818 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PrintingEnabled
4822 <enabled/> or <disabled/>
4827 <key>PrintingEnabled</key>
4835 "PrintingEnabled": true | false
4839 ### PromptForDownloadLocation
4840 Ask where to save each file before downloading.
4842 **Compatibility:** Firefox 68, Firefox ESR 68\
4843 **CCK2 Equivalent:** N/A\
4844 **Preferences Affected:** `browser.download.useDownloadDir`
4848 Software\Policies\Mozilla\Firefox\PromptForDownloadLocation = 0x1 | 0x0
4850 #### Windows (Intune)
4853 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PromptForDownloadLocation
4857 <enabled/> or <disabled/>
4862 <key>PromptForDownloadLocation</key>
4870 "PromptForDownloadLocation": true | false
4875 Configure proxy settings. These settings correspond to the connection settings in Firefox preferences.
4876 To specify ports, append them to the hostnames with a colon (:).
4878 Unless you lock this policy, changes the user already has in place will take effect.
4880 `Mode` is the proxy method being used.
4882 `Locked` is whether or not proxy settings can be changed.
4884 `HTTPProxy` is the HTTP proxy server.
4886 `UseHTTPProxyForAllProtocols` is whether or not the HTTP proxy should be used for all other proxies.
4888 `SSLProxy` is the SSL proxy server.
4890 `FTPProxy` is the FTP proxy server.
4892 `SOCKSProxy` is the SOCKS proxy server
4894 `SOCKSVersion` is the SOCKS version (4 or 5)
4896 `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.
4898 `AutoConfigURL` is a URL for proxy configuration (only used if Mode is autoConfig).
4900 `AutoLogin` means do not prompt for authentication if password is saved.
4902 `UseProxyForDNS` to use proxy DNS when using SOCKS v5.
4904 **Compatibility:** Firefox 60, Firefox ESR 60\
4905 **CCK2 Equivalent:** `networkProxy*`\
4906 **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`
4910 Software\Policies\Mozilla\Firefox\Proxy\Mode = "none" | "system" | "manual" | "autoDetect" | "autoConfig"
4911 Software\Policies\Mozilla\Firefox\Proxy\Locked = 0x1 | 0x0
4912 Software\Policies\Mozilla\Firefox\Proxy\HTTPProxy = https://httpproxy.example.com
4913 Software\Policies\Mozilla\Firefox\Proxy\UseHTTPProxyForAllProtocols = 0x1 | 0x0
4914 Software\Policies\Mozilla\Firefox\Proxy\SSLProxy = https://sslproxy.example.com
4915 Software\Policies\Mozilla\Firefox\Proxy\FTPProxy = https://ftpproxy.example.com
4916 Software\Policies\Mozilla\Firefox\Proxy\SOCKSProxy = https://socksproxy.example.com
4917 Software\Policies\Mozilla\Firefox\Proxy\SOCKSVersion = 0x4 | 0x5
4918 Software\Policies\Mozilla\Firefox\Proxy\Passthrough = <local>
4919 Software\Policies\Mozilla\Firefox\Proxy\AutoConfigURL = URL_TO_AUTOCONFIG
4920 Software\Policies\Mozilla\Firefox\Proxy\AutoLogin = 0x1 | 0x0
4921 Software\Policies\Mozilla\Firefox\Proxy\UseProxyForDNS = 0x1 | 0x0
4923 #### Windows (Intune)
4925 These setttings were moved to a category to make them easier to configure via Intune.
4929 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_Locked
4933 <enabled/> or <disabled/>
4937 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_ConnectionType
4942 <data id="Proxy_ConnectionType" value="none | system | manual | autoDetect | autoConfig"/>
4946 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_HTTPProxy
4951 <data id="Proxy_HTTPProxy" value="httpproxy.example.com"/>
4955 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_UseHTTPProxyForAllProtocols
4959 <enabled/> or <disabled/>
4963 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_SSLProxy
4968 <data id="Proxy_SSLProxy" value="sslproxy.example.com"/>
4972 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_SOCKSProxy
4977 <data id="Proxy_SOCKSProxy" value="socksproxy.example.com"/>
4978 <data id="Proxy_SOCKSVersion" value="4 | 5"/>
4982 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_AutoConfigURL
4987 <data id="Proxy_AutoConfigURL" value="URL_TO_AUTOCONFIG"/>
4991 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_Passthrough
4996 <data id="Proxy_Passthrough" value="<local>"/>
5000 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_AutoLogin
5004 <enabled/> or <disabled/>
5008 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~ProxySettings/Proxy_UseProxyForDNS
5012 <enabled/> or <disabled/>
5016 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Proxy
5021 <data id="ProxyLocked" value="true | false"/>
5022 <data id="ConnectionType" value="none | system | manual | autoDetect | autoConfig"/>
5023 <data id="HTTPProxy" value="httpproxy.example.com"/>
5024 <data id="UseHTTPProxyForAllProtocols" value="true | false"/>
5025 <data id="SSLProxy" value="sslproxy.example.com"/>
5026 <data id="FTPProxy" value="ftpproxy.example.com"/>
5027 <data id="SOCKSProxy" value="socksproxy.example.com"/>
5028 <data id="SOCKSVersion" value="4 | 5"/>
5029 <data id="AutoConfigURL" value="URL_TO_AUTOCONFIG"/>
5030 <data id="Passthrough" value="<local>"/>
5031 <data id="AutoLogin" value="true | false"/>
5032 <data id="UseProxyForDNS" value="true | false"/>
5040 <string>none | system | manual | autoDetect | autoConfig</string>
5043 <key>HTTPProxy</key>
5044 <string>https://httpproxy.example.com</string>
5045 <key>UseHTTPProxyForAllProtocols</key>
5048 <string>https://sslproxy.example.com</string>
5050 <string>https://ftpproxy.example.com</string>
5051 <key>SOCKSProxy</key>
5052 <string>https://socksproxy.example.com</string>
5053 <key>SOCKSVersion</key>
5054 <string>4 | 5</string>
5055 <key>Passthrough</key>
5056 <string><local>></string>
5057 <key>AutoConfigURL</key>
5058 <string>URL_TO_AUTOCONFIG</string>
5059 <key>AutoLogin</key>
5061 <key>UseProxyForDNS</key>
5071 "Mode": "none" | "system" | "manual" | "autoDetect" | "autoConfig",
5072 "Locked": true | false,
5073 "HTTPProxy": "hostname",
5074 "UseHTTPProxyForAllProtocols": true | false,
5075 "SSLProxy": "hostname",
5076 "FTPProxy": "hostname",
5077 "SOCKSProxy": "hostname",
5078 "SOCKSVersion": 4 | 5,
5079 "Passthrough": "<local>",
5080 "AutoConfigURL": "URL_TO_AUTOCONFIG",
5081 "AutoLogin": true | false,
5082 "UseProxyForDNS": true | false
5087 ### RequestedLocales
5088 Set the the list of requested locales for the application in order of preference. It will cause the corresponding language pack to become active.
5090 Note: For Firefox 68, this can now be a string so that you can specify an empty value.
5092 **Compatibility:** Firefox 64, Firefox ESR 60.4, Updated in Firefox 68, Firefox ESR 68\
5093 **CCK2 Equivalent:** N/A\
5094 **Preferences Affected:** N/A
5097 Software\Policies\Mozilla\Firefox\RequestedLocales\1 = "de"
5098 Software\Policies\Mozilla\Firefox\RequestedLocales\2 = "en-US"
5102 Software\Policies\Mozilla\Firefox\RequestedLocales = "de,en-US"
5104 #### Windows (Intune)
5107 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/RequestedLocalesString
5112 <data id="Preferences_String" value="de,en-US"/>
5117 <key>RequestedLocales</key>
5120 <string>en-US</string>
5127 <key>RequestedLocales</key>
5128 <string>de,en-US</string>
5136 "RequestedLocales": ["de", "en-US"]
5144 "RequestedLocales": "de,en-US"
5148 <a name="SanitizeOnShutdown"></a>
5150 ### SanitizeOnShutdown (Selective)
5151 Clear data on shutdown. Choose from Cache, Cookies, Download History, Form & Search History, Browsing History, Active Logins, Site Preferences and Offline Website Data.
5153 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.
5155 **Compatibility:** Firefox 68, Firefox ESR 68 (Locked added in 74/68.6)\
5156 **CCK2 Equivalent:** N/A\
5157 **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`
5160 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cache = 0x1 | 0x0
5161 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cookies = 0x1 | 0x0
5162 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Downloads = 0x1 | 0x0
5163 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\FormData = 0x1 | 0x0
5164 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\History = 0x1 | 0x0
5165 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Sessions = 0x1 | 0x0
5166 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\SiteSettings = 0x1 | 0x0
5167 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\OfflineApps = 0x1 | 0x0
5168 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Locked = 0x1 | 0x0
5170 #### Windows (Intune)
5173 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/A_SanitizeOnShutdown_Cache
5177 <enabled/> or <disabled/>
5181 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/B_SanitizeOnShutdown_Cookies
5185 <enabled/> or <disabled/>
5189 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/C_SanitizeOnShutdown_Downloads
5193 <enabled/> or <disabled/>
5197 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/D_SanitizeOnShutdown_FormData
5201 <enabled/> or <disabled/>
5205 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/E_SanitizeOnShutdown_History
5209 <enabled/> or <disabled/>
5213 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/F_SanitizeOnShutdown_Sessions
5217 <enabled/> or <disabled/>
5221 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/G_SanitizeOnShutdown_SiteSettings
5225 <enabled/> or <disabled/>
5229 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/H_SanitizeOnShutdown_OfflineApps
5233 <enabled/> or <disabled/>
5237 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~SanitizeOnShutdown/I_SanitizeOnShutdown_Locked
5241 <enabled/> or <disabled/>
5246 <key>SanitizeOnShutdown</key>
5252 <key>Downloads</key>
5260 <key>SiteSettings</key>
5262 <key>OfflineApps</key>
5273 "SanitizeOnShutdown": {
5274 "Cache": true | false,
5275 "Cookies": true | false,
5276 "Downloads": true | false,
5277 "FormData": true | false,
5278 "History": true | false,
5279 "Sessions": true | false,
5280 "SiteSettings": true | false,
5281 "OfflineApps": true | false,
5282 "Locked": true | false
5287 ### SanitizeOnShutdown (All)
5288 Clear all data on shutdown, including Browsing & Download History, Cookies, Active Logins, Cache, Form & Search History, Site Preferences and Offline Website Data.
5290 **Compatibility:** Firefox 60, Firefox ESR 60\
5291 **CCK2 Equivalent:** N/A\
5292 **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`
5295 Software\Policies\Mozilla\Firefox\SanitizeOnShutdown = 0x1 | 0x0
5297 #### Windows (Intune)
5300 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/C_SanitizeOnShutdown
5304 <enabled/> or <disabled/>
5309 <key>SanitizeOnShutdown</key>
5317 "SanitizeOnShutdown": true | false
5322 Set whether or not search bar is displayed.
5324 **Compatibility:** Firefox 60, Firefox ESR 60\
5325 **CCK2 Equivalent:** `showSearchBar`\
5326 **Preferences Affected:** N/A
5330 Software\Policies\Mozilla\Firefox\SearchBar = "unified" | "separate"
5333 #### Windows (Intune)
5336 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SearchBar
5341 <data id="SearchBar" value="unified | separate"/>
5346 <key>SearchBar</key>
5347 <string>unified | separate</string>
5354 "SearchBar": "unified" | "separate"
5358 <a name="SearchEngines"></a>
5360 ### SearchEngines (This policy is only available on the ESR.)
5362 ### SearchEngines | Add
5364 Add new search engines. Although there are only five engines available in the ADMX template, there is no limit. To add more in the ADMX template, you can duplicate the XML.
5366 This policy is only available on the ESR. `Name` and `URLTemplate` are required.
5368 `Name` is the name of the search engine.
5370 `URLTemplate` is the search URL with {searchTerms} to substitute for the search term.
5372 `Method` is either GET or POST
5374 `IconURL` is a URL for the icon to use.
5376 `Alias` is a keyword to use for the engine.
5378 `Description` is a description of the search engine.
5380 `PostData` is the POST data as name value pairs separated by &.
5382 `SuggestURLTemplate` is a search suggestions URL with {searchTerms} to substitute for the search term.
5384 `Encoding` is the query charset for the engine. It defaults to UTF-8.
5386 **Compatibility:** Firefox ESR 60 (POST support in Firefox ESR 68, Encoding support in Firefox 91)\
5387 **CCK2 Equivalent:** `searchplugins`\
5388 **Preferences Affected:** N/A
5392 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Name = "Example1"
5393 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\URLTemplate = "https://www.example.org/q={searchTerms}"
5394 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Method = "GET" | "POST"
5395 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\IconURL = "https://www.example.org/favicon.ico"
5396 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Alias = "example"
5397 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Description = "Example Description"
5398 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\SuggestURLTemplate = "https://www.example.org/suggestions/q={searchTerms}"
5399 Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\PostData = "name=value&q={searchTerms}"
5401 #### Windows (Intune)
5404 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_1
5409 <data id="SearchEngine_Name" value="Example1"/>
5410 <data id="SearchEngine_URLTemplate" value="https://www.example.org/q={searchTerms"/>
5411 <data id="SearchEngine_Method" value="GET | POST"/>
5412 <data id="SearchEngine_IconURL" value="https://www.example.org/favicon.ico"/>
5413 <data id="SearchEngine_Alias" value="example"/>
5414 <data id="SearchEngine_Description" value="Example Description"/>
5415 <data id="SearchEngine_SuggestURLTemplate" value="https://www.example.org/suggestions/q={searchTerms}"/>
5416 <data id="SearchEngine_PostData" value="name=value&q={searchTerms}"/>
5421 <key>SearchEngines</key>
5427 <string>Example1</string>
5428 <key>URLTemplate</key>
5429 <string>https://www.example.org/q={searchTerms}</string>
5431 <string>GET | POST </string>
5433 <string>https://www.example.org/favicon.ico</string>
5435 <string>example</string>
5436 <key>Description</key>
5437 <string>Example Description</string>
5438 <key>SuggestURLTemplate</key>
5439 <string>https://www.example.org/suggestions/q={searchTerms}</string>
5441 <string>name=value&q={searchTerms}</string>
5455 "URLTemplate": "https://www.example.org/q={searchTerms}",
5456 "Method": "GET" | "POST",
5457 "IconURL": "https://www.example.org/favicon.ico",
5459 "Description": "Description",
5460 "PostData": "name=value&q={searchTerms}",
5461 "SuggestURLTemplate": "https://www.example.org/suggestions/q={searchTerms}"
5468 ### SearchEngines | Default
5470 Set the default search engine. This policy is only available on the ESR.
5472 **Compatibility:** Firefox ESR 60\
5473 **CCK2 Equivalent:** `defaultSearchEngine`\
5474 **Preferences Affected:** N/A
5478 Software\Policies\Mozilla\Firefox\SearchEngines\Default = NAME_OF_SEARCH_ENGINE
5480 #### Windows (Intune)
5483 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_Default
5488 <data id="SearchEngines_Default" value="NAME_OF_SEARCH_ENGINE"/>
5493 <key>SearchEngines</key>
5496 <string>NAME_OF_SEARCH_ENGINE</string>
5505 "Default": "NAME_OF_SEARCH_ENGINE"
5510 ### SearchEngines | PreventInstalls
5512 Prevent installing search engines from webpages.
5514 **Compatibility:** Firefox ESR 60\
5515 **CCK2 Equivalent:** `disableSearchEngineInstall`\
5516 **Preferences Affected:** N/A
5520 Software\Policies\Mozilla\Firefox\SearchEngines\PreventInstalls = 0x1 | 0x0
5522 #### Windows (Intune)
5525 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_PreventInstalls
5529 <enabled/> or <disabled/>
5534 <key>SearchEngines</key>
5536 <key>PreventInstalls</key>
5546 "PreventInstalls": true | false
5551 ### SearchEngines | Remove
5553 Hide built-in search engines. This policy is only available on the ESR.
5555 **Compatibility:** Firefox ESR 60.2\
5556 **CCK2 Equivalent:** `removeDefaultSearchEngines` (removed all built-in engines)\
5557 **Preferences Affected:** N/A
5561 Software\Policies\Mozilla\Firefox\SearchEngines\Remove\1 = NAME_OF_SEARCH_ENGINE
5563 #### Windows (Intune)
5566 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchEngines_Remove
5571 <data id="SearchEngines_Remove" value="1NAME_OF_SEARCH_ENGINE"/>
5576 <key>SearchEngines</key>
5580 <string>NAME_OF_SEARCH_ENGINE</string>
5590 "Remove": ["NAME_OF_SEARCH_ENGINE"]
5595 ### SearchSuggestEnabled
5597 Enable search suggestions.
5599 **Compatibility:** Firefox 68, Firefox ESR 68\
5600 **CCK2 Equivalent:** N/A\
5601 **Preferences Affected:** `browser.urlbar.suggest.searches`, `browser.search.suggest.enabled`
5605 Software\Policies\Mozilla\Firefox\SearchSuggestEnabled = 0x1 | 0x0
5607 #### Windows (Intune)
5610 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Search/SearchSuggestEnabled
5614 <enabled/> or <disabled/>
5619 <key>SearchSuggestEnabled</key>
5627 "SearchSuggestEnabled": true | false
5633 Add or delete PKCS #11 modules.
5635 **Compatibility:** Firefox 114, Firefox ESR 112.12\
5636 **CCK2 Equivalent:** N/A\
5637 **Preferences Affected:** N/A
5641 Software\Policies\Mozilla\Firefox\SecurityDevices\Add\NAME_OF_DEVICE_TO_ADD = PATH_TO_LIBRARY_FOR_DEVICE
5642 Software\Policies\Mozilla\Firefox\SecurityDevices\Remove\1 = NAME_OF_DEVICE_TO_REMOVE
5644 #### Windows (Intune)
5647 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SecurityDevices/SecurityDevices_Add
5652 <data id="SecurityDevices" value="NAME_OF_DEVICE_TO_ADDPATH_TO_LIBRARY_FOR_DEVICE"/>
5656 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SecurityDevices/SecurityDevices_Delete
5661 <data id="SecurityDevices" value="1NAME_OF_DEVICE_TO_REMOVE"/>
5666 <key>SecurityDevices</key>
5670 <key>NAME_OF_DEVICE_TO_ADD</key>
5671 <string>PATH_TO_LIBRARY_FOR_DEVICE</string>
5675 <string>NAME_OF_DEVICE_TO_DELETE</string>
5684 "SecurityDevices": {
5686 "NAME_OF_DEVICE_TO_ADD": "PATH_TO_LIBRARY_FOR_DEVICE"
5688 "Delete": ["NAME_OF_DEVICE_TO_DELETE"]
5693 ### SecurityDevices (Deprecated)
5695 Install PKCS #11 modules.
5697 **Compatibility:** Firefox 64, Firefox ESR 60.4\
5698 **CCK2 Equivalent:** `certs.devices`\
5699 **Preferences Affected:** N/A
5703 Software\Policies\Mozilla\Firefox\SecurityDevices\NAME_OF_DEVICE = PATH_TO_LIBRARY_FOR_DEVICE
5705 #### Windows (Intune)
5708 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SecurityDevices
5713 <data id="SecurityDevices" value="NAME_OF_DEVICEPATH_TO_LIBRARY_FOR_DEVICE"/>
5718 <key>SecurityDevices</key>
5720 <key>NAME_OF_DEVICE</key>
5721 <string>PATH_TO_LIBRARY_FOR_DEVICE</string>
5729 "SecurityDevices": {
5730 "NAME_OF_DEVICE": "PATH_TO_LIBRARY_FOR_DEVICE"
5736 Show the home button on the toolbar.
5738 Future versions of Firefox will not show the home button by default.
5740 **Compatibility:** Firefox 88, Firefox ESR 78.10\
5741 **CCK2 Equivalent:** N/A\
5742 **Preferences Affected:** N/A
5746 Software\Policies\Mozilla\Firefox\ShowHomeButton = 0x1 | 0x0
5748 #### Windows (Intune)
5751 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/Homepage_ShowHomeButton
5755 <enabled/> or <disabled/>
5760 <key>ShowHomeButton</key>
5768 "ShowHomeButton": true | false
5774 Set and lock the maximum version of TLS. (Firefox defaults to a maximum of TLS 1.3.)
5776 **Compatibility:** Firefox 66, Firefox ESR 60.6\
5777 **CCK2 Equivalent:** N/A\
5778 **Preferences Affected:** `security.tls.version.max`
5782 Software\Policies\Mozilla\Firefox\SSLVersionMax = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5784 #### Windows (Intune)
5787 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SSLVersionMax
5792 <data id="SSLVersion" value="tls1 | tls1.2 | tls1.3"/>
5797 <key>SSLVersionMax</key>
5798 <string>tls1 | tls1.1 | tls1.2 | tls1.3</string>
5806 "SSLVersionMax": "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5812 Set and lock the minimum version of TLS. (Firefox defaults to a minimum of TLS 1.2.)
5814 **Compatibility:** Firefox 66, Firefox ESR 60.6\
5815 **CCK2 Equivalent:** N/A\
5816 **Preferences Affected:** `security.tls.version.min`
5820 Software\Policies\Mozilla\Firefox\SSLVersionMin = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5822 #### Windows (Intune)
5825 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SSLVersionMin
5830 <data id="SSLVersion" value="tls1 | tls1.2 | tls1.3"/>
5835 <key>SSLVersionMin</key>
5836 <string>tls1 | tls1.1 | tls1.2 | tls1.3</string>
5844 "SSLVersionMin": "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
5849 Add a menuitem to the help menu for specifying support information.
5851 **Compatibility:** Firefox 68.0.1, Firefox ESR 68.0.1\
5852 **CCK2 Equivalent:** helpMenu\
5853 **Preferences Affected:** N/A
5857 Software\Policies\Mozilla\Firefox\SupportMenu\Title = "Support Menu"
5858 Software\Policies\Mozilla\Firefox\SupportMenu\URL = "http://example.com/support"
5859 Software\Policies\Mozilla\Firefox\SupportMenu\AccessKey = "S"
5861 #### Windows (Intune)
5864 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/SupportMenu
5869 <data id="SupportMenuTitle" value="Support Menu"/>
5870 <data id="SupportMenuURL" value="http://example.com/support"/>
5871 <data id="SupportMenuAccessKey" value="S"/>
5876 <key>SupportMenu</key>
5879 <string>SupportMenu</string>
5881 <string>http://example.com/support</string>
5882 <key>AccessKey</key>
5892 "Title": "Support Menu",
5893 "URL": "http://example.com/support",
5899 ### StartDownloadsInTempDirectory
5900 Force downloads to start off in a local, temporary location rather than the default download directory.
5902 **Compatibility:** Firefox 102\
5903 **CCK2 Equivalent:** N/A\
5904 **Preferences Affected:** `browser.download.start_downloads_in_tmp_dir`
5908 Software\Policies\Mozilla\Firefox\StartDownloadsInTempDirectory = 0x1 | 0x0
5910 #### Windows (Intune)
5913 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/StartDownloadsInTempDirectory
5917 <enabled/> or <disabled/>
5922 <key>StartDownloadsInTempDirectory</key>
5930 "StartDownloadsInTempDirectory": true | false
5935 Prevent Firefox from messaging the user in certain situations.
5937 `WhatsNew` Remove the "What's New" icon and menuitem.
5939 `ExtensionRecommendations` If false, don't recommend extensions while the user is visiting web pages.
5941 `FeatureRecommendations` If false, don't recommend browser features.
5943 `UrlbarInterventions` If false, Don't offer Firefox specific suggestions in the URL bar.
5945 `SkipOnboarding` If true, don't show onboarding messages on the new tab page.
5947 `MoreFromMozilla` If false, don't show the "More from Mozilla" section in Preferences. (Firefox 98)
5949 `Locked` prevents the user from changing user messaging preferences.
5951 **Compatibility:** Firefox 75, Firefox ESR 68.7\
5952 **CCK2 Equivalent:** N/A\
5953 **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`, `browser.preferences.moreFromMozilla`
5957 Software\Policies\Mozilla\Firefox\UserMessaging\WhatsNew = 0x1 | 0x0
5958 Software\Policies\Mozilla\Firefox\UserMessaging\ExtensionRecommendations = 0x1 | 0x0
5959 Software\Policies\Mozilla\Firefox\UserMessaging\FeatureRecommendations = 0x1 | 0x0
5960 Software\Policies\Mozilla\Firefox\UserMessaging\UrlbarInterventions = 0x1 | 0x0
5961 Software\Policies\Mozilla\Firefox\UserMessaging\SkipOnboarding = 0x1 | 0x0
5962 Software\Policies\Mozilla\Firefox\UserMessaging\MoreFromMozilla = 0x1 | 0x0
5963 Software\Policies\Mozilla\Firefox\UserMessaging\Locked = 0x1 | 0x0
5965 #### Windows (Intune)
5968 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_WhatsNew
5969 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_ExtensionRecommendations
5970 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_FeatureRecommendations
5971 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_UrlbarInterventions
5972 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_SkipOnboarding
5973 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_MoreFromMozilla
5974 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_Locked
5978 <enabled/> or <disabled/>
5983 <key>UserMessaging</key>
5987 <key>ExtensionRecommendations</key>
5989 <key>FeatureRecommendations</key>
5991 <key>UrlbarInterventions</key>
5993 <key>SkipOnboarding</key>
5995 <key>MoreFromMozilla</key>
6007 "WhatsNew": true | false,
6008 "ExtensionRecommendations": true | false,
6009 "FeatureRecommendations": true | false,
6010 "UrlbarInterventions": true | false,
6011 "SkipOnboarding": true | false,
6012 "MoreFromMozilla": true | false,
6013 "Locked": true | false
6018 ### UseSystemPrintDialog
6019 Use the system print dialog instead of the print preview window.
6021 **Compatibility:** Firefox 102\
6022 **CCK2 Equivalent:** N/A\
6023 **Preferences Affected:** `print.prefer_system_dialog`
6027 Software\Policies\Mozilla\Firefox\UseSystemPrintDialog = 0x1 | 0x0
6029 #### Windows (Intune)
6032 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UseSystemPrintDialog
6036 <enabled/> or <disabled/>
6041 <key>UseSystemPrintDialog</key>
6049 "UseSystemPrintDialog": true | false
6054 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.
6055 The arrays are limited to 1000 entries each.
6057 If you want to block all URLs, you can use `<all_urls>` or `*://*/*`. You can't have just a `*` on the right side.
6059 For specific protocols, use `https://*/*` or `http://*/*`.
6061 As of Firefox 83 and Firefox ESR 78.5, file URLs are supported.
6063 **Compatibility:** Firefox 60, Firefox ESR 60\
6064 **CCK2 Equivalent:** N/A\
6065 **Preferences Affected:** N/A
6069 Software\Policies\Mozilla\Firefox\WebsiteFilter\Block\1 = "<all_urls>"
6070 Software\Policies\Mozilla\Firefox\WebsiteFilter\Exceptions\1 = "http://example.org/*"
6072 #### Windows (Intune)
6075 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/B_WebsiteFilter_Block
6079 <enabled/> <data id="WebsiteFilter" value="1<all_urls>"/>
6083 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/B_WebsiteFilter_Exceptions
6088 <data id="WebsiteFilter" value="1http://example.org/*"/>
6093 <key>WebsiteFilter</key>
6097 <string><all_urls></string>
6099 <key>Exceptions</key>
6101 <string>http://example.org/*</string>
6112 "Block": ["<all_urls>"],
6113 "Exceptions": ["http://example.org/*"]
6119 Allow Windows single sign-on for Microsoft, work, and school accounts.
6121 If this policy is set to true, Firefox will use credentials stored in Windows to sign in to Microsoft, work, and school accounts.
6123 **Compatibility:** Firefox 91\
6124 **CCK2 Equivalent:** N/A\
6125 **Preferences Affected:** `network.http.windows-sso.enabled`
6129 Software\Policies\Mozilla\Firefox\WindowsSSO = 0x1 | 0x0
6131 #### Windows (Intune)
6134 ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/WindowsSSO
6138 <enabled/> or <disabled/>
6144 "WindowsSSO": true | false