**CCK2 Equivalent:** N/A\
**Preferences Affected:** `app.update.url`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\AppUpdateURL = "https://yoursite.com"
```
<string>https://yoursite.com</string>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**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`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\1 = "mydomain.com"
Software\Policies\Mozilla\Firefox\Authentication\SPNEGO\2 = "https://myotherdomain.com"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableAddonsManager`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\BlockAboutAddons = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableAboutConfig`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\BlockAboutConfig = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableAboutProfiles`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\BlockAboutProfiles = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableAboutSupport`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\BlockAboutSupport = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `bookmarks.toolbar`,`bookmarks.menu`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Bookmarks\1\Title = "Example"
Software\Policies\Mozilla\Firefox\Bookmarks\1\URL = "https://example.com"
</array>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.captive-portal-service.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\CaptivePortal = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.enterprise_roots.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Certificates\ImportEnterpriseRoots = 0x1 | 0x0
```
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `certs.ca`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Certificates\Install\1 = "cert1.der"
Software\Policies\Mozilla\Firefox\Certificates\Install\2 = "C:\Users\username\cert2.pem"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.cookie.cookieBehavior`,`network.cookie.lifetimePolicy`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `removeSetDesktopBackground`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableSetDesktopBackground = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `noMasterPassword`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableMasterPasswordCreation = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableFirefoxUpdates`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableAppUpdate = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disablePDFjs`\
**Preferences Affected:** `pdfjs.disabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableBuiltinPDFViewer = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `removeDeveloperTools`\
**Preferences Affected:** `devtools.policy.disabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableDeveloperTools = 0x1 | 0x0`
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableFeedbackCommands = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `extensions.screenshots.disabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableFirefoxScreenshots = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableSync`\
**Preferences Affected:** `identity.fxaccounts.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableFirefoxAccounts = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableForget`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableFirefoxStudies = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableForget`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableForgetButton = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableFormFill`\
**Preferences Affected:** ` browser.formfill.enable`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableFormHistory = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disablePocket`\
**Preferences Affected:** `extensions.pocket.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisablePocket = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disablePrivateBrowsing`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisablePrivateBrowsing = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableProfileImport = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableResetFirefox`\
**Preferences Affected:** `browser.disableResetPrompt`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableProfileRefresh = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableSafeMode`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableSafeMode = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.certerror.hideAddException`,`browser.safebrowsing.allowOverride`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableSecurityBypass\InvalidCertificate = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\DisableSecurityBypass\SafeBrowsing = 0x1 | 0x0
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```Software\Policies\Mozilla\Firefox\DisableSystemAddonUpdate = 0x1 | 0x0
```
#### macOS
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableTelemetry`\
**Preferences Affected:** `datareporting.healthreport.uploadEnabled,datareporting.policy.dataSubmissionEnabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisableTelemetry = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `displayBookmarksToolbar`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisplayBookmarksToolbar = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `displayMenuBar`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DisplayMenuBar = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.trr.mode`,`network.trr.uri`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "URL_TO_ALTERNATE_PROVIDER"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `dontCheckDefaultBrowser`\
**Preferences Affected:** `browser.shell.checkDefaultBrowser`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DontCheckDefaultBrowser = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `browser.download.dir`,`browser.download.folderList`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DefaultDownloadDirectory = "${home}\Downloads"
```
<string>${home}/Downloads</string>
</dict>
```
-#### JSON (macOS and Linux)
+#### policies.json (macOS and Linux)
```
{
"policies": {
"DefaultDownloadDirectory": "${home}/Downloads"
}
```
-#### JSON (Windows)
+#### policies.json (Windows)
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `browser.download.dir`,`browser.download.folderList`,`browser.download.useDownloadDir`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\DownloadDirectory = "${home}\Downloads"
```
<string>${home}/Downloads</string>
</dict>
```
-#### JSON (macOS and Linux)
+#### policies.json (macOS and Linux)
```
{
"policies": {
"DownloadDirectory": "${home}/Downloads"
}
```
-#### JSON (Windows)
+#### policies.json (Windows)
```
{
"policies": {
**CCK2 Equivalent:** `dontCheckDefaultBrowser`\
**Preferences Affected:** `privacy.trackingprotection.enabled`,`privacy.trackingprotection.pbmode.enabled`,`privacy.trackingprotection.cryptomining.enabled`,`privacy.trackingprotection.fingerprinting.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Value = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\EnableTrackingProtection\Locked = 0x1 | 0x0
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `addons`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Extensions\Install\1 = "https://addons.mozilla.org/firefox/downloads/somefile.xpi"
Software\Policies\Mozilla\Firefox\Extensions\Install\2 = "//path/to/xpi"
</dict>
</dict>
```
-#### JSON
-
-
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
-Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) = '{"*": {"installation_mode": "blocked"}}'
+Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) =
+{
+ "*": {
+ "blocked_install_message": "Custom error message.",
+ "install_sources": ["https://addons.mozilla.org/"],
+ "installation_mode": "blocked"
+ },
+ "uBlock0@raymondhill.net": {
+ "installation_mode": "force_installed",
+ "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
+ }
+}
```
#### macOS
```
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `extensions.update.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\ExtensionUpdate = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `permissions.plugin`\
**Preferences Affected:** `plugin.state.flash`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\FlashPlugin\Allow\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\FlashPlugin\Block\1 = "https://example.edu"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**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`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\FirefoxHome\Search = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\FirefoxHome\TopSites = 0x1 | 0x0
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `layers.acceleration.disabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\HardwareAcceleration = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `homePage`,`lockHomePage`\
**Preferences Affected:** `browser.startup.homepage`,`browser.startup.page`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Homepage\URL = "https://example.com"
Software\Policies\Mozilla\Firefox\Homepage\Locked = 0x1 | 0x0
<string>http://example.edu</string>
</array>
<key>StartPage</key>
- <string>always | never | from-visited</string>
+ <string>none | homepage | previous-session</string>
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
"Locked": true | false,
"Additional": ["http://example.org/",
"http://example.edu/"],
- "StartPage": "none" | "homepage" | "previous-session"
+ "StartPage": "none" | "homepage" | "previous-session"
}
}
}
**CCK2 Equivalent:** `permissions.install`\
**Preferences Affected:** `xpinstall.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\InstallAddonsPermission\Allow\2 = "https://example.edu"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\LegacyProfiles = = 0x1 | 0x0
```
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `capability.policy.localfilelinks.*`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\LocalFileLinks\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\LocalFileLinks\2 = "https://example.edu"
</array>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `removeDefaultBookmarks`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\NoDefaultBookmarks = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.dns.disablePrefetch`,`network.dns.disablePrefetchFromHTTPS`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\NetworkPrediction = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `browser.newtabpage.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\NewTabPage = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `dontRememberPasswords`\
**Preferences Affected:** `signon.rememberSignons`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\OfferToSaveLogins = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `dontRememberPasswords`\
**Preferences Affected:** `signon.rememberSignons`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\OfferToSaveLoginsDefault = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `welcomePage`,`noWelcomePage`\
**Preferences Affected:** `startup.homepage_welcome_url`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\OverrideFirstRunPage = "http://example.org"
```
<string>http://example.org</string>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `upgradePage`,`noUpgradePage`\
**Preferences Affected:** `startup.homepage_override_url`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\OverridePostUpdatePage = "http://example.org"
```
<string>http://example.org</string>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `prefs.privacy.disable_button.view_passwords`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\PasswordManagerEnabled = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `permissions.default.camera`,`permissions.default.microphone`,`permissions.default.geo`,`permissions.default.desktop-notification`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Permissions\Camera\Allow\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\Permissions\Camera\Block\1 = "https://example.edu"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `permissions.popup`\
**Preferences Affected:** `dom.disable_open_during_load`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\PopupBlocking\Allow\2 = "https://example.edu"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
| Preference | Type | Compatibility | Default
| --- | --- | --- | ---
-| accessibility.force_disabled | integer | Firefox 70, Firefox ESR 6.2 | 0
+| accessibility.force_disabled | integer | Firefox 70, Firefox ESR 68.2 | 0
| If set to 1, platform accessibility is disabled.
| app.update.auto | boolean | Firefox 68, Firefox ESR 68 | true
| If false, Firefox doesn't automatically install update.
-| browser.bookmarks.autoExportHTML | boolean | Firefox 70, Firefox ESR 6.2 | false
+| browser.bookmarks.autoExportHTML | boolean | Firefox 70, Firefox ESR 68.2 | false
| If true, bookmarks are exported on shutdown.
-| browser.bookmarks.file | string | Firefox 70, Firefox ESR 6.2 | N/A
+| browser.bookmarks.file | string | Firefox 70, Firefox ESR 68.2 | N/A
| If set, the name of the file where bookmarks are exported and imported.
-| browser.bookmarks.restore_default_bookmarks | string | Firefox 70, Firefox ESR 6.2 | N/A
+| browser.bookmarks.restore_default_bookmarks | string | Firefox 70, Firefox ESR 68.2 | N/A
| If true, bookmarks are restored to their defaults.
| browser.cache.disk.enable | boolean | Firefox 68, Firefox ESR 68 | true
| If false, don't store cache on the hard drive.
| If set, changes the location of the disk cache.
| browser.fixup.dns_first_for_single_words | boolean | Firefox 68, Firefox ESR 68 | false
| If true, single words are sent to DNS, not directly to search.
-| browser.places.importBookmarksHTML | string | Firefox 70, Firefox ESR 6.2
+| browser.places.importBookmarksHTML | string | Firefox 70, Firefox ESR 68.2
| If true, bookmarks are always imported on startup.
-| browser.safebrowsing.phishing.enabled | string | Firefox 70, Firefox ESR 6.2 | true
+| browser.safebrowsing.phishing.enabled | string | Firefox 70, Firefox ESR 68.2 | true
| If false, phishing protection is not enabled (Not recommended)
-| browser.safebrowsing.malware.enabled | string | Firefox 70, Firefox ESR 6.2 | true
+| browser.safebrowsing.malware.enabled | string | Firefox 70, Firefox ESR 68.2 | true
| IF false, malware protection is not enabled (Not recommended)
| browser.search.update | boolean | Firefox 68, Firefox ESR 68 | true
| If false, updates for search engines are not checked.
-| browser.slowStartup.notificationDisabled | string | Firefox 70, Firefox ESR 6.2 | false
+| browser.slowStartup.notificationDisabled | string | Firefox 70, Firefox ESR 68.2 | false
| If true, a notification isn't shown if startup is slow.
| browser.tabs.warnOnClose | boolean | Firefox 68, Firefox ESR 68 | true
| If false, there is no warning when the browser is closed.
-| browser.taskbar.previews.enable | string | Firefox 70, Firefox ESR 6.2 (Windows only) | false
+| browser.taskbar.previews.enable | string | Firefox 70, Firefox ESR 68.2 (Windows only) | false
| If true, tab previews are shown in the Windows taskbar.
| browser.urlbar.suggest.bookmark | boolean | Firefox 68, Firefox ESR 68 | true
| If false, bookmarks aren't suggested when typing in the URL bar.
| If false, open tabs aren't suggested when typing in the URL bar.
| datareporting.policy.dataSubmissionPolicyBypassNotification | boolean | Firefox 68, Firefox ESR 68 | false
| If true, don't show the privacy policy tab on first run.
-| dom.allow_scripts_to_close_windows | string | Firefox 70, Firefox ESR 6.2 | false
+| dom.allow_scripts_to_close_windows | string | Firefox 70, Firefox ESR 68.2 | false
| If false, web page can close windows.
| dom.disable_window_flip | boolean | Firefox 68, Firefox ESR 68 | true
| If false, web pages can focus and activate windows.
| See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
| dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode.addl | string | Firefox 68, Firefox ESR 68 | N/A
| See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
-| extensions.blocklist.enabled | string | Firefox 70, Firefox ESR 6.2 | true
+| extensions.blocklist.enabled | string | Firefox 70, Firefox ESR 68.2 | true
| If false, the extensions blocklist is not used (Not recommended)
| extensions.getAddons.showPane | boolean | Firefox 68, Firefox ESR 68 | N/A
| If false, the Recommendations tab is not displayed in the Add-ons Manager.
-| geo.enabled | string | Firefox 70, Firefox ESR 6.2 | true
+| geo.enabled | string | Firefox 70, Firefox ESR 68.2 | true
| If false, the geolocation API is disabled. | Language dependent
-| intl.accept_languages | string | Firefox 70, Firefox ESR 6.2
+| intl.accept_languages | string | Firefox 70, Firefox ESR 68.2
| If set, preferred language for web pages.
-| media.eme.enabled | string | Firefox 70, Firefox ESR 6.2 | true
+| media.eme.enabled | string | Firefox 70, Firefox ESR 68.2 | true
| If false, Encrypted Media Extensions are not enabled.
| media.gmp-gmpopenh264.enabled | boolean | Firefox 68, Firefox ESR 68 | true
| If false, the OpenH264 plugin is not downloaded.
| If true, display the punycode version of internationalized domain names.
| places.history.enabled | boolean | Firefox 68, Firefox ESR 68 | true
| If false, history is not enabled.
-| print.save_print_settings | string | Firefox 70, Firefox ESR 6.2 | true
+| print.save_print_settings | string | Firefox 70, Firefox ESR 68.2 | true
| If false, print settings are not saved between jobs.
| security.default_personal_cert | string | Firefox 68, Firefox ESR 68 | Ask Every Time
| If set to Select Automatically, Firefox automatically chooses the default personal certificate.
-| security.mixed_content.block_active_content | string | Firefox 70, Firefox ESR 6.2 | true
+| security.mixed_content.block_active_content | string | Firefox 70, Firefox ESR 68.2 | true
| If false, mixed active content (HTTP and HTTPS) is not blocked.
| security.ssl.errorReporting.enabled | boolean | Firefox 68, Firefox ESR 68 | true
| If false, SSL errors cannot be sent to Mozilla.
| ui.key.menuAccessKeyFocuses | boolean | Firefox 68, Firefox ESR 68 | true
| If false, the Alt key doesn't show the menubar on Windows.
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Preferences\boolean_preference_name = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Preferences\string_preference_name = "string_value"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A
**Preferences Affected:** `browser.download.useDownloadDir`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\PromptForDownloadLocation = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `networkProxy*`\
**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`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Proxy\Mode = "none", "system", "manual", "autoDetect", "autoConfig"
Software\Policies\Mozilla\Firefox\Proxy\Locked = 0x1 | 0x0
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**Compatibility:** Firefox 64, Firefox ESR 60.4, Updated in Firefox 68, Firefox ESR 68\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\RequestedLocales\1 = "de"
Software\Policies\Mozilla\Firefox\RequestedLocales\2 = "en-US"
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**Compatibility:** Firefox 68, Firefox ESR 68\
**CCK2 Equivalent:** N/A\
**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`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cache = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown\Cookies = 0x1 | 0x0
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** N/A\
**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`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SanitizeOnShutdown = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `showSearchBar`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchBar = "unified" | "separate"
```
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `defaultSearchEngine`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchEngines\Default = NAME_OF_SEARCH_ENGINE
```
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `disableSearchEngineInstall`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchEngines\PreventInstalls = 0x1 | 0x0
```
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `removeDefaultSearchEngines` (removed all built-in engines)\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchEngines\Remove\1 = NAME_OF_SEARCH_ENGINE
```
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `searchplugins`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\Name = "Example1"
Software\Policies\Mozilla\Firefox\SearchEngines\Add\1\URLTemplate = "https://www.example.org/q={searchTerms}"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `browser.urlbar.suggest.searches`,`browser.search.suggest.enabled`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SearchSuggestEnabled = 0x1 | 0x0
```
<true/> | <false/>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** `certs.devices`\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SecurityDevices\NAME_OF_DEVICE = PATH_TO_LIBRARY_FOR_DEVICE
```
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.tls.version.max`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SSLVersionMax = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
```
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.tls.version.min`
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SSLVersionMin = "tls1" | "tls1.1" | "tls1.2" | "tls1.3"
```
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** helpMenu\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\SupportMenu\Title = "Support Menu"
Software\Policies\Mozilla\Firefox\SupportMenu\URL = "http://example.com/support"
</dict>
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
-#### Windows
+#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\WebsiteFilters\Block\1 = "<all_urls>"
Software\Policies\Mozilla\Firefox\WebsiteFilters\Exceptions\1 = "http://example.org/*"
</dict>
```
-#### JSON
+#### policies.json
```
{
"policies": {