BlockAboutAddons Prevent access to the Add-ons Manager and about:addons
BlockAboutConfig Prevent access to about:config
BlockAboutProfiles Prevent access to about:profiles
BlockAboutSupport Prevent access to about:support
Bookmarks Specify bookmarks to be added to Firefox
Certificates
ImportEnterpriseRoots Specify if Firefox reads certificates from the Windows certificate store
Cookies
Allow Specify sites that are always allowed to set cookies
Block Specify sites that are always blocked from setting cookies
Default Specify if cookies are accepted from all websites by default
AcceptThirdParty Specify when to accept third-party cookies
ExpireAtSessionEnd Specify if cookies expire when Firefox is closed
Locked Prevent the user from changing cookie preferences
DisableAppUpdate Disable application updates
DisableBuiltinPDFViewer Disable the built-in PDF viewer. PDF files are downloaded and sent externally
DisableDeveloperTools Remove access to all developer tools
DisableFeedbackCommands Disable the menus for reporting sites (Submit Feedback, Report Deceptive Site)
DisableFirefoxAccounts Disable Sync
DisableFirefoxScreenshots Remove access to Firefox Screenshots
DisableFirefoxStudies Disable Firefox studies (Shield)
DisableForgetButton Disable the "Forget" button
DisableFormHistory Turn off the browser.formfill.enable preferences
DisableMasterPasswordCreation Remove the master password functionality
DisablePocket Turn off Pocket
DisablePrivateBrowsing Remove access to private browsing
DisableProfileImport Disable the "Import data from another browser" option in the bookmarks window
DisableProfileRefresh Disable the Refresh Firefox button on about:support and support.mozilla.org
DisableSafeMode Disable safe mode (Windows only)
DisableSecurityBypass Prevent the user from bypassing security (in certain cases)
DisableSetDesktopBackground Disable setting an image as the desktop background
DisableSystemAddonUpdate Prevent system add-ons from being updated or installed
DisableTelemetry Prevent the upload of telemetry data
DisplayBookmarksToolbar Turn on the bookmarks toolbar by default
DisplayMenuBar Turn on the menubar by default.
DontCheckDefaultBrowser Stop Firefox from checking if it is the default browser
EnableTrackingProtection Enable tracking protection by default in both the browser and private browsing
Extensions
Install Specify extension URLs or paths to be installed
Uninstall Specify extension IDs to be uninstalled
Locked Specify extension IDs that cannot be uninstalled or disabled
FlashPlugin
Allow Specify sites where Flash is activated by default
Block Specify sites where Flash is blocked
Default Specify whether Flash is activated always, never, or click to play
Locked Prevent the user from changing Flash preferences
HardwareAcceleration
Homepage
URL Set a default homepage
Locked Prevent the user from changing the homepage
Additional Specify multiple homepages
InstallAddonsPermission Specify domains that can install extensions, as well as the default behavior
NoDefaultBookmarks Prevent the Smart Bookmarks (Most Visited, Recent Tags) from being created
OfferToSaveLogins Specify if Firefox offers to save passwords
OverrideFirstRunPage Override the first run page
OverridePostUpdatePage Override the upgrade page
Permissions
Camera
Microphone
Location
Notifications
PopupBlocking
Allow Specify sites where pop-up windows are always allowed
Default Specify if pop-up windows are allowed by default or blocked
Locked Prevent the user from changing pop-up preferences
Proxy Specify proxy settings
SanitizeOnShutdown Clear all data when Firefox is closed
SearchBar Specify if the search bar is separate or combined with the URL bar
SearchEngines
Add Specify search engines to be added to Firefox
Default Set the name of the default search engine
PreventInstalls Prevent the install of search engines from web pages
WebsiteFilter Specify websites that the user cannot visit

BlockAboutAddons

Prevent access to the Add-ons Manager and about:addons
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\BlockAboutAddons
Policies.json:
BlockAboutAddons
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
disableAddonsManager
Preferences modified:
N/A
Description:

If this policy is set to true, the user can not access the Add-ons Manager or about:addons.

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BlockAboutConfig

Prevent access to about:addons
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\BlockAboutConfig
Policies.json:
BlockAboutConfig
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
disableAboutConfig
Preferences modified:
N/A
Description:

If this policy is set to true, the user can not access about:config.

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BlockAboutProfiles

Prevent access to about:profiles
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\BlockAboutProfiles
Policies.json:
BlockAboutProfiles
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
disableAboutProfiles
Preferences modified:
N/A
Description:

If this policy is set to true, the user can not access about:profiles.

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BlockAboutSupport

Prevent access to about:support
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\BlockAboutSupport
Policies.json:
BlockAboutSupport
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
disableAboutSupport
Preferences modified:
N/A
Description:

If this policy is set to true, the user can not access about:support and the "Troubleshooting Information menu" is disabled.

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Certificates

Manage Enterprise Certificates on Windows
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ImportEnterpriseRoots

Read certificates from the Windows certificate store
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Certificates\ImportEnterpriseRoots
Policies.json:
"Certificates": {
  "ImportEnterpriseRoots": [true|false]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
N/A
Preferences modified:
security.enterprise_roots.enabled
Description:

If this policy is set to true, Firefox will read certificates from the Windows certificate store.

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Cookies

Manage cookie settings
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Cookies - Allow

Sites that are always allowed to set cookies
Data type:
Array of strings (URLS) [Windows:REG_SZ]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\Allow
Policies.json:
"Cookies": {
  "Allow": ["http://example.org", "http://example.com"]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
permissions->domain_name->cookie->1
Preferences modified:
N/A
Description:

If this policy is set, cookies are always allowed for the URLS indicated. If a top level domain is specified (http://example.org), cookies are allowed for all subdomains as well.

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Cookies - Block

Sites that are blocked from setting cookies
Data type:
Array of strings (URLS) [Windows:REG_SZ]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\Block
Policies.json:
"Cookies": {
  "Block": ["http://example.org", "http://example.com"]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
permissions->domain_name->cookie->2
Preferences modified:
N/A
Description:

If this policy is set, cookies are never allowed for the URLS indicated. If a top level domain is specified (http://example.org), cookies are allowed for all subdomains as well.

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Cookies - Default

Default cookie setting
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\Default
Policies.json:
"Cookies": {
  "Default": [true|false]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
N/A
Preferences modified:
network.cookie.cookieBehavior
Description:

If this policy is set to false, Firefox will not accept cookies.

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Cookies - AcceptThirdParty

Accept third-party cookies
Data type:
String [Windows:REG_SZ]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\AcceptThirdParty
Policies.json:
"Cookies": {
  "AcceptThirdParty": ["always"|"never"|"from-visited"]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
N/A
Preferences modified:
network.cookie.cookieBehavior
Description:

If you have enabled cookies, you can use this policy to determine how third-party cookies are handled:

  • always: Always accept third-party cookies
  • never: Never accept third-party cookies
  • from-visted: Accept third-party cookies from sites I've already visited
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Cookies - ExpireAtSessionEnd

When cookies expire
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\ExpireAtSessionEnd
Policies.json:
"Cookies": {
  "ExpireAtSessionEnd": [true|false]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
N/A
Preferences modified:
network.cookie.lifetimePolicy
Description:

If this policy is set to true, cookies will expire when Firefox is closed.

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Cookies - Locked

Don't allow cookie preferences to be changed
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\Cookies\Locked
Policies.json:
"Cookies": {
  "Locked": [true|false]
}
Supported on:
  • Firefox (Windows) RR and ESR since version 60
CCK2 Equivalent:
N/A
Preferences modified:
N/A
Description:

If this policy is set to true, cookie preferences cannot be changed.

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DisableAppUpdate

Disable application updates
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\DisableAppUpdate
Policies.json:
DisableAppUpdate
Supported on:
  • Firefox (Linux, Mac, Windows) ESR only since version 60
CCK2 Equivalent:
disableFirefoxUpdates
Preferences modified:
N/A
Description:

If this policy is set to true, Firefox updates are disabled and locked.

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DisableMasterPasswordCreation

Remove master password functionality
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\DisableMasterPasswordCreation
Policies.json:
DisableMasterPasswordCreation
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
noMasterPassword
Preferences modified:
N/A
Description:

If this policy is set to true, the master password functionality is removed from the browser.

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DisableSetDesktopBackground

Disable setting an image as the desktop background.
Data type:
Boolean [Windows:REG_DWORD]
Windows registry location for Windows clients:
Software\Policies\Mozilla\Firefox\DisableSetDesktopBackground
Policies.json:
DisableSetDesktopBackground
Supported on:
  • Firefox (Linux, Mac, Windows) RR and ESR since version 60
CCK2 Equivalent:
removeSetDesktopBackground
Preferences modified:
N/A
Description:

If this policy is set to true, the "Set As Desktop Background..." menuitem is removed.

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