| **[`InstallAddonsPermission`](#installaddonspermission)** | Configure the default extension install policy as well as origins for extension installs are allowed.
| **[`LegacyProfiles`](#legacyprofiles)** | Disable the feature enforcing a separate profile for each installation.
| **[`LocalFileLinks`](#localfilelinks)** | Enable linking to local files by origin.
| **[`InstallAddonsPermission`](#installaddonspermission)** | Configure the default extension install policy as well as origins for extension installs are allowed.
| **[`LegacyProfiles`](#legacyprofiles)** | Disable the feature enforcing a separate profile for each installation.
| **[`LocalFileLinks`](#localfilelinks)** | Enable linking to local files by origin.
| **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
| **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
| **[`NoDefaultBookmarks`](#nodefaultbookmarks)** | Disable the creation of default bookmarks.
| **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
| **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
| **[`NoDefaultBookmarks`](#nodefaultbookmarks)** | Disable the creation of default bookmarks.
See https://support.mozilla.org/kb/setting-certificate-authorities-firefox for more detail.
**Compatibility:** Firefox 60, Firefox ESR 60 (macOS support in Firefox 63, Firefox ESR 68)\
See https://support.mozilla.org/kb/setting-certificate-authorities-firefox for more detail.
**Compatibility:** Firefox 60, Firefox ESR 60 (macOS support in Firefox 63, Firefox ESR 68)\
`Block` is a list of origins (not domains) where cookies are always blocked. You must include http or https.
`Default` determines whether cookies are accepted at all.
`Block` is a list of origins (not domains) where cookies are always blocked. You must include http or https.
`Default` determines whether cookies are accepted at all.
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.cookie.cookieBehavior`,`network.cookie.lifetimePolicy`
#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.cookie.cookieBehavior`,`network.cookie.lifetimePolicy`
#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\Cookies\Default = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Cookies\AcceptThirdParty = "always" | "never" | "from-visited"
Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\Cookies\Default = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Cookies\AcceptThirdParty = "always" | "never" | "from-visited"
"Block": ["http://example.edu/"],
"Default": true | false,
"AcceptThirdParty": "always" | "never" | "from-visited",
"Block": ["http://example.edu/"],
"Default": true | false,
"AcceptThirdParty": "always" | "never" | "from-visited",
Software\Policies\Mozilla\Firefox\Extensions\Uninstall\1 = "bad_addon_id@mozilla.org"
Software\Policies\Mozilla\Firefox\Extensions\Locked\1 = "addon_id@mozilla.org"
```
Software\Policies\Mozilla\Firefox\Extensions\Uninstall\1 = "bad_addon_id@mozilla.org"
Software\Policies\Mozilla\Firefox\Extensions\Locked\1 = "addon_id@mozilla.org"
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Install
+```
+Value (string):
+```
+<enabled/>
+<data id="Extensions" value="1https://addons.mozilla.org/firefox/downloads/somefile.xpi2//path/to/xpi"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Uninstall
+```
+Value (string):
+```
+<enabled/>
+<data id="Extensions" value="1bad_addon_id@mozilla.org"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Locked
+```
+Value (string):
+```
+<enabled/>
+<data id="Extensions" value="1addon_id@mozilla.org"/>
+```
- "mimeTypes": {
- "application/msword": {
- "action": "useSystemDefault",
- "ask": false
- }
- },
- "schemes": {
- "mailto": {
- "action": "useHelperApp",
- "ask": true | false,
- "handlers": [{
- "name": "Gmail",
- "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
- }]
- }
- },
- "extensions": {
- "pdf": {
- "action": "useHelperApp",
- "ask": true | false,
- "handlers": [{
- "name": "Adobe Acrobat",
- "path": "/usr/bin/acroread"
- }]
+ "policies": {
+ "Handlers": {
+ "mimeTypes": {
+ "application/msword": {
+ "action": "useSystemDefault",
+ "ask": false
+ }
+ },
+ "schemes": {
+ "mailto": {
+ "action": "useHelperApp",
+ "ask": true | false,
+ "handlers": [{
+ "name": "Gmail",
+ "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
+ }]
+ }
+ },
+ "extensions": {
+ "pdf": {
+ "action": "useHelperApp",
+ "ask": true | false,
+ "handlers": [{
+ "name": "Adobe Acrobat",
+ "path": "/usr/bin/acroread"
+ }]
+ }
+ }
-If this value is true, a master password is required. If this values is false, it works the same as `DisableMasterPasswordCreation` and removes the master password functionality.
+If this value is true, a primary password is required. If this value is false, it works the same as `DisableMasterPasswordCreation` and removes the primary password functionality.
| If false, the Widevine plugin is not downloaded.
| media.peerconnection.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
| If false, WebRTC is disabled
| If false, the Widevine plugin is not downloaded.
| media.peerconnection.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
| If false, WebRTC is disabled
-| media.peerconnection.ice.obfuscate_host_addresses.whitelist | string | Firefox 72, Firefox ESR 68.4 | N/A
+| media.peerconnection.ice.obfuscate_host_addresses.whitelist (Deprecated) | string | Firefox 72, Firefox ESR 68.4 | N/A
+| If set, a list of domains for which mDNS hostname obfuscation is
+disabled
+| media.peerconnection.ice.obfuscate_host_addresses.blocklist | string | Firefox 79, Firefox ESR 78.1 | N/A
| If set, a list of domains for which mDNS hostname obfuscation is
disabled
| network.dns.disableIPv6 | boolean | Firefox 68, Firefox ESR 68 | false
| If set, a list of domains for which mDNS hostname obfuscation is
disabled
| network.dns.disableIPv6 | boolean | Firefox 68, Firefox ESR 68 | false