| **[`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.
-| **[`MasterPassword`](#masterpassword)** | Require or prevent using a master password.
| **[`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.
Trust certificates that have been added to the operating system certificate store by a user or administrator.
+Note: This policy only works on Windows and macOS. For Linux discussion, see [bug 1600509](https://bugzilla.mozilla.org/show_bug.cgi?id=1600509).
+
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)\
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"/>
+```
#### macOS
```
<dict>
"ask": true | false,
"handlers": [{
"name": "Gmail",
- "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
+ "uriTemplate": "https://mail.google.com/mail/?extsrc=mailto&url=%s"
}]
}
},
#### policies.json
```
{
- "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"
+ }]
+ }
+ }
}
}
}
}
}
```
-### MasterPassword
-Require or prevent using a master password.
-
-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.
-
-**Compatibility:** Firefox 78, Firefox ESR 78\
-**CCK2 Equivalent:** `noMasterPassword`\
-**Preferences Affected:** N/A
-
-#### Windows (GPO)
-```
-Software\Policies\Mozilla\Firefox\MasterPassword = 0x1 | 0x0
-```
-#### Windows (Intune)
-OMA-URI:
-```
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/MasterPassword
-```
-Value (string):
-```
-<enabled/> or <disabled/>
-```
-#### macOS
-```
-<dict>
- <key>MasterPassword</key>
- <true/> | <false/>
-</dict>
-```
-#### policies.json
-```
-{
- "policies": {
- "MasterPassword": true | false
- }
-}
-```
### NetworkPrediction
Enable or disable network prediction (DNS prefetching).
| 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
```
<enabled/> or <disabled/>
```
+OMA-URI: (periods are replaced by underscores)
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Preferences/string_preference_name
+```
+Value (string):
+```
+<enabled/>
+<data id="Preferences_String" value="string_value"/>
+```
#### macOS
```
<dict>