| **[`DefaultDownloadDirectory`](#defaultdownloaddirectory)** | Set the default download directory.
| **[`DownloadDirectory`](#downloaddirectory)** | Set and lock the download directory.
| **[`EnableTrackingProtection`](#enabletrackingprotection)** | Configure tracking protection.
+| **[`EncryptedMediaExtensions`](#encryptedmediaextensions)** | Enable or disable Encrypted Media Extensions and optionally lock it.
| **[`EnterprisePoliciesEnabled`](#enterprisepoliciesenabled)** | Enable policy support on macOS.
| **[`Extensions`](#extensions)** | Control the installation, uninstallation and locking of extensions.
| **[`ExtensionSettings`](#extensionsettings)** | Manage all aspects of extensions.
{
"policies": {
"EnableTrackingProtection": {
- "Value": [true, false],
- "Locked": [true, false],
- "Cryptomining": [true, false],
- "Fingerprinting": [true, false],
+ "Value": true | false,
+ "Locked": true | false,
+ "Cryptomining": true | false,
+ "Fingerprinting": true | false,
"Exceptions": ["https://example.com"]
}
}
```
+### EncryptedMediaExtensions
+Enable or disable Encrypted Media Extensions and optionally lock it.
+
+If `Enabled` is set to false, encrypted media extensions (like Widevine) are not downloaded by Firefox unless the user consents to installing them.
+
+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.
+
+**Compatibility:** Firefox 77, Firefox ESR 68.9\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `media.eme.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Enabled = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\EncryptedMediaExtensions\Locked = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Enabled
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~EncryptedMediaExtensions/EncryptedMediaExtensions_Locked
+```
+Value (string):
+```
+<enabled/>or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>EncryptedMediaExtensions</key>
+ <dict>
+ <key>Enabled</key>
+ <true/> | <false/>
+ <key><Locked</key>
+ <true/> | <false/>
+ </dict>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "EncryptedMediaExtensions": {
+ "Enabled": true | false,
+ "Locked": true false
+ }
+}
+```
### EnterprisePoliciesEnabled
Enable policy support on macOS.
| If false, the geolocation API is disabled. | Language dependent
| intl.accept_languages | string | Firefox 70, Firefox ESR 68.2
| If set, preferred language for web pages.
-| media.eme.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
+| media.eme.enabled (Deprecated - Switch to EncryptedMediaExtensions policy) | boolean | 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.
"policies": {
"Proxy": {
"Mode": "none", "system", "manual", "autoDetect", "autoConfig",
- "Locked": [true, false],
+ "Locked": true | false,
"HTTPProxy": "hostname",
- "UseHTTPProxyForAllProtocols": [true, false],
+ "UseHTTPProxyForAllProtocols": true | false,
"SSLProxy": "hostname",
"FTPProxy": "hostname",
"SOCKSProxy": "hostname",
"SOCKSVersion": 4 | 5
"Passthrough": "<local>",
"AutoConfigURL": "URL_TO_AUTOCONFIG",
- "AutoLogin": [true, false],
- "UseProxyForDNS": [true, false]
+ "AutoLogin": true | false,
+ "UseProxyForDNS": true | false
}
}
}