| Policy Name | Description
| --- | --- |
-| **[`AppAutoUpdate`](#AppAutoUpdate)** | Enable or disable automatic application update.
-| **[`AppUpdateURL`](#AppUpdateURL)** | Change the URL for application update.
-| **[`Authentication`](#Authentication)** | Configure sites that support integrated authentication.
+| **[`AppAutoUpdate`](#appautoupdate)** | Enable or disable automatic application update.
+| **[`AppUpdateURL`](#appupdateurl)** | Change the URL for application update.
+| **[`Authentication`](#authentication)** | Configure sites that support integrated authentication.
| **[`BlockAboutAddons`](#blockaboutaddons)** | Block access to the Add-ons Manager (about:addons).
| **[`BlockAboutConfig`](#blockaboutconfig)** | Block access to about:config.
| **[`BlockAboutProfiles`](#blockaboutprofiles)** | Block access to About Profiles (about:profiles).
| **[`DisableMasterPasswordCreation`](#disablemasterpasswordcreation)** | Remove the master password functionality.
| **[`DisableAppUpdate`](#disableappupdate)** | Turn off application updates.
| **[`DisableBuiltinPDFViewer`](#disablebuiltinpdfviewer)** | Disable the built in PDF viewer.
+| **[`DisabledCiphers`](#disabledciphers)** | Disable ciphers.
+| **[`DisableDefaultBrowserAgent`](#disabledefaultbrowseragent)** | Prevent the default browser agent from taking any actions (Windows only).
| **[`DisableDeveloperTools`](#disabledevelopertools)** | Remove access to all developer tools.
| **[`DisableFeedbackCommands`](#disablefeedbackcommands)** | Disable the menus for reporting sites.
| **[`DisableFirefoxScreenshots`](#disablefirefoxscreenshots)** | Remove access to Firefox Screenshots.
}
}
```
+### DisabledCiphers
+Disable specific cryptographic ciphers.
+
+**Compatibility:** Firefox 68.8, Firefox ESR 76\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_128_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_AES_256_CBC_SHA = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisabledCiphers\TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0x1 | 0x0
+```
+#### macOS
+```
+<dict>
+ <key>DisabledCiphers</key>
+ <dict>
+ <key>TLS_DHE_RSA_WITH_AES_128_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_DHE_RSA_WITH_AES_256_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256</key>
+ <true/> | <false/>
+ <key>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256</key>
+ <true/> | <false/>
+ <key>TLS_RSA_WITH_AES_128_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_RSA_WITH_AES_256_CBC_SHA</key>
+ <true/> | <false/>
+ <key>TLS_RSA_WITH_3DES_EDE_CBC_SHA</key>
+ <true/> | <false/>
+ </dict>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "DisabledCiphers" {
+ "TLS_DHE_RSA_WITH_AES_128_CBC_SHA": true | false,
+ "TLS_DHE_RSA_WITH_AES_256_CBC_SHA": true | false,
+ "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA": true | false,
+ "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA": true | false,
+ "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256": true | false,
+ "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": true | false,
+ "TLS_RSA_WITH_AES_128_CBC_SHA": true | false,
+ "TLS_RSA_WITH_AES_256_CBC_SHA": true | false,
+ "TLS_RSA_WITH_3DES_EDE_CBC_SHA": true | false
+ }
+ }
+}
+```
+### DisableDefaultBrowserAgent
+Prevent the default browser agent from taking any actions. Only applicable to Windows; other platforms don’t have the agent.
+
+**Compatibility:** Firefox 75, Firefox ESR 68.7 (Windows only)\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\DisableDefaultBrowserAgent = 0x1 | 0x0
+```
+
+#### policies.json
+```
+{
+ "policies": {
+ "DisableDefaultBrowserAgent": true | false
+ }
+}
+```
### DisableDeveloperTools
Remove access to all developer tools.
`Locked` prevents the user from changing DNS over HTTPS preferences.
-**Compatibility:** Firefox 63, Firefox ESR 68\
+`ExcludedDomains` excludes domains from DNS over HTTPS.
+
+**Compatibility:** Firefox 63, Firefox ESR 68 (ExcludedDomains added in 75/68.7)\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.trr.mode`,`network.trr.uri`
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "URL_TO_ALTERNATE_PROVIDER"
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ExcludedDomains\1 = "example.com"
```
#### macOS
```
<string>URL_TO_ALTERNATE_PROVIDER</string>
<key>Locked</key>
<true/> | <false/>
+ <key>ExcludedDomains</key>
+ <array>
+ <string>example.com</string>
+ </array>
</dict>
</dict>
```
"DNSOverHTTPS": {
"Enabled": true | false,
"ProviderURL": "URL_TO_ALTERNATE_PROVIDER",
- "Locked": true | false
+ "Locked": true | false,
+ "ExcludedDomains": ["example.com"]
}
}
}
`Locked` prevents the user from changing preferences for the feature.
-**Compatibility:** Firefox 62, Firefox ESR 60.2 (Autoplay added in Firefox 74, Firefox ESR 68.6\
+`Default` specifies the default value for Autoplay. block-audio-video is not supported on Firefox ESR 68.
+
+**Compatibility:** Firefox 62, Firefox ESR 60.2 (Autoplay added in Firefox 74, Firefox ESR 68.6, Autoplay Default/Locked added in Firefox 76, Firefox ESR 68.8)\
**CCK2 Equivalent:** N/A\
-**Preferences Affected:** `permissions.default.camera`,`permissions.default.microphone`,`permissions.default.geo`,`permissions.default.desktop-notification`
+**Preferences Affected:** `permissions.default.camera`,`permissions.default.microphone`,`permissions.default.geo`,`permissions.default.desktop-notification`,`media.autoplay.default`
#### Windows (GPO)
```
Software\Policies\Mozilla\Firefox\Permissions\Notifications\Locked = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Allow\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Block\1 = "https://example.edu"
+Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Default = "allow-audio-video" | "block-audio" | "block-audio-video"
+Software\Policies\Mozilla\Firefox\Permissions\Autoplay\Locked = 0x1 | 0x0
```
#### macOS
```
<string>https://example.edu</string>
</array>
<key>BlockNewRequests</key>
- <true/>
+ <true/> | <false/>
<key>Locked</key>
- <true/>
+ <true/> | <false/>
</dict>
<key>Microphone</key>
<dict>
<string>https://example.edu</string>
</array>
<key>BlockNewRequests</key>
- <true/>
+ <true/> | <false/>
<key>Locked</key>
- <true/>
+ <true/> | <false/>
</dict>
<key>Location</key>
<dict>
<string>https://example.edu</string>
</array>
<key>BlockNewRequests</key>
- <true/>
+ <true/> | <false/>
<key>Locked</key>
- <true/>
+ <true/> | <false/>
</dict>
<key>Notifications</key>
<dict>
<array>
<string>https://example.edu</string>
</array>
+ <key>Default</key>
+ <string>allow-audio-video | block-audio | block-audio-video</string>
+ <key>Locked</key>
+ <true/> | <false/>
</dict>
</dict>
</dict>
},
"Autoplay": {
"Allow": ["https://example.org"],
- "Block": ["https://example.edu"]
+ "Block": ["https://example.edu"],
+ "Default": "allow-audio-video" | "block-audio" | "block-audio-video",
+ "Locked": true | false
}
}
}
| If set to Select Automatically, Firefox automatically chooses the default personal certificate.
| security.mixed_content.block_active_content | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, mixed active content (HTTP and HTTPS) is not blocked.
-| security.osclientcerts.autoload | boolean | Firefox 72, Firefox ESR 68.4 (Windows only) | false
+| security.osclientcerts.autoload | boolean | Firefox 72 (Windows), Firefox 75 (macOS) | false
| If true, client certificates are loaded from the operating system certificate store.
| security.ssl.errorReporting.enabled | boolean | Firefox 68, Firefox ESR 68 | true
| If false, SSL errors cannot be sent to Mozilla.
}
}
```
+<a name="SanitizeOnShutdown"></a>
+
### SanitizeOnShutdown (Selective)
Clear data on shutdown. Choose from Cache, Cookies, Download History, Form & Search History, Browsing History, Active Logins, Site Preferences and Offline Website Data.
}
}
```
-
-
-
-
+<a name="SearchEngines"></a>
### SearchEngines (This policy is only available on the ESR.)