| 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.
+| **[`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.
Software\Policies\Mozilla\Firefox\Authentication\AllowProxies\NTLM = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Authentication\Locked = 0x1 | 0x0
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_SPNEGO
+```
+Value (string):
+```
+<enabled/>
+
+<data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_Delegated
+```
+Value (string):
+```
+<enabled/>
+
+<data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_NTLM
+```
+Value (string):
+```
+<enabled/>
+
+<data id="Authentication" value="1mydomain2https://myotherdomain.com"/>
+```
+```OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Authentication/Authentication_AllowNonFQDN
+```
+Value (string):
+```
+<enabled/>
+
+<data id="Authentication_AllowNonFQDN_NTLM" value="true | false"/>
+<data id="Authentication_AllowNonFQDN_SPNEGO" value="true | false"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageStartPage
+```
+Value (string):
+```
+<enabled/>
+
+<data id="StartPage" value="none | homepage | previous-session"/>
+```
#### macOS
```
<dict>
```
Software\Policies\Mozilla\Firefox\BlockAboutAddons = 0x1 | 0x0
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutAddons
+```
+Value (string):
+```
+<enabled/>
+```
#### macOS
```
<dict>
```
Software\Policies\Mozilla\Firefox\BlockAboutConfig = 0x1 | 0x0
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutConfig
+```
+Value (string):
+```
+<enabled/>
+```
#### macOS
```
<dict>
```
Software\Policies\Mozilla\Firefox\BlockAboutProfiles = 0x1 | 0x0
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutProfiles
+```
+Value (string):
+```
+<enabled/>
+```
#### macOS
```
<dict>
```
Software\Policies\Mozilla\Firefox\BlockAboutSupport = 0x1 | 0x0
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/BlockAboutSupport
+```
+Value (string):
+```
+<enabled/>
+```
#### macOS
```
<dict>
}
}
```
+### 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"]
}
}
}
Software\Policies\Mozilla\Firefox\Homepage\Additional\2 = "https://example.edu"
Software\Policies\Mozilla\Firefox\Homepage\StartPage = "none" | "homepage" | "previous-session"
```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageURL
+```
+Value (string):
+```
+<enabled/>
+
+<data id="HomepageURL" value="https://example.com"/>
+<data id="HomepageLocked" value="true | false"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageAdditional
+```
+Value (string):
+```
+<enabled/>
+
+<data id="HomepageAdditional" value="1http://example.org2http://example.edu"/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Homepage/HomepageStartPage
+```
+Value (string):
+```
+<enabled/>
+
+<data id="StartPage" value="none | homepage | previous-session"/>
+```
#### macOS
```
<dict>
}
}
```
+<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.)