| **[`DisableSetDesktopBackground`](#disablesetdesktopbackground)** | Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
| **[`DisableSystemAddonUpdate`](#disablesystemaddonupdate)** | Prevent system add-ons from being installed or updated.
| **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
+| **[`DisableThirdPartyModuleBlocking`](#disablethirdpartymoduleblocking)** | Do not allow blocking third-party modules.
| **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
+| **[`DisplayBookmarksToolbar (Deprecated)`](#displaybookmarkstoolbar-deprecated)** | Set the initial state of the bookmarks toolbar.
| **[`DisplayMenuBar`](#displaymenubar)** | Set the state of the menubar.
| **[`DisplayMenuBar (Deprecated)`](#displaymenubar-deprecated)** | Set the initial state of the menubar.
| **[`DNSOverHTTPS`](#dnsoverhttps)** | Configure DNS over HTTPS.
{
"policies": {
"DefaultDownloadDirectory": "${home}/Downloads"
+ }
}
```
#### policies.json (Windows)
{
"policies": {
"DefaultDownloadDirectory": "${home}\\Downloads"
+ }
}
```
### DisableAppUpdate
}
}
```
+### DisableThirdPartyModuleBlocking
+Do not allow blocking third-party modules from the `about:third-party` page.
+
+This policy only works on Windows through GPO (not policies.json).
+
+**Compatibility:** Firefox 110 (Windows only, GPO only)\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\DisableThirdPartyModuleBlocking = = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableThirdPartyModuleBlocking
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
### DisplayBookmarksToolbar
+Set the initial state of the bookmarks toolbar. A user can still change how it is displayed.
+
+`always` means the bookmarks toolbar is always shown.
+
+`never` means the bookmarks toolbar is not shown.
+
+`newtab` means the bookmarks toolbar is only shown on the new tab page.
+
+**Compatibility:** Firefox 109, Firefox ESR 102.7\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\DisplayBookmarksToolbar = "always", "never", "newtab"
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisplayBookmarksToolbar_Enum
+```
+Value (string):
+```
+<enabled/>
+<data id="DisplayBookmarksToolbar" value="always | never | newtab"/>
+```
+#### macOS
+```
+<dict>
+ <key>DisplayBookmarksToolbar</key>
+ <string>always | never | newtab</string>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "DisplayBookmarksToolbar": "always" | "never" | "newtab"
+ }
+}
+```
+### DisplayBookmarksToolbar (Deprecated)
Set the initial state of the bookmarks toolbar. A user can still hide it and it will stay hidden.
**Compatibility:** Firefox 60, Firefox ESR 60\
<enabled/>
<data id="SupportMenuTitle" value="Support Menu"/>
<data id="SupportMenuURL" value="http://example.com/support"/>
-<data id="SupportMenuAccessKey" value="S">
+<data id="SupportMenuAccessKey" value="S"/>
```
#### macOS
```