| **[`SupportMenu`](#supportmenu)** | Add a menuitem to the help menu for specifying support information.
| **[`UserMessaging`](#usermessaging)** | Don't show certain messages to the user.
| **[`WebsiteFilter`](#websitefilter)** | Block websites from being visited.
+| **[`WindowsSSO`](#windowssso)** | Allow Windows single sign-on for Microsoft, work, and school accounts.
### 3rdparty
}
```
### AutoLaunchProtocolsFromOrigins
-Define a list of external protocols that can be used from listed origins without prompting the user.
+Define a list of external protocols that can be used from listed origins without prompting the user. The origin is the scheme plus the hostname.
The syntax of this policy is exactly the same as the [Chrome AutoLaunchProtocolsFromOrigins policy](https://cloud.google.com/docs/chrome-enterprise/policies/?policy=AutoLaunchProtocolsFromOrigins) except that you can only use valid origins (not just hostnames). This also means that you cannot specify an asterisk for all origins.
If set to false, the application will not try to install updates when the application is not running.
-If you have disabled updates via `DisableAppUpdate` or disabled automatic updates via `AppUpdateAuto`, this policy has no effect.
+If you have disabled updates via `DisableAppUpdate` or disabled automatic updates via `AppAutoUpdate`, this policy has no effect.
**Compatibility:** Firefox 90 (Windows only)\
**CCK2 Equivalent:** N/A\
```
{
"policies": {
- "PSFjs": {
+ "PDFjs": {
"Enabled": true | false,
"EnablePermissions": true | false
}
| If true, client certificates are loaded from the operating system certificate store.
| security.ssl.errorReporting.enabled | boolean | true
| If false, SSL errors cannot be sent to Mozilla.
+| security.tls.enable_0rtt_data | boolean | true
+| If false, TLS early data is turned off (Firefox 93, Firefox 91.2, Firefox 78.15).
| security.tls.hello_downgrade_check | boolean | true
| If false, the TLS 1.3 downgrade check is disabled.
| security.tls.version.enable-deprecated | boolean | false
-| If true, browser will accept TLS 1.0. and TLS 1.1 (Firefox 86, Firefox 78.8)
+| If true, browser will accept TLS 1.0. and TLS 1.1 (Firefox 86, Firefox 78.8).
| security.warn_submit_secure_to_insecure | boolean | true
| If false, no warning is shown when submitting s form from https to http.
Value (string):
```
<enabled/>
-<data id="Permissions" value="unified | separate"/>
+<data id="SearchBar" value="unified | separate"/>
```
#### macOS
```
`SuggestURLTemplate` is a search suggestions URL with {searchTerms} to substitute for the search term.
-**Compatibility:** Firefox ESR 60 (POST support in Firefox ESR 68)\
+`Encoding` is the query charset for the engine. It defaults to UTF-8.
+
+**Compatibility:** Firefox ESR 60 (POST support in Firefox ESR 68, Encoding support in Firefox 91)\
**CCK2 Equivalent:** `searchplugins`\
**Preferences Affected:** N/A
#### Windows (Intune)
OMA-URI:
```
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_WhatsNew
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_ExtensionRecommendations
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_FeatureRecommendations
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_UrlbarInterventions
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/UserMessaging_SkipOnboarding
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_WhatsNew
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_ExtensionRecommendations
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_FeatureRecommendations
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_UrlbarInterventions
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~UserMessaging/UserMessaging_SkipOnboarding
```
Value (string):
```
Block websites from being visited. The parameters take an array of Match Patterns, as documented in https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Match_patterns.
The arrays are limited to 1000 entries each.
+If you want to block all URLs, you can use `<all_urls>` or `*://*/*`. You can't have just a `*` on the right side.
+
+For specific protocols, use `https://*/*` or `http://*/*`.
+
As of Firefox 83 and Firefox ESR 78.5, file URLs are supported.
**Compatibility:** Firefox 60, Firefox ESR 60\
```
Value (string):
```
-<enabled/>
-<data id="WebsiteFilter" value="1<all_urls>"/>
+<enabled/> <data id="WebsiteFilter" value="1<all_urls>"/>
```
OMA-URI:
```
}
}
```
+### WindowsSSO
+Allow Windows single sign-on for Microsoft, work, and school accounts.
+
+If this policy is set to true, Firefox will use credentials stored in Windows to sign in to Microsoft, work, and school accounts.
+
+**Compatibility:** Firefox 91\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** network.http.windows-sso.enabled
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\WindowsSSO = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/WindowsSSO
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "WindowsSSO": true | false
+ }
+}
+```