| **[`Certificates -> ImportEnterpriseRoots`](#certificates--importenterpriseroots)** | Trust certificates that have been added to the operating system certificate store by a user or administrator.
| **[`Certificates -> Install`](#certificates--install)** | Install certificates into the Firefox certificate store.
| **[`Cookies`](#cookies)** | Configure cookie preferences.
-| **[`DisableSetDesktopBackground`](#disablesetdesktopbackground)** | Remove the "Set As Desktop Background..." menuitem when right clicking on an image.
-| **[`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.
| **[`DisableFirefoxStudies`](#disablefirefoxstudies)** | Disable Firefox studies (Shield).
| **[`DisableForgetButton`](#disableforgetbutton)** | Disable the "Forget" button.
| **[`DisableFormHistory`](#disableformhistory)** | Turn off saving information on web forms and the search bar.
+| **[`DisableMasterPasswordCreation`](#disablemasterpasswordcreation)** | Remove the master password functionality.
| **[`DisablePasswordReveal`](#disablepasswordreveal)** | Do not allow passwords to be revealed in saved logins.
| **[`DisablePocket`](#disablepocket)** | Remove Pocket in the Firefox UI.
| **[`DisablePrivateBrowsing`](#disableprivatebrowsing)** | Remove access to private browsing.
| **[`DisableProfileRefresh`](#disableprofilerefresh)** | Disable the Refresh Firefox button on about:support and support.mozilla.org
| **[`DisableSafeMode`](#disablesafemode)** | Disable safe mode within the browser.
| **[`DisableSecurityBypass`](#disablesecuritybypass)** | Prevent the user from bypassing security in certain cases.
+| **[`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 update.
| **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
| **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
### DisableMasterPasswordCreation
Remove the master password functionality.
+If this value is true, it works the same as setting [`PrimaryPassword`](#primarypassword) to false and removes the primary password functionality.
+
+If both DisableMasterPasswordCreation and PrimaryPassword are used, DisableMasterPasswordCreation takes precedent.
+
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** `noMasterPassword`\
**Preferences Affected:** N/A
#### Windows (GPO)
```
-Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) =
+Software\Policies\Mozilla\Firefox\Handlers (REG_MULTI_SZ) =
{
"mimeTypes": {
"application/msword": {
### PrimaryPassword
Require or prevent using a primary (formerly master) password.
-If this value is true, a primary password is required. If this value is false, it works the same as `DisableMasterPasswordCreation` and removes the primary password functionality.
+If this value is true, a primary password is required. If this value is false, it works the same as if [`DisableMasterPasswordCreation`](#disablemasterpasswordcreation) was true and removes the primary password functionality.
+
+If both DisableMasterPasswordCreation and PrimaryPassword are used, DisableMasterPasswordCreation takes precedent.
**Compatibility:** Firefox 79, Firefox ESR 78.1\
**CCK2 Equivalent:** `noMasterPassword`\
#### Windows (GPO)
```
-Software\Policies\Mozilla\Firefox\Proxy\Mode = "none", "system", "manual", "autoDetect", "autoConfig"
+Software\Policies\Mozilla\Firefox\Proxy\Mode = "none" | "system" | "manual" | "autoDetect" | "autoConfig"
Software\Policies\Mozilla\Firefox\Proxy\Locked = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\=Proxy\HTTPProxy = https://httpproxy.example.com
Software\Policies\Mozilla\Firefox\Proxy\UseHTTPProxyForAllProtocols = 0x1 | 0x0
{
"policies": {
"Proxy": {
- "Mode": "none", "system", "manual", "autoDetect", "autoConfig",
+ "Mode": "none" | "system" | "manual" | "autoDetect" | "autoConfig",
"Locked": true | false,
"HTTPProxy": "hostname",
"UseHTTPProxyForAllProtocols": true | false,
```
### UserMessaging
-Prevent installing search engines from webpages.
+Prevent Firefox from messaging the user in certain situations.
`WhatsNew` Remove the "What's New" icon and menuitem. (Firefox 75 only)
-`ExtensionRecommendations` Don't recommend extensions.
+`ExtensionRecommendations` Don't recommend extensions while the user is visiting web pages.
`FeatureRecommendations` Don't recommend browser features.