Microsoft Windows XP SP2 or later Firefox Permissions Popups Cookies Addons Flash Allow Block Block About Addons Block access to the Add-ons Mananger (about:addons). Block About Config Blocks access to the about:config page. Block About Profiles Blocks access to the about:profiles page. Block About Support Blocks access to the about:support page. Block Set Desktop Background Prevents usage of the "Set Image as Desktop Background" feature. Create Master Password If false, removes access to create a master password. Disable Update Prevent the browser from updating. Disable Developer Tools Prevents access to developer tools. Disable Firefox Screenshots Prevents usage of the Firefox Screenshots feature. Disable Firefox Studies Prevents Firefox from running studies. Disable Form History Don't remember search and form history. Disable Pocket Prevents ability to save webpages to Pocket. Display Bookmarks Toolbar Causes the bookmarks toolbar to be displayed by default. Display Menu Bar Causes the menu bar to be displayed by default. Don't Check Default Browser Don't check for the default browser on startup. Rember Passwords Enforces the setting to allow Firefox to remember saved logins and passwords. Both true and false values are accepted. URLs to allow popups. URLs to allow addons. URLs to allow cookies. URLs to block cookies. URLs to allow Flash. URLs to block Flash. Allow popups for websites Allow add-ons for websites Allow cookies for websites Block cookies for websites Allow Flash for websites Block Flash for websites