Mozilla Firefox: 1.0 to 1.9

If this policy is enabled, a user can[removed: ]not bypass the warning and visit a harmful site. If this policy is disabled or not configured, a user can choose to visit a harmful site.

If this policy is enabled, pop-up windows are always allowed for the [removed: URLS][added: origins] indicated. If a top level domain is specified (http://example.org), pop-up windows are allowed for all subdomains as well. If this policy is disabled or not configured, the default pop-up policy is followed.

If this policy is enabled[added: ,] pop-up preferences cannot be changed by the user. If this policy is disabled or not configured, the user can change their pop-up preferences.

If this policy is enabled, you can set whether the search bar is separate from the URL bar. If this policy is [removed: not configured or disabled,][added: disabled or not configured,] new users get a unified search bar, users upgrading from Firefox 56 and below get a separate search bar.

If this policy is enabled, you can set [removed: type ]the name of a search engine to be used as the default. If this policy is [removed: not configured or disabled,][added: disabled or not configured,] the Firefox default engine is used.

If this policy is enabled, the user cannot install search engines from web page. If this policy is [removed: not configured or disabled,][added: disabled or not configured,] search engines can be installed from web pages.