The Configuration Editor (about:config page) lists Firefox settings known as preferences that are read from the prefs.js and user.js files in the Firefox profile and from application defaults. Many of these preferences are advanced settings that are not present in the Options Preferences panel. This article describes how to use the about:config page to view, change, or reset Firefox preference settings, if you need to do so.

Apr 05, 2017 · Note: In Firefox, this can be changed via "Tools → Options → General (Firefox 2.0+: Advanced → Network) → Connection Settings → Manual proxy configuration → Use the same proxy for all protocols" Aug 17, 2018 · about:config is a feature of Mozilla Firefox that allows the users to change and manipulate the preferences on Firefox on a more complex level. It lists application settings that are known as preferences. The preferences are read from profile files user.js and prefs.js and application defaults. To access proxy settings in Mozilla Firefox, click on Firefox’s menu and go to Options. Click the “Advanced” icon at the left side of the Preferences window, click the “Network” tab at the top of the window, and then click the “Settings” button under Connection. Mar 14, 2018 · Unpack the file with the command tar xvfj firefox-*.bz2. This will create a new folder called firefox-XX (where XX is the release number). Within that folder is the sub-folder, firefox. Let's move

Feb 10, 2017 · about:config is a feature of Mozilla applications which lists application settings (known as preferences) that are read from the profile files prefs.js and user.js, and from application defaults. Many of these preferences are not present in the Options or Preferences dialog.

Jul 28, 2018 · Firefox users and system administrators have two options to use policies. They can create a policies.json file manually and fill it with appropriate policies, or use the excellent Enterprise Policy Generator instead. Just install the extension in the Firefox web browser and open its settings with a click on the icon.

Firefox; Safari; Opera; Chrome; iOS; Android; Firefox. Follow these instructions to activate and enable JavaScript in Firefox. PC & MAC. Open a new Firefox browser window or tab. Copy the following then paste it into the Firefox address bar: about:config; Hit the Enter key. On the following page, click the button: "I'll be careful, I promise!" The Ultimate Guide to Making Firefox Safer