You no longer need to manually configure your browser settings. Firefox has auto-configuration for almost any setting. File with autopolicies for about:config page / Список настроек на русском
All the current settings can be viewed without opening the browser at: profile/prefs.js
- IMPORTANT: for THIS file to work, create a file (
autoconfig.js,prefs.js): - AFTER that you can create the file (here are some examples of the most famous settings):