The simplest level would to add what settings you want to Prefs.js file. http://kb.mozillazine.org/Prefs.js_file http://kb.mozillazine.org/Prefs.js_file If you

The simplest level would to add what settings you want to Prefs.js file. http://kb.mozillazine.org/Prefs.js_file http://kb.mozillazine.org/Prefs.js_file If you want the preferences locked the application level and not be overridden or be unchangeable at profile level. Mainly important if you are managing a lot systems. http://kb.mozillazine.org/Locking_preferences http://kb.mozillazine.org/Locking_preferences