"The Ghacks user.js list covering the majority of privacy and security configuration options for the Firefox web browser has been updated.Source: gHacks Tech News
"... please remember that this is my user.js as it is today. I do not expect or want anyone to just run with it. You should know what you are doing. That said, I have kept the warning list at the top up to date, but I will never catch everything for everybody. This list is meant to be a TEMPLATE, please treat it as such. ..."
The most comprehensive Firefox user.js has been updated