Good to a point Rated 3 out of 5 stars

Works excellent in Firefox and can be placed up above even tho' it don't tell you that. Does not stop internet traffic like Google Earth or anything on your computer that feels a need to phone home, updates, etc. that are not connected with Firefox. So,,, if you want to disconnect Firefox-good, if you want to stop all traffic, not so good.

This review is for a previous version of the add-on (0.5.1-signed).