Rated 4 out of 5 stars

per Rick Saul el set. 27, 2011 ·

works well for saving passwords for proxy.. Not working with T/Bird version 7 though.. thanks for the effort

This review is for a previous version of the add-on (3.0.2.1-signed.1-signed). 

per Tomás Velázquez (desenvolupador) a oct. 10, 2011 ·

https://addons.mozilla.org/en-US/firefox/addon/guifiproxy/versions/?page=1#version-3.0.3