Rated 5 out of 5 stars
Excellent proxy switcher. I used Multiproxy Switch (which for unknown reasons disappeared from AMO) for years and now we a replacement for FF4.
But there seems to be a bug. If I add a proxy with the setting "No Proxy" and activate it, this proxy (not its configuration) is reverted to "System Proxy" in the addon-on bar after restarting Firefox. How can I avoid this?