User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1b3) Gecko/20090305 Firefox/3.1b3 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1b3) Gecko/20090305 Firefox/3.1b3 Why to ask more than one time for proxy authentication, in a single section of browsing (At starting of the section. I think its asking for each and every add-on installed. This is really the most worst thing in Firefox. If you don't mind, just have a look at Opera's world best design of Proxy authentication. (Opera actually remembers all the proxy user names and passwords, and its very easy for an user to select from a list). In Firefox absolutely, this is a big headache. I love Firefox in every aspect except this.Please pleas please resolve this Reproducible: Always