Common plug-ins for Firefox
1.Add N Edit Cookies views and modifies local Cookie,Cookie spoofing prerequisites.
2.User Agent Switcher modifies the User Agent of the browser and can be used to XSS.
3.RefControl modifies Referer references, which can also be used to XSS or break some hotlink protection.
4.Live HTTP Headers records local Get and Post data, which can be modified and resubmitted.
5.Poster is used for Post and Get data.
6.HackBar mini-kit, which contains some commonly used tools. (SQL injection,XSS, encryption, etc.)
7.XSS-Me & SQL Inject-Me&Access-Me are used to detect XSS,SQL Inject and Access defects respectively.
8. How did you forget the best firebug?
Must-have side notes for 9.HostSpy (usage http://www.daokers.com/article/original/618.htm)
10.FireSheep 's excellent Firefox extension for HTTP session hijacking
11.Firecookie belongs to the Firebug extension, which allows you to view and manage the browser's cookies.