■ A Web Application Hacker’s Toolkit
A large number of browser extensions are available for Firefox that may be
useful when attacking web applications, including the following:
■■ FoxyProxy enables flexible management of the browser’s proxy configuration,
allowing quick switching, setting of different proxies for different
URLs, and so on.
■■ Tamper Data allows viewing and modification of HTTP requests and
responses within the browser.
■■ LiveHTTPHeaders also allows modification of requests and responses,
and replaying of individual requests.
■■ AddNEditCookies enables the addition and modification of cookies’
values and attributes.
■■ CookieWatcher enables a cookie’s value to be monitored in a status bar.