RE: Help me remember the name of a software

["mike king" <ngiles () hushmail com>]

Couple programs will allow you to do this etc..

Paros, which I have used to do web application assessments probably
one of the best free tools you can get.  Burpproxy is another tool
you can use to do this as well. Both of these apps will allow you
to modify POST GETS. Best of luck...

http://www.parosproxy.org/index.shtml
http://portswigger.net/proxy/