Using Fiddler on localhost

Fiddler is a great tool to analyse http traffic to the server. But it's sometimes difficult to make it work on localhost. But if you enter a simple dot (.) after "localhost" in the url it works.

So intead of http://localhost:8081/...,
use http://localhost.:8081/...

Reference:
http://weblogs.asp.net/lorenh/archive/2008/01/10/tip-for-using-fiddler-on-localhost.aspx