IIS Authentication Required Dialog Working?

1. Open Firefox
2. In the address bar type: about:config
3. Firefox3.x and later requires you to agree that you will proceed with caution.
4. After the config page loads, in the filter box type: network.automatic
5. * Modify network.automatic-ntlm-auth.trusted-uris by double clicking the row and enter 127.0.01 or localhost or your desire site address
6. * Multiple sites can be added by comma delimiting them such as http://www.yoursite.com, http://www.mysite.com