Hi,
You cannot use [Servername]:444 to configure IFD.
You will issues and all the service URL's may not work. And this not the process to configure IFD.
Please follow the steps which are mentioned in the Claim-based authentication document.
Regards,
Khaja Mohiddin
http://www.dynamicsexchange.com/
http://about.me/KhajaMohiddin