1. http://romualdas.spaces.live.com/blog/cns!DCDC5E439E70339D!1006.entry
2. http://social.technet.microsoft.com/Forums/en-US/winserversecurity/thread/3bfd8974-ac8a-4c53-ade8-e8b71713f92a
3. http://forums.iis.net/
4. http://notgartner.wordpress.com/2007/09/06/using-certificate-based-authentication-and-protection-with-windows-communication-foundation-wcf/