Web Application Proxy (WAP) servers add a required function in an AD FS implementation. WAP servers sit in a demilitarized ...

Web Application Proxy (WAP) servers add a required function in an AD FS implementation. WAP servers sit in a demilitarized zone (DMZ) network (they are connected directly to the Internet) as workgroup machines. They receive and proxy traffic into the internal network where the AD FS servers reside to service authentication requests.