Mr. Smith needs access to other networks and should be able to use all services, but session authentication is not suitable. The Security Administrator selects client authentication with HTTP. The…

Mr. Smith needs access to other networks and should be able to use all services, but session authentication is not suitable. The Security Administrator selects client authentication with HTTP. The standard authentication port for client HTTP authentication (Port 900) is already in use. The Security Administrator wants to use the Port 9001, but there are some connectivity problems. What is the reason for the connectivity problems? Give the BEST answer.