Users cannot access a webserver and after the traffic is captured, the capture tool shows an ICMP packet that reports "communication administratively prohibited...

Users cannot access a webserver and after the traffic is captured, the capture tool shows an ICMP packet that reports "communication administratively prohibited". What is the cause of this webserver access issue?

A. An access list along the path is blocking the traffic. B. Users must authenticate on the webserver to access it. C. A router along the path is overloaded and thus dropping traffic. D. The traffic is not allowed to be translated with NAT and dropped.