What is the port number for ………?

what do you do when you need to know a port number for a protocol that needs to be allowed through a firewall? This is a pretty neat command phone#show ip port-map skinny Default mapping:  skinny        tcp port 2000                       system defined Another example phone#show ip port-map ssh Default mapping:  ssh       tcp port 22                         system defined Default … More What is the port number for ………?