For IT Pros This page contains information about the "Fully Closed" campus firewall group.
The Fully Closed group is designed for desktops and for servers that serve only on-campus users. It allows traffic to leave the computer without restriction, and allows responses to the user's requests. It blocks all incoming traffic from off campus that is not in response to a user's request. It's too restrictive for a server with off-campus users.
This is the default group to which all machines belong, until and unless they are transferred into a different group.
All (except the ports that are always blocked in both directions)