Cannot login after moving to dorm
Talk with the net admin of the dorm. They will have to give you access. In a lot of cases the ports needed are blocked. Guild Wars 2 requires TCP ports 80, 443, 6112 and port 6600 inbound/outbound.
Also this may or may not help: https://forum-en.gw2archive.eu/forum/support/tech/10-5-11-2130-101-closed-connections/first#post77719
Oh, f*** me sideways,it worked. Cheers mate!