Bypassing a network firewall or block?

I just moved into my dorm today, and the internet is pretty sucky. I figured I'd try to log on maple to see how bad my lag was, but I get the Firewall/Server Check notification instead.
I also tried to torrent something just to make sure that it wasn't Maple that was the issue, and this is what I got:



Any idea on how to get around it? At least for Maple. I don't care so much for torrenting.