See if you can find out if anybody else has any p2p sharing program that works. Find out which one.
Sounds like the college has blocked port 6346 which is the official gnutella port. But they might also have filtered either LimeWire program or gnutella protocol. You said FrostWire also does not connect.
Trying Phex is an option, of course not using port 6346 however.
http://www.gnutellaforums.com/new-ph...ome-guide.html
An example of Gnutella filtering at a college:
College shapes Gnutella Bandwidth. This is an example of shaping, however they can also block if they choose.