At the beginning of last year I came across my school completely blocking Kazaa and pretty much everything else. It took days of my time and many other people on the TFP who tried to help me out. Then one day I stumbled across Ares.
www.softgap.com I perfer it more than Kazaa lite now. This is what I know works foresure, because of the way it is programmed. Also, BitTorrent would occasionaly work.