It's immoral, unethical, and technically illegal. It's theft. If you're on their network, they can do anything they want to your machine. Make sure you turn off any filesharing on your machine and turn off all but the barest essential services, and everything like that.
umheint0's phat setup --> <A HREF="http://home.cc.umanitoba.ca/~umheint0/system.html" target="_new">http://home.cc.umanitoba.ca/