can somebody explain how irc software work. this question pop up because of i try to connect to irc at my college but cannot connected. wat i believe if, it the admin block all chatting activities. but i wondering how he can block all irc software coz i try msn explorer chat, msn messenger, mirc, AOchat,yahoo messenger.my p0int is, if we know how irc work well may be we can use very simple method to block all irc. am i right.

thank for clarify