I hope XP has some good support for applications with more network control than Win 9x. Given that it is supposedly a 9x/NT hybrid, I would expect it to. Currently in 9x I deal with connections that I wish to kill by first blocking them off with a firewall, then by ternimating unfamiliar processes program by program until the port closes or stops being in listen mode. I know there is some program called Inzsider or something that will work on 9x to determinte which program is bound to which ports, but for me it was excessively slow, and most firewall solutions do that already.
