Having problems connecting to muliplay through shared internet

[Bacon00]

I set up my shared internet a couple days ago, and now I can't seem to get any pings back from JK2 servers. It worked for a few seconds, but now it does nothing. I'm using a D-Link 604, all updated and everything. I probably need to open up some ports or something, but I don't know what.. can anybody help me?

edit:
never mind, just read that everybody is having this problem. Thank goodness, I Didn't feel like messing with this dang shared internet any longer!