yeah i have the same problem, i used to have bellsouth dsl and could foward my ports (by going to a certain address) so I would get pretty decent dl speeds when using bittorrent files. now the bt file wont conect to the tracker nor will it download. any one of you guys can help?
As was said in the earlier responses, port forwarding is not needed on cable modems. They just pass everything through, except for about 5 ports that they block (and none of them have anything to do with BitTorrent -- they're all involved in NetBIOS and Windows file/printer sharing). You only need port forwarding if you have a router. If you have one and need assistance configuring it, you'll have to provide details like the router model.
You should really start your own thread, you question doesn't have anythig to do with port forward on a modem (which makes no sense anyway). The short answer is no, those ports are not blocked. Several users have had a problem accessing ssh on their Comcast systems from outside the Comcast network, but they report the problem has mysteriously cleared up. If you are still having an issue, post your details in your own thread.