I'm having same problem here.I added the gnutella port but still couldn't get connected(the brick wall still there and there was a box saying that I'm not fully connected).Still not gave up,I tried to open the windows firewall to see whether it allows firewire and it does.I decided to put the 127.0.0.1 port in there and after that I got a warning saying that I need to contact my isp provider because the connection may block the Firewire.I got that it has nothing to do with the firewire,my windows firewall or anything else but the isp provider...There is only one thing I want to clarify,is there anything can be done if the problem is related to the isp provider.If there is nothing I can do,then I will just deal with the admin....