Problems with download possible firewall

Hey I installed the limewire in my pc
the firewall status don't show the wall .... what's indicate that the connection is good and it really is
the uploads are running ok
but the downloads aren't
i'm having problem on downloads connection
i think it's probably the firewall
i use the sygate pro
i tried to liberate the doors
but still having no connections on download
can anyone help me ?

sorry about my english I'm brazilian

someone knows the ports that the limewire use ??
or it's really a download problem like many people are having as you see in this forum ?