Try the tips in this link on configuring the Sygate Firewall...
http://www.limewire.com/english/cont...tconnect.shtml
If you still have trouble what's the name and model number for your modem/router ??
With the magnet links make sure you have limewire open and you click on the Gnutella link not the edonkey one...
It should open up for you...
I will ask Admin about your password problem...