Well I dropped out of university after completing 4 qualifications so I guess that counts me out.
If you want high tech support, I suggest you go to such a site. There's plenty around.
Wireless devices have internal NAT firewalls. So to use such a one with LimeWire, you have the option of enabling UPnP or else, forwarding (opening) a port. Check under the UPnP section of the link I gave above for D-Link devices.