Hi manahale
I'm sorry somehow I missed your post.
So you will need to forward a port.
1. 1st you'll need to set up a static ip:
How to set up a static IP address with the Linksys Router 2. Port Forwarding instructions for the Linksys BEFSR41 versions 3, 4, 5 and CA & use
Port 6346 You may need to reboot your router to accept these changes (i'm not totally sure about that.)
3. Within LW you'll need to force ip:
Force IP instructions & sample image