Servers behind NAT router how do I reach them?

Norman Segall norman.segall "at"
Sat Jan 31 17:56:01 2004

3 pc behind a friends NAT router - broadband internet connections both ends.
I can reach individual PC by accessing the router service table and changing
the VNC service to differing network computer ip addresses (192.168.0.x). Is
there an easier way of doing this? Looked in documentation but cant see an