NAT on GuardDog

Using GD is possible creating NAT rule for PC in the external network or in
DMZ?
I have one server with 2 interfaces, and why configure teh 2 interfaces ??
The Guarddog only configurede the system, without considere 2 interfaces of
network. And I needed configure the interfaces individuality.
Í acees one machine in my lan using VNC, so im my house i usi vnc conecting
on IP valid and my server redirect the request for my machine in my work on
IP 10.100.1.12. How i configure GD for this aplication ?




Help me

Flavio