I would like to forward an external port to a different port on a machine on a private network. However, I need to SNAT the traffic to appear to be from the gateway's internal IP, since the destination machine has a totally different outbound route. I'm combining two questions here, but I'm not sure if I can merge the results of asking them separately.
Gateway = 1.2.3.4/192.168.2.5, internal server = 192.168.2.10
I'm used to doing this, …