My post title was going to be "firewall noob vs. double NAT", but I'm too much of a noob to tell if that's where the problem is. ๐
Edit: plus, is it actually a double NAT if I try to port forward into 10.0.0.x from 192.168.0.x? I'm only crossing one NAT, no?
i times i is -1, though. Imagine that!