Hi, I've been using SNAT for some time on several systems. However on a system I just built I get the following response: # iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to 1.2.3.4 iptables: Invalid argument That's with 1.2.3.4 replaced by a real IP (or not). This is driving me up the wall since "Full NAT" support is compiled into the 2.4.21 kernel. The iptables version is 1.2.8. The only thing different in the kernel options from what I've used before is that I also included "NAT of local connections" - haven't tried to use that yet though. iptables is otherwise working fine. -j MASQUERADE (also compiled in) also gives me an "Invalid argument" - so it does look like something's wrong in the NAT section, but damned if I know what. Whit
