> iptables -A POSTROUTING -t nat -s 192.168.132.230 -j SNAT --to > 212.23.233.40 iptables -A PREROUTING -t nat -d 212.23.233.40 -j DNAT > --to 192.168.132.230 And you have to make the linux box respond to arp requests on the outside interface: ip addr add dev ethX 212.23.223.40 //Jesper