Port Forwarding

Linux 2.2.x

ipmasqadm portfw -a -P tcp -L 1.2.3.4 8080 -R 192.168.1.1 80





Linux 2.4.x

iptables -A PREROUTING -t nat -p tcp -d 1.2.3.4 --dport 8080
    -j DNAT --to 192.168.1.1:80
iptables -A OUTPUT -t nat -p tcp -d 1.2.3.4 --dport 8080
    -j DNAT --to 192.168.1.1:80