created: 20180907160514426
creator: user
modified: 20180907161924988
modifier: user
tags: 
title: PortForwarding
type: text/vnd.tiddlywiki

iptables
--------

echo "1" > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to-destination 2.2.2.2:4443
iptables -t nat -A POSTROUTING -j MASQUERADE

443 is local to machine running iptables
4443 is destination machine port