Setting up quick Natted gateway on Etch

issues the following on the internal network card

up iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
down iptables -t nat -D POSTROUTING -o eth1 -j MASQUERADE


also edit /etc/sysctl.conf and make sure the following line is uncommented and has the value 1 set.

net.ipv4.conf.default.forwarding=1

Thanks to Author, orignal source http://blog.sushilsuresh.co.uk/2007/07/setting-up-quick-natted-gateway-on-etch.html