Skip to content

Instantly share code, notes, and snippets.

@tuxdna
Created May 14, 2013 17:50
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
Star You must be signed in to star a gist
Save tuxdna/5577984 to your computer and use it in GitHub Desktop.
Setup NAT on latest Linux
IFOUT=usb0
IFLAN=em1
echo 1 > /proc/sys/net/ipv4/ip_forward &&
sudo iptables -t nat -A POSTROUTING -o $IFOUT -j MASQUERADE &&
sudo iptables -A FORWARD -i $IFOUT -o $IFLAN -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT &&
sudo iptables -A FORWARD -i $IFLAN -o $IFOUT -j ACCEPT
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment