NAT


Network Address Translation, the mainstay of the IPv4 world.

Setting up NAT in Mac OS X

(snarfed from Davi's node for my easy reference)

# natd -dynamic -interface ppp0 -v & # for verbose output
natd -dynamic -interface ppp0
ipfw add divert natd ip from any to any via ppp0
sysctl -w net.inet.ip.forwarding=1