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ibejohn818/gist:507fade3aa2b7f4dc218

Created April 5, 2015 17:28
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Linux NAT'ing Steps
Raw
gistfile1.txt
On NAT Host
1) enable IPv4 fowarding
/etc/sysctl.conf
2) Forward eth0 -> eth1 and vise-versa
-A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i eth1 -o eth0 -j ACCEPT
3) modify nat table to masquerade ( Rewrite ip packets )
/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
On private nodes, set DNS to be public facing such as Google Public DNS
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