share internet through NAT in iptables....
 

i have two lan card on my pc
eth0 - 172.16.0.254 ( Private )
eth1 - 10.0.3.12 ( public, Internet )

I want to route my packets Private to Public Network Via iptables rule......... i also want to share internet to my private network ....
Thanks with Warm regards
jitendra.sharma

Google will be a good friend when you ask right questions..
http://www.cyberciti.biz/tips/linux-...-line-etc.html
try this link

i solved with this Commands:-

#iptables -I INPUT -P all -j ACCEPT
#iptables -I OUTPUT -P all -j ACCEPT
#iptables -I FORWARD -P all -j ACCEPT
#iptables -t nat -I POSTROUTING -j MASQUERADE
#service iptables save