how i can do with SNAT(iptables)

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https://bbs.archlinux.org – i have a public ip address (assume)and i want to setup a SNAT server to let interal PC access internet.Archlinux (Latest Verison with newly installed  and updated)eth0: (public ip addr)eth1: 2003NIC1: i input command to Archlinux Serveriptables -t nat -A POSTROUTING -o eth0 -j SNAT --to-source -t nat -Li can see my rule in itping (google dns) OKbut in my in (HowTos)