If you are doing NATting at the router you need a rule such as iptables -t nat -I POSTROUTING -o eth0 -j MASQ if you have a dynamic address, or iptables -t nat -I POSTROUTING -o eth0 -j SNAT --to-source 1.2.3.4 if you have a static address you also need net.ipv4.ip_forward=1 in /etc/sysctl.conf Then have your default route go out your WAN interface. On Tue, 07 Apr 2009 14:13:18 -0600, Kirkwood, David A. <DAVID.A.KIRKWOOD@xxxxxxxx> wrote: > How do I set up iptables to make the linux system function as a router? > I think I need to set forwarding between the two interfaces, but I don't > understand the syntax of the command. > > Thanks, > > David A. Kirkwood > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
