add masquerade rules

example:

ipchains -A forward -b -j MASQ -s 0/0 -d 204.112.40.0/24


> Chain input (policy ACCEPT):
> Chain forward (policy ACCEPT):
> Chain output (policy ACCEPT):
> 
> I am unable, however, to ping the default gateway for the 
> external card
> (24.68.176.1)

that router is set to drop ICMP packets or deny ICMP echo

> or reach any part of the internet from any 
> computer other than
> the firewall.

masquerade rule?

> > 
> > If you turn off ip forwarding, you won't be able use IP 
> > masquerading. Your
> > firewall is simply dropping all these packets it is 
> > receiving, since they
> > aren't addressed to one of 127.0.0.0/24.68.176.193/204.112.40.3
> > 
> > John
> > 

Heman



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