If you're doing true port forwarding, the internal server should see the ip address of the external machine in its logs. This is how my machines log that do this, I use this type of entry in iptables: iptables -t nat -A PREROUTING -p tcp --dport 80 -i eth1 -j DNAT --to 10.198.0.17 P. Johnny Hughes wrote: >On Thu, 2005-05-19 at 21:08 +0800, Mark Quitoriano wrote: > > >>i'm having a problem viewing logs on forwarded ports from the firewall >>to another server, i forwarded mail(port 25) from the firewall to an >>internal server. The problem is when i try to view the logs it just >>shows the firewall ip as the sender and not the original sender. >> >> >> >> >In reality, the firewall may be making the connection to the internal >server... and not the external machine. Especially if the internal >server is on a 192.168.x.x or 10.x.x.x network and you are connecting >via NAT. If that is the case, the external machine is connecting to the >firewall and the firewall is connecting to the internal server. > > >------------------------------------------------------------------------ > >_______________________________________________ >CentOS mailing list >CentOS at centos.org >http://lists.centos.org/mailman/listinfo/centos > >