I forgot to add that I am using iptables and I even turn off the firewall
and still the same happens.

-----Original Message-----
From: Simpson, Doug 
Sent: Friday, November 22, 2002 10:18 PM
To: [EMAIL PROTECTED]
Subject: DUAL-homed Gateway


I have set up a RH 7.3 box with two nics.  It is acting as my gateway,
firewall, proxy server, imap/smtp, dhcp, samba, etc.
The Internal nic "eth1" is 192.168.1.1 and the external nic is "eth0" =
x.y.z.1.
>From a computer on the internal network - I can get to the internet via the
proxy.  I can send smtp mail - out.  I can get to the shares on the server.
But I cannot ping an address on the internet and I cannot get to my pop3
mail account out on the internet.  I can ping eth0 from inside but I cannot
ping beyond that address.
>From the server/dual-homed gateway I can ping out to the Internet and ping
into the internal network.  I can get out to the internet via a web browser.
It has to be a routing issue but what do I need to look for?  My netstat
looks correct.  Is it ipforwarding form the inside out?
Help any info or insight would be better than nothing.
Thanks,
Doug 



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