On Friday 12 March 2004 9:46 am, Stanislav Puffler DiS. wrote:
> Hi there,
>
> I need to forward all tcp packets with port 25 (SMTP) from Internet to
> machine in my network. My settings (eth0 = internet IP, eth1 =
> 192.168.200.1 - dmz IP connected to another machine with Postfix, eth2 =
> 192.168.0.1 - gateway - LAN). Have opened port 25 and setup rule :
>
> iptables -t nat -A PREROUTING -p tcp -dport 25 - i eth0 -j DNAT -to
> 192.168.200.2:85
That should be "--dport", not "-dport", and why are you changing the
destination port number to 85? Is Postfix listening on port 25?
> iptables -A FORWARD -i eth0 -p tcp -d 192:168.200.2 -dport 25 -m state
> -state NEW,ESTABLISHED,RELATED -j ACCEPT
That should also read "--dport", not "-dport", also "--state", not "-state".
If you have typed out your rules in this email and made some mistakes, then
please *cut and paste* your ruleset so we really know what is running.
Regards,
Antony.
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