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From: Alexander Samad <alex@samad.com.au>
To: netfilter@lists.netfilter.org
Subject: Re: Redirecting outgoing SMTP from LAN to another LAN server
Date: Thu, 29 Apr 2004 23:37:57 +1000	[thread overview]
Message-ID: <20040429133757.GK7147@samad.com.au> (raw)
In-Reply-To: <20040429095949.GB22172@acentral.co.uk>

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On Thu, Apr 29, 2004 at 10:59:49AM +0100, Gavin Hamill wrote:
> Hullo :)
> 
> I'd like to do $SUBJECT, but after much playing with commands like
> 
> iptables -t nat -A PREROUTING -p tcp -i eth1 --dport 25 -j DNAT --to 10.0.0.253:25

what about 

iptables -t nat -A PREROUTING -p tcp -i eth1 -s ! 10.0.0.253  --dport 25 -j DNAT --to 10.0.0.253:25

I presume 10.0.0.253 is also on eth1.

> 
> I have given up and have come to you fine people for help...
> 
> My LAN is on eth1, with WAN on eth0. The gateway machine is 10.0.0.254 doing masq for 
> LAN clients, but I'd like to send any outgoing SMTP connections to 10.0.0.253 - alas 
> any time I've tried, I just end up killing ALL outgoing SMTP :(
> 
> Any suggestions warmly received!
> 
> Cheers,
> Gavin.
> 
> 

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  reply	other threads:[~2004-04-29 13:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-29  9:59 Redirecting outgoing SMTP from LAN to another LAN server Gavin Hamill
2004-04-29 13:37 ` Alexander Samad [this message]
2004-04-29 14:47   ` Sven Schuster
2004-04-29 22:23     ` Alexander Samad
2004-04-30 12:28     ` Gavin Hamill
2004-05-13 12:46     ` Gavin Hamill
2004-05-13 13:42       ` Antony Stone
2004-05-15 11:42         ` Micha Silver
2004-05-15 12:27           ` Gavin Hamill

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