From: Bertram Scharpf <lists@bertram-scharpf.de>
To: Ruben Laban <r.laban@ism.nl>, netfilter@lists.netfilter.org
Subject: Re: Port forwarding inside local domain
Date: Mon, 20 Aug 2007 21:10:01 +0200 [thread overview]
Message-ID: <20070820191001.GA23822@bart.bertram-scharpf.homelinux.com> (raw)
In-Reply-To: <200708201634.31185.r.laban@ism.nl>
Hi,
Am Montag, 20. Aug 2007, 16:34:31 +0200 schrieb Ruben Laban:
> On Monday 20 August 2007, Bertram Scharpf wrote:
> >
> > # iptables -t nat -A PREROUTING -d 192.168.7.33 -p tcp --dport 80 \
> > -j DNAT --to 192.168.7.49:80
> >
> > Besides that I want to know what is going wrong here,
>
> You need to 'fix' the reply traffic, by using a rule like:
> # iptables -t nat -A POSTROUTING -i eth0 -d 192.168.7.49 -p tcp --dport 80 \
> -j SNAT --to 192.168.7.33
iptables v1.3.5: Can't use -i with POSTROUTING
> With recent kernels this can be done more elegantly by using the conntrack
> module:
> # iptables -t nat -A POSTROUTING -d 192.168.7.49 -m conntrack --ctorigdst \
> 192.168.7.49 -j SNAT --to 192.168.7.33
Seems it's "... --ctorigdst 192.168.7.33 -j ...".
Works fine. Thanks!
Bertram
--
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de
next prev parent reply other threads:[~2007-08-20 19:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-20 14:11 Port forwarding inside local domain Bertram Scharpf
2007-08-20 14:34 ` Ruben Laban
2007-08-20 19:10 ` Bertram Scharpf [this message]
2007-08-21 6:57 ` Ruben Laban
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