From: Martin Klier <martin.klier@atu.de>
To: Piotr Szczap <szczapu@poczta.onet.pl>
Cc: linux-admin@vger.kernel.org
Subject: Re: Clone a packet - iptables
Date: Tue, 11 Apr 2006 08:46:56 +0200 [thread overview]
Message-ID: <200604110846.56483.martin.klier@atu.de> (raw)
In-Reply-To: <443A6BB3.2010902@poczta.onet.pl>
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Hi,
Am Montag 10 April 2006 16:29 schrieb Piotr Szczap:
> Hello,
> Is it possible to 'clone' a packet using iptables?
> I would like to do something like
> -A INPUT -p tcp --dport 1111 -j DNAT --to-destination host_a
> --to-destination host_b
> but without the round-robin load balancing, so that the packet coming to
> port 1111 is sent to host_a AND host_b.
>
> Or perhaps it can be done with BSD's packet filter?
I bet Linux' netfilter can't do this. Think about your tcp connection's
partner: it will receive ACK flags from two processes on the destination
machine. Your tcp connection won't survive for long.
Kind regards,
--
Mit freundlichen Grüßen
i.A. Martin Klier
Systemadministration / Datenbanken
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next prev parent reply other threads:[~2006-04-11 6:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-10 14:29 Clone a packet - iptables Piotr Szczap
2006-04-11 6:46 ` Martin Klier [this message]
2006-04-11 9:13 ` Piotr Szczap
2006-04-11 11:56 ` Tom Callahan
2006-04-19 13:45 ` Andy Davidson
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