From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
To: netfilter@lists.netfilter.org
Subject: Re: Iptables rule on span traffic
Date: Sat, 21 Apr 2007 23:20:20 +0200 [thread overview]
Message-ID: <462A8014.6000105@plouf.fr.eu.org> (raw)
In-Reply-To: <E8AFFEFDBE97C94E9297963F0527A07B01DFB0EC@pmi00exf00.us.packetmotion.com>
Hello,
Krishnamoorthy (Siva) Sivakumar a écrit :
>
> When I run this rule, and try to access a .txt file (with a web
> browser on a different machine) on the machine running the iptables, I
> get a log message and the file access is blocked. However, if I try to
> do the same but for a .txt file residing on a third machine (machine
> running iptables is able to see the related packets on its interface
> connected to the span port), I see no log or blocking.
As Cédric said, packets which are not destined to the box do not go
through the INPUT chains. And since the box is not forwarding traffic,
these packets are dropped at the input routing decision stage and do not
go through the FORWARD chains either.
next prev parent reply other threads:[~2007-04-21 21:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-20 19:13 Iptables rule on span traffic Krishnamoorthy (Siva) Sivakumar
2007-04-21 13:46 ` Oleg
2007-04-21 15:54 ` Jorge Davila
2007-04-21 16:23 ` Cedric Blancher
2007-04-21 19:44 ` Krishnamoorthy (Siva) Sivakumar
2007-04-21 21:20 ` Pascal Hambourg [this message]
2007-04-23 3:48 ` Krishnamoorthy (Siva) Sivakumar
2007-04-23 5:25 ` Martijn Lievaart
2007-04-23 5:41 ` Krishnamoorthy (Siva) Sivakumar
2007-04-23 5:44 ` Martijn Lievaart
2007-04-23 16:53 ` Krishnamoorthy (Siva) Sivakumar
[not found] ` <016c01c78593$061fc2e0$0302a8c0@southern>
[not found] ` <E8AFFEFDBE97C94E9297963F0527A07B01DFBA0D@pmi00exf00.us.packetmotion.com>
[not found] ` <007301c787a6$13fdceb0$6501a8c0@southern>
2007-04-26 2:21 ` Krishnamoorthy (Siva) Sivakumar
[not found] ` <be4ffce60704260256j5cd06e93o6aeb512cb5fd36a1@mail.gmail.com>
2007-04-26 16:15 ` Krishnamoorthy (Siva) Sivakumar
2007-04-21 19:33 ` Oleg
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