From: Benny Amorsen <benny+usenet@amorsen.dk>
To: netfilter-devel@vger.kernel.org
Subject: Re: interface based conntrack entry
Date: Tue, 18 Mar 2008 14:58:31 +0100 [thread overview]
Message-ID: <m3ve3kp20o.fsf@ursa.amorsen.dk> (raw)
In-Reply-To: Pine.LNX.4.64.0803180032560.18817@fbirervta.pbzchgretzou.qr
Jan Engelhardt <jengelh@computergmbh.de> writes:
> I believe that nf_conntrack deliberately does not use interfaces
> as tuple parts because packets may very well come in on
> and/or leave on different interfaces (routing on fwmark).
As a reminder, this makes it very important that Linux firewalls have
rp_filter set to true -- or that they drop packets coming in on the
"wrong" interface BEFORE the customary -A FORWARD -m state --state
RELATED,ESTABLISHED -j ACCEPT
/Benny
next prev parent reply other threads:[~2008-03-18 13:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAC6870A2B8FE846AD24D7E75B05F90A3F1960@moe.nextone.local>
2008-03-17 20:13 ` interface based conntrack entry Sohan Shetty
2008-03-17 23:25 ` Eric Leblond
2008-03-17 23:35 ` Jan Engelhardt
2008-03-18 13:58 ` Benny Amorsen [this message]
2008-03-18 0:49 ` Pascal Hambourg
2008-03-18 5:50 ` Eric Leblond
2008-03-18 11:49 ` Patrick McHardy
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