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From: Scott Shambarger <scott-netfilter@shambarger.net>
To: netfilter@vger.kernel.org
Subject: Re: Returning nat packets vanishing after mangle:PREROUTING and conntrack processing
Date: Sat, 19 Dec 2009 06:37:03 -0800	[thread overview]
Message-ID: <40efba0ec31032f27b200a4da7b17ae9@localhost> (raw)
In-Reply-To: <4B2CD13D.504@plouf.fr.eu.org>


On Sat, 19 Dec 2009 14:12:29 +0100, Pascal Hambourg

<pascal.mail@plouf.fr.eu.org> wrote:

> 

> It may be a source validation issue, which is common in multihomed

> setups. If sysctl net.ipv4.conf.<input_interface>.rp_filter is set to 1,

> does setting it to 0 fix the problem ?

> 



Fantastic, works great.  Changed to 'net.ipv4.conf.default.rp_filter = 0'

in sysctl.conf (was set to 1).



Oddly, I had rp_filter enabled on the system in kernel 2.6.30 and it

worked.  Has rp_filter changed somehow in the newer kernel (or is it now

working 'correctly'?).



Thanks,

Scott

  reply	other threads:[~2009-12-19 14:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-18 18:23 Returning nat packets vanishing after mangle:PREROUTING and conntrack processing Scott Shambarger
2009-12-19 13:12 ` Pascal Hambourg
2009-12-19 14:37   ` Scott Shambarger [this message]
2009-12-19 18:39     ` Pascal Hambourg
2009-12-20 20:43       ` Scott Shambarger

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