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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: Sun, 20 Dec 2009 12:43:29 -0800	[thread overview]
Message-ID: <11be91d1da3dc8853975cdcda341cd26@localhost> (raw)
In-Reply-To: <4B2D1DF7.1060105@plouf.fr.eu.org>


On Sat, 19 Dec 2009 19:39:51 +0100, Pascal Hambourg

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

> (Searching in kernel changelogs...)



Guess I need to read those more closely to catch subtle but important

changes in kernel behavior :)



> changing rp_filter type from boolean to integer and assigning the value

> 2 to the new loose mode (see Documentation/networking/ip-sysctl.txt for

> details).

[...]

> Notes :

> 1) "Loose" reverse path filtering may be a bit better than no reverse

> path filtering and should work with your setup.



Tried "loose" and it worked great on my multi-homed setup, thanks for the

tip.



> 2) Reverse path filtering in kernel 2.6.32 uses the mark as in policy

> routing, so strict reverse path filtering may work better in multihomed

> setups like yours.



Looking forward to it, I'll give it a try once I upgrade to .32



Cheers,

Scott



      reply	other threads:[~2009-12-20 20:43 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
2009-12-19 18:39     ` Pascal Hambourg
2009-12-20 20:43       ` Scott Shambarger [this message]

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