From: ratheesh k <ratheesh.ksz@gmail.com>
To: Sven-Haegar Koch <haegar@sdinet.de>
Cc: Bill Prochazka <billprozac@gmail.com>,
Jan Engelhardt <jengelh@medozas.de>,
Steve Fink <sphink@gmail.com>,
netfilter@vger.kernel.org
Subject: Re: NAT table bypass for local traffic
Date: Thu, 29 Apr 2010 11:55:18 +0530 [thread overview]
Message-ID: <q2xcfeab66d1004282325wbf9a93aduf3a8fc2d82ee90b0@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1004282253090.2332@aurora.sdinet.de>
>>the outgoing echo-reply matches to it and thus does
> not show up in nat OUTPUT/POSTROUTING.
Does echo reply will show up in nat PREROUTING chain ?
Thanks,
Ratheesh
On Thu, Apr 29, 2010 at 2:25 AM, Sven-Haegar Koch <haegar@sdinet.de> wrote:
> On Wed, 28 Apr 2010, Bill Prochazka wrote:
>
>> A more simple example is that ICMP echo requests
>> go out the nat table's output chain, but ICMP echo replies do not.
>
> The incoming ICMP echo-request (should be visible in PREROUTING) sets up
> a conntrack entry, the outgoing echo-reply matches to it and thus does
> not show up in nat OUTPUT/POSTROUTING.
>
> c'ya
> sven-haegar
>
> --
> Three may keep a secret, if two of them are dead.
> - Ben F.
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next prev parent reply other threads:[~2010-04-29 6:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-28 17:19 NAT table bypass for local traffic Bill Prochazka
2010-04-28 17:59 ` Steve Fink
2010-04-28 19:46 ` Jan Engelhardt
2010-04-28 20:50 ` Bill Prochazka
2010-04-28 20:55 ` Sven-Haegar Koch
2010-04-29 6:25 ` ratheesh k [this message]
[not found] ` <001636c5c15232dea504855f65c2@google.com>
2010-04-30 6:25 ` ratheesh k
2010-04-30 7:22 ` ratheesh k
2010-05-01 4:23 ` ratheesh k
2010-05-01 14:29 ` Pascal Hambourg
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