From: Dax Kelson <dax@gurulabs.com>
To: Andreas Jellinghaus <aj@dungeon.inka.de>
Cc: Harald Welte <laforge@netfilter.org>,
netfilter-devel@lists.netfilter.org,
netfilter@lists.netfilter.org, netdev@oss.sgi.com
Subject: Re: port-based filtering of ESP packets with in-kernel IPsec?
Date: 30 Jul 2003 16:51:34 -0600 [thread overview]
Message-ID: <1059605494.3284.141.camel@mentor.gurulabs.com> (raw)
In-Reply-To: <1059597421.3284.7.camel@mentor.gurulabs.com>
On Wed, 2003-07-30 at 14:37, Dax Kelson wrote:
> On Wed, 2003-07-30 at 08:51, Andreas Jellinghaus wrote:
> > [netfilter]
> > incoming encrypted packets are seen as ESP/AH in INPUT
> > and then as decrypted packet in INPUT or FORWARD.
>
> Just to clarify, the packets will travel INPUT *twice* (once as ESP and
> then in the clear)?
If this is the case, then I see a problem.
If you have an explicit drop/reject all the bottom (or have a DROP
policy) of INPUT then no IPSEC traffic would be allowed.
I supposed you could add a rule that allowed all ESP traffic before the
the explicit drop.
Dax
prev parent reply other threads:[~2003-07-30 22:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1059540296.16545.305.camel@k7.localnet>
2003-07-30 14:24 ` port-based filtering of ESP packets with in-kernel IPsec? Harald Welte
2003-07-30 14:51 ` Andreas Jellinghaus
2003-07-30 15:16 ` Harald Welte
2003-07-30 20:37 ` Dax Kelson
2003-07-30 22:51 ` Dax Kelson [this message]
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