From: Rick Kennell <kennell@ecn.purdue.edu>
To: Garcia Ruiz <gar_ruiz@teleline.es>
Cc: Ramin Dousti <ramin@cannon.eng.us.uu.net>, netfilter@lists.netfilter.org
Subject: Re: port-based filtering of IPsec packets?
Date: 23 Jul 2003 16:23:55 -0500 [thread overview]
Message-ID: <1058995435.6068.73.camel@insomnia.ecn.purdue.edu> (raw)
In-Reply-To: <000e01c3515e$f8320830$05001aac@breton1>
On Wed, 2003-07-23 at 16:11, Garcia Ruiz wrote:
> Couldn't be possible to filter taking into account the internal
> interface where it is suppose not to be encrypted?
I should clarify that I'm not using FreeS/WAN so there's no extra
network interface that gives me access to unencrypted packets.
On Wed, 2003-07-23 at 15:42, Ramin Dousti wrote:
> Once the IPsec traffic has been terminated (decapsulated) you can
> filter it based on the services (tcp or udp ports) prior to that
> you only can filter based on the outer IP header...
OK. Is there a way to decapsulate an ESP packet in iptables?
--
Rick Kennell <kennell@ecn.purdue.edu>
Purdue University Department of Electrical and Computer Engineering
next prev parent reply other threads:[~2003-07-23 21:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-23 19:35 port-based filtering of IPsec packets? Rick Kennell
2003-07-23 20:42 ` Ramin Dousti
2003-07-23 21:11 ` Garcia Ruiz
2003-07-23 21:23 ` Rick Kennell [this message]
2003-07-24 1:08 ` Ramin Dousti
2003-07-24 20:50 ` Rick Kennell
2003-07-24 21:36 ` Ramin Dousti
2003-07-23 21:30 ` James A. Pattie
2003-07-24 21:37 George Vieira
2003-07-25 6:14 ` Rick Kennell
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