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Re: FreeS/WAN redesign thoughts (KLIPS, IPSEC)

To: Wes Hardaker <wes@xxxxxxxxxxxxx>
Subject: Re: FreeS/WAN redesign thoughts (KLIPS, IPSEC)
From: Richard Guy Briggs <rgb@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 22 Feb 2001 16:39:25 -0500
Cc: Richard Guy Briggs <rgb@xxxxxxxxxxxxxxxxxxxxx>, Linux Ipsec mailing list <linux-ipsec@xxxxxxxxxxxx>, NetFilter mailing list <netfilter-devel@xxxxxxxxxxxxx>, Linux Network Development mailing list <netdev@xxxxxxxxxxx>, Hugh Daniel <hugh@xxxxxxxx>, John Gilmore <gnu@xxxxxxxx>, Hugh Redelmeier <hugh@xxxxxxxxxx>, Henry Spencer <henry@xxxxxxxxxxxxx>
In-reply-to: <sditm2afg6.fsf@wanderer.hardakers.net>; from wes@hardakers.net on Thu, Feb 22, 2001 at 07:46:17AM -0800
References: <20010221024203.H9886@grendel.conscoop.ottawa.on.ca> <sditm2afg6.fsf@wanderer.hardakers.net>
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On Thu, Feb 22, 2001 at 07:46:17AM -0800, Wes Hardaker wrote:
> 
> [lots of stuff deleted]
> 
> Richard> Treat incoming IPSEC encapsulation as an enhancement of the
> Richard> layer 2 protocol and decapsulate it at the NF_IP_PRE_ROUTING
> Richard> hook.  This option is less favourable as it stands since it
> Richard> involves creating our own SPDB engine.
> 
> As long as the filtering rules of the linux kernel meet the minimum
> requirements put forth in section 4.4.1 of RFC2401 (Which describes
> the SPDB), then reusing the existing kernel infrastructure is probably
> a very good thing from purely a reuse standpoint.

The only matcher which is not yet implemented is 'security level',
which is easy to do as a separate module when Linux actually
understands the concept.

Thanks!

> Wes Hardaker
> NAI Labs
> Network Associates

        slainte mhath, RGB
- -- 
Richard Guy Briggs -- PGP key available            Auto-Free Ottawa! Canada
<www.conscoop.ottawa.on.ca/rgb/>                       <www.flora.org/afo/>
Prevent Internet Wiretapping!        --        FreeS/WAN:<www.freeswan.org>
Thanks for voting Green! -- <green.ca>      Marillion:<www.marillion.co.uk>

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