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From: Raffaele Brancaleoni <s940195@student.ulg.ac.be>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] How to recognize a IPSEC packet ?
Date: Mon, 09 Jul 2001 18:26:47 +0000	[thread overview]
Message-ID: <marc-lartc-99470323915796@msgid-missing> (raw)
In-Reply-To: <marc-lartc-99469143401463@msgid-missing>

Franck BALAZOT wrote:

> Hi all,
>
> I want to make bandwidth management with CBQ (iproute2)
> There is no problem to manage service like FTP, HTTP,...
> We have an IPSEC VPN here, and I don't know how to reconignize IPSEC
> packets to manage the VPN bandwith.
> Is there a special port or something in the IP packet header that tells
> "here is an IPSEC packet" ?
>
> Thanks,
> ------------------------------------------------
> Franck BALAZOT (fbalazot@aeta.fr)
> AETA.COM
> 361, Avenue du Général De Gaulle
> 92140 CLAMART
> FRANCE
> Tél:01.41.36.12.93
> ------------------------------------------------
>
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/

Hi,

From what I remember, IPSec use port 500 TCP for IKE & protocol-ids for IPSec
trafic are
50 (ESP) / 51 (AH) (stored in IP Header). This should allow you to recognize the
IPSec
traffic with u32 filters.

Hope this help !

Later,

Raffaele.

--
____________________________________________________________________________
Raffaele Brancaleoni                       Email : s940195@student.ulg.ac.be
Licence en Informatique
Université de Liège - Belgique
____________________________________________________________________________




_______________________________________________
LARTC mailing list / LARTC@mailman.ds9a.nl
http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/

      parent reply	other threads:[~2001-07-09 18:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-09 14:30 [LARTC] How to recognize a IPSEC packet ? Franck BALAZOT
2001-07-09 17:37 ` Mike Fedyk
2001-07-09 18:26 ` Raffaele Brancaleoni [this message]

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