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From: Antony Stone <Antony@Soft-Solutions.co.uk>
To: netfilter@lists.samba.org
Subject: Re: VPN behind Linux Firewall
Date: Mon, 24 Jun 2002 18:09:08 +0100	[thread overview]
Message-ID: <200206241709.SAA16948@slate.rockstone.co.uk> (raw)
In-Reply-To: <200206241657.RAA16900@slate.rockstone.co.uk>

On Monday 24 June 2002 5:57 pm, Antony Stone wrote:

> I think it might be interesting to add a logging rule, or use tcpdump /
> ethereal etc, to look for UDP packets from source port 500 to source port
> 500, and see if these appear soon before the connection goes downj ?

Obviously that was supposed to read "...look for UDP packets from source port 
500 to destination port 500..."

> UDP 500 is the Internet Key Exchange (IKE) protocol, and the two end
> systems might be trying to re-key (although 10-15 minutes is a bit quick),
> and something might be blocking that ?
>
> Just a thought.
>
>
>
> Antony.


  reply	other threads:[~2002-06-24 17:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-24 16:48 VPN behind Linux Firewall kayegee
2002-06-24 16:57 ` Antony Stone
2002-06-24 17:09   ` Antony Stone [this message]
2002-06-24 17:05 ` Rowan Reid

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