Subject: Re: ssh/sshd crashing with Disconnecting: Bad packet length messages
To: Christos Zoulas <firstname.lastname@example.org>
From: Andreas Wrede <email@example.com>
Date: 12/18/2007 13:22:33
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On Dec 17, 2007, at 22:35 , Christos Zoulas wrote:
> In article <47671AF1.firstname.lastname@example.org>, M Graff
> <email@example.com> wrote:
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>> This has started happening both in a -current to -current setup, and
>> between a 4.0 BETA 2 box to whatever cvs.netbsd.org is running.
>> There seems to be no common reason for this; I've had it happen when
>> ssh'ing locally to a box on the same wire as me, and when ssh'ing
>> over a
>> IP tunnel which is probably making packets fragment.
>> netsat -s reports no packets with bad checksums in any protocol, and
>> nothing else that jumps out at me as a potential cause.
>> Until today, every time this occurred it was between a machines I
>> own on
>> both sides. Today, it happened with the sshd that comes from the
>> 4.0_BETA2 install I made (and did not compile myself) and
> I've seen that with IPSEC tunnels... Are you running over an IPSEC
I see this with gre(4) tunnels, IPSEC transport over gre(4) tunnels to
be precise. Switching the VPN configuration to use IPSEC tunnels
without gre(4) interfaces works fine.
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