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Date: Tue, 7 Mar 2006 13:25:30 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: Miguel Lopes Santos Ramos <miguel@anjos.strangled.net>
Message-ID: <20060307182530.GA81603@xor.obsecurity.org>
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Cc: kuriyama@imgsrc.co.jp, freebsd-stable@freebsd.org, kris@obsecurity.org
Subject: Re: rpc.lockd brokenness (2)
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On Tue, Mar 07, 2006 at 06:17:00PM +0000, Miguel Lopes Santos Ramos wrote:
> > OK, thanks.  Please try to obtain a tcpdump -vvv trace of the broken
> > operation.
> >
> > Kris
>=20
> Will you help me? I've been trying to use tcpdump -vvv on this but I get
> either a lot of trash or nothing. Which ports should I dump?
>
> So far I tried running on the server
> # tcpdump -vvv 'host <client> and (udp port lockd or udp port sunrpc)'
>=20
> This gets me nothing. When I try nfs ports I get lots of trash, since all
> filesystems in this client are nfs mounted from this server.

You do indeed need to dump the nfs traffic.  Try to do it when the
system is otherwise quiet if it is generating too much traffic.

Kris


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