From: "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: NLM GRANT callback using AUTH_NULL is rejected
Date: Thu, 17 Nov 2005 11:05:08 -0500
Message-ID: <20051117160508.GB2337@fieldses.org>
References: <044B81DE141D7443BCE91E8F44B3C1E2013327B6@exsvl02.hq.netapp.com>
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Cc: neilb@suse.de, Olaf Kirch <okir@suse.de>,
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To: "Lever, Charles" <Charles.Lever@netapp.com>
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On Thu, Nov 17, 2005 at 07:38:22AM -0800, Lever, Charles wrote:
> our filer sends NLM GRANTED callbacks back to clients using AUTH_NULL
> authentication.  Linux clients always seem to reject these callbacks.
> 
> parsing through fs/lockd and net/sunrpc, i see a comment that indicates
> that AUTH_NULL RPC requests are subject to IP access control (a la
> /etc/exports).  theoretically, if lockd doesn't register the filer in
> the ip_map cache, then all the filer's callbacks will be rejected,
> right?

See

http://marc.theaimsgroup.com/?l=linux-nfs&m=110608174305835&w=2

and following messages.  These appear to have gone into 2.6 in early
March sometime, so I assume that was about 2.6.12?

--b.


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