Re: NFSv4 backchannel authentication

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On Wed, 2012-08-08 at 09:58 +0200, Zdenek Salvet wrote:
> On Tue, Aug 07, 2012 at 18:12:11 +0200, Lukas Hejtmanek wrote:
> > well, ok, thanks for anwsers. However, it seems that while NFS server's name
> > is server-home.domain.com (floating name), and true hostname is
> > server1.domain.com, it does not matter that callback is authenticated with
> > server1.domain.com instead of server-home.domain.com.
> > 
> > Is this expected? Or is it a bug?
> 
> It does matter, callback client name must match the name NFS client uses
> for server. 
> 
> We don't see any hard failures because NFS protocol does
> not depend on working callback RPCs, but no delegations are granted
> (we had nfs-kernel-server package installed on clients before which masked
> the bug).

So your gripe that you object to us requiring you to run rpc.svcgssd in
order to obtain server features such as NFSv4 callbacks?

Why should we care?

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com

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