From: Orion Poplawski <orion@cora.nwra.com>
To: Kevin Coffman <kwc@citi.umich.edu>, linux-nfs@vger.kernel.org
Subject: Re: Trouble mounting from EL5.5 server on Fedora 14 - gss_kerberos_mech: unsupported algorithm 6
Date: Tue, 04 Jan 2011 12:04:35 -0700 [thread overview]
Message-ID: <4D236F43.4040403@cora.nwra.com> (raw)
In-Reply-To: <AANLkTik3XOGSX_X4mRYWP4XA-j8t1DSn7JVrY6gZLaak@mail.gmail.com>
On 01/04/2011 11:37 AM, Kevin Coffman wrote:
> On Tue, Jan 4, 2011 at 12:27 PM, Orion Poplawski<orion@cora.nwra.com> wrote:
>> I'm trying to get kerberized NFSv4 setup for the first time (have had
>> non-secure v4 up for a while). Client is Fedora 14, server is CentOS 5.5.
>>
>> [ ... ]
>>
>> keytabs on server and client are like:
>>
>> 3 nfs/orca.cora.nwra.com@CORA.NWRA.COM (Triple DES cbc mode with
>> HMAC/sha1)
>> 3 nfs/orca.cora.nwra.com@CORA.NWRA.COM (ArcFour with HMAC/md5)
>> 3 nfs/orca.cora.nwra.com@CORA.NWRA.COM (DES with HMAC/sha1)
>> 3 nfs/orca.cora.nwra.com@CORA.NWRA.COM (DES cbc mode with RSA-MD5)
>>
>> Any ideas?
>
> Only DES is supported for your server's kernel:
>
> http://www.citi.umich.edu/projects/nfsv4/linux/krb5-setup.html
Indeed, it does work if I limit the keys to DES only
(des-hmac-sha1:normal,des-cbc-md5:normal). Although I had seen at least one
report that using ktadd -e des-cbc-crc:normal was no longer necessary as of 5.2:
http://sadiquepp.blogspot.com/2009/02/how-to-configure-nfsv4-with-kerberos-in.html
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA/CoRA Division FAX: 303-415-9702
3380 Mitchell Lane orion@cora.nwra.com
Boulder, CO 80301 http://www.cora.nwra.com
next prev parent reply other threads:[~2011-01-04 19:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-04 17:27 Trouble mounting from EL5.5 server on Fedora 14 - gss_kerberos_mech: unsupported algorithm 6 Orion Poplawski
2011-01-04 18:37 ` Kevin Coffman
2011-01-04 19:04 ` Orion Poplawski [this message]
2011-01-04 19:18 ` Kevin Coffman
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