[RFC/PATCH] cifs.upcall: use kernel.provided principal name if available

Martin Wilck martin.wilck at ts.fujitsu.com
Thu Sep 8 06:53:33 MDT 2011

On 09/08/2011 09:39 AM, Andrew Bartlett wrote:

> The name of the server is the right name, ie the name in the UNC path
> or URL.

Hmm, it may be that just a few servers are affected here. we have one
important server which appears to have a weird DNS setup:

dig +short -t A server.domain.net
dig +short -t CNAME server.domain.net
dig +short -t PTR -x
dig +short -t A c10203.domain.net

While this is quite obviously broken, Windows clients in the domain have
no problems accessing this server, while Linux clients do. The only
temporary workaround I found for this is to add c10203 to /etc/hosts
locally and mount the share as "//c10203/share"
(//c10203.domain.net/share does *not* work).

This is samba 3.5.8, kernel on Fedora 15.

> Do your linux users mount by IP address perhaps?

No, see above.

Dr. Martin Wilck
PRIMERGY System Software Engineer
x86 Server Engineering

Fujitsu Technology Solutions GmbH
Heinz-Nixdorf-Ring 1
33106 Paderborn, Germany
Phone:			++49 5251 525 2796
Fax:			++49 5251 525 2820
Email:			martin.wilck at ts.fujitsu.com
Internet:		http://ts.fujitsu.com
Company Details:	http://ts.fujitsu.com/imprint

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