From: "J. Bruce Fields" <bfields@fieldses.org>
To: "Assarsson, Emil" <Emil.Assarsson@sonyericsson.com>
Cc: "'Richard Smits'" <R.Smits@tudelft.nl>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: krb5 mount with large group membership
Date: Thu, 14 Jul 2011 13:25:05 -0400 [thread overview]
Message-ID: <20110714172504.GA19003@fieldses.org> (raw)
In-Reply-To: <2BF070A7A2375D46BA1B6087F8D5DCB67E846BA792@seldmbx01.corpusers.net>
On Thu, Jul 14, 2011 at 01:14:07PM +0200, Assarsson, Emil wrote:
> Hi,
>
> Your ticket is probably oversized for the NFS server.
> Try set NO_AUTH_DATA_REQUIRED (google msn) on the object holding the servers SPN.
The server has trouble with init_sec_context tokens that are longer than
a few k--I'd have to check the exact limit. (I wonder how big this one
is?)
--b.
>
> --
> Emil Assarsson
>
> > -----Original Message-----
> > From: linux-nfs-owner@vger.kernel.org [mailto:linux-nfs-owner@vger.kernel.org]
> > On Behalf Of Richard Smits
> > Sent: torsdag den 14 juli 2011 11:30
> > To: linux-nfs@vger.kernel.org
> > Subject: krb5 mount with large group membership
> >
> > Hello list,
> >
> > I am running into a problem. Perhaps someone understands what is
> > happening here. I will explain.
> >
> > I have a Redhat 5.4 client that is accessing a nfs export on a NFS
> > server. (Redhat 6.1)
> >
> > Our KDC is a Windows AD.
> >
> > The client is using samba-winbind. If a user is a member of 23 groups or
> > lower, I can access the export. If a user is a member of more groups,
> > the mount fails with a "Permission denied"
> >
> > mount /data
> > -bash-3.2$ cd /data
> > -bash: cd: /data: Permission denied
> >
> > Thew odd thing is if I try a mount to our Netapp filer with also a krb5
> > export, there is no problem.
> >
> > This has to do something with the ticket size in combination with
> > memberships to a large number of groups.
> >
> > So what must i do to get this Redhat server working with this setup ? It
> > seems that Netapp did something to get this working ?
> >
> > Does this sound familiar to anyone, or should i provide more information ?
> >
> > Versions server side :
> > nfs-utils-1.2.3-7
> > krb5-workstation-1.9-9
> >
> > Greetings ... Richard Smits
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2011-07-14 17:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-14 9:30 krb5 mount with large group membership Richard Smits
2011-07-14 11:14 ` Assarsson, Emil
2011-07-14 13:03 ` Richard Smits
2011-07-14 13:29 ` Assarsson, Emil
2011-07-14 17:25 ` J. Bruce Fields [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110714172504.GA19003@fieldses.org \
--to=bfields@fieldses.org \
--cc=Emil.Assarsson@sonyericsson.com \
--cc=R.Smits@tudelft.nl \
--cc=linux-nfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox