[Bug 874518] Re: ssh fails after upgrade to 11.10
Clint Byrum
clint at fewbar.com
Sun Oct 16 07:36:22 UTC 2011
Excerpts from Jason Nett's message of Sun Oct 16 06:46:07 UTC 2011:
> Upon a fresh install of Ubuntu 11.10, I still have problems with ssh. After
> studying it all day, I believe that the problem has something to do with ssh
> not being able to communicate a valid kerberos ticket via "gssapi-with-mic".
>
> The problem area of the verbose output looks like:
> ----------------------------------------
> debug1: Next authentication method: gssapi-with-mic
> debug1: Unspecified GSS failure. Minor code may provide more information
> KDC can't fulfill requested option
>
> debug1: Unspecified GSS failure. Minor code may provide more information
> KDC can't fulfill requested option
>
> debug1: Unspecified GSS failure. Minor code may provide more
> information
>
>
> debug2: we sent a gssapi-with-mic packet, wait for reply
> -------------------------------------------
>
> where it should look like (according to the successful execution on my
> laptop that is still running 11.04):
>
> --------------------------------------------
> debug1: Next authentication method: gssapi-with-mic
> debug2: we sent a gssapi-with-mic packet, wait for reply
> debug1: Authentication succeeded (gssapi-with-mic).
> Authenticated to <name>.<org>.gov ([1xx.xxx.xxx.xxx]:xx).
> ----------------------------------------------
>
> If I look at the version numbers of the ssh packages installed with "dpkg -l
> | grep ssh", Ubuntu 11.10 has:
>
> ii openssh-client
> 1:5.8p1-7ubuntu1 secure shell (SSH) client, for
> secure access to remote machines
> ii ssh-askpass-gnome
> 1:5.8p1-7ubuntu1 interactive X program to prompt
> users for a passphrase for ssh-add
>
> while 11.04 has
>
> ii openssh-client 1:5.8p1-1ubuntu3
> secure shell (SSH) client, for secure access to
> remote machines
> ii ssh-askpass-gnome 1:5.8p1-1ubuntu3
> interactive X program to prompt users for a
> passphrase for ssh-add
>
>
> I've searched through every configuration file I can find, especially those
> in ./ssh/ and /etc/ssh/, but have not been able to solve the problem or
> produce any different results. The best I can think of is that there's
> something about the newer versions that gssapi-with-mic is not agreeing well
> with.
>
> I would greatly appreciate if this bug could be fixed because it affects my
> ability to work remotely from home.
Jason, you are using kerberos auth.. can you do
kinit user at KERBEROS.DOMAIN
and get assigned kerberos credentials? (klist should show them)
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https://bugs.launchpad.net/bugs/874518
Title:
ssh fails after upgrade to 11.10
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