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Date:      Wed, 23 May 2001 15:42:49 -0700 (PDT)
From:      Peter Losher <Peter.Losher@nominum.com>
To:        "Jacques A. Vidrine" <n@nectar.com>
Cc:        Peter Losher <Peter.Losher@nominum.com>, <freebsd-stable@freebsd.org>
Subject:   Re: OpenSSH and Krb5, FreeBSD style...
Message-ID:  <Pine.NEB.4.33.0105231513300.9543-100000@shell1.nominum.com>
In-Reply-To: <20010523164412.A540@shade.nectar.com>

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On Wed, 23 May 2001, Jacques A. Vidrine wrote:

> The OpenSSH v2 stuff doesn't do Kerberos (IV nor 5).

Ahh...

> > Bad news, UW-IMAP suffers from the same linker problem <sigh>.  Also, SSHD
> > refuses to take any Krb5 authentication, tkt or password.
>
> I'm confused -- above  you said that it `seems to  work fine' with the
> v1 protocol.  Which SSHD are you talking about here?

That was the client on the box going out to other SSHD's (SSH Inc's SSH)
on other servers; it worked fine.   However, if I tried ssh'ing into the
box, it refuses to take either my Kerberos ticket or entered password
(Krb5 passwd)

> > I installed  pam_krb5 from  ports, replaced  the commented  out Krb4
> > line under  sshd with  one for pam_krb5.so,  and now  sshd segfaults
> > whenever you type in a Kerberos password. <sigh>
>
> Obviously that shouldn't happen, but the module is young and finicky.
> Use the following for sshd/pam_krb5:
>
>   auth    sufficient      pam_krb5.so try_first_pass
>   auth    required        pam_unix.so
>   account sufficient      pam_krb5.so try_first_pass
>   account required        pam_unix.so
>   session sufficient      pam_krb5.so try_first_pass
>   session required        pam_unix.so

This is what I have under sshd in /etc/pam.conf (should it be in another
file?):

-=-
sshd	auth    sufficient      pam_krb5.so try_first_pass
sshd	auth    required        pam_unix.so
sshd	account sufficient      pam_krb5.so try_first_pass
sshd	account required        pam_unix.so
sshd	session sufficient      pam_krb5.so try_first_pass
sshd	session required        pam_unix.so
sshd	session required	pam_permit.so
-=-

And this is what I get after typing my Krb5 passwd:

-=-
May 23 15:40:52 web1 sshd[319]: unable to resolve symbol: pam_sm_open_session
May 23 15:40:52 web1 sshd[319]: unable to resolve symbol: pam_sm_close_session
May 23 15:41:19 web1 /kernel: pid 319 (sshd), uid 0: exited on signal 11
-=-

Thanks - Peter
-- 
Peter.Losher@nominum.com - [ Systems Admin. | Nominum, Inc. ]



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