Bug#700257: slbackup-php: Fails to submit correctly entered password

[Wolfgang Schweer]

On Thu, Feb 14, 2013 at 09:54:38AM +0100, Mike Gabriel wrote:
> 
> On So 10 Feb 2013 18:20:07 CET Wolfgang Schweer wrote:
> 
> >when the correct password for user "root" is entered, nothing happens.
> >Neither the Administration page appears, nor a feedback is given.
> >
> >This happens when running a Debian Edu Wheezy combined server.
> >
> >Output from /var/log/auth.log
> >
> >Feb 10 17:46:01 tjener sshd[6613]: pam_unix(sshd:auth):
> >authentication failure; logname= uid=0 euid=0 tty=ssh ruser=
> >rhost=tjener.intern  user=root
> >
> 
> >Feb 10 17:46:01 tjener sshd[6613]: pam_winbind(sshd:auth): getting
> >password (0x00000388)
> >Feb 10 17:46:01 tjener sshd[6613]: pam_winbind(sshd:auth):
> >pam_get_item returned a password
> >Feb 10 17:46:01 tjener sshd[6613]: pam_winbind(sshd:auth): request
> >wbcLogonUser failed: WBC_ERR_AUTH_ERROR, PAM error:
> >PAM_USER_UNKNOWN (10), NTSTATUS: NT_STATUS_NO_SUCH_USER, Error
> >message was: No such user
> >Feb 10 17:46:03 tjener sshd[6613]: Failed password for root from
> >10.0.2.2 port 52182 ssh2
> >Feb 10 17:46:03 tjener sshd[6613]: Failed password for root from
> >10.0.2.2 port 52182 ssh2
> >Feb 10 17:46:03 tjener sshd[6613]: Failed password for root from
> >10.0.2.2 port 52182 ssh2
> >Feb 10 17:46:03 tjener sshd[6613]: Connection closed by 10.0.2.2 [preauth]
> >Feb 10 17:47:03 tjener sshd[6670]: Connection closed by 10.0.2.2 [preauth]
> >
> >While failing ntlm auth is as expected, failing sshd auth is not.
> >
> >A normal ssh connection (from *gateway") works.
> 
> This does not seem like an slbackup-php error... Hmmm... Could you
> purge pam_winbind from the PAM configuration (actually, I do not see
> any reason at all why we need winbind on TJENER!!!) and try again?
 
Hi Mike,

tried again after 'apt-get purge winbind'; same failure as before 
(except that fallthrough auth attempt).

Feb 14 10:40:33 tjener sshd[9395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=tjener.intern  user=root
Feb 14 10:40:35 tjener sshd[9395]: Failed password for root from 10.0.2.2 port 57369 ssh2
Feb 14 10:40:35 tjener sshd[9395]: Failed password for root from 10.0.2.2 port 57369 ssh2
Feb 14 10:40:35 tjener sshd[9395]: Failed password for root from 10.0.2.2 port 57369 ssh2
Feb 14 10:40:35 tjener sshd[9395]: Connection closed by 10.0.2.2 [preauth]

Any explanation for failing three times, not only once?

Wolfgang

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