Hello Roland

we are running LAM PRO 5.3 and on a remote server lamdaemon 5.3.

The problem is that some people logging in into the same administrative 
account
from different machines encounter:

ssh connection failed

if they make the lamdaemon test
For other people it works without a problem.
 From the auth.log of the remote server I can see that it fails because 
of wrong password,
but this is impossible because it´s the same credentials to login in the 
webinterface just from
two different computers within the same network. It even works for 
machines in other subnets.
As far as I see the failure is  independent from browser( FireFox, 
Chrome, Safari, IE) and os (Windows 7,8,10 , MAC, Debian 8,)
Below is a short section from the auth.log of the remote server showing 
the error.


Apr 13 12:38:02 hih-kn-2116-02 sshd[38265]: pam_unix(sshd:auth): 
authentication failure; logname= uid=0 euid=0 tty=ssh ruser= 
rhost=134.2.114.84  user=admin
Apr 13 12:38:05 hih-kn-2116-02 sshd[38265]: Failed password for admin 
from 134.2.114.84 port 48158 ssh2
Apr 13 12:38:05 hih-kn-2116-02 sshd[38265]: Received disconnect from 
134.2.114.84: 11:  [preauth]
Apr 13 12:38:58 hih-kn-2116-02 sshd[38272]: pam_unix(sshd:auth): 
authentication failure; logname= uid=0 euid=0 tty=ssh ruser= 
rhost=134.2.114.84  user=admin
Apr 13 12:39:01 hih-kn-2116-02 sshd[38272]: Failed password for admin 
from 134.2.114.84 port 48168 ssh2
Apr 13 12:39:01 hih-kn-2116-02 sshd[38272]: Received disconnect from 
134.2.114.84: 11:  [preauth]
Apr 13 12:39:30 hih-kn-2116-02 sshd[38278]: Accepted password for admin 
from 134.2.114.84 port 48174 ssh2
Apr 13 12:39:30 hih-kn-2116-02 sshd[38278]: pam_unix(sshd:session): 
session opened for user admin by (uid=0)
Apr 13 12:39:30 hih-kn-2116-02 sudo:    admin : TTY=unknown ; 
PWD=/home/admin ; USER=root ; 
COMMAND=/usr/share/ldap-account-manager/lib/lamdaemon.pl 
+###x##y##x###test###x##y##x###basic
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
opened for user root by (uid=0)
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
closed for user root
Apr 13 12:39:30 hih-kn-2116-02 sudo:    admin : TTY=unknown ; 
PWD=/home/admin ; USER=root ; 
COMMAND=/usr/share/ldap-account-manager/lib/lamdaemon.pl 
+###x##y##x###test###x##y##x###version###x##y##x###5
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
opened for user root by (uid=0)
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
closed for user root
Apr 13 12:39:30 hih-kn-2116-02 sshd[38280]: Received disconnect from 
134.2.114.84: 11:
Apr 13 12:39:30 hih-kn-2116-02 sshd[38278]: pam_unix(sshd:session): 
session closed for user admin
Apr 13 12:39:30 hih-kn-2116-02 sshd[38287]: Accepted password for admin 
from 134.2.114.84 port 48176 ssh2
Apr 13 12:39:30 hih-kn-2116-02 sshd[38287]: pam_unix(sshd:session): 
session opened for user admin by (uid=0)
Apr 13 12:39:30 hih-kn-2116-02 sudo:    admin : TTY=unknown ; 
PWD=/home/admin ; USER=root ; 
COMMAND=/usr/share/ldap-account-manager/lib/lamdaemon.pl 
+###x##y##x###test###x##y##x###nss###x##y##x###admin
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
opened for user root by (uid=0)
Apr 13 12:39:30 hih-kn-2116-02 sudo: pam_unix(sudo:session): session 
closed for user root
Apr 13 12:39:30 hih-kn-2116-02 sshd[38289]: Received disconnect from 
134.2.114.84: 11:
Apr 13 12:39:30 hih-kn-2116-02 sshd[38287]: pam_unix(sshd:session): 
session closed for user admin


Do you have any suggestions what the problem might be?

Thanks in advance.

Best Regards,
Björn

-- 
Björn Müller

Cognitive Neurology
Section Computational Sensomotorics,
IT/EDV Systemadminstrator
Hertie Institute for Clinical Brain Research and
Centre for Integrative Neuroscience

Otfried-Müller-Strasse 25
D-72076 Tuebingen
GERMANY

Tel.: +49 7071 29-89131
Tel.: +49 7071 29-81999


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