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SSH login problem

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Operating Systems AIX SSH login problem
# 1  
Old 10-21-2008
SSH login problem
The problem is to login with non-root users. This is the error:

Code:
[root@srv1 root]# ssh -l roberto srv2.domain.net
roberto@srv2.domain.net's password:
Last login: Tue Oct 21 09:39:35 DFT 2008 on /dev/pts/1 from 192.168.2.25
*******************************************************************************
*                                                                             *
*                                                                             *
*  Welcome to AIX Version 5.3!                                                *
*                                                                             *
*                                                                             *
*  Please see the README file in /usr/lpp/bos for information pertinent to    *
*  this release of the AIX Operating System.                                  *
*                                                                             *
*                                                                             *
*******************************************************************************
getuserattr failed
Connection to srv2.domain.net closed.

With root I can normally login. What can be the problem?

On srv2 ssh version is:

Code:
bash-2.05a# ssh -V
OpenSSH_4.5p1, OpenSSL 0.9.8d 28 Sep 2006

# 2  
Old 10-21-2008
Quote:
Originally Posted by untamed
The problem is to login with non-root users. This is the error:

Code:
[...]
getuserattr failed
[...]

With root I can normally login. What can be the problem?
The getuserattr subroutine accesses the following files. Use root to check whether all permissions are correct. Sample from a 5.3 AIX server:
Code:
-rw-r--r--    1 root     security        699 Oct 21 17:13 /etc/passwd
-rw-r--r--    1 root     security        415 Oct 21 17:12 /etc/group
-rw-r--r--    1 root     system        10546 Oct 21 17:12 /etc/security/user
-rw-r-----    1 root     security       1346 Apr 01 2008  /etc/security/limits
-rw-r-----    1 root     security        531 Oct 09 17:46 /etc/security/group
-rw-r-----    1 root     security         60 May 07 2007  /etc/security/environ

# 3  
Old 10-21-2008
Code:
bash-2.05a# ls -l /etc/passwd /etc/group /etc/security/user /etc/security/limits /etc/security/group /etc/security/environ
-rw-r--r--   1 root     security        735 Oct 21 09:37 /etc/group
-rw-r--r--   1 root     security       1838 Oct 21 09:37 /etc/passwd
-rw-r-----   1 root     security         60 Jun 21 2004  /etc/security/environ
-rw-r-----   1 root     security        649 Apr 23 2008  /etc/security/group
-rw-r-----   1 root     security       1462 Apr 05 2007  /etc/security/limits
-rw-r--r--   1 root     system        10943 Oct 21 09:37 /etc/security/user

permissions are the same... Smilie
# 4  
Old 10-21-2008
How did you install the SSH software (bff package via installp or tarball) ?

How did you start the sshd (directly or via startsrc)?

bakunin
# 5  
Old 10-21-2008
Code:
bash-2.05a# lslpp -l openss*
  Fileset                      Level  State      Description
  ----------------------------------------------------------------------------
Path: /usr/lib/objrepos
  openssh.base.client     4.5.0.5302  COMMITTED  Open Secure Shell Commands
  openssh.base.server     4.5.0.5302  COMMITTED  Open Secure Shell Server
  openssh.license         4.5.0.5302  COMMITTED  Open Secure Shell License
  openssh.man.en_US       4.5.0.5302  COMMITTED  Open Secure Shell
                                                 Documentation - U.S. English
  openssh.msg.en_US       4.5.0.5302  COMMITTED  Open Secure Shell Messages -
                                                 U.S. English
  openssl.base             0.9.8.410  COMMITTED  Open Secure Socket Layer
  openssl.license          0.9.8.410  COMMITTED  Open Secure Socket License
  openssl.man.en_US        0.9.8.410  COMMITTED  Open Secure Socket Layer

Path: /etc/objrepos
  openssh.base.client     4.5.0.5302  COMMITTED  Open Secure Shell Commands
  openssh.base.server     4.5.0.5302  COMMITTED  Open Secure Shell Server
  openssl.base             0.9.8.410  COMMITTED  Open Secure Socket Layer

I think the service starts via startsrc as is defined into /etc/services. How can I verify that?
# 6  
Old 10-21-2008
Quote:
Originally Posted by untamed
I think the service starts via startsrc as is defined into /etc/services. How can I verify that?
/etc/services is something completely different. You can check by issuing

lssrc -a | grep ssh

If you get nothing the sshd was probably started by other (non-AIX) means and should be corrected. If you get a line similar to this:

Code:
bakunin@server# lssrc -a | grep ssh
 sshd             ssh              249928       active

The subserver has been started by SRC (system resource controller) means as it should be.

I hope this helps.

bakunin
# 7  
Old 10-21-2008
Code:
bash-2.05a# lssrc -a | grep ssh
 sshd             ssh              344234       active
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