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KB-4585: dzdo failing with error unable to initialize PAM: "There is no destination address for the socket operation" or "A file or directory in the path name does not exist"

Authentication Service ,  

12 April,16 at 11:47 AM

Applies to:

All versions of Centrify DirectControl.


Problem:

dzdo  fails with the following error:

"unable to initialize PAM: There is no destination address for the socket operation"
 or
"unable to initialize PAM: a file or directory in the path name does not exist"
 
Extract of debug centrifydc.log:

security:alert /usr/share/centrifydc/libexec/dzdo PAM: 
open_pam_conf: /etc/pam.conf writable by group 
 
Cause:

The error found in the log:

" /etc/pam.conf writable by group" shows that the /etc/pam.conf permission is not safe thus the system failed the pam calling from dzdo,
 
Generally, the /etc/pam.conf is owned by root and not writable by group.

In this particular case, the permissions of /etc/pam.conf were modified to allow group to write and so when dzdo calls pam_open, it failed or got sysalertmsg..

Resolution:

The permission of  /etc/pam.conf file needs to be '600' or '644' and then centrifydc should be restarted.


# chmod 644 /etc/pam.conf

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