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Manual Reference Pages  - PAM_LOCALUSER (8)

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pam_localuser - require users to be listed in /etc/passwd

CONTENTS

pam_localuser.so [debug] [file=/path/passwd]

pam_localuser is a PAM module to help implementing site-wide login policies, where they typically include a subset of the network’s users and a few accounts that are local to a particular workstation. Using pam_localuser and pam_wheel or pam_listfile is an effective way to restrict access to either local users and/or a subset of the network’s users.

This could also be implemented using pam_listfile.so and a very short awk script invoked by cron, but it’s common enough to have been separated out.

debug
	Print debug information.
file=/path/passwd
	Use a file other than /etc/passwd.

The auth and account services are supported.

PAM_SUCCESS
	The new localuser was set successfull.
PAM_SERVICE_ERR
	No username was given.
PAM_USER_UNKNOWN
	User not known.

Add the following line to /etc/pam.d/su to allow only local users in group wheel to use su.

account sufficient pam_localuser.so
account required pam_wheel.so
     

/etc/passwd
	Local user account information.

pam.conf(5), pam.d(8), pam(8)

pam_localuser was written by Nalin Dahyabhai <nalin@redhat.com>.

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