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PAM_LOCALUSER

NAME
pam_localuser − require users to be listed in /etc/passwd

SYNOPSIS

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

DESCRIPTION

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.

OPTIONS
debug

Print debug information.

file=/path/passwd

Use a file other than /etc/passwd.

MODULE TYPES PROVIDED
All module types (account, auth, password and session) are provided.

RETURN VALUES
PAM_SUCCESS

The new localuser was set successfully.

PAM_SERVICE_ERR

No username was given.

PAM_USER_UNKNOWN

User not known.

EXAMPLES
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

FILES
/etc/passwd

Local user account information.

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

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

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