                pam_nologin — Prevent non-root users from login

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DESCRIPTION

   pam_nologin is a PAM module that prevents users from logging into the
   system when /var/run/nologin or /etc/nologin exists. The contents of the
   file are displayed to the user. The pam_nologin module has no effect on
   the root user's ability to log in.

OPTIONS

   file=/path/nologin

   Use this file instead the default /var/run/nologin or /etc/nologin.

   successok

   Return PAM_SUCCESS if no file exists, the default is PAM_IGNORE.

EXAMPLES

   The suggested usage for /etc/pam.d/login is:

 auth  required  pam_nologin.so


NOTES

   In order to make this module effective, all login methods should be
   secured by it. It should be used as a required method listed before any
   sufficient methods in order to get standard Unix nologin semantics. Note,
   the use of successok module argument causes the module to return
   PAM_SUCCESS and as such would break such a configuration - failing
   sufficient modules would lead to a successful login because the nologin
   module succeeded.

AUTHOR

   pam_nologin was written by Michael K. Johnson <johnsonm@redhat.com>.
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