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PAM_NOLOGIN(8)            BSD System Manager's Manual           PAM_NOLOGIN(8)

NAME
     pam_nologin -- NoLogin PAM module

SYNOPSIS
     [service-name] module-type control-flag pam_nologin [options]

DESCRIPTION
     The NoLogin authentication service module for PAM, pam_nologin provides
     functionality for only one PAM category: authentication.  In terms of the
     module-type parameter, this is the ``auth'' feature.  It also provides a
     null function for session management.

   NoLogin Authentication Module
     The NoLogin authentication component (pam_sm_authenticate()), always
     returns success for the superuser, and returns success for all other
     users if the file /var/run/nologin does not exist.  If /var/run/nologin
     does exist, then its contents are echoed to non-superusers before failure
     is returned.  If a "nologin" capability is specified in login.conf(5),
     then the file thus specified is used instead.  This usually defaults to
     /var/run/nologin.

     The following options may be passed to the authentication module:

     debug    syslog(3) debugging information at LOG_DEBUG level.

     no_warn  suppress warning messages to the user.  These messages include
              reasons why the user's authentication attempt was declined.

SEE ALSO
     syslog(3), login.conf(5), nologin(5), pam.conf(5), pam(8)

BSD                              July 8, 2001                              BSD