pam_nologin(8) System Manager's Manual pam_nologin(8) NAME pam_nologin – No Login PAM module SYNOPSIS [service-name] function-class control-flag pam_nologin [options] DESCRIPTION The No Login PAM module supports the account management function class. In terms of the function-class parameter, this is the “account” class. The No Login authentication module always returns success for the superuser, and returns success for all other users if the file /etc/nologin does not exist. If /etc/nologin does exist, then its contents are echoed to non-superusers before failure is returned. FILES /etc/nologin A message to denied users. SEE ALSO nologin(8), pam.conf(5), pam(8), pwpolicy(8) macOS 15.2 February 7, 2009 macOS 15.2