NAME

     pam_passwdqc — Password quality-control PAM module

SYNOPSIS

     [service-name] module-type control-flag pam_passwdqc [options]

DESCRIPTION

     The pam_passwdqc module is a simple password strength checking module for PAM.  In addition to checking
     regular passwords, it offers support for passphrases and can provide randomly generated ones.

     The pam_passwdqc module provides functionality for only one PAM management group: password changing.  In
     terms of the module-type parameter, this is the “password” feature.

     The pam_chauthtok() service function may ask the user for a new password, and verify that it meets certain
     minimum standards.  If the chosen password is unsatisfactory, the service function returns PAM_AUTHTOK_ERR.

     The set of options that may be passed to the module is exactly the same as the set of options that may be
     specified in the /etc/passwdqc.conf file.  These options are described in passwdqc.conf(5).

SEE ALSO

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

     http://www.openwall.com/passwdqc/

AUTHORS

     The pam_passwdqc module was written for Openwall GNU/*/Linux by Solar Designer <solar at openwall.com>.
     This manual page was written for the FreeBSD Project by ThinkSec AS and NAI Labs, the Security Research
     Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as part of the
     DARPA CHATS research program.  It has since been revised, most importantly to refer to passwdqc.conf(5)
     instead of describing the options right on this page.