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/usr/share/doc/pam/txts

Name	Size	Mode	Actions
README.pam_access	5253	0644	edit dl rm
README.pam_chroot	1510	0644	edit dl rm
README.pam_console	1925	0644	edit dl rm
README.pam_cracklib	9757	0644	edit dl rm
README.pam_debug	1995	0644	edit dl rm
README.pam_deny	1035	0644	edit dl rm
README.pam_echo	1100	0644	edit dl rm
README.pam_env	3627	0644	edit dl rm
README.pam_exec	2230	0644	edit dl rm
README.pam_faildelay	827	0644	edit dl rm
README.pam_faillock	6062	0644	edit dl rm
README.pam_filter	3102	0644	edit dl rm
README.pam_ftp	1699	0644	edit dl rm
README.pam_group	2175	0644	edit dl rm
README.pam_issue	1356	0644	edit dl rm
README.pam_keyinit	2245	0644	edit dl rm
README.pam_lastlog	2597	0644	edit dl rm
README.pam_limits	2421	0644	edit dl rm
README.pam_listfile	3626	0644	edit dl rm
README.pam_localuser	1167	0644	edit dl rm
README.pam_loginuid	1117	0644	edit dl rm
README.pam_mail	2009	0644	edit dl rm
README.pam_mkhomedir	1361	0644	edit dl rm
README.pam_motd	2588	0644	edit dl rm
README.pam_namespace	11543	0644	edit dl rm
README.pam_nologin	1348	0644	edit dl rm
README.pam_permit	907	0644	edit dl rm
README.pam_postgresok	346	0644	edit dl rm
README.pam_pwhistory	2243	0644	edit dl rm
README.pam_rhosts	1882	0644	edit dl rm
README.pam_rootok	1086	0644	edit dl rm
README.pam_securetty	1342	0644	edit dl rm
README.pam_selinux	2909	0644	edit dl rm
README.pam_sepermit	1648	0644	edit dl rm
README.pam_shells	653	0644	edit dl rm
README.pam_stress	2060	0644	edit dl rm
README.pam_succeed_if	2864	0644	edit dl rm
README.pam_time	1301	0644	edit dl rm
README.pam_timestamp	1616	0644	edit dl rm
README.pam_tty_audit	2779	0644	edit dl rm
README.pam_umask	1631	0644	edit dl rm
README.pam_unix	7265	0644	edit dl rm
README.pam_userdb	2973	0644	edit dl rm
README.pam_usertype	1200	0644	edit dl rm
README.pam_warn	1224	0644	edit dl rm
README.pam_wheel	1968	0644	edit dl rm
README.pam_xauth	3695	0644	edit dl rm

Edit: /usr/share/doc/pam/txts/README.pam_pwhistory (2243B)

pam_pwhistory -- PAM module to remember last passwords

--------------------------------------------------------------------------

DESCRIPTION

This module saves the last passwords for each user in order to force
   password change history and keep the user from alternating between the
   same password too frequently.

This module does not work together with kerberos. In general, it does not
   make much sense to use this module in conjunction with NIS or LDAP, since
   the old passwords are stored on the local machine and are not available on
   another machine for password history checking.

OPTIONS

debug

Turns on debugging via syslog(3).

use_authtok

When password changing enforce the module to use the new password
           provided by a previously stacked password module (this is used in
           the example of the stacking of the pam_cracklib module documented
           below).

enforce_for_root

If this option is set, the check is enforced for root, too.

remember=N

The last N passwords for each user are saved. The default is 10.
           Value of 0 makes the module to keep the existing contents of the
           opasswd file unchanged.

retry=N

Prompt user at most N times before returning with error. The
           default is 1.

authtok_type=STRING

See pam_get_authtok(3) for more details.

conf=/path/to/config-file

Use another configuration file instead of the default
           /etc/security/pwhistory.conf.

The options for configuring the module behavior are described in the
   pwhistory.conf(5) manual page. The options specified on the module command
   line override the values from the configuration file.

EXAMPLES

An example password section would be:

#%PAM-1.0
 password     required       pam_pwhistory.so
 password     required       pam_unix.so        use_authtok

In combination with pam_cracklib:

#%PAM-1.0
 password     required       pam_cracklib.so    retry=3
 password     required       pam_pwhistory.so   use_authtok
 password     required       pam_unix.so        use_authtok

AUTHOR

pam_pwhistory was written by Thorsten Kukuk <kukuk@thkukuk.de>

cmd: