PAM_LASTLOG(8) Linux-PAM Manual PAM_LASTLOG(8)
pam_lastlog - PAM module to display date of last login and perform
inactive account lock out
pam_lastlog.so [debug] [silent] [never] [nodate] [nohost] [noterm]
[nowtmp] [noupdate] [showfailed] [inactive=<days>]
pam_lastlog is a PAM module to display a line of information about the
last login of the user. In addition, the module maintains the
Some applications may perform this function themselves. In such cases,
this module is not necessary.
If the module is called in the auth or account phase, the accounts that
were not used recently enough will be disallowed to log in. The check
is not performed for the root account so the root is never locked out.
Print debug information.
Don't inform the user about any previous login, just update the
If the /var/log/lastlog file does not contain any old entries for
the user, indicate that the user has never previously logged in
with a welcome message.
Don't display the date of the last login.
Don't display the terminal name on which the last login was
Don't indicate from which host the last login was attempted.
Don't update the wtmp entry.
Don't update any file.
Display number of failed login attempts and the date of the last
failed attempt from btmp. The date is not displayed when nodate is
This option is specific for the auth or account phase. It specifies
the number of days after the last login of the user when the user
will be locked out by the module. The default value is 90.
MODULE TYPES PROVIDED
The auth and account module type allows to lock out users which did not
login recently enough. The session module type is provided for
displaying the information about the last login and/or updating the
lastlog and wtmp files.
Everything was successful.
Internal service module error.
User not known.
User locked out in the auth or account phase due to inactivity.
There was an error during reading the lastlog file in the auth or
account phase and thus inactivity of the user cannot be determined.
Add the following line to /etc/pam.d/login to display the last login
time of an user:
session required pam_lastlog.so nowtmp
To reject the user if he did not login during the previous 50 days the
following line can be used:
auth required pam_lastlog.so inactive=50
Lastlog logging file
pam.conf(5), pam.d(5), pam(7)
pam_lastlog was written by Andrew G. Morgan <firstname.lastname@example.org>.
Inactive account lock out added by Toma Mraz <email@example.com>.
Linux-PAM Manual 09/19/2013 PAM_LASTLOG(8)
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