faillog (8) ( Русские man: Команды системного администрирования )
>> faillog (8) ( Linux man: Команды системного администрирования )
NAME
faillog - display faillog records or set login failure limits
SYNOPSIS
faillog [options]
DESCRIPTION
faillog
formats the contents of the failure log from
/var/log/faillog
database. It also can be used for maintains failure counters and limits. Run
faillog
without arguments display only list of user faillog records who have ever had a login failure.
OPTIONS
The options which apply to the
faillog
command are:
-a, --all
Display faillog records for all users.
-h, --help
Display help message and exit.
-l, --lock-timeSEC
Lock account to
SEC
seconds after failed login.
-m, --maximumMAX
Set maximum number of login failures after the account is disabled to
MAX. Selecting
MAX
value of 0 has the effect of not placing a limit on the number of failed logins. The maximum failure count should always be 0 for
root
to prevent a denial of services attack against the system.
-r, --reset
Reset the counters of login failures or one record if used with the
-uLOGIN
option. Write access to
/var/log/faillog
is required for this option.
-t, --timeDAYS
Display faillog records more recent than
DAYS. The
-t
flag overrides the use of
-u.
-u, --userLOGIN
Display faillog record or maintains failure counters and limits (if used with
-l,
-m
or
-r
options) only for user with
LOGIN.
CAVEATS
faillog
only prints out users with no successful login since the last failure. To print out a user who has had a successful login since their last failure, you must explicitly request the user with the
-u
flag, or print out all users with the
-a
flag.