faillog(8) - phpMan

FAILLOG(8) System Management Commands FAILLOG(8)

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-time SEC
Lock account to SEC seconds after failed login.

-m, --maximum MAX
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 -u LOGIN option.
Write access to /var/log/faillog is required for this option.

-t, --time DAYS
Display faillog records more recent than DAYS. The -t flag overrides the use of -u.

-u, --user LOGIN
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.

FILES
/var/log/faillog
Failure logging file.