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faillog - Unix, Linux Command



NAME
faillog - display faillog records or set login failure limitsSYNOPSIS
Tag | Description |
---|---|
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:
Tag | Description |
---|---|
-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
Tag | Description |
---|---|
/var/log/faillog | |
Failure logging file. |
SEE ALSO
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