Display (or act on) faillog records for all users having an entry in the faillog database.

用户的范围可以使用 -u 选项限制。

In display mode, this is still restricted to existing users but forces the display of the faillog entries even if they are empty.

With the -l, -m, -r, -t options, the users' records are changed, even if the user does not exist on the system. This is useful to reset records of users that have been deleted or to set a policy in advance for a range of users.

现实帮助信息并退出。

登录失败后锁定账户 SEC 秒。

此选项要求对 /var/log/faillog 有写入权限。

Set the maximum number of login failures after the account is disabled to MAX.

Selecting a 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.

此选项要求对 /var/log/faillog 有写入权限。

重置登录失败计数。

此选项要求对 /var/log/faillog 有写入权限。

Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.

显示新于 DAYS 的登录失败记录。

Display faillog record or maintains failure counters and limits (if used with -l, -m or -r options) only for the specified user(s).

The users can be specified by a login name, a numerical user ID, or a RANGE of users. This RANGE of users can be specified with a min and max values (UID_MIN-UID_MAX), a max value (-UID_MAX), or a min value (UID_MIN-).

Failure logging file.