After USG9110 open blacklist function, user login validation fails three times will be added in blacklist and will be locked ten minutes.
USG9110 does not support the changes of failed validation number and lock time, while low-end firewall can do. The configuration is as follows:
// the lock time
firewall blacklist aging-time login-failed 10
// the number of lock
firewall blacklist authentication-count login-failed 3