Configure the protection against brute force login attacks.

Brute force mode

The action to be performed when the maximum number of failed logins is exceeded.

Mode

Description

Default

​ Disabled

Turn off brute force protection (not recommended)


Lockout Permanently

Permanently locks the user account after reaching Max Login Failures

(tick) 

Lockout Temporarily

Locks the user account for a defined period after reaching Max Login Failures


Lockout Permanently After Temporary Lockout

First, apply temporary lockouts after failed attempts. If the user exceeds Maximum temporary lockouts, permanently lock the account


Max login failures

The maximum number of failed login attempts allowed before triggering the brute force defense.

Default value: 3

Maximum temporary lockouts

The maximum number of temporary lockouts a user can experience before a permanent lockout (when Brute Force Mode is Lockout Permanently After Temporary Lockout).

Default value: 1

Strategy to increase wait time  

The added waiting time after repeated failures.

Option

Description

Default

​Linear

Wait time increases by a fixed amount each time

(tick) 

Multiple

Wait time grows exponentially with each failure


Wait Increment    

The base time added to the wait period after each failure.

Default value: 15 minutes

Max wait    

The maximum wait time allowed between login attempts.

Default value: 15 minutes

Failure Reset Time    

The time window after which the failure count resets if no new failures occur.

Default value: 1 day

Quick login check milliseconds    

The time frame to detect rapid consecutive login attempts (in milliseconds). For example, if set to 1000, multiple attempts within a 1-second period are flagged as suspicious.

Default value: 1000 milliseconds

Minimum quick login wait    

The minimum enforced wait time when detecting quick login attempts. For example, if set to 10 seconds, the user must wait at least 10 seconds before retrying after a rapid attempt.

Default value: 1 minute