MX Series Voice Gateway User Manual
New Rock Technologies, Inc. 93
2.7.3 Brute Force Login Prevention
A brute force login attack makes multiple login attempts within a short time period, trying to guess the
password to login.
To prevent brute force login attacks, the MX provides several methods including CAPTCHA for logging
into Web GUI, limiting the number of login attempts, and access whitelist of trusted IP addresses.
Login Retry Lockout Configuration
After a specified number of login attempts within a specified time, the source IP address of the accessor
will be blocked.
After login, choose Security > Brute force login prevention, to go to the configuration interface.
Figure 2-57 Brute Force Login Prevention (Login Retry Lockout) Configuration Interface
Table 2-35 Login Retry Lockout Parameters
Specify the maximum number of login failures allowed for a source IP address from which
login attempts are made to the Web GUI or SSH in a day. The IP addresses whose login
attempts exceeding the specified limit will be added to the locked list.
Value range: 1–5 times/day
Default value: 3 times/day
Specify the IP address lock time. An IP address will be unlocked after the lock time and is
allowed to access the device again.
Default value: 10 minutes
Locked IP addresses
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