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FAQ-How to set if WEB login failed 3 times then add the IP to blacklist

Publication Date:  2012-10-10 Views:  150 Downloads:  0

Issue Description

  Login USG series firewall by WEB, if enter the account or password consecutive three times incorrect, the ip will be added to the blacklist, pending blacklist aging time passed, the ip can log in firewall again by WEB.

Alarm Information


Handling Process

The “firewall blacklist enable” command is used to open the blacklist function, the “firewall blacklist authentication-count {auth-failed times | login-failed times} command is used to set the number of blacklist certification, the firewall blacklist aging-time {auth-failed minutes | login-failed minutes} command is used to set the aging time of the blacklist.

Root Cause



Simply open the blacklist function, the default setting is once the authentication fails three times add to the blacklist (setting range 1-5), the aging time default setting is 10 minutes (setting range 1-1000).