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Admin Login Lockout After Failed Login Attempts

Confirmed 7/20/2026

Problem

How to specify after how many failed login attempts a new attempt will be blocked and for how long.

Environment

FortiGate

FortiOS version

All Versions

Solution

With the following configuration you can specify after how many failed admin Login Attempts a new Login Attempt will be blocked and for how Long:

config system global set admin-lockout-threshold <1-10> # e.g., 3 set admin-lockout-duration <seconds> # e.g., 300 for 5 minutes, or 900 for 15 minutes

end

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