Unkwon user using ssh to try many time login, how can block the source IP?

Cyber_IT
Cyber_IT Posts: 20  Freshman Member
First Comment Friend Collector Second Anniversary
in Nebula
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  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,520  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments

    Hi @Cyber_IT,

    Source IP will be blocked automatically once the password error reach maximum retry count

    1691471349430.jpg

    But we strongly recommend do not open ssh service from Internet.

    Please go to security policy to disable from "Any" to "Device" ssh access.

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