How to disable Telnet on the Nebula Switch?

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Zyxel_Judy
Zyxel_Judy Posts: 2,594 image  Zyxel Employee
Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
in Network Security
  1. Go to Configure > Switch settings 
  2. Enable the Access management option.

The default setting is "Deny all." If you want to allow specific IP addresses to access the Nebula switch via Telnet, please click "+Add allow IP range" and enter the information.

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Note: This not only restricts Telnet access to your Nebula switch but also limits other local access methods to the switches, including SSH, HTTP, HTTPS, and FTP.

Zyxel_Judy

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