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How to

How to


Products: AS-B, Edge Server, AS-P
Functionalities: Programming, Security
Product version: 2023, 2024, 7.0
12/17/2022

Adding an Additional SSH Port for an automation Server

If you do not want to connect to your automation server using the SSH port 22, you can add another port.

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You can disable port 22 and the USB ports on the automation server.

Port 22

Port 22 is used for communication with Device Administrator. This port is often the target for cyber-attacks. You can disable this port or change the port so that the automation server communicates on another port using SSH. You can also disable all SSH communication.

For more information, see Disabling Port 22 on an Automation Server .

For more information, see Adding an Additional SSH Port for an automation Server .

USB port

To prevent anyone from tampering with your automation servers on site you can disable the USB ports.

The USB ports can be disabled on both the AS-B and AS-P servers but not on the automation server AS. The setting is visible on the automation server AS but grayed out and cannot be changed.

For more information, see Disabling the USB Port on an Automation Server  .

To add an additional SSH port for an automation server

  1. In WorkStation, in the System Tree pane, select the automation server.

  2. Click the Properties tab.

  3. Click the Network tab.

  4. Click Port Settings .

  5. In the Additional SSH port box, select Enable .

  6. In the Additional SSH port number box, enter the port number.

  7. Click Save .

See Also

  • Disable Automation Server Ports