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FAQ-How to Disable Listening of TCP Port 22 on an NE40E?

Publication Date:  2019-03-27 Views:  89 Downloads:  0

Issue Description

Device model: NE40E

Software version: V8R7C00SPC100

Symptom: How to disable listening of TCP port 22?

 

The customer feedback shows that the SSH service has been disabled. Then, why devices can still be connected by means of SSH?

https://support.huawei.com/enterprisecase/product/images/e83c9e6617244e28a3cd50dba0ae54b2

 

The device is still listening to TCP port 22.

https://support.huawei.com/enterprisecase/product/images/2709e2bbffc04ef8b83065994b619094

Solution

TCP port 22 involves multiple services, including the SFTP server, STelnet server, SCP server, and SNETCONF server.

After all these services are disabled, the device will not listen to TCP port 22 any more.

https://support.huawei.com/enterprisecase/product/images/c805dd4198034f8d9f5978bf52509df7

https://support.huawei.com/enterprisecase/product/images/a901cc39d9f247e3a6c37728bd016da6

END