After Upgrade to 13.1 53.17, the customer is not able to do several actions in the Netscaler, including generate the support bundle from the GUI or connect to the CLI through the GUI, error:

• Could not open websocket connection. Please try by login again.

Look for any customization inside /nsconfig/sshd_config.

Create a backup of the sshd_config, delete the file and Reboot the ADC.

The ADC will use the default configuration for sshd inside /etc/sshd_config.

Problem Cause

Misconfiguration inside /nsconfig/sshd_config.