"The WebSocket handshake failed" when using the cPanel Terminal Print

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In the event that you receive an error message stating Error: The WebSocket handshake failed when trying to use the Terminal feature in cPanel, in our experience this can happen if you are accessing cPanel via a proxy sub-domain, such as https://cpanel.yourdomain.com

To fix this, we suggest trying the following links to access cPanel -> Terminal:

https://$ipaddress:2083
https://$domain.tld/cpanel
https://cpanel.$domain.tld

If none of those links work, try disconnecting from any proxies or VPNs that you may be using, and also trying with other web browsers.

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