ERR_NGROK_7116: The domain HOSTPORT is unsupported because it does not use port 443

What does ERR_NGROK_7116 mean?

ngrok returns ERR_NGROK_7116 with this message:

The domain <HOSTPORT> is unsupported because it does not use port 443.

Troubleshoot ERR_NGROK_7116 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Email support@ngrok.com and include the error code.