ERR_NGROK_224: The value VAL is not valid for the terminate_at property of the TLS Termination endpoint configuration module - ngrok documentation

What does ERR_NGROK_224 mean?

ngrok returns ERR_NGROK_224 with this message:

The value <VAL> is not valid for the terminate_at property of the TLS Termination endpoint configuration module. Must be either 'edge', 'agent' or 'upstream'.

Troubleshoot ERR_NGROK_224 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Where can I get more help with ERR_NGROK_224?

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