ERR_NGROK_1963: SSH Host Certificate duration must be greater than zero; got duration of DURATION - ngrok documentation

What does ERR_NGROK_1963 mean?

ngrok returns ERR_NGROK_1963 with this message:

SSH Host Certificate duration must be greater than zero; got duration of <DURATION>.

Troubleshoot ERR_NGROK_1963 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_1963?

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