ERR_NGROK_1115: Cannot request a custom TCP port '-R PORT:' with '-remote-addr=ADDR parameter - ngrok documentation

What does ERR_NGROK_1115 mean?

ngrok returns ERR_NGROK_1115 with this message:

Cannot request a custom TCP port '-R <PORT>:' with '-remote-addr=<ADDR> parameter.
Remove -remote-addr and specify 'ssh -R address:port:host:port' to bind on your reserved address.

Example: ssh -R 0:localhost:22 ...
Example: ssh -R 1.tcp.eu.ngrok.io:21412:localhost:22 ...

Troubleshoot ERR_NGROK_1115 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_1115?

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