ERR_NGROK_1117

Message

Cannot request a random port with a custom bind address ADDR in '-R ADDR:0:'. You may either specify a reserved TCP address with '-R address:port:' or you may let the server choose a random remote port for you with '-R 0:'.

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

Further help

If you're having trouble resolving this error, please reach out to support@ngrok.com