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ERR_NGROK_1116

Cannot request a custom bind port ‘-R PORT:’. 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

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