I always successfully accessed OS from outside the LAN by opening a port on a public IP DSL connection + dyndns.
I have now only the option to sit behind a double natted LTE connection. All my other IoT devices have their own clouds and don’t care to open ports.
What options do I have with OS, or OpenGarage for that matter, is there any way to access them without having a public IP and opening ports?
I am aware of some software solutions to get around this problem that run also on Raspberry, but I have the standard OS, what can I do?