Connecting to plc through internet

[Kar3s]

Hello everyone!

I have read through the previously closed and the still open issues, hoping to find a solution to my problem, but unfortunately, I couldn't find anything.

In my situation, I am trying to communicate with several PLCs located throughout the city. Each of them has a different public IP address.

The problem is that when I forward port 102 on the router and set the endpoint to the router's public IP address, I receive the error message "Error: Timeout connecting to the transport."

I understand that using a VPN could be a better solution, and in the case of connecting to only one PLC, it works properly. However, I need to connect to multiple PLCs simultaneously.

I am not sure, if its a bug, or anyone bumped into this specific problem in the past, but hope you know the solution.

Also thank you for your work!