RUT240 Open port 102

Good morning,
I have a rut240 from teltonika with public IP.
Now I should connect to a Siemens 1200 PLC, on the Rut240 I opened port 102 so as to allow Movicon Next to find it and communicate, but I cannot configure this rule in the Rut240.
I tried to use a tool to see if the door is open but it always gives me door closed, I attach configuration of door 102.
Is there anyone who can give me some pointers?
Thank you

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