im trying now for hours and didnt get any further. I just got a simple Express app and an nginx server running on my raspberry pi.
Problem: I cannot access it through the external api. I always got a timeout :/
Steps that i took: Configured Sites-available.
Checked for listeners:
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Tried all port-forwarding stuff i could found in the router settings:
(its german but i guess u get the point)

Please help me ! Thx in advance :)
