ok ... i found the error ... this is really embarrassing
I forgot that I set up the wifi on my new raspberry pi and plugged in the Ethernet cable. Therefore the raspberry pi had 2 IP addresses but I configured the port forward only for the wifi address (which at the time, I thought would be the ethernet adress). Once I unplugged the ethernet cable everything worked like a charm.
Sorry for stealing your time Anton
ok ... i found the error ... this is really embarrassing
I forgot that I set up the wifi on my new raspberry pi and plugged in the Ethernet cable. Therefore the raspberry pi had 2 IP addresses but I configured the port forward only for the wifi address (which at the time, I thought would be the ethernet adress). Once I unplugged the ethernet cable everything worked like a charm.
Sorry for stealing your time Anton