Shouldn't the “automatically port forwarding” automatically activate the needed port? For example I need the port 3074 and my router doesn't automatically activate it! Why? The game shows me NAT Type Open
Port Forwarding - AVM Fritzbox | INSTAR Wiki 2.5 | INSTAR Deutschland GmbH
Configuring AVM FritzBox as a Firewall with 3CX Phone System
Change Wi-Fi password and SSID FRITZ! Box 7490, how to - HardReset.info
Fritz!Box 7490 - 4. Setting up LAN ports for gigabit speed and faster USB speeds - YouTube
Setting up MyFRITZ! sharings | FRITZ!Box 7490 | AVM International