Black Ops 4 features various NAT types for network configuration.
Black Ops 4 features various NAT types for network configuration.
Viewing three images of the router configuration:
- https://prnt.sc/lg1uxu
- https://prnt.sc/lg1v9o
- https://prnt.sc/lg1vcd
You lack port forwarding for the server your friend is using. The DMZ host should open all ports, but setting up proper rules is better. You haven’t done that yet. (The last image you shared shows the ports you need.) Someone else has already posted those ports.