COD NAT type open

Ports: Call of Duty: Modern Warfare Playstation 4
– TCP: 1935,3074,3478-3480
– UDP: 3074,3478-3479

Call of Duty: Modern Warfare PC
– TCP: 3074,3075,27015-27030,27036-27037
– UDP: 3074,4380,27000-27036

Call of Duty: Modern Warfare Xbox One
– TCP: 3074
– UDP: 88,500,3074,3544,4500