Xbox network (Xbox Live) multiplayer traffic, also used by Call of Duty titles.
Xbox network (Xbox Live) multiplayer traffic, also used by Call of Duty titles.
Meant to face the internet. Consoles open it with UPnP; port forward manually instead of enabling UPnP if you need open NAT.
sudo ss -tlnp 'sport = :3074'sudo ss -ulnp 'sport = :3074'sudo lsof -nP -i :3074sudo netstat -tlnp | grep ':3074 'netstat -ano | findstr :3074Get-NetTCPConnection -LocalPort 3074 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 3074Test-NetConnection HOST -Port 3074nc -vzu -w 5 HOST 3074sudo ufw allow 3074/tcpsudo iptables -A INPUT -p tcp --dport 3074 -j ACCEPTsudo nft add rule inet filter input tcp dport 3074 acceptNew-NetFirewallRule -DisplayName 'Allow TCP 3074' -Direction Inbound -Protocol TCP -LocalPort 3074 -Action Allowsudo ufw allow 3074/udpsudo iptables -A INPUT -p udp --dport 3074 -j ACCEPTsudo nft add rule inet filter input udp dport 3074 acceptNew-NetFirewallRule -DisplayName 'Allow UDP 3074' -Direction Inbound -Protocol UDP -LocalPort 3074 -Action AllowAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.