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Port 3074 (Xbox network / Call of Duty)

Xbox network (Xbox Live) multiplayer traffic, also used by Call of Duty titles.

Registered (user) port, 1024-49151 UDPTCP Games Meant to face the internet

What port 3074 is used for

Xbox network (Xbox Live) multiplayer traffic, also used by Call of Duty titles.

Security: should port 3074 be open?

Meant to face the internet. Consoles open it with UPnP; port forward manually instead of enabling UPnP if you need open NAT.

IANA assignment

Service nameProtoDescriptionAssigneeReference
xbox TCP Xbox game port Damon Danieli -
xbox UDP Xbox game port Damon Danieli -

Check what is listening on port 3074

Linux: is anything listening on TCP 3074?
sudo ss -tlnp 'sport = :3074'
Linux: UDP 3074
sudo ss -ulnp 'sport = :3074'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3074
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3074 '
Windows (Command Prompt)
netstat -ano | findstr :3074
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3074 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3074
From Windows
Test-NetConnection HOST -Port 3074
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3074

Open port 3074 in the firewall

ufw
sudo ufw allow 3074/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3074 -j ACCEPT
nftables
sudo nft add rule inet filter input tcp dport 3074 accept
Windows Firewall
New-NetFirewallRule -DisplayName 'Allow TCP 3074' -Direction Inbound -Protocol TCP -LocalPort 3074 -Action Allow
ufw
sudo ufw allow 3074/udp
iptables
sudo iptables -A INPUT -p udp --dport 3074 -j ACCEPT
nftables
sudo nft add rule inet filter input udp dport 3074 accept
Windows Firewall
New-NetFirewallRule -DisplayName 'Allow UDP 3074' -Direction Inbound -Protocol UDP -LocalPort 3074 -Action Allow

Related ports

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.