Doom

Medium Risk

TCP/UDP — Gaming

Port Overview

Port Number 666

Service Name Doom

Transport Protocol TCP/UDP

Category Gaming

Security Risk Medium

Port Range Well-Known (0-1023)

What is Port 666?

Originally used by the game Doom for multiplayer over IPX networks. Also assigned to MDQS (Multi-Device Queuing System). A well-known port number in gaming history.

TCP/UDP Gaming

Security Considerations

Port 666 (Doom) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

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