218
MPP
Low RiskTCP — Messaging
Port Overview
Port Number
218
Service Name
MPP
Transport Protocol
TCP
Category
Messaging
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 218?
Port 218 is assigned to MPP (Message Posting Protocol), designed for posting messages to bulletin board-style systems. Virtually no modern use.
TCP
Messaging
Security Considerations
Port 218 (MPP) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.