200
IMPLink
Low RiskTCP — Other
Port Overview
Port Number
200
Service Name
IMPLink
Transport Protocol
TCP
Category
Other
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 200?
IMPLink (Interface Message Processor Link) was used in the early ARPANET to connect hosts to Interface Message Processors. It is one of the historical ports assigned during the early development of the internet.
TCP
Other
Security Considerations
Port 200 (IMPLink) 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.