:637
(TCP/UDP)
LanServer
Low RiskTCP/UDP — System & Infrastructure
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Port Overview
Port Number
637
Service Name
LanServer
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 637?
LAN Server. Protocol for IBM LAN Server network operating system administration.
TCP/UDP
System & Infrastructure
Security Considerations
Port 637 (LanServer) 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.