:451
(TCP/UDP)
Low Risk
SFS-SMP-NET
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TCP/UDP — System & Infrastructure
Port Overview
Port Number
451
Service Name
SFS-SMP-NET
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 451?
Cray Network Semaphore Server. Protocol for distributed semaphore management on Cray supercomputer networks.
TCP/UDP
System & Infrastructure
Security Considerations
Port 451 (SFS-SMP-NET) 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.