37
Time
Low RiskTCP/UDP — System & Infrastructure
Port Overview
Port Number
37
Service Name
Time
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 37?
Time Protocol. Returns the current time as a 32-bit binary value representing seconds since January 1, 1900. Largely replaced by NTP (port 123).
TCP/UDP
System & Infrastructure
Security Considerations
Port 37 (Time) 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.