444
SNPP
Low RiskTCP — Messaging
Port Overview
Port Number
444
Service Name
SNPP
Transport Protocol
TCP
Category
Messaging
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 444?
Port 444 is assigned to SNPP (Simple Network Paging Protocol), defined in RFC 1861, used to send pages to paging systems. Largely obsolete.
TCP
Messaging
Security Considerations
Port 444 (SNPP) 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.