558
SDNSKMP
Low RiskTCP/UDP — DNS
Port Overview
Port Number
558
Service Name
SDNSKMP
Transport Protocol
TCP/UDP
Category
DNS
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 558?
SDNSKMP. Protocol for secure DNS key management.
TCP/UDP
DNS
Security Considerations
Port 558 (SDNSKMP) 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.