:16 (TCP/UDP)

Unassigned

Low Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 16
Service Name Unassigned
Transport Protocol TCP/UDP
Category System & Infrastructure
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 16?

Port 16 is unassigned in the IANA registry. No standard protocol uses this port number.

TCP/UDP System & Infrastructure

Security Considerations

Port 16 (Unassigned) 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.

Related Ports — System & Infrastructure

Related Terms