6

Unassigned

Low Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 6
Service Name Unassigned
Transport Protocol TCP/UDP
Category System & Infrastructure
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 6?

Port 6 is unassigned in the IANA registry. No standard service is defined for this port number.

TCP/UDP System & Infrastructure

Security Considerations

Port 6 (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