:321 (TCP/UDP)

PIP

Low Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 321
Service Name PIP
Transport Protocol TCP/UDP
Category System & Infrastructure
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 321?

PIP protocol. Used for packet-based inter-process communication between networked systems.

TCP/UDP System & Infrastructure

Security Considerations

Port 321 (PIP) 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