:428 (TCP/UDP)

OCS-CMU

Low Risk

TCP/UDP — Messaging

Port Overview

Port Number 428
Service Name OCS-CMU
Transport Protocol TCP/UDP
Category Messaging
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 428?

OCS CMU. Carnegie Mellon University Office Communication System protocol.

TCP/UDP Messaging

Security Considerations

Port 428 (OCS-CMU) 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 — Messaging

Related Terms