:46 (TCP/UDP)

MPM-SND

Low Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 46
Service Name MPM-SND
Transport Protocol TCP/UDP
Category System & Infrastructure
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 46?

MPM (default send). The sending component of the Message Processing Module system used in legacy ARPANET messaging.

TCP/UDP System & Infrastructure

Security Considerations

Port 46 (MPM-SND) 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