:1023 (TCP/UDP)

RFC-EXP1

Low Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 1023
Service Name RFC-EXP1
Transport Protocol TCP/UDP
Category System & Infrastructure
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 1023?

RFC Experimental Port 1. The last well-known port, reserved for experimental use. Also historically associated with the reserved port range boundary.

TCP/UDP System & Infrastructure

Security Considerations

Port 1023 (RFC-EXP1) 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