:146
(TCP/UDP)
Low Risk
ISO-TP0
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TCP/UDP — System & Infrastructure
Port Overview
Port Number
146
Service Name
ISO-TP0
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 146?
ISO Transport Protocol Class 0. The simplest class of the OSI transport layer protocol, providing basic connection-oriented transport.
TCP/UDP
System & Infrastructure
Security Considerations
Port 146 (ISO-TP0) 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.