:165
(TCP/UDP)
Low Risk
XNS-Courier
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TCP/UDP — System & Infrastructure
Port Overview
Port Number
165
Service Name
XNS-Courier
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 165?
Xerox Network Systems Courier. An RPC protocol in the XNS suite for remote procedure calls between networked Xerox systems.
TCP/UDP
System & Infrastructure
Security Considerations
Port 165 (XNS-Courier) 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.