:121
(TCP/UDP)
Low Risk
ERPC
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TCP/UDP — System & Infrastructure
Port Overview
Port Number
121
Service Name
ERPC
Transport Protocol
TCP/UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 121?
Encore Expedited Remote Procedure Call. Used by Encore Computer Corporation for fast remote procedure calls in their multiprocessor systems.
TCP/UDP
System & Infrastructure
Security Considerations
Port 121 (ERPC) 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.