861
OWAMP Control
Low RiskTCP — Other
Port Overview
Port Number
861
Service Name
OWAMP Control
Transport Protocol
TCP
Category
Other
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 861?
One-Way Active Measurement Protocol (OWAMP) control channel, defined in RFC 4656, for measuring one-way network delay, jitter, and packet loss.
TCP
Other
Security Considerations
Port 861 (OWAMP Control) 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.