knownports / Ports 800–1023 / Ports 861 and 862

Ports861 & 862

  • 861owamp-control
  • 861owamp-test
  • 862twamp-control
  • 862twamp-testTWAMP-Test Receiver Port

Port 861 carries two registered names: owamp-control on TCP; owamp-test on UDP. Port 862 carries two registered names: twamp-control on TCP; twamp-test on UDP. Both are among the 133 numbers whose TCP and UDP entries carry different names. Both numbers cite RFC 8545, and 862 adds RFC 5357. The registry last changed both entries on December 21, 2018.

  1. 853domain-s
  2. 854dlep
  3. 5 free
  4. 860iscsi
  5. 861owamp-control
  6. 862twamp-control
  7. 10 free
  8. 873rsync
  9. 12 free
  10. 886iclcnet-locate
  11. 887iclcnet-svinfo
TCP assignedUDP assignedreservedno entryAll 44 assigned numbers in ports 800–1023

Registry entries

PortServiceProtocolsRegisteredModifiedRFCsOther specs
861owamp-controlTCP——RFC 4656—
861owamp-testUDP—Dec 21, 2018RFC 8545—
862twamp-controlTCP——RFC 5357—
862twamp-testUDP—Dec 21, 2018RFC 8545—

Cited RFCs

RFCTitlePublishedStatusLater changes
RFC 4656A One-way Active Measurement Protocol (OWAMP)September 2006Proposed Standardupdated by RFC 7717, RFC 7718, RFC 8545
RFC 5357A Two-Way Active Measurement Protocol (TWAMP)October 2008Proposed Standardupdated by RFC 5618, RFC 5938, RFC 6038, RFC 7717, RFC 7750 and 1 more
RFC 8545Well-Known Port Assignments for the One-Way Active Measurement Protocol (OWAMP) and the Two-Way Active Measurement Protocol (TWAMP)March 2019Proposed Standard—

Listed in Ports that cite an RFC · Different services on TCP and UDP