RFC 862 · INTERNET STANDARD · 1983
MON · 15 JUN 2026
Echo Protocol
Overview
RFC 862, “Echo Protocol”, is an Internet Standard document published in May 1983 by J. Postel. The canonical text is published by the RFC Editor.
Abstract
This RFC specifies a standard for the ARPA Internet community. Hosts on the ARPA Internet that choose to implement a Echo Protocol are expected to adopt and implement this standard. The Echo service simply sends back to the originating source any data it receives.
What “Internet Standard” means
A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.
Read this RFC
The canonical text of RFC 862 is hosted at rfc-editor.org. Available in TXT,HTML.
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