RFC 842 · UNKNOWN · 1983
MON · 15 JUN 2026
Who talks TCP? - survey of 1 February 83
Overview
RFC 842, “Who talks TCP? - survey of 1 February 83”, is an Unknown document published in February 1983 by D. Smallberg. It obsoletes RFC 839. It has been obsoleted by RFC 843 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This RFC is a survey of hosts to identify the implementation status of Telnet, FTP, and Mail on TCP. The list of hosts was taken from the NIC hostname table of 28-Jan-83. The tests were run on 1-Feb-83 and on 2-Feb-83 ISI-VAXA.ARPA.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 842 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1983
- RFC 841 Specification for message format for Computer Based Message Systems
- RFC 843 Who talks TCP? - survey of 8 February 83
- RFC 840 Official protocols
- RFC 844 Who talks ICMP, too? - Survey of 18 February 1983
- RFC 839 Who talks TCP?
- RFC 845 Who talks TCP? - survey of 15 February 1983
- RFC 838 Who talks TCP?
- RFC 846 Who talks TCP? - survey of 22 February 1983