RFC 581 · UNKNOWN · 1973
MON · 15 JUN 2026
Corrections to RFC 560: Remote Controlled Transmission and Echoing Telnet Option
Overview
RFC 581, “Corrections to RFC 560: Remote Controlled Transmission and Echoing Telnet Option”, is an Unknown document published in November 1973 by D. Crocker, J. Postel. It updates RFC 560. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 581 is hosted at rfc-editor.org. Available in TXT,PDF,HTML.
Relationships to other RFCs
Other RFCs from 1973
- RFC 580 Note to Protocol Designers and Implementers
- RFC 582 Comments on RFC 580: Machine readable protocols
- RFC 579 Traffic statistics
- RFC 578 Using MIT-Mathlab MACSYMA from MIT-DMS Muddle
- RFC 584 Charter for ARPANET Users Interest Working Group
- RFC 577 Mail priority
- RFC 585 ARPANET users interest working group meeting
- RFC 576 Proposal for modifying linking