RFC 571 · UNKNOWN · 1973

TENEX FTP PROBLEM

Overview

RFC 571, “TENEX FTP PROBLEM”, is an Unknown document published in November 1973 by R. Braden. 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 571 is hosted at rfc-editor.org. Available in TXT,HTML.

Other RFCs from 1973

Who Is Online

In total there are 97 users online: 0 registered, 90 guests and 7 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Bingbot Facebook Googlebot Other Bot SemrushBot

Users active in the past 15 minutes. Total registered members: 354