RFC 521 · UNKNOWN · 1973 TUE · 15 SEP 2026

Restricted use of IMP DDT

By A.M. McKenzie · Published May 1973 · DOI 10.17487/RFC0521

Overview

RFC 521, “Restricted use of IMP DDT”, is an Unknown document published in May 1973 by A.M. McKenzie. The canonical text is published by the RFC Editor.

What “Unknown” means

The standards-track status of this early RFC was never formally classified.

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