RFC 438 · UNKNOWN · 1973
MON · 15 JUN 2026
FTP server-server interaction
Overview
RFC 438, “FTP server-server interaction”, is an Unknown document published in January 1973 by R. Thomas, R. Clements. 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 438 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1973
- RFC 437 Data Reconfiguration Service at UCSB
- RFC 439 PARRY encounters the DOCTOR
- RFC 436 Announcement of RJS at UCSB
- RFC 440 Scheduled network software maintenance
- RFC 435 Telnet issues
- RFC 441 Inter-Entity Communication - an experiment
- RFC 434 IMP/TIP memory retrofit schedule
- RFC 442 Current flow-control scheme for IMPSYS