Nancy J. Neigus Bolt Beranek and Newman, Inc. Cambridge, Mass.
File Transfer Protocol (Aug. 12, 1973) RFC 542 NIC 17759 See
Also: RFCs 354, 454, 495  File Transfer Protocol for the ARPA
Network  File Transfer Protocol (Aug. 12, 1973) RFC 542 NIC
17759   This document is the result of several months discussion
via RFC (relevant numbers are 430, 448, 454, 463, 468, 478,
480), followed by a meeting of the FTP committee at BBN on March
16, followed by further communication among committee members.
There are a considerable number of changes for the last
"official" version, see RFCs 354, 385, but the gross structure
remains the same. The places to look for differences are (1) in
the definitions pf types and modes, (2) in the specification of
the data connection and data sockets, (3) in the command-reply
sequences, (4) in the functions dependent on the TELNET protocol
(FTP has been altered to correspond to the new TELNET spec). The
model has been clarified and enlarged to allow inter-server file
transfer, and severa