File Transfer Protocol RANG Command for Byte Ranges

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Document Type Expired Internet-Draft (individual)
Authors Anthony Bryan  , Tatsuhiro Tsujikawa  , Daniel Stenberg 
Last updated 2011-03-14 (latest revision 2011-02-01)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The File Transfer Protocol offers the REST command to designate a starting point for a transfer, but does not currently offer any method to specify an end point. This document specifies a new FTP RANG command to be used by clients to designate a start and end point to permit restarts and repairs of interrupted data transfers in STREAM mode.


Anthony Bryan (
Tatsuhiro Tsujikawa (
Daniel Stenberg (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)