A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : IPv6-to-IPv4 translation FTP considerations
Author(s) : I. van Beijnum
Filename : draft-van-beijnum-behave-ftp64-06.txt
Pages : 12
Date : 2009-10-19
The File Transfer Protocol has a very long history, and despite the
fact that today, other options exist to perform file transfers, FTP
is still in common use. As such, it is important that in the
situation where some client computers are IPv6-only while many
servers are still IPv4-only and IPv6-to-IPv4 translators are used to
bridge that gap, FTP is made to work through these translators as
best it can.
FTP has an active and a passive mode, both as original commands that
are IPv4-specific, and as extended, IP version agnostic commands.
The only FTP mode that works without changes through an IPv6-to-IPv4
translator is extended passive. However, many existing FTP servers
don't support this mode, and some clients don't ask for it. This
document describes server, client and middlebox (if any) behavior
that minimizes this problem.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-van-beijnum-behave-ftp64-06.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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Internet-Draft.
- <ftp://ftp.ietf.org/internet-drafts/draft-van-beijnum-behave-ftp64-06.txt>
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