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From: David Thompson <dave.thompson2@verizon.net>
Newsgroups: comp.lang.ada
Subject: Re: library/binding for sftp?
Organization: Poor
Message-ID: <hvpg19hjqn47l37utp1fnpnu7hhks732k6@4ax.com>
References: 
 <9oo34px7j5ko$.1j7bcnxwzgcxe.dlg@40tude.net><ef5ac77e-14b7-4328-8b7f-0db73020cee5@googlegroups.com><20130808111404.5fc6ce14@hactar.xn--rombobjrn-67a.se><1nfcrgjw8vkrb.1aukq12ys882l$.dlg@40tude.net><20130808133709.09dfef98@hactar.xn--rombobjrn-67a.se><ku0qti$6nr$1@loke.gir.dk>
 <20130809104904.6ca91de2@hactar.xn--rombobjrn-67a.se>
 <ku3ig5$9ml$1@loke.gir.dk> <alpine.DEB.2.10.1308191900320.24091@debian>
 <kuu8uc$n86$1@loke.gir.dk> <alpine.DEB.2.10.1308200931020.28419@debian>
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Date: Sat, 24 Aug 2013 04:06:46 -0400
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Xref: news.eternal-september.org comp.lang.ada:16949
Date: 2013-08-24T04:06:46-04:00
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On Tue, 20 Aug 2013 10:14:47 +0200, Stefan.Lucks@uni-weimar.de wrote:

> On Mon, 19 Aug 2013, Randy Brukardt wrote:

<snip: other issues about security>

> > If you need public connections, then surely use SSH.
> 
> Agreed. Which is what the OP has been asking about, namely sftp (which is 
> ftp + ssh).
> 
Not quite. SFTP is a new protocol which provides functions similar to
and clearly based on FTP, run over SSH, but SFTP is not the same as
FTP over SSH (which is technically possible but rarely if ever used).

As a user you can generally ignore the difference -- you still type
DIR and GET and PUT and it looks about the same -- but if you are
implementing the protocol it makes a big difference and even if you're
just binding to an existing implementation, which was the start to
this thread, some differences may be significant.