On Wed, Oct 6, 2010 at 6:00 AM, <curl-users-request_at_cool.haxx.se> wrote:
> Date: Tue, 5 Oct 2010 23:43:47 +0200 (CEST)
> From: Daniel Stenberg <daniel_at_haxx.se>
> To: the curl tool <curl-users_at_cool.haxx.se>
> Subject: Re: Versions of ftp and sftp supported by libcurl-7.20.1
> Message-ID: <alpine.DEB.2.00.1010052320530.25613_at_tvnag.unkk.fr>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Tue, 5 Oct 2010, Juan Carlos Franzoy wrote:
>
>> Yesterday I was asked about which version (read which RFC) of FTP and SFTP
>> are we using. I was browsing the documentation but I couldn't find it. Can
>> anybody tell me which rfc concering FTP and SFTP are supported in
>> libcurl-7.20.1?
>
> A fair question indeed. I guess we should make this info into the docs
> somewhere. I'll go for the lenghtier explanation here:
>
> For FTP, the base spec is RFC959. But FTP has been extended many times since,
> and we use parts of RFC1123 and the later various extensions if they seem to
> work, I don't think it relies on anything other than plain RFC959. The FTP
> implementation is natively done within libcurl. (I'm the primary author of it)
>
> There's really no easy single spec to refer to, but rather a long range of
> them (RFC1635, RFC2228, RFC2428, RFC2577 at least and RFC4217 if you want to
> include FTP with TLS). There's talk going on in IETF to start a ftpext group
> to work on such a unified spec but it's not taken off yet and it's not certain
> that it ever will as FTP is considered a dead protocol by too many people.

if anyone is interested in FTP and new features/commands in
RFCs/Internet Drafts, examining current specs, & getting the RFCs
aligned with current practice, then you should join the FTPEXT mailing
list.

it's very low traffic, & your help on this dead protocol will be appreciated :)

http://www.ietf.org/mail-archive/web/ftpext/current/maillist.html

Daniel is an co-author of the HASH draft we are working on there.

-- 
(( Anthony Bryan ... Metalink [ http://www.metalinker.org ]
  )) Easier, More Reliable, Self Healing Downloads
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