[standards-jig] Re: [JDEV] DSPS

Richard Dobson richard at dobson-i.net
Wed Jul 24 14:39:40 UTC 2002

Yes, I too do not see the point in a SOCKS JEP, but I think what would be
better is to define a proper standard filetranfer negotiation protocol,
rather than extending DSPS to provide it since it is not really appropriate,
DSPS is better as an alternate connection negotiation extra to a proper
filetransfer negotiation protocol,

This protocol would be to do the following.

Tell the receiver the following things about the file to be transferred:
Hash (to verify the file is the same as the original file when downloaded,
useful for cases where file is uploaded to a webserver to check for
(Plus other info which others might think of)

Also possibly used to state the available transfer mechanisms be it (which
disco could be used for when its finalised):
HTTP server download
HTTP local download (an HTTP server running in the client) (could use SOCKS
Direct stream connections (could use SOCKS transparently)

This is my input, im not against DSPS but it does issues.


----- Original Message -----
>From: "Matthias Wimmer" <m at tthias.net>
To: <standards-jig at jabber.org>
Sent: Wednesday, July 24, 2002 3:04 PM
Subject: Re: [standards-jig] Re: [JDEV] DSPS

> Hi Matthew!
> Matthew A. Miller wrote:
> >Many within the Jabber Community are finding the need for something like
> >DSPS.  This is why it was brought forward (well, that and the somewhat
> >general consensus that PASS is lacking (-: ).  If you believe a
> >SOCKS-based approach meets these needs better, then by all means draft
> >up a JEP, so we can discuss it!
> >
> I don't like DSPS (especially as the standard way of transfering files)
> either. But there is no need for a SOCKS-JEP, because SOCKS is an
> already existing protocol that doesn't need special support by the
> Jabber protocol. The client authors just have to implement it.
> I hope I have to time to implement it in Gabber for file transfers soon.
> At the moment SOCKS is only used for outgoing connections and not for
> incoming connections (sending files).
> If you don't have a SOCKS proxy available at your network it's also
> possible to transfer files by putting them on a http server that is
> outside the firewalled network first. E.g. this can be done with WebDAV.
> I really think that everything you need for file transfers between
> firewalled hosts is already there. I beleave that in band file transfer,
> server supported file transfer and all these things come up all the time
> because the client authors don't know what is already possible.
> Tot kijk
>     Matthias
> --
> Fon: +49-700 77007770 http://matthias-wimmer.de/
> Fax: +49-89 312 88654 jabber://mawis@charente.de
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