[Psi-devel] Reverse mode for file transfer in Psi

[textshell-I1QKlO at neutronstar.dyndns.org]

On Mon, Apr 02, 2007 at 12:56:45AM +0200, Matthias Wimmer wrote:
> Hi!
> 
> I am currently planning to implement offline file transfer in jabberd14 
> (i.e. senders being able to send files to the user's bare JID and the 
> server accepting the file transfer and resending the file to the user 
> when it gets online - later maybe even including a file transfer 
> protocol conversation).
> 
> I expect that a reverse mode would be very suggestive in that case (i.e. 
> being able that the server accepts a connection initiated by the server 
> of the file) because typically the server will not be behind a NAT box. 
> Therefore also allowing NATed clients not having a configured SOCKS5 
> proxy to still send files to the server.
> 
> Dark in my mind I remember, that I have heard about an own extension of 
> Psi to the old file transfer protocol that supports such a reverse mode.
> 
> Has this mode ever been implemented in Psi and is it still supported? If 
> yes, is there any documentation of this protocol available?
> 

the "fast" extension is supported by psi
see http://delta.affinix.com/specs/stream.html for documentation. 
I'm sure justin can tell you more about it, but i think it does
all you need.

 - Martin H.