[jdev] Re: S2S and SASL
vinod.p at gmail.com
Fri Jul 29 03:56:58 CDT 2005
On 7/29/05, Justin Karneges <justin-keyword-jabber.093179 at affinix.com> wrote:
> On Thursday 28 July 2005 11:51 pm, Vinod Panicker wrote:
> > The RFC is silent about the unidirectional communication being
> > permitted before the connection pair is successfully negotiated (for
> > dialback). Although, it does state the following - "Therefore, server
> > dialback MUST be completed in each direction in order to enable
> > bi-directional communications between two domains".
> You want section 4.2:
> "In the context of server-to-server communications, a server MUST use one TCP
> connection for XML stanzas sent from the server to the peer and another TCP
> connection (initiated by the peer) for stanzas from the peer to the server,
> for a total of two TCP connections."
I was stating that the RFC is silent about stanza communications
starting as soon as one connection is successful, before the
complementary connection has been established.
> > Now, what are the steps to consider in case of the following -
> > - SASL negotiation succeeds on an s2s connection and the initiating
> > entity sends some data over it.
> > - SASL negotiation fails for the second s2s connection.
> > What will happen in case of the above?
> Failed s2s connections can happen at any time, SASL or not. I don't think a
> failed inbound s2s connection should have any effect on established s2s
> connections. So in your example you'd be stuck with a one-way channel.
Any recommendations / standard practices on what to do in case of a
situation like this?
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