[ejabberd] Server-to-Server

Zbyszek Żółkiewski zbyszek at toliman.pl
Mon Mar 26 12:50:29 MSD 2007


first of all you should upgrate to 1.1.3 as Mickaël write before 0.9.8 is
very old. Try new version and write back if that fix your problem


On 3/26/07, Jannie Pieterse <peerfolder at gmail.com> wrote:
>
> Hi,
>
> Can anyone explain to me how the S2S (Server-to-Server) dialback works?  I
> have managed to create a S2S connection if i initiate the connection.  But
> if the ejabberd (0.9.8) initiates the connection the S2S does not work.
>
>
> Firstly here is how the S2S works if i initiate the connection.
>
> 1) ServerX (My jabber server) creates connection (CON1) to EjabberD (Ejab)
> 2) on CON1 : ServerX sends : <stream:stream xmlns:stream="
> http://etherx.jabber.org/streams" xmlns="jabber:server" to="serv.x.com"
> version="1.0" xmlns:db="jabber:server:dialback">
> 3) [CON1] : Ejab sends : <?xml version='1.0'?><stream:stream
> xmlns:stream='http://etherx.jabber.org/streams' xmlns='jabber:server'
> xmlns:db='jabber:server:dialback' id='1899568158'>
> 4) [CON1] : ServerX sends : <db:result from='serv.x.com' to='ejab.com
> '>a2ef419e915f7a0ffafc48ee8b11793c53acd489</db:result>
>
> 5) Ejab creates new connection (CON2) to ServerX
> 6) [CON2] : Ejab sends : <?xml version='1.0'?><stream:stream
> xmlns:stream='http://etherx.jabber.org/streams ' xmlns='jabber:server'
> xmlns:db='jabber:server:dialback' to='serv.x.com'>
> 7) [CON2] : ServerX sends : <stream:stream xmlns:stream="http://etherx.jabber.org/streams"
> xmlns="jabber:server" id="ykSCf-0" version="1.0"
> xmlns:db="jabber:server:dialback">
> 8) [CON2] : Ejab sends : <db:result from=' ejab.com' to='serv.x.com
> '>2109998309</db:result>
> 9) [CON2] : Ejab sends : <db:verify from='ejab.com ' to='serv.x.com'
> id='1899568158'>a2ef419e915f7a0ffafc48ee8b11793c53acd489</db:verify>
> 10) [CON2] : ServerX sends : <db:verify from=' serv.x.com' to='ejab.com'
> id='1899568158' type='valid'/>
>
> 11) [CON1] : ServerX sends : <db:verify from='serv.x.com ' to='ejab.com'
> id='ykSCf-3'>2109998309</db:verify>
> 12) [CON1] : Ejab sends : <db:result from='ejab.com' to=' serv.x.com'
> type='valid'/>
> 13) [CON1] : Ejab sends : <db:verify from='ejab.com' to='serv.x.com'
> id='ykSCf-3' type='valid'/>
>
> 14) [CON2] : ServerX sends : <db:result from='serv.x.com' to='ejab.com'
> id='h9C31-5' type='valid'/>
>
> After this the S2S seems to work.   If a client on the one domain wants to
> communicate to a client on a other domain, the messages gets through.
>
> Now the problem is if the Ejab server initiates the connection!
> I do everything i reverse as above.  It gets to step 10 then the Ejab
> server try to create a new connection to my server and sends then the
> following over that connection!
> *1) <?xml version='1.0'?><stream:stream xmlns:stream='
> http://etherx.jabber.org/streams' xmlns='jabber:server'
> xmlns:db='jabber:server:dialback' to=' serv.x.com'>
> *2) I Reply : <stream:stream xmlns:stream="
> http://etherx.jabber.org/streams" xmlns="jabber:server" id="4zCl8-2"
> version=" 1.0" xmlns:db="jabber:server:dialback">
> *3) <db:verify from='ejab.com' to='serv.x.com'
> id='238406514'>2f7825b63a333bba814b10de49a44994223a5fad</db:verify>
>
>
> Why is it trying to create a new connection?  I really think i am lost
> with this, please help me.  If someone can give me a tcp dump or a example
> of how it should be done.
>
> Thanks
> Phil
>
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>
>


-- 
pozdrawiam,
Zbyszek Żółkiewski
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