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List:       jabber-jdev
Subject:    [jdev] Re: Ports to use in s2s
From:       "Gaston Dombiak" <gaston () jivesoftware ! com>
Date:       2005-05-13 22:48:09
Message-ID: d63aci$tvj$1 () sea ! gmane ! org
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Thanks Stephen for the quick reply.

  -- Gato

"Stephen Marquard" <scm@marquard.net> wrote in message 
news:d62ogl$7jd$1@sea.gmane.org...
> Gaston Dombiak wrote:
>> Hey all,
>>
>> The RFC3920 says that  "The RECOMMENDED port for connections between 
>> servers is 5269". Should the same port (eg. 5269) be used for TLS s2s 
>> communication and Server Dialback?
>
> Yes, because TLS negotiation takes place after the initial s2s stream is 
> established.
>
>> When doing Server Dialback, which port should the Receiving Server 
>> connect to for establishing a connection to the Authoritative Server?
>
> The same port it would use for initiating a connection, which could be 
> 5269 but could be something else defined in an _xmpp-server._tcp dns SRV 
> record. An existing connection can also be used for dialback.
>
> Regards
> Stephen 



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