[jdev] confusion with subscription states in XIMP
pebe at webde-ag.de
Thu Jun 17 09:26:39 CDT 2004
Jacek Konieczny wrote:
> On Thu, Jun 17, 2004 at 02:42:04PM +0200, Peter Beck wrote:
>>I'm confused about some difference between the Presence Subscription States
>>described in XIMP, capture 9
>>(http://www.jabber.org/ietf/draft-ietf-xmpp-im-22.html#substates) and the
>>behavior of real XMPP servers.
>>For my understanding it is possible to send a 'subscribed' message to a
>>contact, without receiving a 'subscribe' from the contact before. In other
>>word: The user/contact relation is for example in state 'None' and changes
>>to state 'From' with sending <presence type='subscribed' to='contact'
> This is a bug of old Jabber servers. In XMPP this is illegal.
>>As described in XIMP 9.2 table 1, a state change from 'None' to 'From' with
>>'subscribed' is not possible. In other word: only after receiving a
>>'subscribe' from the contact, the user could send a 'subscribed' to the
> That is right.
>>If yes. What are the reasons? Maybe the behavior in XIMP is founded on
>>security concerns, but I can't expect witch.
> It is not good when other entity may fill your roster without any
> request from you.
That's a argument.
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