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MQSeries.net Forum Index » General IBM MQ Support » allow get messages to specific client.

allow get messages to specific client.

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solkit

Posted: Fri Jun 16, 2006 4:14 am Post subject: allow get messages to specific client.

Novice

Joined: 25 May 2006
Posts: 21

I have a message to send to specific client.
I'm not using pub/sub model and the message is going into a queue which has a variety of messages.

Is there any way to send this message to the client?

If I set the CorrelID on message then the client can get the message when he match the message with CorrelID.
But the problem is that other Client also can get the message without any option.

Can I block other client if the do not give any option?

And is there anyway to do what I want to do?
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mvic

Posted: Fri Jun 16, 2006 4:19 am Post subject: Re: allow get messages to specific client.

Jedi

Joined: 09 Mar 2004
Posts: 2080

solkit wrote:

Can I block other client if the do not give any option?

No, MQ will not enforce any matching rules if the app specifies no match options.

Quote:

And is there anyway to do what I want to do?

(a) Have all getting apps use match-correl-id, or (b) Have a queue that is only watched by the one app.

fjb_saper

Posted: Sat Jun 17, 2006 5:09 pm Post subject:

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

Here is the quick 2 cents worth answer...

If your messages are non persistent have the client in the request / reply model specify a dynamic replyto queue. As such the client would need to create it before the first request and release it at the end of the session but it would not be accessible to any other user not part of the admin (mqm) group or not part of any authorized group for the queue name as per authorization schema.

Of course any other user would first need to run some enquiry as to the existence of the dynamic queue.... So I would say this is quite secure...
Does it guarantee that the message will not be intercepted and read? Only message level encryption can give you an answer here...

Enjoy

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