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| How to read from a Message Queue in VB.NET |
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| fishlips |
 Posted: Wed Dec 21, 2011 2:49 am Post subject: How to read from a Message Queue in VB.NET |
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Apprentice
Joined: 21 Dec 2011
Posts: 36
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Hello,
I am very new to MQ, and have been tasked with writing a VB.NET application which remotely connects to a Queue Manager, then reads messages from a queue.
I have a hunch that this will not work, for the following reasons:
1 - The MQ Server is not on the same domain as my development PC
2 - I cannot authenticate to MQ Server with my AD Account (I can only connect by enabling user identification)
The only success I have had so far, is that I've been able to connect to the queue manager using MQ Explorer on my development PC, using some credentials that have been given to me (basically the MQ Administrator account). The credentials were entered in the "User Identification Details" section of Websphere MQ Client.
If I don't check the "Enable user identification" option, I get error AMQ4036 - Access Not Permitted.
Everywhere that I've read so far seems to imply that you don't pass credentials when connecting to an MQ server through the API, so, at a first glance, I cannot see how what I'm trying to do is possible, especially as the MQ Server is not on the same domain. The only way this would work, is if the API can support authentication via "User Identification".
Can anyone offer any guidance with regards to this topic? I suspect that we are going about this the wrong way.
Another thing that I think is worth mentioning, is that I am not the MQ Administrator.
Thanks. |
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| mqjeff |
| Posted: Wed Dec 21, 2011 2:54 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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Since you are not the MQ Administrator, you should be taking this authorization issue to that person.
In general, the proper way for the MQ Administrator to solve this issue is to provide you with a client certificate and the name of a specific SVRCONN channel on the queue manager. The certificate will then be used to authenticate that it is you and not someone else, and the channel will be configured with a mechanism to authorize you into a known role.
If your MQ Administrator doesn't do this, but instead says you just need to run your code as the right ID, then you should tell the MQ Administrator that their queue managers are completely insecure and you have full administrative access to everything. Because you do... |
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