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| MQ security Windows, GUID issue? |
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| mqseries0209 |
 Posted: Fri Sep 16, 2011 7:58 am Post subject: MQ security Windows, GUID issue? |
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Voyager
Joined: 30 Mar 2006
Posts: 90
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I know I still have test it out, and I am planning to next week, but I have a concern and would really appreciate some input on this.
Environment:
Windows 2008 server, MQ 7.1 installed on Two clustered windows nodes and MQ Queue manager is a MSCS resource.
Question:
If I create local group with same name on both the windows nodes and run the security script (setmqaut for QM objects for the local group) on the group on each node, will the security will still work when QM fails over to the other cluster node?
I talked to windows admin, and they said same GUID for the same group name cannot be guaranteed on both the windows nodes so, I am concerned if the security will work when the QM fails over.
Please suggest.
thank you.
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| fjb_saper |
| Posted: Fri Sep 16, 2011 4:25 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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The groupid should be a domain groupid. This way the same uuid is guaranteed right? 
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| mqseries0209 |
| Posted: Mon Sep 19, 2011 7:18 am Post subject: |
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Voyager
Joined: 30 Mar 2006
Posts: 90
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| Quote: |
| The groupid should be a domain groupid. This way the same uuid is guaranteed right? |
MQ security cannot be run on domain group's.
On Windows, security can either be configured on domain user or local user OR LOCAL group.
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| gbaddeley |
| Posted: Mon Sep 19, 2011 4:49 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| mqseries0209 wrote: |
| On Windows, security can either be configured on domain user or local user OR LOCAL group. |
Correct, the setmqaut command only accepts -g localgroup on Windows. However, the local group can contain domain groups.
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| mqseries0209 |
| Posted: Tue Sep 20, 2011 8:53 am Post subject: |
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Voyager
Joined: 30 Mar 2006
Posts: 90
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| Quote: |
| Correct, the setmqaut command only accepts -g localgroup on Windows. However, the local group can contain domain groups. |
That can be done, but does not answer my question/concern.
The security still will be run on local group and not sure how that will affect when the Queue Manager fails over.
I want to find out if the MQ security is based on unique GUID on each machine or based on unique group name.
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| exerk |
| Posted: Tue Sep 20, 2011 11:19 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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| mqseries0209 wrote: |
That can be done, but does not answer my question/concern. The security still will be run on local group and not sure how that will affect when the Queue Manager fails over.
I want to find out if the MQ security is based on unique GUID on each machine or based on unique group name. |
I have run MSCS setups with a domain mqm group within the local mqm group, i.e. the MQSeriesService runs under a domain user, and everything works fine. Ditto WMQ-related domain user groups in local groups created for the purpose of OAM lock-down.
As far as I am aware, it's only Multi-Instance queue managers on Windows that require 'mirroring' (of the SSID I think, hence why they have to be on Domain Controllers).
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