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| Any Risk to System Queues by Enabling List Queues Feature? |
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| kdjasper |
 Posted: Tue Sep 28, 2004 7:20 pm Post subject: Any Risk to System Queues by Enabling List Queues Feature? |
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Guest
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Hi Roger.
I have crossed the system security hurdle by using BlockIP2 security exit to ensure that only legitimate users are connecting via MQ Visual Browse and MQ Visual Edit. In doing so, I chose to leave the MCAUSER blank on the MQCLIENT.SVRCONN channel I created for using MQVB & MQVE, as I feel confident in how tight I have the rules in the BlockIP2 config file (doing so returns a 2063 security error for invalid userids rather then 2035 within MQVB & MQVE). Also, having it set up this way I get "connection refused" in the BlockIP2 log rather then "connection accepted" for invalid access attempts. I did, however, change MCAUSER=NoBody on both the SYSTEM.AUTO.SVRCONN and SYSTEM.DEF.SVRCONN channels for security reasons.
In order for userids not in the mqm group (Windows 2000 Server) to list the queues, I needed to do the following as I discovered at: http://www.mqseries.net/phpBB2/viewtopic.php?t=16579
| Quote: |
Also, here are the commands for you to partially list queues (with a mask).Code:
setmqaut -m TESTQM -t qmgr -g mqmon +dsp +allmqi
setmqaut -m TESTQM -t q -n SYSTEM.** -g mqmon +dsp +allmqi |
My question is, what risk is there in letting authorized users have +allmqi to the system queues with MQVE? I am a new MQ Admin having no formal training, but I am not sure if I am comfortable with users having this ability (I know I can take it away, but then they will get 2035 error when trying to list the queues). Is +allmqi needed on ALL system queues (SYSTEM.**) for the pcf command to work and retrieve the queue list, or can a subset be used? I was able to trim it down to the following and have it work, but was hoping to trim it down to as few system queues as possible.
| Code: |
| setmqaut -m TESTQM -t q -n SYSTEM.** -g mqmon +dsp +get +put +inq +set |
Thanks for the help |
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| RogerLacroix |
| Posted: Tue Sep 28, 2004 9:30 pm Post subject: |
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Jedi Knight
Joined: 15 May 2001
Posts: 3258
Location: London, ON Canada
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Hi,
For MQ Visual Edit / Browse only need access to 'SYSTEM.ADMIN.COMMAND.QUEUE' and 'SYSTEM.DEFAULT.MODEL.QUEUE' for the 'List of Queues' function. If so you really want to tighten down security then do the following 2 commands instead of your SYSTEM.** command:
| Code: |
setmqaut -m TESTQM -t q -n SYSTEM.ADMIN.COMMAND.QUEUE -g mqmon +dsp +get +put +inq
setmqaut -m TESTQM -t q -n SYSTEM.DEFAULT.MODEL.QUEUE -g mqmon +dsp +allmqi |
I don't believe you need the '+set' parameter for the 'SYSTEM.ADMIN.COMMAND.QUEUE' queue.
Regards,
Roger Lacroix
_________________
Capitalware: Transforming tomorrow into today.
Connected to MQ!
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| kdjasper |
| Posted: Wed Sep 29, 2004 8:04 am Post subject: Thanks! |
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Guest
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Roger, you are right on top of things!
I changed security per your suggestion, and it works beautifully. Much nicer from a user perspective to not see all those system queues listed. From an Admin perspective I am more relaxed without allowing puts to all the system queues.
Cheers!
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| RogerLacroix |
| Posted: Thu Sep 30, 2004 12:35 pm Post subject: |
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Jedi Knight
Joined: 15 May 2001
Posts: 3258
Location: London, ON Canada
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kdjasper,
I did a little more testing and got the 2 rules down to:
| Code: |
setmqaut -m TESTQM -t q -n SYSTEM.ADMIN.COMMAND.QUEUE -g mqmon +dsp +inq +put
setmqaut -m TESTQM -t q -n SYSTEM.DEFAULT.MODEL.QUEUE -g mqmon +dsp +inq +get |
Regards,
Roger Lacroix
Capitalware Inc.
_________________
Capitalware: Transforming tomorrow into today.
Connected to MQ!
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