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MQSeries.net Forum Index » General Discussion » Need some info about openOptions in MQSeries

Need some info about openOptions in MQSeries

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starki78

Posted: Mon Oct 05, 2009 2:47 am Post subject: Need some info about openOptions in MQSeries

Acolyte

Joined: 24 Sep 2007
Posts: 53

Hello,

I made some research in the internet but was not lucky to understand openOptions.

Has somebody a good link?

Let's assume I use in the first case
int openOptions = MQC.MQOO_INPUT_SHARED | MQC.MQOO_FAIL_IF_QUIESCING | MQC.MQOO_INQUIRE;

and in the second case:

MQC.MQOO_INQUIRE | MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_SET | MQC.MQOO_SET_ALL_CONTEXT | MQC.MQOO_OUTPUT;

What are usecases/advantages/disadvantages?
Is there any security hole when using too many openOptions?

Thanks in advance for any pointer

Christian

crossland

Posted: Mon Oct 05, 2009 3:10 am Post subject:

Master

Joined: 26 Jun 2001
Posts: 248

Try and only use those options that you need.

In terms of security holes (hopefully) your security will only permit you to use those options which are necessary to meet your business requirements and adding additional options beyond that will result in an authorisation error.

Tim Crossland
http://www.inspirotechnic.com

zpat

Posted: Mon Oct 05, 2009 3:42 am Post subject:

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

Usually it is not a good idea to open the same queue for both input and output.

Typically a program will do one or the other, not both, on the same queue.

Opening a output queue for input prevents a remote queue being used.

Also requires more access rights than needed.

starki78

Posted: Mon Oct 05, 2009 3:45 am Post subject:

Acolyte

Joined: 24 Sep 2007
Posts: 53

thanks for your feedback,
this brought some light in it.

Cheers
Christian

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