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MQSeries.net Forum Index » IBM MQ Security » Adding signer cert to MQ keystore and refresh SSL

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zpat
PostPosted: Fri May 03, 2013 5:58 am    Post subject: Adding signer cert to MQ keystore and refresh SSL Reply with quote

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

I am planning to add a new CA signer certificate to our keystore (MQ v7019 on AIX)

My question is - to use this new signer certificate, is it necessary to issue refresh security type(ssl) or not?

Issuing refresh will break all ssl svrconn connections (which I want to avoid).

I can stop/start the sender channel that needs the new signer certificate - so are all the certs loaded at this point in time (from the keystore)?

My understanding from the infocenter is that as long as the channel process restarts (i.e. the channel was previously inactive) it will load the SSL keystore and not need the refresh.

Therefore even an active sender channel can also be stopped with status(inactive) to ensure this happens.

Can anyone confirm this is the case?
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hughson
PostPosted: Thu May 09, 2013 7:56 am    Post subject: Re: Adding signer cert to MQ keystore and refresh SSL Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1959
Location: Bay of Plenty, New Zealand

zpat wrote:
My understanding from the infocenter is that as long as the channel process restarts (i.e. the channel was previously inactive) it will load the SSL keystore and not need the refresh.


The channel process may include many other channels - remember that we have the amqrmppa - channel pool processes. Stopping your sender channel will not necessarily end the pool process, and so the pool process will still have the old version of the cached key repository.

Also, when you start up the sender channel again, you cannot guarantee which pool process it will run in when started, so how can you know it will have a new version of the cached key repository?

The only way to be sure is to use the REFRESH command.

Cheers
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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zpat
PostPosted: Thu May 09, 2013 8:03 am    Post subject: Reply with quote

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

OK thanks, I had come to a similar conclusion by empirical means.

Now, I just have to break the bad news to the MQ client connected application owners...

Glad to see you on here by the way, but what happened to the last 15 years?
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hughson
PostPosted: Thu May 09, 2013 8:13 am    Post subject: Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1959
Location: Bay of Plenty, New Zealand

zpat wrote:
Glad to see you on here by the way, but what happened to the last 15 years?

I guess I never got as far as registering on here before. About time though
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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MQGem Software
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Vitor
PostPosted: Thu May 09, 2013 8:20 am    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

hughson wrote:
zpat wrote:
Glad to see you on here by the way, but what happened to the last 15 years?

I guess I never got as far as registering on here before. About time though


Better late than never. We need more people in here who know what they're talking about; I'm tired of bluffing day after day....



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Honesty is the best policy.
Insanity is the best defence.
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exerk
PostPosted: Thu May 09, 2013 12:26 pm    Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

Vitor wrote:
...I'm tired of bluffing day after day...

You can't say that, you're my hero! When I grow up I want to be just like you
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.
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