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MQSeries.net Forum Index » General IBM MQ Support » AMQCLCHL.TAB

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bruce2359
PostPosted: Wed Nov 24, 2010 8:33 am    Post subject: Reply with quote

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Joined: 05 Jan 2008
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Location: US: west coast, almost. Otherwise, enroute.

Quote:
May give them the port, but not channel name etc.

CHAD turned on?
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zpat
PostPosted: Wed Nov 24, 2010 8:34 am    Post subject: Reply with quote

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Joined: 19 May 2001
Posts: 5867
Location: UK

As Jeff says, obscurity is not security.

Most insecure queue managers have standard or guessable channel names, and don't even log access attempts.

BlockIP2 is very useful to log as well as provide ways to avoid having many different svrconn channels (it does far more than simply check IPs).
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exerk
PostPosted: Wed Nov 24, 2010 8:35 am    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

bruce2359 wrote:
Quote:
May give them the port, but not channel name etc.

CHAD turned on?


You have got to be kidding!
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bruce2359
PostPosted: Wed Nov 24, 2010 8:56 am    Post subject: Reply with quote

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Posts: 9475
Location: US: west coast, almost. Otherwise, enroute.

exerk wrote:
bruce2359 wrote:
Quote:
May give them the port, but not channel name etc.

CHAD turned on?


You have got to be kidding!

Nope. I've seen CHAD(ENABLED) on qmgrs at several client sites.
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shashivarungupta
PostPosted: Wed Nov 24, 2010 1:50 pm    Post subject: Reply with quote

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Joined: 24 Feb 2009
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exerk wrote:
zpat wrote:
I don't understand the fuss here, just keep the definitions in source form and use MO72 as a "compiler".


As I've noticed in the past with shashivarungupta, if there's a difficult way of doing things, he/she will do it


Good ! I don't run away from the difficult projects !

exerk wrote:
..he/she will do it

He !!
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shashivarungupta
PostPosted: Wed Nov 24, 2010 2:02 pm    Post subject: Reply with quote

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Location: Floating in space on a round rock.

Quote:
MQ security starts at the network. Block every machine that is not known to be allowed to connect to the queue manager at the network level.

Then put SSL and MCAUSERS on *every* channel into the qmgr.

Then *tightly* control your certificates, and change and expire them routinely.


Even check the IPs from where the connection requests are coming in, reject connection if they are trying to breach !

Quote:
I repeat - a CCDT is not a security control.


Yes. Still in the binary tab file you can see the IP(port) and ChannelName.


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exerk
PostPosted: Wed Nov 24, 2010 11:54 pm    Post subject: Reply with quote

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shashivarungupta wrote:
...Good ! I don't run away from the difficult projects ! ...


There is a world of difference between a difficult project, and making a project difficult...
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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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zpat
PostPosted: Thu Nov 25, 2010 1:28 am    Post subject: Reply with quote

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Joined: 19 May 2001
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Location: UK

MQ security has to be done inside the QM.

The IP address and port will never be 100% secret and you also can't remove knowledge of them once known.

But you can revoke SSL certiticates. Using SSL with BlockIp2 to gain additional flexibility in setting the MCAUSER dynamically (e.g from a value in the certificate) is the most secure and adaptable approach I know.

Of course there are products out there to do this stuff as well, and you can get by with plain MQ if you don't mind a lot of svrconn channel defs.
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shashivarungupta
PostPosted: Thu Nov 25, 2010 6:49 am    Post subject: Reply with quote

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Posts: 1343
Location: Floating in space on a round rock.

exerk wrote:
shashivarungupta wrote:
...Good ! I don't run away from the difficult projects ! ...


There is a world of difference between a difficult project, and making a project difficult...


And there is a world of difference between thinking right way and thinking wrong way about any thing...
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