QDNS and Crashing.. UPDATE

Re: QDNS and Crashing.. UPDATE

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I'm in!

3.01 pri & sec running on 7500's & OS 8.6

Let me know what you need

>We are on to something here.. Details will follow in the coming days.
>Many, many experiments. We have several sniffers, logging tools, and a
>number of interesting systems in place (cannot say more)...
>
>Anyway, as to our particular crashing problem (and I know we are not
>alone), we may have found the root of the problem, and it is NOT Open
>Transport, or any other app for that matter. Of this we are 95% certain
>at this time. We have been slowly collecting a lot of data, and
>conducting several experiments and believe we have just about found out
>how to reproduce our crashes.
>
>I am interested to know if there are any QDNS users out there that would
>be willing to share in this experiment?
>
>Here are the requirements:
>
>1. You have a QDNS 3.01-3.5 server running
>2. You let us crash it. (seriously).
>3. Must be running on Mac OS (not OSX, though we may consider this as
>well in the future).
>
>Of course this can be done in a controlled environment, at a safe time
>when DNS services are not critical, and of course, you should have more
>than one DNS server. Also, I really do not care how heavily loaded it
>is. It could be 1000 + domains, or one domain.. You could even use a
>test server so as not to disturb your production servers. In any event,
>we have found out what causes the crash, and how to do it. THIS IS NOT A
>DOS ATTACK!!!
>
>Any takers?
>
>Once we are done with our little experiment, we will be happy to tell M&M
>how we found out what the problem was, and how we can easily crash a QDNS
>server. When I say crash, here is what will happen... Your server will
>stop answering pings (barely that is..) the ping times will go up to
>about 20000MS and higher, if a reply comes back at all.. Also, your box
>will still be running. That is correct. Even though it looks dead, the
>box will be running, the mouse will move, other apps will run, you will
>be able to TB2 to the box, you can even open up a admin session with your
>QDNS server. But QDNS will just hang. It will stop answering queries,
>ie., just flat out cease to function. And in some cases, yep, the box
>will just blow up. No damage will be caused of course, and no data will
>be corrupted, but a reboot will be in order in some cases.
>
>I know this sounds strange, but we have been working on this for months.
>(no I have not been drinking, yet..)
>
>Thoughts?
>
>jer (jer@mia.net)
>
>Bella Mia, Inc.
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>
>
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