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Cache Corruption

From: Jerry Pasker
Date: Monday, August 13, 2001
Time: 10:57:35 am

I think I've finnaly figured out why QDNS Pro isn't as stable as my SIMS
box, MacRADIUS box, or WebSTAR box. My primary QDNS server's cache
corrupts. I'm assuming the corruption then leads to a crash.

To see what I'm talking about:

Using QDNS Expert, (set to "Any record")........

First, do a DNS lookup on 209.207.1.10 using your own DNS server(s).

Then, do the same lookup using my dns(208.245.212.3) server, and notice
that it gives incorrect data.
Using my seccondary DNS server (208.245.212.2) will give correct data.

My primary dns server (208.245.212.3) will crash within a few hours of
giving bad data. I've only been lucky enough to catch this just before the
machine crashed, on one other occasion. Of course, restarting it right
now would fix this, but I want someone else to verify that my dns server's
cache is corrupted.

-Jerry





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