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Global Homes Webmaster said:
Re: New QDNS Problem (more)
From: Mia''s Virtual Post Office
Date: Monday, January 8, 2001
Time: 11:14:03 am
>
>So, potentially, one could deliberately crash QDNS simply by repeatedly
>requesting zone transfers from an address that's not in the 'allowed' list?
>That doesn't sound like a good thing. Is this just with 2.2.x, or does it
>happen w/ 3.0 as well?
If this is the case, then that explains what our big DNS problem was
(check the archives). We had only allowed our up scales and our ns
servers to do transfers before the crashing problems.. We had noticed
that PSI (who bought one of our up scales) was doing transfers, and was
being denied.. The whole crashing problem was occurring during their
repeated transfers.. We finally just IP blocked PSI's name servers at our
router. Of course we did a lot of reworking/reinstalling during this
problem, as we were not sure what the problem was. Our primary has now
been running since Dew 23, 2000 without a hitch.. I do not know if this
was the problem, again, as we did a lot of changes and overhauls to get
this box stable again. Who knows?
BTW, when we reinstalled everything we did not set up the allowed list
for transfers this time. We are still IP blocking PSI's name servers
however.
jer
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