Named CPU skyrockets for ActiveX objects in IE 5.5 browser

Barry Margolin barmar at genuity.net
Wed May 8 17:14:31 UTC 2002


In article <abbidr$94ck$1 at isrv4.isc.org>, JB <usenet at joshuabranch.com> wrote:
>I noticed that when I visit the WSJ Online (online.WSJ.com), and I say yes
>to permitting ActiveX objects to run, named CPU goes up to and remains
>around 60%!  If I refresh the page, but then say no to permitting ActiveX
>objects to run on the page, then named CPU usages remains below 1%, usually
>at 0%!  The results are 100% consistent with whether or not I permit the
>ActiveX advertisements to run on the page.
>
>I found this to be true for any ActiveX object at the WSJ website.  Saying
>yes to an ActiveX object at AltaVista didn't do it.
>
>After installing Bind 9 I added one zone to it.  Yet, I did not point any
>DNS server entries for any registered domain to BIND's public IP, so the
>Internet should not even know it exists unless they scan my ports.  Indeed,
>I have done nothing but installed and run it.
>
>Does anyone know why this might be happening?  I am running W2K.

It seems more likely that it's responding to DNS queries coming directly
from the ActiveX controls, not from the remote site.  Are you using that
named process as your caching nameserver?

Try turning on query logging to see what it's doing when the CPU shoots up?

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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