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Posted by Todd H. on February 1, 2006, 11:58 am
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> I have broadband cable internet and have been having intermittent
> problems getting around online lately. Usually the first thing I do
> when I get online is check my online email. That often doesn't
> connect and I get a 'time out' or 'server not found' message and then
> when I hit the 'try again' button, get there.
>
> This morning I called my ISP and they checked a few things at their
> end and found that I had 20% packet loss. They are sending out a
> service man.
I had horrible packet loss problems despite good signal power levels
and acceptable SNR. After months of having many technicians out they
finally replaced the g-damn modem and all was well.
> I'm wondering if anything nefarious could be behind this. Around New
> Years my AV software picked up some malware, JAVABYTEVER.A. It was
> supposed to have been removed but a few weeks later I did an online
> scan (after discovering that my AV software wasn't updating) and found
> some some more, TRAK.SE.77236, TROJ_SE.69649, and HTTP COOKIES. I
> removed those and have scanned my system a number of times since, both
> on and offline. My AV software updates normally.
>
> Could anything here have to do with my packet loss on my internet
> signal? Anything I should mention to the technician to look for?
Extremely unlikely that malware would cause packet loss unless the
malware is tying up your network connection so heavily that your
nic/tcp/ip stack isn't keeping up.
Do you hve a broadband router or anything that might have a diagnostic
web page where you can do ping tests from it, and remove you actual
computer from the equation? Do you have another computer on your
home network to test with? Consider booting a linux live cd to test
with, and eliminate the malware that might be on your windows
partitions from the equation?
--
Todd H.
http://www.toddh.net/
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