[CentOS] DoS Attack
Alexandru E. Ungur
alexandru at globalterrasoft.ro
Wed Oct 12 21:11:23 UTC 2005
>>> sender: "John Hinton" date: "Wed, Oct 12, 2005 at 04:51:48PM -0400" <<<EOQ
> Yesterday, I had a DoS attack on a php/mysql webpage which uses a lot of
> resources. I have learned today, as a for instance, in the last hour,
> about 3000 requests for that page were made by 610 different servers,
> mostly from 'odd' places... China, Russia, Poland, Turkey... the usual
> suspects from my experience.
> The bottom line is this... I hit server loads of 142 yesterday!!! And
> the server never crashed! Yeah, it might as well have been dead, but it
> wasn't. Yes, some things shut down temporarily... but the machine never
> went down. This is a remote server, about an hour away.. It took about
> 20 minutes for my mysqld stop command to execute, but with time it did
> respond! I'm extremely impressed by this and just wanted to pass this
> 'trivia' along. EL rocks!
It rocks even better... :) I've had it hit 200+ load and it went smoother
than others did on a load of 20... If was a webservers with *many* webpages
hit by spiders.
A good night to everyone (if it is night in your part of the world too :) ),
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