April 9, 2009

When bots bring you down

We had a small problem yesterday when the server’s processor got maxed out. Turned out that one of the scripts on the server, a guestbook script, was getting hit over and over again by a bot. This was happening at a rate of around 4 hits per second, which was causing a massive drain on resources.

We resolved the problem by blocking the two IP addresses that the traffic was coming from, but it did raise the question of what to do if someone decided to launch a DDOS attack on the service. I guess it’s a matter of hiding in the RV and heading off to Mexico, huh?

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