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October 28, 2008

DOS Attack Brought Down WordPress.com Blogs

A Denial of Service attack brought down some WordPress.com blogs yesterday, including VIP hosted hotshots like the GigaOM network. The only obvious communication that I could find about this matter was a tweet linking to a blog post about DOS attacks in general, and the actual one in particular, also written by a WordPress.com team representative. Barry wraps up:

We keep hourly traffic metrics and based on those numbers, it looks like during the attack there was about a 5% decrease in overall pageviews during the 40 minutes before traffic was re-routed. All things considered, not a bad outcome for an attack this size. Looking at bandwidth graphs, this attack was in the 500Mbit – 750Mbit/sec range.

That might very well be true, and I can’t say that Automattic didn’t do a good job managing the attack. I do think that the communication with users were poor. For a company into blogging, and a service hosting blogs, I’m surprised to see that the DOS attack isn’t even mentioned on the official blog. I hope Automattic learns to communicate better in the future, because this is just not good enough.

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