Run an Apache based site? Might want to read this

 Sites running on Apache web server (up to 65% of the web according to Sophos) are impacted by a denial-of-service vulnerability according a report. This can be a pretty big deal due to the fact that most of the web is ran on Apache Web servers. Make sure if you run an Apache Web Server that it is updated and has all the latest patches installed. You don't want to make sure sites vulnerable.