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Home » Hacking News » German tech site under DDoS attack

German tech site under DDoS attack

by Nikola Strahija on February 7th, 2005 Heise.de has been attacked by a persistent denial of service attack. The origin of the attack is unknown so far, and Heise's publishing house is offering a 10,000 reward for information leading to the arrest of the attacker.


The assault began on Monday last week, and Heise reports that it has come in four waves. At its worst, it disabled the site for five hours. Heise's publishing house runs 25 web servers and one solaris machine, more than enough to handle an unexpected influx of visitors to the site.

As Heise's technical staff worked to deal with the influx of rubbish, the attacker changed his approach, probably by bringing more machines from different locations. This would make it harder for Heise to filter out the noise, and put the site under renewed pressure.

So far, the technicians have ruled out an attack via HTTP requests, and say there is no truth in rumours that the Sober.K worm is responsible for its troubles.

The attacks have dropped off for the time being, and Heise is taking steps to protect itself against any new DDoS attempts.


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