Defending Against A DDoS Attack

"DDoS victims can "tarpit," or force the attacking bot to drastically scale back its payload, enlist the help of the botnet hunter community, or even get help to wrest control of the botnet. Joe Stewart, a researcher with SecureWorks' Counter Threat Unit, says these self-defense techniques are little known or used today by victims of DDoS attacks, but they offer an alternative to purchasing a commercial DDoS product or service and working with ISPs to try to stop an attack. "

[via dark reading]