How to defend against DDoS attacks

   This article provides six areas of defense that can help prevent major impacts associated with DDoS attacks.

How to defend against DDoS attacks
http://www.computerworld.com/securitytopics/security/story/0,,94014,00.html

Distributed denial-of-service attacks can paralyze even the most well-structured networks for days, costing millions of dollars in lost sales, freezing online services and crippling a company's reputation.  The Internet can be a dangerous place, with DDoS attacks emerging as the weapon of choice for hackers, political activists and international cyberterrorists. In addition, with ever more powerful tools in a hacker's arsenal, DDoS attacks are getting easier to launch. New viruses and worms take hold every month, so companies need to be prepared to fend off this ever-expanding security threat.

KEY METHODS OF PROTECTION

1. Black-holing or sinkholing
2. Routers and firewalls
3. Intrusion-detection systems:
4. Configuring Servers more securely
5. DDoS mitigation appliances
6. Additional bandwidth capacity