Spamhaus has been the target of a DDoS attack, which has been reported to be the largest ever recorded in the history of the Internet at 300Gbps. Very few data centers have the aggregate network/carrier capacity of 300Gbps. But a 300Gbps DDoS attack is sure to put a nail in the coffin for any provider. In fact, it’s such a massive attack that it caused congestion for all Internet traffic. We’ve published an article on a novel and affordable way to mitigate a small scale DDoS using readily available open source tools like Nginx and Varnish using VPS nodes or dedicated servers.
Be sure to read the article since it explains the where, why, what, and who of DDoS!