Its denial-of-service daemon (dosd) spotted the attack early, it said, and mitigated the effects of the HTTP request deluge. Just last week it also targeted a different Cloudflare customer, a hosting provider, with an HTTP DDoS attack that peaked just below eight million RPS.'Ĭloudflare reckons the botnet used in the web tsunami was only 20,000 bots strong, spread out over 125 countries.

'This specific botnet, however, has been seen at least twice over the past few weeks. 'This 17.2 million RPS attack is the largest HTTP DDoS attack that Cloudflare has ever seen to date and almost three times the size of any other reported HTTP DDoS attack,' said Omer Yoachimik of Cloudflare's DDoS Protection Service. This continued into a sustained flood running at 17.2 million requests-per-second. The attackers were going after a financial biz on Cloudflare's CDN, and fired an opening salvo of 330 million requests within seconds from a botnet of compromised machines. Huge web flood revealedĬloudflare says it has absorbed the largest DDoS attack in its history – three times larger than anything it has seen before. The spokesperson added that Razer runs a bug bounty program here.

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