Field Guide to Surviving DDoS Attacks in your application

One of our customer-facing websites got attacked with a huge DDoS attack recently, to the magnitude of 80M-100M requests per hour. For context, our website usually just receives 30,000 requests per minute. That's a 3000x increase in traffic. Luckily, we were able to respond promptly and we stopped the DDoS attack within 3 days. But those 3 days were the most stressful times of my year (so far).

I created this field guide for developers so I can save all …

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