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Comment by PaoloBarbolini

1 year ago

It means they protect themselves from layer 3 and 4 DDoS. For layer 7 you're mostly on your own. That's what most companies mean when they talk about DDoS anyway.

Right and as a CDN they HAVE to handle layer 3 & 4 DDoS themselves so it's not like they're doing you any favours. The traffic is typically routed to the customer based on SNI.

I found https://www.netlify.com/blog/2017/03/28/why-you-dont-need-cl... and it sounds like you're right.

“The cool thing is that we also provide a load balancer, and if our system has detected that our main load balancer is currently being hit by a large DDoS attack and is slow or unresponsive, we’ll simply route around that on the DNS level. Since we cache content at our edge nodes around the world, end users also experience extremely fast page load times because of this.”