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My highly optimized Nginx web servers, behind a load balancer, can't handle tens of millions of connections. If it got anywhere near that point, Nagios would be alerting of load, HTTPS being unresponsive, RAM filled, swapping to disk, no pong reply due to a saturated network, and a whole load of other issues. My HA Nginx setup will die long before you reach tens of thousands of simultaneous connections, let alone tens of millions. I'm guessing I'm not the only one.

Practical attack against my server? Nope. You'll kill it before you get anywhere.




Those connections needn't be concurrent.


And if not concurrent connections, it's not feasible given time constraints.


Could you be more specific? I don't know what you're trying to say here.




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