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If kiwifarms ddosed everyone that they didn't like... plus, if anything KF has been surprisingly resilient to massive DDoS without any 3rd party protection service since they lost CloudFlare and other providers. So for this one specific thing, I think lessons can be learnt from kf on how to mitigate DDoS without 3rd party providers.



They developed their own proof-of-work system to rate limit requests, using SHA256, implementation details here: https://archive.is/dfBVN

They also have servers in multiple countries. Some of these servers being blackholed by Cogent, by the way.




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