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杨参议是如何做到的？唉。CloudFlare is a free CDN service and offers a firewall, highly recommended. I would also like to thank @ livid, the webmaster of v2ex.com, for his enthusiastic help. I am using their CDN products now.Defense method: The defense against CC attacks needs to be combined with the characteristics of the specific business, A series of defense models are established for specific services, such as connection feature model, client behavior model, service access feature model, etc. Receiving client statistics of customer information and carrying out a series of processing according to model features, including blacklisting, limiting access rate, randomly discarding requests, etc.In the growing period of users, there can be measures to increase the frequency of activity, such as from once every 3 days to every day; Users in recession need to be recalled, such as telling him that he has red envelopes waiting for him to receive, or that I still have some gold coins left over and can exchange them for gifts.剧照How is the click event represented by code?眼里断容不下一粒沙子。