Sử dụng Firewall Rules của Cloudflare để chặn DDoS
1. Cho Phép Bot có lợi (cf.client.bot) 2. Chặn BOT xấu truy cập (cf.threat_score gt 15) or (http.user_agent contains "AhrefsBot/") or (http.user_agent contains "BaiDuSpider") or (http.user_agent contains "baidu.com") or (http.user_agent contains "/bin/bash") or (http.user_agent contains "crawler.feedback@gmail.com") or (http.user_agent contains "DnyzBot/") or (http.user_agent contains "DotBot/") or (http.user_agent contains "eval(") or (http.user_agent contains "Go-http-client/") or (http.user_agent contains "Nikto") or (http.user_agent contains "Nimbostratus") or (http.user_agent contains "python-requests") or (http.user_agent contains "Scrapy/") or (http.user_agent contains "SeznamBot/") or (http.user_agent contains "Sogou web spider/") or (http.user_agent contains "spbot/") or (http.user_agent contains "Uptimebot/...