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Here are two ways to enter DFU mode:If a service needs to be public-oriented, it needs to provide a user access interface. These interfaces just give hackers the opportunity to take advantage of them. For example, the TCP/IP protocol handshake defect can be used to consume the link resources of the server, The stateless mechanism of UDP protocol can be used to forge a large number of UDP data packets to block communication channels... It can be said that the world of the Internet has not lacked attack points exploited by DDoS since its birth, from TCP/IP protocol mechanism to CC, DNS and NTP reflection attacks, and what's more, it uses various application vulnerabilities to launch more advanced and accurate attacks.2. "The Lord of the Magic Sect is on campus", please accept it in advance ~该剧为网络剧《后遗症》的续集，为恐怖剧。讲述自以为是童话里公主的少女和无意闯入的少女卷入深山神秘房屋的诡异事件，并尝试逃脱的故事Chapter II Supervision Institutions该电视剧选取了其中9篇故事进行改编拍摄，包括《官运亨通》、《妖女画皮》、《蝴蝶美女》、《阴差阳错》、《洗心革面》、《两个女鬼》、《双遇丽狐》、《抱打人间不平》、《一笑三百年》。