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The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service.与阿尔贝多、德米乌尔戈斯等优秀的NPC们不眠不休地工作的安第德魔导国现在成了一个安全无饥的地方。我们生存的三维世界，是来自四维世界的投影。四维世界，由时间家族和超密家族构成。两大家族世代厮杀，而两族后人时间女王和超密王子雨霁的相爱遭到两族成员的激烈反对。两族战争以超密之神被马汀刺死结束。马汀篡位阴谋败露逃亡三维世界，时间女王也因不肯放弃与雨霁的关系而被流放至三维世界。马汀在三维世界制造半人㹴意图夺取宇宙统治权，来到三维世界寻找爱人的雨霁联手他的投影才子罗佳明，为保护时间女王与马汀展开全力对抗。唐王沉迷五行星象之术，册封道人天机子为国师，天机子却在进京途中遇刺身亡。这一案件牵出了当朝相国和江湖组织“天网宗”两大势力和一场篡位夺权的巨大阴谋。靳胜男、罗重楼等英雄侠士将如何力挽狂澜惩奸除恶？田遥脸上忽然现出古怪笑容。昭和63年正值泡沫经济时期。谁都会说“我，我！”出现在前面的时代针线活也学得不差吧？小葱忙收回视线，微笑回道：那是锦鲤帮我吹了。