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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.作为美国第16任总统，林肯曾经立下卓越功勋。本片主要根据普利策获奖得主、历史学家Doris Kearns Goodwin的著作《对手团队：政治天才林肯》（Team of Rivals: The Political Genius of Abraham Lincoln）改编而成，该书描写了林肯政治团队“四虎将”总检察长Edward Bates、国务卿William H. Seward、战争部长Edwin M. Stanton、财政部长Salmon P. Chase眼中的林肯，这些人都曾是林肯竞选总统时的竞争者，但后来被林肯强大的人格魅力所感召，成为他的得力干将。故事围绕着南北战争展开，在那段艰难的日子里，面对种种压力，林肯和他的团队运筹帷幄，最终打赢了这场战争，统一了美国。"Then you mean, in the subsequent battle with the" killer bee ", you still rely on the guns in your hands? If so, what effective means do you have to persist in fighting?" I asked.现在，《佛本是道》完整的设定、世界观都出来了，小说也走到结尾，三界众生都在为这次最大杀劫，做最后准备了。No rush. He was disqualified from the competition three times.3. Return to the main document and find that the text box style has been successfully set to "Fine Effect-Olive Color, Emphasize Color 3".