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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.这时，英王才唤了郑昊等人过来，对着满脸黑灰的秦淼，很艰难地叫了声姑姑，行了家礼。Adhesion conditionHis mother now does not allow Zhao Mucheng to travel far away and has to go home on time at night. He promised his mother that he would never leave his hometown again.说的随是齐楚，但章邯不由想起了秦国，如今的咸阳赵高一人独大，指鹿为马，祸乱朝政已经到了无以复加的地步。For example, claiming to have seen a deceased relative-in our country's folk, it is often considered that the deceased relative calls himself, also known as "the living ghost". Even nagging at the unreal "people" for half a day.