国产精品女同一区二区在线_国产精品女同一区二区在线

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.Finally, show the game room.那就招揽他们，也成为咱们的军民。另一方面，杨长帆本人也以特殊的形式介入科举办学之事，亲自著《物理学》、《机械原理》、《化工学》等数本基础理论书籍，并组织集合汇编《建筑》、《造船》、《制铳》、《冶铁》等数门匠术典籍，方便学习与教授，虽然在缜密程度上有所欠缺，但在苔湾，多门技术的冲撞之下，诸多学府学者努力之下，终于有了些科学的雏形。//An example of periodically modifying the state according to time:王尚书喝令，带陈离、张离上堂。2017-11-17 23:46:12