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For the convenience of the experiment, we directly use the functions in libc.so.6 as the attack functions to be executed. This is a C program runtime in Linux, which holds a large number of available functions and contains system ("/bin/sh"). Therefore, we can use ROPgadget tool to obtain the code fragments that we can exploit, and use pwntool to exploit the vulnerabilities of vulnerable programs, thus achieving our attack purpose, that is, running system ("/bin/sh"). In order to facilitate the subsequent use of ROPgadget tool to find gadget and attack, it is necessary to copy the libc.so.6 file to the operation directory. First, use the "ldd" command to view the source directory, and then use the "cp" command to copy it to the operation directory.在浸透炮火硝烟和青春热血的岁月里，赵大旗找到了自己的奋斗方向和革命信仰，从一个桀骜不羁的铁掌铺少东家成长为一名铁骨铮铮的无产阶级革命战士，走上一条与一众热血青年和爱国义士并肩抗战的铿锵道路，并引出一段壮怀激烈、动人肺腑的人马情。徐文长十分确定，他是真的疯了。皇上让微臣如何相信，皇上会公断此事？永平帝听了一滞。　　 明朝开国皇帝朱元璋出身贫贱，从没进过一天学堂，但却擅长用人之道，精通治理贪污腐败，不但提高了妇女、商人地位，而且光大 了华夏优良传统，而这一切，大脚皇后马秀英却起了至关重要的作用。马皇后苦心狐诣、忍辱负重；涤瑕荡垢，钩身致远。随后，唐伯虎搭讪如花的那一段，更是能让人笑到麻木。A device with a firewall or proxy can buffer SYN flooding attacks in the network in two ways, one is to disguise SYN-ACK packets for the connection initiator, and the other is to disguise ACK packets for the server [5].