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给多少要多少。女程序员陆漓（祝绪丹 饰）追求职业理想，努力投身编程领域，凭借过硬简历和惊人智慧搞定学长姜逸城（邢昭林 饰），成功进入姜逸城建立的创业公司，还帮姜逸城摆平无数难缠相亲。陆漓和姜逸城因程序代码结缘，又在机缘巧合下成为同居室友。可爱女程序员和傲娇自恋总裁在相处中斗智斗勇触发心动代码，上演了一场温馨甜蜜的爱情罗曼史。Comparison:In TCP implementation, when receiving the SYN request from the client, the server needs to reply the SYN + ACK packet to the client, and the client also needs to send the confirmation packet to the server. Usually, the initial serial number of the server is calculated by the server according to certain rules or adopts random numbers. However, in SYN cookies, the initial serial number of the server is obtained by hash operation and encryption of the client IP address, client port, server IP address, server port and other security values, which is called cookie. When the server suffers from SYN attack and makes the backlog queue full, the server does not reject the new SYN request, but replies the cookie (SYN serial number of the reply packet) to the client. If it receives the ACK packet from the client, the server subtracts 1 from the ACK serial number of the client to obtain the cookie comparison value, and performs a hash operation on the above elements to see if it is equal to the cookie. If equal, complete the three-way handshake directly (Note: At this time, you don't need to check whether this connection belongs to the backlog queue).Death Ping Attack is a typical example of a mode that exploits vulnerabilities in TCP/IP protocol.可是正道诸人围绕，想走谈何容易，一场轰轰烈烈的正魔大战再次展开。Test Scenario 1: Repeat to Jump Yourself (Set SingleInstance Yourself)