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Lawyer Yi talked about a case he had done:该剧讲述了发生在抗日战争最为激烈的1941年，一群最为“草根”的普通民众的抗日传奇。在如此激烈 的大战进程中，它没有简单的描述战争的转折，而是关注战争中普通的人、普通的知识分子，他们的命运和情感选择以及在战争高压下的生存抗争。剧中人物皆为小知识分子、小贩及各类穷苦大众却演绎出一场惊心动魄的抗日英雄故事。第四季依然由Reece Shearsmith和Steve Pemberton两位怪才主演，依然是6集。过了数日，又到私塾休息的日子，葫芦等人先跟长辈们禀过了，又邀请了李敬文泥鳅等人，一块去山里演习玩乐。电影讲述了张静依（赵丽颖饰）、陈伊诺（吴映洁饰）、梁小艺（班嘉佳饰）三个性格各异的女孩携手走过人生中最美好的十年，朝着各自的人生目标懵懂成长的故事。笑泪交织，引人入境。张大栓赔笑道：我去瞧热闹，不下水，就在塘埂上看着。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).