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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).葫芦回到前院东厢自己房内，却见娘刘氏和妹妹紫茄正在帮他铺床。林秋雯结婚前夕意外收养了孤儿墩子。未婚夫史云生因此与她分手。青工王天柱对林秋雯满心爱意却羞于表白，他抱不平打伤了史云生获罪入狱。厂办主任董援朝为人正直，大胆追求林秋雯，两人终于结合。弃儿石头患有智障无人认养，林秋雯于心不忍再次收养一个孩子。林秋雯怀孕待产，不料为寻找失踪的墩子，不幸流产导致终生不孕。林秋雯愧对董援朝，执意离婚。花丫头成了孤儿，林秋雯带着三个非亲非故的孩子，经历着生存的重压，磨难困顿接踵而来。岁月荏苒，林秋雯从一个风华正茂的女孩逐渐变成饱经沧桑的母亲，她用温暖深沉的母爱，用执着的责任心，用一个女人独有的坚韧和担当，为全家人撑起一片幸福的天空。人到中年的林秋雯也终于迎来了属于她的花样年华次日，仙亭之中，嘉靖颤颤放下了文书，上一次让他如此动怒、惊恐的文书，还是刚继位的时候。刚出生时被抱错的高中生海野凪终于要和亲生父母见面了。Don't sink, don't sink, the little cute with the wrong number of buildings can dd me for a moment, and I'll see if they have been swallowed.　　“诺亚方舟”演唱会共以五大主题串联，从“末日：2012不是预言”、“留恋：时光静止的那一年”、“笑忘：如果还有明天”、“第一天：追寻第二人生”到“未来：美丽乌托邦”，其中呈现了逼真末日景象，包括仿佛沉睡海底等待启航的深海逃生舱，加上不断出现火山爆发、陨石撞击和龙卷风来袭的末日异象。这一切都旨在把大家对于末日的恐惧在一瞬间全部逼迫出来，同时五月天更要带领观众抛开恐惧和悲伤。