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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).8. Don't believe in performance, which only represents the past, not the future. Stock speculation is in the future, not in the past.老友米克和弗雷德结伴前往阿尔卑斯的度假旅馆，他们以爱和幽默的视角，探讨子女们满是麻烦的生活。米克是导演，正在积极创作自己看来最重要的一部电影，而早就没有了事业追求的指挥家、作曲家弗雷德却收到女王伊丽莎白二世的邀请为菲利普的生日演奏。His short adventure for their help: Lanlan (plant-dyeing team head at our shop), Lekui (text and photograph) and Solav (translation and revision)However, when the industry was fighting "fast", it also encountered embarrassing situations. For example, one year when the Oscar awarded the best picture award, the guests mispronounced it, and the colleagues sent it out in the first place....IT企業が経営するメディノックス医療センターでは、医学者の鈴木哲郎（向井理）が開発したAIによる患者の診断が行なわれていた。人間の医師が行なうよりも短時間で正確に、しかも無料で行なうAI診断は世間で評判を呼ぶ。AI診断を導入したIT企業代表の蒲生俊平（渡部篤郎）は、海外に後れを取らないためにも医療のAI化を進めていくべきだと主張。しかし、医師会会長の有薗直子（黒木瞳）は「時期尚早」と難色を示し、さらに優秀な外科医の上野智津夫（原田泰造）もＡＩに診断された患者の手術に当たることを不快に思っていた。そんな中、AI診断に基づいて上野が手術した患者が、術後に容体が急変して亡くなってしまう。上野はAIが余計な診断をしたせいだと言い放ち、鈴木は上野の判断が間違っていたせいだと反論する。一方、記者の太刀川春夫（山本耕史）は、AIで診断した患者が死亡したという情報をつかみ、独自の調査を始めていた。CW已续订《地球百子》第三季。