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Law of Demeter (LoD) is also called Least Knowledge Principle (LKP), which means that an object should know as little as possible about other objects. In other words, a module or object should interact with other entities as little as possible, making the system functional modules relatively independent, so that when a module is modified, the fewer modules will be affected and the easier it will be to expand.(未完待续……) show_style();。Boss, can we skip the calculation and look at the results directly?ColorDodgeThe first packet discarding scheme will have a slight impact on the user experience, because discarding the first packet retransmission will increase the response time of the service. In view of this, a better TCP Proxy scheme has been developed. All SYN data messages are accepted by the cleaning equipment and processed according to the SYN Cookie scheme. The IP address that successfully established the TCP three-way handshake with the device is determined to be a legitimate user to join the white list. The device disguises the real client IP address, completes the three-way handshake with the real server, and then forwards the data. However, if there is no IP address that shakes hands with the device three times within the specified time, it is determined that the malicious IP address is blocked for a certain period of time. In addition to SYN Cookie combined with TCP Proxy, the cleaning equipment also has the ability to detect a variety of abnormal TCP flag bit packets, and identifies normal access and malicious behavior by returning unexpected responses to SYN messages to test client responses.民国初年，北洋政府新任命的教育部官员夏希尊，在上任途中一双儿女流落民间，姐弟俩在养父母的培育下坷坷绊绊长大成人。《惹上冷殿下》是由企鹅影视、莱可传媒联合出品，是由郭俊辰、孙艺宁等人领衔主演。《惹上冷殿下》的剧情主要讲述的是冷面歌星司徒枫本是一个高冷之人，对任何事情都很冷淡，但没想到在学校和鬼马精灵的陈青青成为同桌，两个本身没有交集的人，成为同桌后发生了一系列搞笑得事情，逐渐两人都对对方产生了感情，最终两人走在一起。