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The 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.1为了适应秋名的路况，高桥将爱车FC3S的马力从340调到260，以取得性能上的平衡。宿命之战正式开锣，传奇对决拉开帷幕……呜呜，老子受伤了……魏铜含泪道：你鬼叫什么？跟个娘们似的。The template method pattern consists of two parts, The first part is the abstract parent class, The second part is the subclass of concrete implementation. Generally, the abstract parent class encapsulates the algorithm framework of the subclass, including implementing some common methods and encapsulating the execution sequence of all methods in the subclass. The subclass can inherit the parent class and rewrite the methods of the parent class in the subclass, thus realizing its own business logic.Online work classes: financing is frequent and the curriculum system has not been completed.　　林秀晶饰演裴多美一角，她是在门户网站工作的30代后半段的上班族，非常好胜，为了成功失去了很多东西，渐渐对自己的人生产生了怀疑。