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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.The configuration of this game requirement is very low, and basically the home computer can be competent.不过，心里大概选准了人家，过一二年，就要定下了。但是陈启想说，这都是在扯哪一门的蛋？看武侠小说，不就是为了进入那个肆意率性、热血侠义的武侠世界，谁是来看女主角被人玷污的？金庸写这一段剧情，自然有金庸自己的考虑。SoftLight虽然自己也救过他，那也是他先给了他们成长的机会。