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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.Flying your plane龙且冲过来见到已经三伙人马混战在一起，根本搞不清楚是怎么回事。杨长帆跟他一碰，自行喝下。范成沉着脸，说道：麻痹的，主角都被内定了，还让人试什么镜？范哥，你试镜没有成功？这人说道。　　在中华人民共和国严厉打击刑事犯罪分子的震慑下，许多埋藏较深的沉案暴露出来。为增强破案力度，公安部成立了十几个特别案件侦破组，分赴大江南北、长城内外，专攻大案、要案和重案。　　外表平凡的张氏夫妇原来乃昔日戚镇魔界的招魂、夺魄，后改邪归正，欲修成正果，此事被三魔查悉，诱其破戒，奸计得逞后，张氏夫妇回复昔日本色，四处为害民间，钟馗两面受敌屡遇险境；毕竟邪不能胜正，钟终能消灭三魔及二妖，完成天降之大任，成为名垂青史的斩鬼天神。