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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.该剧目标鲜明的将视角锁定在都市时尚家庭中。一个外人眼中完美的时尚家庭背后，其实埋伏着许多的情感矛盾，父母间看似成熟的婚姻，实际面临着张国立在《手机》一片中表现的“审美疲劳”。这对每一对婚姻来说都是一道“坎儿”，能否顺利地迈过去，是对婚姻的巨大考验。当这种“审美疲劳”又遭遇到正值青春期儿女的懵懂的恋情时，充满矛盾的人物关系就在“家庭”这个小小的舞台上展开了拿下巴蜀，消灭卢绾是既定了两大战略目标。《我师傅是黄飞鸿》讲述的是黄飞鸿这个传奇人物的少年生活。他和牙擦苏、梁宽之间亦师亦友的关系，他和红颜知己间欲说还休的感情，他在面对国家、民族利益时的大义凛然，都将在这部戏中表现得淋漓尽致。自清雍正以来，乐家老店同仁堂被钦定为“御药供奉”，至乐家第八代已声名大震。病家闻名纷纷求药，而日本浪人小野勾结在乐家长大的曹化伦，蓄谋夺走密方药谱。甲午战争，清军赴朝鲜抗敌。乐宏达赶造出十万包“诸葛行军散”，赠送将士，却被药材商人借机抬价，欠下巨款。年关债主逼债，乐宏达借贷无门，愤而变卖祖宅。药材商人得知赠药原因，慨然放弃债权。老店又一次绝处逢生。老店在废墟上重张，乐宏达却因饱受摧残离别人世。弥留之际，正值他的儿子乐同仁满岁“抓阄”。在满桌的官帽、元宝、笔墨、绸缎之间，小同仁却抓起了《同仁堂药典》。5.2. 6 Requirements for splice board design