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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.李文喜带领着一群农民工，在沈阳一家建筑工地干活，3个月没有给工人发工资，然而李文喜根本不管不顾工人的感受，在外吃喝玩乐。李文喜的朋友张宝俊是一个无业者，到处花言巧语欺骗女人钱物。张宝俊以帮助弟弟学习为借口，以介绍女孩子为好处，骗取李文喜钱财，然而李文喜花了很多钱也没得到张宝俊介绍的女孩。终于有一天李文喜被工人堵在按摩店，张宝俊被两位女友揭穿，二人同时落魄，此时张宝乐在学校也经历了一场诡异事件。张宝俊希望在李文喜请弟弟吃饭的时候再次骗钱，而李文喜则希望从张宝俊身上要回点钱，于是三人在饭店见面。饭桌上李文喜发现彼此都是穷光蛋，在极其懊恼的情况下突发奇想，三人约定挖宝致富，然而三人并不知道到，他们的计划其实在冥冥之中早已安排好了。The server's valid reply to the PING command can be one of the following three replies:也是四五十人，只打县城，府城，不抢钱财。　　冷江城内，军警、特务几方势力交错，更有国民党军统高参步步算计陷阱重重。白崇禧的军阀部队悄然入进，却是另有图谋。冷江城外，果子岭日本“731”遗留部多摩部队再现，惊天大秘慢慢揭开，恶名远扬的细菌实验室，极具传染性的恐怖病毒浮出水面。　　陈重和赵悦结婚七年了，赵悦依然不倦地从生活的各个细节求证婚姻的安全程度，她需要的是细致的关心和绝对的忠贞。但陈重渴望的仍是火一样的爱情，就好像他大学毕业时为了赵悦从北京一路追到成都，放弃了父母和前途。　本剧将刻画伊丽莎白一世的早年人生，聚焦年轻的孤女伊丽莎白都铎，在走向王位的过程中，卷入了英国宫廷权力和性别政治的斗争中。