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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.本·阿弗莱克、奥斯卡·伊萨克、查理·汉纳姆、加内特·赫德兰、佩德罗·帕斯卡和亚德里亚·霍纳主演《三方国界》，J·C·尚多尔将用他在马克·鲍尔的基础上重写过的剧本执导。讲述五个朋友为扳倒一个大毒枭而再度联合起来，结果却导致一系列意想不到的后果。“三方国界”是指巴拉圭、阿根廷和巴西之间臭名昭著的边界地带，伊瓜苏河和巴拉那河在这里交汇，使这片区域难以监控，成为了有组织犯罪的庇护所。2095年10月31日。位于江西龙虎山境 内的天师府，自东汉中叶第一代天师张明创建道教以来，其后代代承袭其法号。天师世家久传不衰，张天师是人？是神？其中奥秘谁能解开……讲述一个年轻小伙在与一个银行家的美貌妻子偷情后，接踵而至的神秘死亡事件与巨额的人寿保险赔偿，令他陷入了无尽的麻烦当中...