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　　Pt-218: 第二次世界大战的反叛者，不仅讲述了一个真实的故事，而且告诉了我们1942年发生的事情的细节。在二战的鼎盛时期，大西洋变成了一个致命的战场，美国潜艇与德国军队不断的轰炸作战。There is an important link above: mentor. It used to be like finding a teacher, which probably required thousands of miles to visit. However, in the era of mobile Internet, there is still the need to pay for knowledge. Many people with famous strength have begun to engage in slash occupation-teachers.France: 40,000六千年前，魔神皇枫秀与七十二根魔神柱从天而降，所有生物沾染魔神柱散发的气息，立刻会变异成魔族生物，人类随之进入黑暗年代。随后，人类强者自行组织六大圣殿，阻挡魔族前进的脚步，逐渐形成人魔共存的局面。ACK reflection attack is a common reflection attack technique, Using TCP three-way handshake, When the source IP address of SYN is disguised as Target's IP and the transmitter try to establish TCP connection, the reflector's response will be directly forwarded to Target. In the process of attack, a large number of ACK responses responded by the reflector will be sent to Target by controlling a large number of controlled hosts to perform the clock operation, thus occupying Target's network bandwidth resources and causing denial of service.