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　　Both these attacks and SYN flooding target the victim's TCP application and can interrupt the victim's service at much less cost than brute force flooding packet methods. However, SYN flooding is very different from other TCP spoofing attacks. SYN flooding attacks the services of the new connection without affecting the established connection, while other spoofing attacks break the established connection and cannot block the new connection from the beginning. SYN attacks can be stopped only by modifying the initial handshake program, while other spoofing attacks require checking every piece of data throughout the connection life cycle. What SYN flooding and other TCP spoofing attacks have in common is that they all depend on the attacker's ability to send IP packets that disguise the source address, while the same way to defend them is to deploy more address filtering or use IP Security Protocol (IPsec).甄珠从小与奶奶相依为命，一直梦想成为服装设计师。一个偶然的机会，甄珠认识了职场精英何至伟，并与之相恋，但受到何家的强烈反对，何至伟离家出走和甄珠登记结婚并开始蜜月旅行。旅行途中，甄珠感受到了前所未有的浪漫爱情，但一场车祸夺去了至伟的生命，留下甄珠和她腹中的孩子。何家人悲痛欲绝，婆婆将儿子去世的责任完全归咎到甄珠头上，对甄珠态度蛮横，但甄珠为了留住何至伟的骨肉以见证二人的真爱，毅然决定住在何家，把孩子生下来，做何家的儿媳妇侍奉至伟双亲。半响。三十年代日本控制下的哈尔滨，赵一曼被日本人抓获送到医院治疗，护士小韩和董警官帮助赵一曼逃走。警方调查外科主任刘栋梁，娜拉利用特殊关系使他免受牢狱之苦。原来，娜拉是警察局长苏春来的女儿。刘栋梁与娜拉结下百年之好，他很快地融入了上流社会。赵一曼再次被俘，受到非人的待遇，董警官牺牲，小韩受到摧残，这件事令刘栋梁受到非常大的震撼。他找到地下组织，要求加入，刘栋梁成为警察局长家的“内鬼”，代号“雪狼”，只有高层领导知道他的身份。在日本人的大搜捕行动和刺杀七三一部队细菌专家，营救抗日领导人等重大行动中，雪狼起了重要作用，关键时刻挽救了地下组织。地下党暗杀汉奸苏春来的任务落在了刘栋梁身上。面对妻子，刘栋梁忍受内心的煎熬。日本战败，刘栋梁利用自己的特殊身份，与日方谈判，制止了日本最后的疯狂屠杀，娜拉发现了丈夫参与刺杀的证据，疯狂的想要报复，不惜与阴险的中村合作，最后，民族大义战胜了个人恩怨，娜拉在最后关头悬崖勒马，选择了离开。The latest work "The Secret Life of Plants" by French biology researcher and best-selling writer of natural science popularization, Fleur Dougai, introduces us to the secrets and scheming of various plants. Fleur Dougai popularized the strange way of plant reproduction and survival in the book, overturned our understanding of plants and gave us a biology lesson again.