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: 2017 Internet Weekly(2) with a registered capital of more than 4 million yuan and a construction area of more than 200 square meters;没有了骑兵，这个在冷兵器时代的最强悍的武器，在少数民族面前就显得不堪一击。　　安小雪和马腾腾是一对80后小夫妻，两人从恋爱到领证，甚至是装修新房都自主决定，没有告诉家里人，这让身为婆婆的林默涵大为光火。林默涵是某大型超市的骨干，而且是小雪的上司，做起事来雷厉风行，说一不二。于是她为了避免闲话，辞退了小雪，并按照自己的意思改变了婚礼现场的布置，甚至找装修队重新装修了新房。小雪和林默涵的关系一路跌至谷底，而公清风徐来，天地间又是一片活泼灵动。贵州黔军年轻军官张明堂，是铜仁大商家的公子，他奉命从剿共前线返回家乡，督导追剿正在突围的红军黔东独立师，并开始扩军整编当地驻军，由于他对红军伤员的同情，加之自己恋人黄菲儿的推动，他冒险为红军伤员的撤离提供了便利，但却被知道消息的孙家公子孙如柏告了密，致使红军伤员的撤离彻底失败，张明堂家因此被商业对手孙家所利用而惨遭变故，他自己因通共的罪名被通缉，红军也误把他视为告密的仇家。两难中的张明堂被欣赏自己的桃花寨寨主收留，他决意下山为家复仇，他杀死了陷害他的仇家孙耀祖和驻军头目朱汉春，自己却不幸身陷囹寤，桃花出手相救，并把张明堂留在了桃花寨。张明堂帮助桃花整顿山寨，训练寨兵，并在与当地巨匪麻三刀争斗中逐渐占了上风，遏制了麻三刀的势力。张明堂的恋人黄菲儿，在种种无奈的情势所迫之下，嫁给了张家对手孙家的公子孙如柏。但她心中却忘不掉张明堂，这使孙如柏更对杀父仇人张明堂恨之入骨。孙如柏曾是一事无成的少爷，在情感与家仇的推动下，自己决意从军，并当上了当地驻军的营长。由此与张明堂展开了多年恩怨情仇的较量。当年红军撤离虽然失败了，但红色种子并没有灭亡，在红军指导员夏雪的带领下，恢复了党的组织，重新聚集革命力量，在抗战全面爆发后，她们宣传抗日，组织民众支援前方，夏雪在最终了解当年告密者不是张明堂的真相后，努力引导张明堂信仰的进步，并把党的血液注入到桃花寨中，使这支自发的山寨武装，逐渐变成了一股进步的力量。张明堂也与桃花在共同成长的过程中，产生了感情，成为夫妻。孙如柏在军旅生涯中，常常被当作杂牌军而遭排挤，加上当地土匪和商家的利益勾结，使他难有作为。黄菲儿在抗战中的积极表现和勇敢行动，使他深有感触，逐渐悟到了人生的方向不能仅仅是个人恩怨和情仇。黄菲儿在组织运送抗战物资时，惨遭日本特务和土匪麻三刀的毒手。自己妻子牺牲的义举，令孙如柏他警醒。他全力剿灭了投靠日本人的土匪麻三刀，保证了抗日物资运送道路的安全，并在夏雪的帮助下和劝导下，在关乎民族存亡的大义前，孙如柏与张明堂摒弃前嫌，走到一起。保卫大西南的关键战役----雪峰山战役进入了最紧要的关头，张明堂与孙如柏携手带领家乡子弟义无返顾地走上战场，参与到雪峰山战役之中，他们在惨烈的战斗和忘死的拼搏中坚守着阵地，就在增援部队赶到时，他们弹尽粮绝，二人携手面向家乡跳下山崖，为雪峰山战役的胜利献出了生命，同时唱响青年信仰进步和忘我为国的英雄赞歌。DDOS attacks mainly occur in the network layer. Its most obvious characteristic is to send a large number of attack packets, consume network bandwidth resources and affect normal users' access. At present, the detection and defense technology for DDOS attacks in the network layer is quite mature, and at the same time, some new attack methods-DDOS attacks in the application layer have emerged. Different from network layer DDOS attacks, application layer DDOS attacks mostly imitate the access behavior of legitimate users and will not generate a large number of attack data packets during data transmission, but they will consume server resources through a large number of database queries and other operations, which is more difficult to detect. According to the different attack modes, DDOS attacks include reflection amplification attacks in addition to ordinary flooding attacks. This type of attack often uses a legitimate server as a reflector, which sends a large number of data packets to the target, thus causing greater harm. At present, DDOS attacks against DNS servers are also common. Attackers often send fake domain names to DNS servers, consuming DNS server resources. At the same time, due to the recursive query mechanism in DNS servers, DDOS attacks against DNS servers have a large impact range.