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Collection CertificateWelded surfaceC. Mixed: Mixed doublesReflection attack is also called amplification attack. This kind of attack is mainly based on UDP protocol. Common attack types include NTP, DNS, etc. Generally, the traffic of request response is much larger than the traffic of request itself. Attackers can create large-scale traffic sources with small traffic bandwidth through the characteristic that traffic is enlarged, thus launching attacks on targets. Reflective attacks are not strictly a kind of attacks. They only use the business characteristics of certain services to launch Flood attacks at a lower cost. The detailed schematic diagram is as follows:在吕馨的凝视下，陈启有些无奈的说道：好了。瞌睡就有人送枕头：四月一日，被老将军发落到眉城的何风正好回来了。悍匪龙志强，在香港回归前，趁香港英政府不作为，而屡犯巨案，先后绑架富豪利家及雷家之长子，勒索超过二十亿元，事主怕被报复, 交赎款后都不敢报警。中国公安部极为关注，与香港警方合力，派香港警员何天卧底潜入龙志强犯罪团伙，发现他正策划绑架澳门富豪贺不凡，最终陆港警察合力勇擒龙志强，救出贺不凡。