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Reflection 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:The "Xi Jinping Wen Hui" section combed 56 groups of excerpts from Xi Jinping's important discussions on topics such as the Chinese Dream, Marx, firm ideals and beliefs, the Chinese spirit, reform and opening up, all-round and strict party management, new development concepts, scientific and technological innovation, and the community of human destiny. Excerpts from these discussions include not only the discussions since Xi Jinping's 18th National Congress, but also the speeches and manuscripts before the 18th National Congress. If you point out "Xi Jinping's Theory of Firm Ideals and Beliefs", you will find that the earliest passage in the excerpt comes from Xi Jinping's speech on September 2, 1982 at the Zhengding County Veteran Cadre Work Conference, "Do a Good Job in Veteran Cadre Work with Feelings and Responsibilities". Excerpts from these discussions provide great convenience for manuscript writers.Http://tech.huanqiu.com/cloud/2014-12/5288347.htmlPublic class Observer1 implementations Observer {小老鼠维兹和白肚皮狐狸本是一对死敌，一场不幸的意外让他们在动物天堂相遇。没了自然本能的驱使，他们成为了最好的朋友，并相约回到尘世后还要和彼此相伴。只是没想到，重生之后，他俩互换了角色……Iterator mode:特工编号C9的余小娇（高海宁饰）隶属的特工组织香港分部无故爆炸，小娇自此与总部失去联络。及后小娇下嫁忠厚老实的卖菜佬高大劲（马国明饰），每天忙着照顾大劲一班麻烦多多却温暖无比的家人，过了四年平凡幸福的师奶生活。没料到昔日的特工拍档B3（黎诺懿饰）突然现身，邀请小娇调查特工分部爆炸原因，以及找回分部被炸毁后失踪的VT神经毒剂。从此，小娇开始过着师奶及特工的双重生活。大劲无意中得悉小娇的特工身份，一时未能接受。冷战期间，大劲认清对小娇的感情，真心接纳小娇。未几，小娇发现B3竟是炸毁特工分部的叛徒，并利用小娇夺取VT神经毒剂谋利。小娇与毫无特工技能的大劲夫妻同心，携手对付B3，力保世界和平！