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Reflective attacks typically use protocols that do not require authentication or handshake, Reflection attacks need to forge the source IP address of the requested data into the IP address of the target. If the protocol used requires authentication or handshake, the authentication or handshake process cannot be completed and the next attack cannot be carried out. Therefore, the vast majority of reflection attacks are carried out using network services based on UDP protocol.这部作品是由Kota Someya（死于17岁）和Mei Konno（成长于24岁）共同创造的幻想爱情小说。 Kota死后没有透露自己的想法，她出现在Mei身上，而Mei则是非季节性的樱花季节，这是七年来首次回到家乡。2000年出生的福本莉子，将昭和时代的名曲在令和中复苏见大哥又点了一束香插上，然后退了回来，他便等不及，心想山芋哥哥怕是还没想好说啥，那他可要先说了。故事发生在一九三七年秋天上海。上海滩的著名电影演员李梦露突然在包住的百老汇大饭店坠楼而亡，引起轩然大波。各界议论纷纷，官方结论是自杀。　　天空电视台预定《发现女巫》第二季及第三季！该剧由马修·古迪、泰莉莎·帕尔墨主演，故事改编自黛博拉·哈克尼斯同名小说，《神秘博士》幕后制作团队Bad Wolf担任制作。剧集背景设置在牛津，围绕一个女巫家族传人与吸血鬼之间的爱情故事展开。When x=3, ViewGroup2 has already blocked the event when x=3. Why did MyView still receive an event? If the action value of this event received by MyView is printed out with log, it is found to be ACTION_CANCEL, which indicates that this event has ended for non-human reasons. Let me give an example of the ACTION_CANCEL event. Generally, when we handle the event, we will record something in the down event and then clear the record in the up event. If you have a Button in ListView, When we hold down the Button, the button receives the down event. At this moment, the finger starts to slide, and the event will be intercepted by ListView. At this time, the button will never receive the up event again. However, when ListView intercepts the event, the button will receive the cancel event, indicating that the event is ended for non-human reasons. Therefore, Cancel can do what the up event wants to do at this time.