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At this point, there are only two cases: Case 1 and Case 2. To draw a conclusion on branches 2, 3, 4 and 5? Take branch 5 in the figure as an example. The code for modifying MyView's onTouchEvent () is as follows:SYN attack is a kind of DOS attack. It takes advantage of TCP protocol defects and consumes CPU and memory resources by sending a large number of semi-connection requests. SYN attacks can not only affect hosts, but also harm network systems such as routers and firewalls. In fact, SYN attacks can be implemented as long as these systems turn on TCP services no matter what systems are targeted. As can be seen from the above figure, the server receives the connection request (syn=j), adds this information to the unconnected queue, and sends the request packet to the client (syn=k, ack=j+1), then enters the SYN_RECV state. When the server does not receive an acknowledgement packet from the client, it retransmits the request packet and does not delete this entry from the non-connection queue until the timeout. With IP spoofing, SYN attacks can achieve good results, Typically, clients forge a large number of non-existent IP addresses in a short period of time, SYN packets are continuously sent to the server, and the server replies to the confirmation packets and waits for the confirmation of the customer. Since the source address does not exist, the server needs to continuously resend until it timeout. These forged SYN packets will occupy the unconnected queue for a long time, normal SYN requests will be discarded, the target system will run slowly, and in serious cases, the network will be blocked or even the system will be paralyzed.雷刚（林嘉华 饰）本是广州第一的武林高手，却在一次对决之中败给了黄飞鸿（姜大伟 饰），声败名裂，还染上了麻风病。雷正龙（黄宗泽 饰）是雷刚的徒弟，他将师傅的落魄全都怪罪到了黄飞鸿的头上，遂前去找其报仇，没想到黄飞鸿反而传授给他了一套雷家诠法，让雷正龙颇受触动。该部悬疑惊悚剧集由三度奥斯卡提名的Joan Allen领衔。讲述了一个政治家的儿子在十年前失踪并认定死亡。但现在却突然重新回到当年生活的地方面对满是怀疑的家人-他是否是当年那位失踪的男孩吗？与此同时，当年被指责杀害了他的邻居也得以释放，却要让警察重新调查真相。Ann上演复仇女，做了Nok的神秘新娘。 ann的姐姐和Nok爸爸有情，而Nok的妈妈想方设法要陷害ann的姐姐想让她流产。虽然孩子顺利出生但是先天性智障，姐姐也因此失踪了。剧集的开头是Nok不愿结婚,身边还有一群花蝴蝶，但是他妈妈迫使他和不喜欢的女孩结婚。在婚礼上ann假扮新娘没有人怀疑她直到Nok和ann在结婚证上签字时ann才展露她真实身份。。。尽管此剧中ann对Nok的妈妈做了一些坏事，但是只是想让她想起她对ann的姐姐所做的事情。剧中ann有一个男朋友，但是为了为姐姐报仇她把男朋友凉在一边。。。 一个狂风暴雨的夜晚，Nok rp ann。。。Nok不是一个坏人，事后他知道了ann的身份并且寻找那个智障的孩子...位于安达曼海中的神秘私人岛屿哇丽宫，海碧天青，天长水阔。然而，旖旎的海岛风光下却波涛汹涌，暗藏杀机。一桩桩离奇事件接二连三；一个个花样女郎神秘失踪。命案频发，是自杀还是他杀？是遭了天谴还是中了暗算？美丽、大方、开朗的女作家，因为好友妹妹消失在这里而好友又恰遇车祸，毅然踏上小岛想要寻求失踪的谜底故事发生在解放前夕，侠女龙飞飞在实施袭击国民党高官时，遭到了国民党军队的围追堵截，龙飞飞的几个姐妹在奋勇杀敌中先后被击毙，只有龙飞飞一人跳崖得以生还，之后，龙飞飞报仇的信念愈加强烈……一次次的袭击让江淮市驻军惶惶不可终日，龙飞飞所到之处敌军闻风丧胆。国民党侦缉处田处长调来了军中一枝花吉丽冒充龙飞飞并企图追杀她，在一次夜战中，龙飞飞身负重伤被解放军侦察员救获，从此龙飞飞走上了革命的道路，并成为了一名高级特工，被派往湖城展开地下工作。龙飞飞化名何娜，利用军统湖城分局少校谍报员的身份和利用军、警、匪之间的矛盾，把一批批敌人用作潜伏的军用物资安全运抵解放区……