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? --------------------? ? ? END? ? --------------------------------These attacks usually use server resources rather than bandwidth from the server. They can also use the resources of network devices (such as firewalls, intrusion detection systems, and switches) on the periphery of the server. Examples include Smurf attacks (ICMP using broadcast IP spoofed IP), Fraggle attacks (same as Smurf, using UDP only), SYN flooding, dead pings (super large ICMP with the same destination and source IP and port), and many others.被队友指责的宙在孤立无援的状态下引退。柳芸芸住在一栋父母留下的花园洋房里，因为受够了日复一日机械的工作，她决定，将房子低价租出去，招聘一群各有特长的的室友一起在宅内创业，机缘巧合之下，一群各有特长的失业青年走到了一起，追逐自己的梦想，并发生了一系列有趣的故事……　　二男一女携手办案，奇妙的感情故事也悄然发生……"Yes, it's the kind of big rats. They are more difficult to deal with than big wasps. Especially when these two things go together, one is in the sky and the other is underground. We should be too busy to take care of them. Moreover, the kind of big rats have very strong teeth. It's a piece of cake to bite off their arms and legs in three or two, and they move very quickly." Zhang Xiaobo said.