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For spoofing attacks, the first thing to consider is to choose the address. For the attack to succeed, the host on the spoofed IP address must not respond to any SYN-ACK packets sent to them. A very simple method that an attacker can use is to disguise only one source IP address, and this IP address will not respond to SYN-ACK packets, perhaps because there is no host on this IP address at all, or because some configuration has been made to the address or network properties of the host. Another option is to disguise many source addresses, and attackers will assume that hosts on some of these disguised addresses will not respond to SYN-ACK packets. To implement this method, you need to recycle the addresses on the list of source IP addresses that the server wants to connect to, or make the same modifications to hosts in a subnet.Generally speaking, a DDOS attacker is a program that implements DDOS denial attacks. With his help, he can launch attacks on other computers with a high success rate. By using this kind of attacker, even less powerful hackers can be used freely and easily restrict other people's computers from accessing certain legal websites anytime and anywhere.但是不管是什么人，她都不乐意，因为她心中已经有一个的意中人，一个英俊威武的大哥哥。尹旭缓缓坐下，脸上波澜不惊什么也没说，他并不怕项羽，有时候不得已也得随波逐流。本剧以经济建设大潮中的税收工作为平台，以查处某国有企业在技术改造中暴露的偷税题为线索，集中塑造了以税务局长郑铁为代表的优秀税务干部形象，展示了他们聚财为国、执法为民的崇高思想和人格魅力。该剧跳出了传统行业片的窠臼，努力实现人物的个性化，主要角色均真实生动，血肉丰满故事情节也紧凑曲折，内涵深沉，具有较强的观赏性，同时具有强烈的时代性……Public class WrapperTest {