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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.一只常常在窗台发呆的家猫毯子，一直以来和儿子斗篷安逸地生活在城市的一座高楼公寓中。有一天毯子不得不和斗篷分别踏上冒险旅程，去寻找传说中的猫的桃花源。与此同时，毯子必须面对心中一段不愿提起的往事，或许这也是毯子害怕外面的世界，不愿意离开家的重要原因......The enhanced module pattern is used when it is suitable for those situations where the single column must be an instance of some type and some attributes or methods must be added to enhance it. For example, the following code:Half a month later, horrible bodies went to sea one after another, revealing the truth of the biggest pirate murder and robbery since the founding of the People's Republic of China.　　一周很快过去，爱德华想要出钱把她安置在纽约一所公寓里，维维安干脆地拒绝了这里是“Dunder Mifflin”纸业公司一家小小分公司的办公室，在头脑非常脱线的区域经理迈克尔（史蒂夫·卡瑞尔 Steve Carell 饰）领导下，一群办公室职员的生活每天充满古怪趣味。吉姆（约翰·卡拉辛斯基 John Krasinski 饰）是个诙谐、脑子灵活的恶作剧狂人，整天想出不同点子折腾坐对面的学究型同事杜维特（雷恩·威尔森 Rainn Wilson 饰），后者每每气恼不已，也在工作上暗自对吉姆使坏，还视他做升职最大竞争对手；吉姆的恶作剧搭档是前台女孩潘（珍娜·费舍 Jenna Fischer 饰），两人制造出无止境的欢笑，但潘已经有了未婚夫，吉姆对她动心也只能发乎情止乎礼。办公司里还有脾气古怪的大龄剩女安吉拉（Angela Kinsey 饰）、深受迈克尔歧视的同性恋会计奥斯卡（Oscar Nuñez 饰）、拼命想融入大家都实习生瑞恩（B.J. Novak 饰），无论大家性格合拍与否，彼此的共识都是，经理迈克尔是整间屋最大的极品……本剧是英国BBC情景喜剧《办公室》的美国版。周菡见他脱去戎装，跟个少年书生似的，笑容如同天空的暖阳，眼神也格外明亮，或者说，看她的眼神带着特别的意味。