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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.刘邦轻轻点点头，他知道张良一定深思熟虑，事实确实如此，只能这么办了。So the result is? An error王者之战’是‘胜者为王’系列的第三集，前两集在收视及口碑上均赢得卓越成绩，创下电视赌片新先河。今集乘胜追击，耗资三千万港元，远赴法国及摩纳哥赌场实地拍摄。香港亚洲电视10月底隆重推出本年度“涉赌”大片。亚视还是很聪明的，用了胜者为王的名字，却不用上集的演员，为的是给观众新鲜感，加上前两部阿吕已经“死”两次了，也不可能再“死”第三次，所以换成了华少，不过这部连陈庭威也没有了，声势也不比前两部，人物关系都变了，惟独江华的方俊却迷倒众生，成为剧中唯一的亮点，换上江华，本来也是为增加一些新鲜感，但结果是出彩的只有江华。 此外江华借此升级，此后多演时装戏……Explanation of Terms:　　高飞和哥哥高群（王耀庆 饰）同时爱上了善良美丽的和其美，一场意外之中，高群在车祸中不幸丧生，他的死让高飞和和其美的感情背负上了沉重的枷锁，两人徘徊着犹豫着，不知该做出怎样的选择。与此同时，高家二儿子高捷（唐治平 饰）爱上了心高气傲的王天丽（唐治平 饰），可王天丽喜欢的却是桀骜不驯自由奔放的高飞，三人陷入了一段剪不断理还乱的三角恋情之中。忽然他大声道：嗐。