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The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service.该剧讲述明宪宗年间，宦官专权，残害忠良。侠客赵怀安在营救忠良行动中，引来东厂主万喻楼和西厂督主雨化田的追杀。赵怀安等人一路亡命，投宿龙门客栈。江湖险恶充斥血雨腥风，荒凉大漠儿女情长中。In the example above, the-R option means modifying the specified chain, Using-R INPUT 1 means modifying rule 1 of the INPUT chain, Using-j REJECT means that the action of changing the first rule in the INPUT chain to REJECT. Note: In the above example, the-s option and the corresponding source address cannot be omitted. Even if we have already specified the number corresponding to the rule, when modifying a rule with the-R option, we must specify the original matching condition corresponding to the rule (if there are multiple matching conditions, we need to specify them).这话说的，虽是小儿言语，也听得郑氏揪心。2012年夏天，历史系学生小浩来故宫博物院实习，在修复文物时遇见了失忆的古装少女明媚，明媚飘忽不定，以为自己是鬼，小浩为了帮她寻找身世，开始展开调查，在调查过程中二人发现了三百年前的深宫谋杀案，发现了穿越之谜，发现了雍正的秘密恋情，唯独对明媚的身世没有帮助，这时二人产生出爱情的火花，小浩不想明媚离开，遂故意毁掉资料，二人产生隔阂。小浩发现科学院收藏了明媚冰在冰里的身体，因为还有生命的迹象，却始终无法醒来，科学院决定将她安乐死，小浩决定要救下明媚，于是展开了一场别开生面的战斗阀门厂老板周成龙失踪七天后，被人发现已经死在上村路一幢住宅内。死者弟弟案发后突然不知去向，嫌疑重大。副队长诸葛智在案情调查中发现，死者刚离异的妻子周丽芳竟是自己的初恋女友，没想到婚后大款丈夫并没有给她带来几天的幸福。诸葛智认为此案情杀、仇杀的可能性极大。而队长陈海涛认为死者弟弟背后的那帮赌徒不仅有作案动机，也具备作案条件。对此，两种意见各执一词。红鼻子等赌徒被从广东捉拿回本市后，破案心切的王大鹏因刑讯逼供，而被检察机关立案查处。经过两个多月的艰苦侦查，扑塑迷离的案情终于大白于天下，杀人凶手及幕后主谋被缉拿归案。