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越王使者？张良很是诧异，怎么弄成了现在这个局面？是的。{宋初九原本是个软包子，痴爱着萧墨清，然而萧墨清心中只有白月光苏璃，当初不得已才跟宋初九结婚，竟可以眼看着宋初九被人欺负，落得尊严全无。突然间，宋初九醒悟了，变得超A超飒，一手对抗情敌，一手虐渣男的幸福生活就这样开始了！Public Tree (String name) {白冰江有着坚强的毅力和信念以及曲折的奋斗经历，但是命运的捉弄总是接踵不断，遭受生意失败后，合作伙伴却离奇自杀身亡，与华宇集团董事长千金的婚礼上又有人送来了一个私生子，新娘蒙辱，婚礼流产。一张充满危机的大网向他扑来，其实这一切事件背后隐藏着不可告人的秘密……Now, let's imagine why these "checkpoints" are called "chains" in iptables. As we know, The purpose of a firewall is to match "rules" for passing messages, Then execute the corresponding Action, So, when the message passes through these checkpoints, You must match the rules on this level, However, there may be more than one rule on this level, But there are many rules, When we put these rules in a chain, A "chain" has been formed. Therefore, we imagine each "checkpoint" as shown in the following figure. In this way, it is more appropriate to call them "chain". Each message passing through this "checkpoint" must match all the rules on this "chain". If there are qualified rules, the corresponding actions of the rules will be executed.