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Well, we've reviewed the concept of rules, And it has been understood that, A rule consists roughly of two logical units, Match conditions and actions, It is useless to say so much, Let's define a rule by hand. Here, we still take the INPUT chain in the filter table as an example, because the filter table is responsible for the "filtering" function, and if all messages sent to the local machine need to be filtered, they will first pass through the INPUT chain (PREROUTING chain has no filtering function), which is very similar to the "entry" scenario we refer to. Therefore, using the INPUT chain in the filter table as an example is helpful for us to understand.Adds a rule at the specified position of the specified chain of the specified table拜拜啦，我还要写小说了。故事围绕南俪、夏君山和女儿夏欢欢、儿子夏超超，田雨岚、颜鹏和儿子颜子悠等多个家庭展开。儿女们即将从小学升入初中，每个家庭都在面临种种变化，亲子关系也在不断沟通与选择中得到新的认知，父母与孩子迎来共同成长。哦？还有事么？戚继光大惊。葳莎妮是家大型汽车经销商的千金，她专门回国，目的是破坏父亲和新欢孔乔的婚礼。一日葳莎妮的车与维伦驾驶的车发生“意外”追尾，葳莎妮急于去探望生母，想用钱解决，惹得维伦非常生气。父命难违，葳莎妮被迫来到父亲公司供职，并阴差阳错地成为了维伦的下属。两人磕磕碰碰最终能否擦出火花？维伦的女友浓浓也在此供职，两人正准备谈婚论嫁，但浓浓内心向往富人的生活，这让维伦倍感压力；与此同时浓浓的好友及同事古施玛一直暗恋维伦，妄想将他据为己有！一个表面呼风唤雨，实则濒临破产的酒店掌门人友廷也正使尽浑身解数靠近葳莎妮。就连自幼将葳莎妮抛弃的生母，也竭力促进将女儿嫁入豪门，以期许让自己过上富足的生活。因为种种“意外”，让葳莎妮与浓浓阴阳相隔。心怀愧疚的葳莎妮开始了她人生的救赎之路，在被维伦带到岛上后，她偿还着她欠下他的一切……