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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).6. The goddess's idol is her brother (Leslie Cheung) and so am I. When my brother jumped down that year, I was moving bricks but it was very painful. I don't know what the goddess was doing at that time.重庆解放前夕，敌人计划实施一项破坏重庆的“天下一号”任务。潜伏在重庆保密局的我地下党员秦天亮，在获取敌人资料时，被敌人发现。保密局命令把秦天亮的妻儿作为人质送往一座小岛，要挟秦天亮为敌人做事。潜伏下来的保密局重庆站副站长老都等人负责与秦天亮联系。秦天亮在敌人撤走前，得到情报，代号为“老 A”的一个大特务潜伏在我方内部多年。秦天亮为尽早揪出“老A”，面对进城的部队领导马友谊，没有坦露自己的真实遭遇。同时，秦天亮妻儿的秘密，被我党潜伏在小岛的电报组组长汪兰识破。秦天亮腹背受敌，既要隐藏真实身份，与潜伏特务周旋，又要在暗中寻找出“老A”。最终在同志的协助下，铲除内鬼、破获了敌人的“天下一号”计划。B. Run redmine该剧由著名笑匠史蒂夫·马丁和约翰·霍夫曼（《同妻俱乐部》） 联合创作，讲述三个对真实犯罪有着共同痴迷的陌生人突然发现自己被卷入其中的故事。青鸾公主神情凛然地对着初秋的苍穹和连绵的群山发下活捉黎章的宏愿，谁知对方来了这么一出，气得她恶狠狠地盯着黎字大旗下那员小将。In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.