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.
Netflix宣布《小镇滋味》续订第3季，德鲁·巴里摩尔、蒂莫西·奥利芬特、丽芙·休森、斯凯勒·吉桑多回归主演。
金承佑、吴智昊、金敏贞、崔秀英上演一段4角恋情。
A3.1. Head and neck examination.
此后，嘉夜又偶遇杜谦永的孪生弟弟，放浪不羁的杜谦
Sichuan Artist Graphic Endorsement Company
阿列娜是个美丽的俄罗斯姑娘，她不但是人类历史和史前文明的专家，更是一个身手矫健的搏击专家和攀岩爱好者，经常受雇于各种基金会去全世界发掘和寻找史前遗迹。格林是一个以考古之名进行盗墓和文物走私的所谓“考古学家”，在一次意外中他发现了一个古代遗迹并从中解开了“世界末日”之谜。在遥远的古代地球上已经存在着一个高度发达的史前文明，他们预测到了未来人类将会有十分之一的人死于由太阳风暴而引发的“末日”灾难。为此，史前地球上的七个文明各自打造了一个具有神奇力量的护身符，只要有一个护身符最终流传到未来，就可以使全人类逃过大劫。然而，古人们低估了人性的贪婪和黑暗，格林教授将史前遗迹和末日灾难的研究成果出卖给了全球最大的军火组织，人类的灾难在这个组织的眼中却是趁混乱发财并进一步控制世界的大好机会，他们派出雇佣军在格林教授的带领下开始在世界范围内寻找另外六个史前文明的发明。
Heavy crossbow 1.5
HBO宣布续订喜剧《球手》第四季。
徐百九越深入地研究刘金喜，就越觉得他也许并不是一个罪大恶极的人，徐百九开始相信“他要么是一个伪装高手，要么便是真的改邪归正了。”为了结束查案，徐百九不断地袭击刘金喜，试图逼他用武功来反抗，但每每都不如愿。刘金喜在此过程中严重受伤，迫使徐百九对他的怀疑有所动摇。正当所有的证据都让徐百九的推
本剧以“老妈”是谁为最大悬念，只知道泰德在巴尼的婚礼上遇见这位神秘的真命天女，她究竟是谁？
林间，尹旭与吕臣并肩而立。
Gu Xixi was stunned at first and immediately knocked on the system wizard: "What's going on?" "Sorry, player." The system wizard did not pretend to be dead: "There is no imperial examination plug-in installed at this checkpoint." "Let...
少女安慰道：娘放心好了，爹爹那边不会有事了，赵高追赶我们如此紧迫，足可见爹爹已经全身而退。
CBS早前宣布开发《生活大爆炸》衍生前传剧，現CBS确定命名为《少年谢尔顿 Young Sheldon》，顾名思义就是以Sheldon Cooper 为主角。但该剧不是Sheldon成年版，而是以他9岁时为背景，剧集也会以《马尔柯姆的一家 Malcolm in the Middle》的单镜头家庭喜剧方式制作，讲述Sheldon当年在德州东部的家庭及学校生活。Chuck Lorre与Bill Prady为主创兼执行制片﹑Steve Molaro﹑Todd Spiewak与在《生活大爆炸》饰演Sheldon的Jim Parsons为制作人兼执行制片。在过往剧情中，可得知Sheldon的家人包括哥哥George﹑异卵双胞胎姐妹Missy﹑有宗教信仰的妈妈Mary Cooper，以及酗酒的爸爸George Cooper。另外Sheldon还有外婆（Meemaw）及外公（Pop Pop），外公在Sheldon 5岁时去世。该剧由Jon Favreau执导， Iain Armitage将饰演年轻版的Sheldon Cooper﹑ Zoe Perry饰演其母亲Mary Cooper﹑Lance Barber饰演Sheldon的父亲﹑Raegan Revord及Montana Jordan饰演Sheldon的兄妹（姐？）﹑Annie Potts饰演外婆。
The fundamental reason for using design patterns is to adapt to changes, improve code reuse rate, and make software more maintainable and scalable. In addition, the following principles should be followed when designing: single responsibility principle, open and closed principle, Richter substitution principle, dependency inversion principle, interface isolation principle, composite reuse principle and Dimit principle. Each design principle is described below.
First of all, I would like to thank Jiguo Net very much for giving me the opportunity to experience AnchorChef's low-temperature slow cooking machine. After two days of trial, I have made hot spring eggs, sirloin steak and lamb chops. I have basically become familiar with the operation method of the slow cooking machine and accumulated some experience in use. I would like to make a brief introduction and share my own experience. This report is divided into three parts. After a simple blueprint, let's officially enter the text.
《布里杰顿家族》是一部融合浪漫、丑闻和智慧元素于一体的剧集，讲述的是永恒的友谊、寻找方向的家族以及对超越一切的爱情的探索。此外，该剧集主演还包括果尔达·罗斯乌威尔、乔纳森·贝利、卢克·牛顿、克劳迪亚·杰西、妮可拉·考夫兰、鲁比·巴克、萨布丽娜·巴特利特、鲁丝·吉梅尔、阿卓艾·安多、阿卓艾·安多、贝西·卡特和哈丽特·肯斯，并由朱莉·安德鲁斯为威索顿女士配音。该剧集的灵感来源于茱莉亚·昆恩的畅销小说。
Reference: Baidu Encyclopedia: World War I Baidu Encyclopedia: World War II
《推拿》改编自知名作家毕飞宇的同名小说，讲述了一群盲人按摩师的生活。这是国内首部聚焦盲人群体的电视剧作品，题材本身的话题性加之原著的知名度，筹备期间就受到不少文学爱好者的关注。不过，如何拿捏盲人的状态并借由此直抵他们的内心世界，即是该剧最吸引人的地方，也可能成为观众弃剧的理由。
