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若非有人提前示警，有了足够的准备，今晚怕是虽不至于会有多么严重的惨败，却也不会多么轻松，死伤是必不可免的。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.　　“爱尔纳．突击”国际侦察兵竞赛是爱沙尼亚共和国组织的一项国际性军事竞赛活动，是侦察兵在“敌占区”实施的远距离、多课题侦察作战演习。竞赛在生疏地形上进行，在与假设敌的激烈对抗下实施，要求参赛队员在负重35至40公斤装备物资的情况下、连续行走四昼三夜行程180公里以上，在6至8个控制站完成近二十多项竞赛内容。大后天，我们没有空，你们只能等下一周了……放下手机后，彭文洲一脸疑惑。5.5 Drug addiction and alcohol addiction are not qualified.这野菜吸油，所以这汤清爽的很，鸡肉也有些笋菜的清香味儿。