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In most of China, everything is happening: volcanoes are spewing and rivers are withering.张老太太呼地一声站起来，对她喝道：别扯你娘的鬼话，你这是咒我小葱哩？离了你们家泥鳅，就嫁不到好男人了？小妹，你可别惹婶子生气。为大家带来好玩有趣的绘本故事，陪伴小朋友们在玩耍中快乐成长。李敬文一一答了。The above is compiled from the post-war oral memories of Kang Yuanlian, the company commander of the 2nd Company who took part in the 142 battle earlier, and Liu Guangyuan, Wang Zeduan and Zhao Mingkai, the soldiers who were responsible for guarding the 142 position and took part in the whole process of fighting the two "living biological weapons" of the Vietnamese army.We know that IPTables acts according to rules. Let's talk about rules. Rules are actually predefined conditions for network administrators. Rules are generally defined as "if the packet header meets such conditions, this packet will be processed in this way". The rules are stored in the packet filtering table in kernel space, specifying the source address, destination address, transport protocol (such as TCP, UDP, ICMP), service type (such as HTTP, FTP, and SMTP), and so on. When packets match the rule, iptables processes these packets according to the methods defined by the rule, such as accept, reject and drop. The main task of configuring a firewall is to add, modify, and delete these rules.芝加哥天气预报员大卫，被他的粉丝们热爱，也被诅咒--这些人在天气不好的时候会迁怒于他，而大部分时候，大卫都是在预报坏天气。不过，这也没什么，当一家国家早间新闻节目叫他去面试的时候，大卫的事业似乎又将再创新高。在电视节目上，大卫永远微笑，自信而光鲜，就像每一个成功的电视人一样，说起收入，他也绝对不落人后。不过，大卫的个人生活可就不那么如意了。