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电视剧《LUCA》是以未知的世界“遗传学”为题材，讲述了某个被世界遗弃的人激烈的追踪记。该剧以达尔文的《物种起源》为基础，用大胆的素材开启了前所未有的玄幻剧篇章。去了学里，板栗跟夫子告假。张家，挨过了黑夜，如同那清晨的曙光，如同初升的红日，慢慢腾空而起。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.2. Next, we can enter the map style interface, where we can set the format uniformly. It should be noted here that MindManager mind map software can only set the 5-level format at present, as shown in the following figure.