这是本人原创的，包含了iptables各种功能实现的例子。有NAT转换，对外发布服务器，特定端口的映射，filter表中FORWARD、INPUT、OUTPUT链规则制定的实现细则，并做了详尽的注释。配置命令中的每一条均在实际机器上做过测试，请放心参阅。-This is my original, including the realization of various functions of iptables example. Have NAT conversion, external publishing server, a specific port mapping, filter table FORWARD, INPUT, OUTPUT chain rules to achieve the rule-making and has done a detailed note. Configuration of each order are done in the actual machine test, please refer to rest assured.