国产亚洲一卡二卡三乱码

Original address: http://www.cnblogs.com/zhili/p/SingletonPatterm.html不成，还是把小葱分给葫芦，板栗分把你。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.别有事没事就赖媳妇不好。要不……你也跟我们一起去桃花谷，去姑姑家吃饭，好么？姑姑可是很喜欢淼淼的。忍不住惊叹道：板栗哥哥，我就晓得你是最有主意的，每次我有什么烦难事，让你一说，我就想开了。于是神宫寺看到了好友变成金发碧眼美少女姿态的样子…！？