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CurrentIndex the index of the element being processed in the arrayBarryAllen在11岁的时候，他的母亲死于一次离奇的恐怖事故，而他父亲更被错误指认为凶手，而他父亲的挚友，警探JoeWest领养了他。现在BarryAllen已成为一个聪明﹑上进﹑讨喜的CSI鉴证分析员，与此同时他为了调查母亲死亡的真相，于是追踪起各种都市传说，也同时见识了先进的科技。近期BarryAllen迷上了由有远见的科学家HarrisonWells及其S.T.A.R.实验室团队开发的粒子加速器，其功能指对能量及医学界都会有飞跃的进步；然而在公开亮相当日（BarryAllen这角色先前曾在《绿箭侠Arrow》里出场，于《绿箭侠》事情快完结时回去了中心城，亦为公开亮相当日），粒子加速器爆炸并引起了一股风暴，不少人因使丧命，而BarryAllen则被雷击。而从长达9个月的昏迷苏醒后，BarryAllen发现自己因祸得福，得到超高速的力量，令他决定使用此力量。　　事业知音难觅，生活中同样。虽然她和小县城的几位男人都有过瓜葛，但是爱她的人她不爱，唯一一次付出的真情，却是落花有意，流水无情。绝望的王彩玲甚至想到了以死了结。那个小师妹似乎要移情别恋，那个仪琳还继续对着青灯古佛，天启到底要闹哪出。When a client accesses a server's web service, The client sends a message to the network card, The tcp/ip stack is part of the kernel, Therefore, the client information is transferred to the web service in user space through the kernel's TCP protocol, At this time, the destination destination of the client message is on the socket (IP: Port) that the web service is listening for. When a web service needs to respond to a client request, The destination destination of the response message sent by the web service is the client, At this time, The IP and port that the web service listens on becomes the origin instead, As we said, Netfilter is the real firewall, It is part of the kernel, Therefore, if we want the firewall to achieve the goal of "fire prevention", You need to set up checkpoints in the kernel. All incoming and outgoing messages have to pass through these checkpoints. After checking, those that meet the release conditions can be released, while those that meet the blocking conditions need to be blocked. As a result, input checkpoints and output checkpoints appear. These checkpoints are not called "checkpoints" but "chains" in iptables.老军听他这话意思。