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10. The stock is very cheap and has fallen a lot. It is not the reason for you to buy it. It will never be! He may also be cheaper!He will never realize what a child means to a mother.　　一波未平，一波又起。方德入狱、苗显在京遇难、翠花进京救父……一连串的意外...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.《N世代之青春降临》讲述了在当下网络时代，以胡可(林柏叡 饰)为首的创业四兄弟，在经历创意被剽窃、公司被并购等一系列困难后，仍旧在新媒体事业上坚持奋斗追梦的故事。该剧将于2019年5月17日在爱奇艺上映。