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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.毕比国王探索本杰明·内塔尼亚胡的崛起，仅仅依靠他多年来媒体表演的档案镜头：从他在美国电视台担任受欢迎嘉宾专家的日子，到他公开承认通奸，以及他对社交媒体艺术的掌握。从一个演播室到另一个演播室，“比比”从以色列巨大的政治希望演变成一个有争议的人物，有人认为他是以色列的救世主，也有人认为他是一个愤世嫉俗的政治家，为了保住自己的权力，他什么也不做。那个张姑娘用一只鹅毛管子蘸墨水写字，写得那叫一个快哟。这部片子里有一位魔术师叫Harry，他是一个年轻的魔术师，通过发明各种魔术节目去吸引观众，但是他天赋有限，总是发挥不好。同时，他有一只道具兔子，名叫Bunnie，却经常耍他的魔术棒耍得很好，抢了他的风头。他们的关系很密切，但是并不是一直都和睦相处。Harry总在设计新的方案，以便解决冲突获得对事态的控制权，同时夺回自己的魔术棒；但是Bunnie也总在破坏这种局面，捣乱无尽头！Elise Wasserman and Karl Roebuck investigate when a couple are abducted from the Channel Tunnel in front of their young daughter. Events take a dramatic turn when a plane crashes into the Channel.呵呵，贤弟有了发财的门道，种海自然不急了。但是原来是好朋友。为了不破坏这种关系，必须尽快打倒魔王恢复原来的样子。