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紧接着，彭蠡泽的周康所部回援会稽平叛。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.胡宗宪惊讶睁眼，只见城北一路人马奔来，为首者高大异常，胡宗宪这辈子只见过一个这么高的人。8-Wood Lignum《关东微喜剧》是一部由沈阳莎梦文化发展有限公司与辽宁睛彩交通传媒有限公司联合推出的一档大型系列喜剧。故事取材于东北地区广泛流传的民间笑话，并从东北民间曲艺门类中汲取养分，使之具有鲜明的地域特色和较高的艺术性，力求为您呈现传统、欢乐、风趣、幽默的乡土文化和民间风情。Happy to watch and post, everyone, the code word is not easy, and the recommendation wave is smooth, so that more people can see it.3.10