久久国产乱子伦精品免费女人

嘉靖思索片刻，依然拿不定主意。周菡怔住了。九百多年前，翻车鱼公主敖帆帆被书生霍云深所救，决心在霍云深25岁时以身相许，奇怪的是，霍云深的每一世，都在25岁前离奇死亡。这一世，敖帆帆提前上岸，找到了霍云深，二人在嬉笑欢乐的日常中，日久生情，但危机还是一步一步逼近，最后敖帆帆用自己的生命保护了霍云深和海底世界的翻车鱼族，并静待重生，与霍云深海边再见。洪霖猛然抬头，不可置信地望着秦枫，半响才点头道：好，好，好。First, DNF equipment quality improvementWhen 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.