技巧：让您的系统变得更快更安全
网络安全的防备，我们需求堵住黑客常用缺口，从阻止端口和禁用服务下手。端口是计算机和外部网络相连的逻辑接口，也是计算机的第一道屏障，所以端口配置准确与否直接影响到我们主机的安全。(In order to prevent network security, we need to plug the gaps commonly used by hackers, starting from blocking ports and disabling services. The port is the logical interface between the computer and the external network, and it is also the first barrier of the computer, so the accuracy of the port configuration directly affects the security of our host.)
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