众所周知,就安全性而言,Linux相对于Windows具有更多的优势。但是,不管选择哪一种Linux发行版本,在安装完成以后都应该进行一些必要的配置,来增强它的安全性。下面就通过几个步骤来加固的Linux服务器。1.安装和配置一个防火墙一个配置适当的防火墙不仅是系统有效应对外部攻击的第一道防线,也是最重要的一道防线。在新系统第一次连接上Internet之前,防火墙就应该被安装并且配置好。防火墙配置成拒绝接收所有数据包, As we all know, in terms of security, Linux has more advantages than Windows. However, no matter which Linux distribution you choose, there should be some necessary configuration after installation to enhance its security. Here are several steps to consolidate the Linux server. 1. Install and configure a firewall A properly configured firewall is not only the first line of defense against which an external attack is effectively dealt with by the system, it is also the most important defense. Before the new system connects to the Internet for the first time, the firewall should be installed and configured. The firewall is configured to refuse to receive all packets,