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1.18.7 SELinux安全上下文的修改和设置（chcon和restorecon命令）
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- 说明
- 分类：Linux
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安全上下文的修改是我们必须掌握的，其实也并不难，主要是通过两个命令来实现的。
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18.6 SELinux安全上下文查看方法（超详细）
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- 说明
- 分类：Linux
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SELinux 管理过程中，进程是否可以正确地访问文件资源，取决于它们的安全上下文。进程和文件都有自己的安全上下文，SELinux 会为进程和文件添加安全信息标签，比如 SELinux 用户、角色、类型、类别等，当运行 SELinux 后，所有这些信息都将作为访问控制的依据。
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1.18.4 SELinux配置文件（/etc/selinux/config）
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- 说明
- 分类：Linux
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我们知道，SELinux 是预先配置的，可以在不进行任何手动配置的情况下使用 SELinux 功能。然而，一般来说，预先配置的 SELinux 设置很难满足所有的 Linux 系统安全需求。
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1.18.5 SELinux工作模式设置（getenforce、setenforce和sestatus命令）
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- 说明
- 分类：Linux
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除了通过配置文件可以对 SELinux 进行工作模式的修改之外，还可以使用命令查看和修改 SELinux 工作模式。
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SELinux 的3种工作模式（Disabled、Permissive和Enforcing）
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- 说明
- 分类：Linux
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通过对 SELinux 的介绍，初学者可以这样认为，在传统 Linux 系统使用访问控制方式的基础上，附加使用 SELinux 可增强系统安全。 那么，SELinux 是如何运行的呢？
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