The default setup of the named service on CentOS V5.4 is to use bind-chroot.

CentOS V5.4上的命名服务的默认设置是使用bind - chroot。

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BIND Version 9.3.1 (with improvements in chroot operation and other security-related issues).

BIND Version 9.3.1(包含对chroot操作和其他安全相关问题的改进)。

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The difference lies in the read-only bind mounts and the use of namespaces to enhance the isolation of the chroot environment to the point that it becomes an effective container.

不同之处在于只读绑定挂载和使用名称空间增强chroot环境的隔离性，使之成为有效的容器。

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