Unlike with earlier versions of BIND, you typically will not need to compile named statically nor install shared libraries under the new root.Ĭhroot Environment initialization script will mount the above configuration files using the mount –bind command, so that you can manage the configuration outside this environment.
A “jail” is a software mechanism for limiting the ability of a process to access resources outside a very limited area, and it’s purposely to enhance the security. Well, to BIND dns, the contents of this directory will appear to be /, the root directory. For example, in this post, i will configure BIND dns to run chrooted to the directory /var/named/chroot/. This tutorial will explain how we can setup BIND DNS in a chroot jail in CentOS 7, the process is simply unable to see any part of the filesystem outside the jail. BIND (Berkeley Internet Name Daemon) also known as NAMED is the most widely used linux dns server in the internet.
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