Chroot in OpenSSH

"Damien Miller (djm@), who worked on this new feature with Markus Friedl (markus@), offers more details about ChrootDirectory:

This commit adds a chroot(2) facility to sshd, controlled by a new sshd_config(5) option "ChrootDirectory". This can be used to "jail" users into a limited view of the filesystem, such as their home directory, rather than letting them see the full filesystem."

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