Oracle® Solaris 11 Security Guidelines

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Updated: August 2014

File Permissions and Access Control Entries

The first line of defense for protecting objects in a file system are the default UNIX permissions that are assigned to every file system object. UNIX permissions support assigning unique access rights to the owner of the object, to a group assigned to the object, as well as to anyone else. Additionally, the default file system, ZFS, supports access control lists (ACLs), which more finely control access to individual or groups of file system objects.