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 FreeBSD Access Control Lists

Unix permissions are flexible and can solve almost any access control problem, but what about the ones they can't? Do you really want to make a group every time you want to share a file with another user? Perhaps you don't have root, and you can't create a group at will. Sometimes the limitations can cause security problems; it would be nice to be able to make a directory available to a web server or other user without making the files world-readable or world-writable. Root-owned configuration files often need to be edited by those without root privileges; instead of using programs like sudo or calife and risking shell escapes in editors, it would be better just to allow certain non-owners to edit these files.
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 (Submitted by Dr.T Mon Aug 18, 2003 )

  


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