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NTFS Permission denied vs not adding anything

Posted on 2014-12-16
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Last Modified: 2014-12-22
What is the difference between adding a user to a directory & set permission to deny, & not adding the user at all?

In both cases, the user wont be able to access the folder, but why going all the way to deny?

Thanks
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Question by:defrey
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by:Guillermin-go
Guillermin-go earned 250 total points
ID: 40503975
Hi:

If there are conflicting permissions, the most restrictive are applied.

If a user is member of a group that can read a folder,  but you set deny read permissión to that user, the user cant read that folder.
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McKnife earned 250 total points
ID: 40503993
Another example: if you grant a group X change permissions but don't want User A to be able to change, you could deny change for that user without having to kick him out of that group. That is a use case.
But just denying him? No one would do that since not granting him anything is so much easier.
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by:Seth Simmons
ID: 40504072
where i recently worked, i came across a share that had a group with explicit deny
found out the reason; a different group was given access though a few members shouldn't have it so another group with those individuals was created and explicitly denied.  that could be a scenario where you might need to do that, though a rare circumstance
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