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Active Directory, 3rd Edition by Alistair G. Lowe-Norris, Robbie Allen, Joe Richards

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Chapter 26. Permissions and Auditing

Security descriptors (SDs), access control lists (ACLs), and access control entries (ACEs) have been used for files and directories on NTFS file systems for years. The same concepts apply to securing Active Directory objects as well. While the information in this chapter is focused on Active Directory, the principles of creating an SD that contains a discretionary access control list (DACL) and system access control list (SACL) can map over to NTFS files and directories.

ADSI provides four main interfaces we can use:

IADsAccessControlEntry

Manipulates individual ACEs that represent access or audit permissions for specific users or groups to objects and properties in Active Directory

IADsAccessControlList

Manages collections of ACEs for an object

IADsSecurityDescriptor

Manages the different sets of ACLs to an object

IADsSecurityUtility

Gets, sets, and retrieves security descriptors for an object

All of the ADSI security interfaces can be found in the MSDN Library at:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/adsi/adsi/security_interfaces.asp

Warning

If you haven't read Chapter 11 in its entirety, you may find this chapter a little confusing.

How to Create an ACE Using ADSI

Microsoft has a habit of calling a shovel a ground insertion earth management device (GIEMD for short); that is, they like to give names that are not always intuitive to the average person. The contents of the five properties of the ACE object are ...

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