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Platinum Edition Using® Microsoft® Windows® XP
book

Platinum Edition Using® Microsoft® Windows® XP

by Robert Cowart, Brian Knittel
July 2003
Intermediate to advanced
1440 pages
40h 40m
English
Que
Content preview from Platinum Edition Using® Microsoft® Windows® XP

How Access Control Works

When you attempt to access an object or container, Windows XP takes a look at your access token. This token contains a list of SIDs, including the unique user SID and the SIDs for each group to which a user belongs. If any of the SIDs associated with your account match any of the SIDs present in the DACL on the resource you are attempting to access, Windows XP evaluates the applicable ACEs to determine whether or not you should be allowed to interact with the resource.

Windows XP will check local ACEs before inherited ACEs, and Deny ACEs (which prevent a specified type of access) are evaluated before Allow ACEs (which, as the name suggests, allow a specific type of access). So, effective permissions are determined with ...

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