Hi. Jim from DS here to tell you more than you ever wanted to know about the Security Descriptor Definition Language (SDDL). Windows uses SDDL in the nTSecurityDescriptor. The SDDL defines string elements for enumerating information contained in the security descriptor. You may want to grab some coffee now.
Before we explain SDDL , let me explain what SDDL describes – a security descriptor. A security descriptor is a binary data structure of changeable length that contains security information associated with a protected (securable) object. This includes information about the object’s owner and who can access the object and in what way. The security descriptor also includes information on how access to the object is audited. Windows uses security descriptors to control access to resources. Examples of resources to which security descriptors apply are files, folders, registry keys, network shares, printers and Active Directory objects like OU’s and DNS zones.
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