![]() It does not serve this purpose in applications requiring data for authorization from multiple sources with databases and/or Web services, etc. Techopedia Explains Access Control List (Microsoft) (ACL)ĪCL is a resource-based security model designed to provide security that facilitates authorization of an application that accesses an individually secured resource. ![]() When a process requests an object's access rights from ACL, ACL retrieves this information from the ACE in the form of an access mask, which maps to that object's stored 32-bit value. The object security details include generic rights (read, write and execute), object-specific rights (delete and synchronization, etc.), System ACL (SACL) access rights and Directory Services access rights (specific to directory service objects). Security details are internally stored in a data structure, which is a 32-bit value that represents the permission set used to operate a securable object. A trustee may be an individual user, group of users or process that executes a session. The ACL contains a list of items, known as Access Control Entities (ACE), which holds the security details of each “trustee” with system access. This type of security model is also used in Open Virtual Memory System (OpenVMS) and Unix-like or Mac OS X operating systems. The Windows OS uses Filesystem ACL, in which the user/group permissions associated with an object are internally maintained in a data structure. ![]() ![]() The object's security information is known as a permission, which controls resource access to view or modify system object contents. ![]() The system object may be a file, folder or other network resource. In a Microsoft context, the Access Control List (ACL) is the list of a system object's security information that defines access rights for resources like users, groups, processes or devices. What Does Access Control List (Microsoft) (ACL) Mean? ![]()
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