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In computer security, an access-control list (ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1] Each entry in a typical ACL specifies a subject and an operation.
+ (plus) suffix indicates an access control list that can control additional permissions.. (dot) suffix indicates an SELinux context is present. Details may be listed with the command ls -Z. @ suffix indicates extended file attributes are present. To represent the setuid, setgid and sticky or text attributes, the executable character (x or ...
The following Access Control List (ACL) permissions can be granted: Lookup (l) allows a user to list the contents of the AFS directory, examine the ACL associated with the directory and access subdirectories. Insert (i) allows a user to add new files or subdirectories to the directory. Delete (d)
LSM provides a kernel API that allows modules of kernel code to govern ACL (DAC ACL, access-control lists). AppArmor is not capable of restricting all programs and is optionally in the Linux kernel as of version 2.6.36. [17] grsecurity is a patch for the Linux kernel providing a MAC implementation (precisely, it is an RBAC implementation).
In computer security, discretionary access control (DAC) is a type of access control defined by the Trusted Computer System Evaluation Criteria [1] (TCSEC) as a means of restricting access to objects based on the identity of subjects and/or groups to which they belong.
In an ACL-based model, a subject's access to an object or group of objects [1] depends on whether its identity appears on a list associated with the object (roughly analogous to how a bouncer at a private party would check an ID to see if a name appears on the guest list); access is conveyed by editing the list. (Different ACL systems have a ...
Linux distributions that have highly modified kernels — for example, real-time computing kernels — should be listed separately. There are also a wide variety of minor BSD operating systems, many of which can be found at comparison of BSD operating systems .
Acl: An access control list (ACL), with respect to a computer file system, is a list of permissions attached to an object. GNU GPL: Attr Commands for Manipulating Filesystem Extended Attributes. GNU GPL: Autoconf: Tool for producing configure scripts for C, C++, Fortran, Fortran 77, Erlang, Objective-C software on Unix-like computer systems ...