Access Control List (ACL)
- Definition: A list that specifies which users or system processes are granted access to objects and what operations are allowed on given objects.
- Purpose: Controls permissions and access rights to resources such as files, directories, or network services.
- Components:
- Subjects: Users, groups, or system processes.
- Objects: Files, directories, or network resources.
- Permissions: Read, write, execute, or delete operations.
- Usage:
- Implemented in operating systems, file systems, and network security.
- Enhances security by allowing fine-grained control over resource access.
Key Points:
- Ensures only authorized users can perform specific actions.
- Can be managed through command-line tools or graphical interfaces.
- Common in both Unix-like and Windows systems.
