What is Access Control?
All users may not have permission to access all the resources in a system or network. A system should be able to allow or deny access to certain resources based on the identity or role of the user or the group the user belongs to. This can be managed using access control. Access control is the selective restriction of access to a resource based on the authenticated identity of the user or the properties of the request.
Access control deals with controlling access to a resource after a user has provided his credentials and the identity is verified. For example, a user or a group of users may have permission to access only a certain set of resources and may be restricted from the rest. It can be managed using access control.
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