What is the primary function of the downloadable access control list in a Cisco ISE policy?

The primary function of the downloadable access control list (dACL) in a Cisco Identity Services Engine (ISE) policy is to define user access rights. In the context of network access control, dACLs are used to specify what resources a user or device is permitted to access after they have been authenticated. When users connect to the network, the ISE evaluates their credentials, user roles, and any applicable policies, which then leads to the assignment of a specific dACL. This list empowers administrators to enforce granular security policies by permitting or denying access to certain network resources based on the user's identity or endpoint characteristics.

By utilizing dACLs, organizations can effectively manage and control access to their network, ensuring that users only have access to the resources necessary for their roles while maintaining a secure and compliant network environment. This implementation is crucial for adhering to security protocols and regulations, as well as minimizing the risk of unauthorized access.