The ArubaOS firewall determines which rules to apply to a specific client's traffic based on the rules in policies associated with the client's user role. User roles are a fundamental part of ArubaOS and the firewall policies they encompass. These roles contain policies that dictate permissions and restrictions for network traffic. When a client authenticates, it is assigned a role, and the firewall enforces the rules defined within that role for the client's traffic.

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ArubaOS firewall and user role configuration guides that explain the role-based access control and firewall policy enforcement.

Industry best practices for network access control that advocate for role-based enforcement mechanisms.