How Application Protocols Combine with Composite Destinations
Secure Access uses boolean logic to combine the composite destinations on a rule with Services. Services are groups of transport protocols and port or port ranges.

- First, Secure Access combines the individual composite destinations (IP addresses or CIDR blocks) together with the OR operator.
- Next, Secure Access combines each set of selected Service components together with the AND operator. Transport protocols are ANDed with the ports or port ranges.
- Next, Secure Access combines the Services together with the OR operator.
- Then, Secure Access combines the set of composite destinations with the set of Services using the AND operator.
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Secure Access does not support logical AND when combining pre-configured application lists, application categories, or destination lists. |