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When managing firewalls with Panorama, configurations can be pushed from Panorama templates to managed firewalls. However, there are scenarios where specific settings need to be overridden on the local firewall level due to unique requirements or exceptions.

B. The modification will not be visible in Panorama:

When an override is made directly on the firewall, this change is not automatically reflected back in Panorama's templates or device groups. The local configuration on the firewall will take precedence over the Panorama pushed configuration for the overridden settings, but these local changes will not be visible in the Panorama interface. This means that while Panorama maintains central control and visibility over the bulk of the configuration, it does not have visibility into local overrides made directly on the firewalls.

This distinction is crucial for auditors and administrators to understand, as it impacts how configurations are managed and synchronized between Panorama and the individual firewalls. Local overrides provide flexibility but require careful management to ensure consistency and compliance with security policies.

When administrative functions (licensing, updates) use a data plane interface, the firewall requires outbound connectivity to Palo Alto Networks servers (e.g., updates.paloaltonetworks.com) via that interface. If HTTPS/SSH work but licensing/updates fail, the issue is likely upstream blocking or misrouting. Validating upstream devices (Option B) ensures ports (e.g., 443) and destinations are accessible, resolving the issue.

When building Security rules in a Device Group that need to allow traffic to specific users and groups defined in Active Directory, it's essential to have user and group information available in Panorama to select these entities for the rules.

D. A master device with Group Mapping configured must be set in the device group where the Security rules are configured:

The concept of a "master device" in Panorama refers to a specific firewall that is designated to provide certain settings or information, such as user and group mappings from Active Directory, to Panorama. This information can then be used across other firewalls within the same device group.

By configuring Group Mapping on a master device, Panorama can leverage this information to populate user and group objects. These objects can then be used in Security rules within the device group, allowing for the creation of policies that are based on user identity and group membership, as defined in Active Directory.

This setup ensures that Panorama has the necessary context to apply user- and group-based policies accurately across the managed firewalls, facilitating centralized management and consistency in policy enforcement.

The Test Policy Match tool in Palo Alto Networks' management systems (such as Panorama or the firewall interface) allows administrators to simulate traffic against configured security policies. This tool is critical for ensuring that the correct policies are applied to specific traffic patterns and that no unintended access is granted.

Test Policy Match enables you to input parameters like source IP, destination IP, application, user, and more, and the system will determine which policy would apply.

It is especially useful for verifying the device-group hierarchy in multi-tenant or Panorama-managed environments, ensuring that inherited or overridden rules are correctly applied.

The tool also helps to proactively check that traffic will be blocked or allowed as intended, reducing misconfigurations and preventing unwanted traffic.

A. Preview Changes: This feature is used to review configuration changes before committing them but does not simulate or validate policy matches.

B. Managed Devices Health: This option is related to checking the health and connectivity status of managed devices, not policies.

D. Policy Optimizer: This tool is used to refine existing security policies by identifying overly permissive rules or unused objects, not for testing specific traffic matches.

Key Points:Why not the other options?The Test Policy Match tool is the most appropriate choice for the scenario described.