Analyze access control policies

This task allows you to assess an access control policy before making changes, review policy health, or re-run analysis after policy updates.

If a policy has not been analyzed, you can start a new analysis. If the analysis is out of date, you can re-analyze the policy to refresh the results.

Note

When you create a new policy, it might take a while for the Policy Analyzer and Optimizer to fetch the policy details and show up on the Policy Analyzer and Optimizer. Click the refresh (The Policy Analyzer interface displays options for assessing and analyzing access control policies, including buttons for starting a new analysis and refreshing the results.) button on the top-right corner to manually refresh the page to see new policies.

Procedure


Step 1

Choose Insights & Reports > Policy Analyzer and Optimizer.

The image illustrates a flowchart detailing the steps involved in analyzing access control policies, highlighting key decision points and actions required for effective policy evaluation.

Step 2

In the right pane, select Cloud-delivered FMC or an On-Premises Firewall Management Center from the drop-down list as the data source whose policies you wish to analyze.

Step 3

In the Access Control area, select the policy you want to analyze or review.

Note
  • For an unanalyzed policy, click on Analyze Policies.

  • If the policy status indicates Analysis out of date, click on Re-analyze Policy under Analysis Actions on the right.

The Overall summary section displays the total number of rules categorized by their health status: healthy, disabled, or unhealthy, for the selected management center (Cloud-Delivered Firewall Management Center or On-Premises Firewall Management Center).

The dashboard also highlights specific anomalies within your unhealthy rules. You can review the count and percentage for the categories: Shadowed rules, Expired rules, Mergeable rules, Redundant rules, Partially overlapping rules, Fully overlapping objects.


The Policy Analyzer and Optimizer displays the analysis results, showing rule health status and identifying any policy anomalies that require attention.