Track Rules Within a Rulebase

To keep track of rules within a rulebase, you can refer to the
rule number
, which changes depending on the order of a rule in the rulebase. The rule number determines the order in which the firewall applies the rule.
The
universally unique identifier (UUID)
for a rule never changes even if you modify the rule, such as when you change the rule name. The UUID allows you to track the rule across rulebases even after you deleted the rule.

Rule Numbers

The firewall automatically numbers each rule within a rulebase; when you move or reorder rules, the numbers change based on the new order. When you filter the list of rules to find rules that match specific criteria, the firewall display each rule with its number in the context of the complete set of rules in the rulebase and its place in the evaluation order.
Panorama independently numbers pre-rules, post-rules, and default rules. When Panorama pushes rules to a firewall, the rule numbering reflects the hierarchy and evaluation order of shared rules, device group pre-rules, firewall rules, device group post-rules, and default rules. You can
Preview Rules
in Panorama to display an ordered list of the total number of rules on a firewall.
  • View the numbered list of rules on the firewall.
    Select
    Policies
    and any rulebase under it. For example,
    Policies
    Security
    . The left-most column in the table displays the rule number.
    numbered-rules-managed-device.PNG
  • View the numbered list of rules on Panorama.
    Select
    Policies
    and any rulebase under it. For example,
    Policies
    Security
    Pre-rules
    .
    Panorama-view.PNG
  • After you push the rules from Panorama, view the complete list of rules with numbers on the firewall.
    From the web interface on the firewall, select
    Policies
    and pick any rulebase under it. For example, select
    Policies
    Security
    and view the complete set of numbered rules that the firewall will evaluate.
    numbered-rules-full.png

Rule UUIDs

The universally unique identifier (UUID) for a rule is a 32-character string (based on data such as the network address and the timestamp of creation) that the firewall or Panorama assigns to the rule. The UUID uses the format 8-4-4-4-12 (where 8, 4, and 12 represent the number of unique characters separated by hyphens). UUIDs identify rules for all policy rulebases. You can also use UUIDs to identify applicable rules in the following log types: Traffic, Threat, URL Filtering, WildFire Submission, Data Filtering, GTP, SCTP, Tunnel Inspection, Configuration, and Unified.
Using the UUID to search for a rule enables you to locate a specific rule you want to find among thousands of rules that may have similar or identical names. UUIDs also simplify automation and integration for rules in third-party systems (such as ticketing or orchestration) that do not support names.
In some cases, you may need to generate new UUIDs for existing rulebases. For example, if you want to export a configuration to another firewall, you need to
regenerate the UUIDs
for the rules as you import the configuration to ensure there are no duplicate UUIDs. If you regenerate UUIDs, you are no longer able to track those rules using their previous UUIDs and the hit data and app usage data for those rules are reset.
The firewall or Panorama assigns UUIDs when you:
  • Create new rules
  • Clone existing rules
  • Override the default security rules
  • Load a named configuration and regenerate UUIDs
  • Load a named configuration containing new rules that are not in the running configuration
  • Upgrade the firewall or Panorama to a PAN-OS 9.0 release
When you load a configuration that contains rules with UUIDs, the firewall considers rules to be the same if the rule name, rulebase, and virtual system all match. Panorama considers rules to be the same if the rule name, rulebase, and the device group all match.
Keep in mind the following important points for UUIDs:
  • If you manage firewall policy from Panorama, UUIDs are generated on Panorama and therefore must be pushed from Panorama. If you do not push the configuration from Panorama prior to upgrading the firewalls to PAN-OS 9.0, the firewall upgrade will not succeed because it will not have the UUIDs.
  • In addition, if you are upgrading an HA pair, upon upgrade to PAN-OS 9.0, each peer independently assigns UUIDs for each policy rule. Because of this, the peers will show as out of sync until you sync the configuration (
    Dashboard
    Widgets
    System
    High Availability
    Sync to peer
    ).
  • If you remove an existing high availability (HA) configuration after upgrading to PAN-OS 9.0, you must regenerate the UUIDs on one of the peers (
    Device
    Setup
    Operations
    Load named configuration snapshot
    Regenerate UUIDs for the selected named configuration
    ) and commit the changes to prevent UUID duplication.
  • All rules pushed from Panorama will share the same UUID; all rules local to a firewall will have different UUIDs. If you create a rule locally on the firewall after you push the rules from Panorama to the firewalls, the rule you created locally has its own UUID.
  • To replace an RMA Panorama, make sure you
    Retain Rule UUIDs
    when you load the named Panorama configuration snapshot. If you do not select this option, Panorama removes all previous rule UUIDs from the configuration snapshot and assigns new UUIDs to the rules on Panorama, which means it does not retain information associated with the previous UUIDs, such as the policy rule hit count.
  • Display the Rule UUID column for logs and the UUID column for policy rules.
    To view the UUIDs, you must display the column, which does not display by default.
    • To display the UUID in logs:
      1. Select
        Monitor
        and then expand the column header ( column-arrow.png ).
      2. Select
        Columns
        .
      3. Enable
        Rule UUID
        .
        column-rule-uuid.png
    • To display UUIDs on the policy rulebase:
      1. Select
        Policies
        and then expand the column header ( column-arrow.png ).
      2. Select
        Columns
        .
      3. Enable
        UUID
        .
        UUIDs are available for all policy rulebases.
        column-uuid.png
  • Copy the UUID for a log or policy rule.
    Copying the UUID allows you to paste the UUID in to searches, the ACC, custom reports, filters, and anywhere else you want to locate a rule identified by that UUID.
    1. Select the ellipses that display when you move your cursor over the entry in the Rule UUID column.
      copy-rule-uuid-ellipses.png
    2. Copy the UUID from the pop-up.
      copy-rule-uuid-pop-up.png
      You can also go to the
      Policies
      tab, click the arrow to the right of the rule name, and
      Copy UUID
      .
      policies-copy-uuid.png
  • Check the Configuration Logs to view UUIDs for deleted rules.
    To view the UUID for a deleted rule, select
    Monitor
    Logs
    Configuration
    .

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