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PAN-SEC-020LowPAN-OS

Rule is redundant

At a glance

Base severity

Low

Area

Security Policies

Platform

PAN-OS

Evidence level

Derived0.95

Benchmark reference

Reads the export, not the device

ConfigProof reads a configuration export. This control is evaluated against the objects in that file, and it reports what the file says. It does not connect to the device and sees no traffic, so a finding here describes the configuration, not what the firewall is doing right now.

Why it matters

An earlier rule already matches everything this rule matches and takes the same action, so this rule changes nothing. It is pure review burden.

How to fix it

Web interface

The steps below are written for the web interface. A finding raised on your own export carries the same steps with your object names filled in.

  1. Confirm no logging or profile difference justifies keeping both rules.
  2. Delete the redundant rule.

Command line

PAN-OS CLI, standalone firewall, vsys1

set vsys vsys1 rulebase security rules <rule-to-keep> description "<why-this-rule-exists>"

An example. Values in angle brackets are yours to supply; a finding on your own export fills in the names it read. Nothing here commits. Review the candidate configuration, then commit it yourself.

Read it back

show vsys vsys1 rulebase security rules <object-name>
Values to fill in3
<object-name>
The object's name, as it appears on your firewall
<rule-to-keep>
The rule you are keeping
<why-this-rule-exists>
Why this rule exists
Before you type it1
  • Compare the two match sets before merging. The merged rule reaches the union of both.

How to confirm the fix

  • Confirm no logging or profile difference between the two rules justifies keeping both.

Limits

  • A redundant rule with different security profiles or logging is sometimes kept on purpose; those differences are listed in the finding.

Compliance references

No benchmark recommendation is mapped to this control in this version.

See it on your own firewall

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