1.5 Ensure that security policies and operational procedures for managing firewalls are documented, in use, and known to all affected parties

PCI DSS v3.2.1 Questions and Answers Forum Build and Maintain a Secure Network and Systems
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1.5 Examine documentation and interview personnel to verify that security policies and operational procedures for managing firewalls are:
• Documented,
• In use, and
• Known to all affected parties.

Personnel need to be aware of and following security policies and operational procedures to ensure firewalls and routers are continuously managed to prevent unauthorized access to the network.