Firewall policy & compliance terms, defined.
A working reference for the language of network security policy management — written for the people who have to prove it.
Firewall audit
A firewall audit is a structured review of firewall rules, objects, and changes to confirm they enforce least-privilege access, match approved policy, and satisfy the controls a regulator or standard requires.
Read the definition →NSPM (Network Security Policy Management)
Network Security Policy Management (NSPM) is the discipline of centrally analyzing, optimizing, governing, and auditing firewall and security-group policy across every vendor and environment from a single source of truth.
Read the definition →Shadowed firewall rule
A shadowed firewall rule is a rule that can never match traffic because a broader rule earlier in the evaluation order already handles every packet it would have caught — making it dead, misleading, and a source of audit noise.
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