Windows
Where Are Windows Firewall Rules Stored?
Windows Firewall rules registry (FirewallPolicy) plus the wf.msc console that should edit them.
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Firewall rules live in the registry under the FirewallPolicy tree, split into Domain, Public and Standard profiles. The wf.msc console edits these values.
Binary blobs make raw reading painful. Rules store as delimited strings; export via policy tools instead of regedit spelunking.
Where Windows stores this, by platform
Windows
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy
Holds FirewallRules values per profile. Manage through wf.msc or netsh advfirewall; raw edits need reboots and skip validation.
Frequently asked questions
How do I manage firewall rules properly?
Use wf.msc (Windows Defender Firewall with Advanced Security) or netsh advfirewall. Raw registry edits skip validation and need reboots; the tools apply immediately and safely.
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