Detections
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WNFWA-000025 - The Windows Firewall local connection rules must not be merged with Group Policy settings

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Information

WNFWA-000025 - The Windows Firewall with Advanced Security local connection rules must not be merged with Group Policy settings when connected to a public network.
 A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Local connection rules will not be merged with Group Policy settings on a public network to prevent Group Policy settings from being changed.

Solution

If the system is not a member of a domain, this is NA.

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Windows Firewall with Advanced Security -> Windows Firewall with Advanced Security -> Windows Firewall Properties (this link will be in the right pane) -> Public Profile Tab -> Settings (select Customize) -> Rule merging, 'Apply local connection security rules:' to 'No'.

See Also

http://iasecontent.disa.mil/stigs/zip/U_Windows_Firewall_V1R6_STIG.zip

Item Details

References: CAT|II, Rule-ID|SV-54918r3_rule, STIG-ID|WNFWA-000025, Vuln-ID|V-17443

Plugin: Windows

Control ID: 6666a12327a580eb7f470c1c0f9e95dfc4b9421f3bad3afe483771226463af8d