The Windows Firewall with Advanced Security must display notifications when a program is blocked from receiving an inbound connection when connected to a domain.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17420	WNFWA-000006	SV-54866r1_rule	ECSC-1	Low

Description
A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. The display of notifications to the user when a program is blocked from receiving an inbound connection in the domain must be enabled to alert the user of potential issues.

STIG	Date
Windows Firewall with Advanced Security Security Technical Implementation Guide	2014-01-07

Details

Check Text ( C-48644r2_chk )
If the system is not a member of a domain, the Domain Profile requirements can be marked NA. Verify the registry value below. If this registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Microsoft\WindowsFirewall\DomainProfile\ Value Name: DisableNotifications Type: REG_DWORD Value: 0

Fix Text (F-47734r1_fix)
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) -> Domain Profile Tab -> Settings (select Customize) -> Firewall settings, "Display a notification" to "Yes".