The Windows Firewall with Advanced Security log size must be configured for private network connections.

The Windows Firewall with Advanced Security log size must be configured for private network connections.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17435	WNFWA-000017	SV-54903r1_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 firewall log file size for a private connection will be set to ensure enough capacity is allocated for audit data.

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

Details

Check Text ( C-48662r2_chk )
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\PrivateProfile\Logging\ Value Name: LogFileSize Type: REG_DWORD Value: 0x00004000 (16384) (or greater)

Fix Text (F-47771r1_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) -> Private Profile Tab -> Logging (select Customize), "Size limit (KB)" to "16,384" (or greater).