The Windows Firewall log size must be configured for the Public Profile.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN08-FW-000027	WN08-FW-000027	WN08-FW-000027_rule		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 public network connection will be set.

STIG	Date
Windows 8 Security Technical Implementation Guide	2012-11-21

Details

Check Text ( C-WN08-FW-000027_chk )
If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\WindowsFirewall\PublicProfile\Logging\ Value Name: LogFileSize Type: REG_DWORD Value: 16,384 (or greater) Note: If a third-party firewall is used, document this with the IAO and mark the Windows firewall settings as Not Applicable. The Desktop/Secure Remote Computing STIGs contain additional requirements for systems used remotely.

Check Text ( C-WN08-FW-000027_chk )

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \Software\Policies\Microsoft\WindowsFirewall\PublicProfile\Logging\

Value Name: LogFileSize

Type: REG_DWORD
Value: 16,384 (or greater)

Note: If a third-party firewall is used, document this with the IAO and mark the Windows firewall settings as Not Applicable. The Desktop/Secure Remote Computing STIGs contain additional requirements for systems used remotely.

Fix Text (F-WN08-FW-000027_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) -> Public Profile Tab -> Logging (select Customize), "Size limit (KB)" to "16,384" (or greater).