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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-FW-000007	WN12-FW-000007	WN12-FW-000007_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 domain connection will be set to ensure enough capacity is allocated for audit data.

STIG	Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-FW-000007_chk )
If the following 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\Logging\ Value Name: LogFileSize Type: REG_DWORD Value: 16384 (or greater) If the Windows Firewall is used and the system is not a member of a domain, the Domain Profile requirements can be marked NA. If a third-party firewall is used, verify a comparable setting has been implemented.

Check Text ( C-WN12-FW-000007_chk )

If the following 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\Logging\

Value Name: LogFileSize

Type: REG_DWORD
Value: 16384 (or greater)

If the Windows Firewall is used and the system is not a member of a domain, the Domain Profile requirements can be marked NA.

If a third-party firewall is used, verify a comparable setting has been implemented.

Fix Text (F-WN12-FW-000007_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 -> Logging (select Customize), "Size limit (KB):" to "16,384" (or greater). Configure a comparable setting if a third-party firewall is used.

Fix Text (F-WN12-FW-000007_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 -> Logging (select Customize), "Size limit (KB):" to "16,384" (or greater).

Configure a comparable setting if a third-party firewall is used.