Windows Firewall Domain Profile - Inbound Connections

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17418	5.453	SV-18474r1_rule	ECSC-1	High

Description
Unsolicited inbound connections for which there is no rule allowing the connection will be blocked in the domain.

STIG	Date
Windows Vista Security Technical Implementation Guide	2012-07-02

Details

Check Text ( C-18133r1_chk )
If the following registry value doesn’t exist or is not configured as specified, then this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\WindowsFirewall\DomainProfile\ Value Name: DefaultInboundAction Type: REG_DWORD Value: 1 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. Note: If the system in not a member of a domain, the Domain Profile requirements can be marked Not Applicable.

Check Text ( C-18133r1_chk )

If the following registry value doesn’t exist or is not configured as specified, then this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \Software\Policies\Microsoft\WindowsFirewall\DomainProfile\

Value Name: DefaultInboundAction

Type: REG_DWORD
Value: 1

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.

Note: If the system in not a member of a domain, the Domain Profile requirements can be marked Not Applicable.

Fix Text (F-17330r1_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 -> State, “Inbound Connections” to “Block (default)”.