XP Firewall Domain Profile – Unicast Response

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17399	5.411	SV-18455r1_rule	ECSC-1	Medium

Description
The receipt of unicast responses to outgoing multicast or broadcast messages will be blocked when connected to the domain.

STIG	Date
Windows XP Security Technical Implementation Guide	2012-08-22

Details

Check Text ( C-18106r1_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: DisableUnicastResponsesToMulticastBroadcast Type: REG_DWORD Value: 1 Note: If a 3rd 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. The XP Firewall does not meet the requirements for personal firewalls from the Desktop/Secure Remote Computing STIGs. Note: If the system in not a member of a Domain, the Domain Profile requirements can be marked Not Applicable.

Check Text ( C-18106r1_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: DisableUnicastResponsesToMulticastBroadcast
Type: REG_DWORD
Value: 1

Note: If a 3rd 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. The XP Firewall does not meet the requirements for personal firewalls from the Desktop/Secure Remote Computing STIGs.

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

Fix Text (F-17303r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Network Connections -> Windows Firewall -> Domain Profile “Windows Firewall: Prohibit unicast response to multicast or broadcast requests” to “Enabled”