This option is useful if you need to control whether this computer receives unicast responses to its outgoing multicast or broadcast messages. Countermeasure: Disable this setting to prevent the client from receiving unicast responses. Potential Impact: If you enable this setting and this computer sends multicast or broadcast messages to other computers, Windows Firewall with Advanced Security waits as long as three seconds for unicast responses from the other computers and then blocks all later responses. If you disable this setting and this computer sends a multicast or broadcast message to other computers, Windows Firewall with Advanced Security blocks the unicast responses sent by those other computers. [no/yes] (1) GPO: Computer Configuration\\Windows Settings\\Security Settings\\Windows Firewall with Advanced Security\\Windows Firewall with Advanced Security\\Windows Firewall Properties\\Domain Profile\\Windows Firewall: Domain: Allow unicast response (2) REG: HKEY_LOCAL_MACHINE\\Software\\Policies\\Microsoft\\WindowsFirewall\\DomainProfile!DisableUnicastResponsesToMulticastBroadcast oval:gov.nist.USGCB.xpfirewall:def:5011 HIPAA/HITECH Act Jericho Forum BITS Shared Assessments SIG v6.0 FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL-- ISO/IEC 27001-2005 COBIT 4.1 GAPP (Aug 2009) NERC CIP NIST SP800-53 R3 SC-5 NIST SP800-53 R3 SC-7 PCIDSS v2.0 FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL-- BITS Shared Assessments AUP v5.0 SCAP Repo OVAL Definition 2012-04-13 HIPAA/HITECH Act 2012-10-12 Jericho Forum 2012-10-12 BITS Shared Assessments SIG v6.0 2012-10-12 ISO/IEC 27001-2005 2012-10-12 COBIT 4.1 2012-10-12 GAPP (Aug 2009) 2012-10-12 NERC CIP 2012-10-12 NIST SP800-53 R3 2012-10-12 PCIDSS v2.0 2012-10-12 BITS Shared Assessments AUP v5.0 2012-10-12