INetFwProfile::get_UnicastResponsesToMulticastBroadcastDisabled method (netfw.h)
[The Windows Firewall API is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. For Windows Vista and later, use of the Windows Firewall with Advanced Security API is recommended.]
Indicates whether the firewall should not allow unicast responses to multicast and broadcast traffic.
This property is read/write.
HRESULT get_UnicastResponsesToMulticastBroadcastDisabled( VARIANT_BOOL *disabled );
If a PC sends a broadcast packet, a unicast response is allowed for three seconds. Use this property to change this behavior.
|Minimum supported client||Windows Vista, Windows XP with SP2 [desktop apps only]|
|Minimum supported server||Windows Server 2003 with SP1 [desktop apps only]|
|DLL||FirewallAPI.dll; Hnetcfg.dll on Windows XP with SP2|