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INetFwPolicy2::UnicastResponsesToMulticastBroadcastDisabled property

Indicates whether the firewall should not allow unicast responses to multicast and broadcast traffic.

This property is read/write.

Syntax


' Data type: Boolean

.UnicastResponsesToMulticastBroadcastDisabled( _
  ByVal profileType, _
  ByRef disabled, _
  ByVal profileType, _
  ByVal disabled _
) As Boolean

Property value

True if the firewall should not allow unicast responses to multicast and broadcast traffic.

Error codes

If the method succeeds, the return value is S_OK.

If the method fails, the return value is one of the following error codes.

NameMeaning
E_ACCESSDENIED

The operation was aborted due to permissions issues.

E_INVALIDARG

The method failed due to an invalid parameter.

E_OUTOFMEMORY

The method was unable to allocate required memory.

E_POINTER

The method failed due to an invalid pointer.

Remarks

If a computer sends a broadcast packet, a unicast response is allowed for three seconds. Use this property to change this behavior.

When you pass a profile type obtained from the CurrentProfileTypes property (get_CurrentProfileTypes), make sure that you pass only one profile type to get_UnicastResponsesToMulticastBroadcastDisabled and put_UnicastResponsesToMulticastBroadcastDisabled. Note that get_CurrentProfileTypes can return multiple profiles.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

FirewallAPI.h

DLL

Wfapi.dll

See also

INetFwPolicy2

 

 

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