IFPCLowLevelSettings::DnsCacheNegativeTtl property

Applies to: desktop apps only

The DnsCacheNegativeTtl property gets or sets the TTL, in seconds, of entries for unsuccessful lookups in the DNS cache.

This property is read/write.

Syntax

HRESULT put_DnsCacheNegativeTtl(
  long lTTL
);

HRESULT get_DnsCacheNegativeTtl(
  long *plTTL
);

' Data type: Long

Property DnsCacheNegativeTtl( _
  ByVal lTTL As long, _
  ByVal plTTL As long _
) As Long

Property value

A 32-bit integer that specifies the TTL, in seconds, of entries for unsuccessful lookups in the DNS cache.

Error codes

These property methods return S_OK if the call is successful; otherwise, they return an error code.

Remarks

This property is read/write. Its default value is 300 seconds (5 minutes).

After the value of this property has been modified, the change must be written to persistent storage by calling the Save method on an object containing FPCLowLevelSettings as a subobject, and the Microsoft Firewall service must be restarted for the change to take effect. For more information about restarting the Firewall service to apply changes, see Restarting Services After Configuration Changes.

This property cannot be accessed through Forefront TMG Management.

Requirements

See also

FPCLowLevelSettings

Build date: 7/12/2010