Microsoft Internet Security and Acceleration Server 2000


A filter must implement the IFWXDataFilter interface to hook into the data pump of the Firewall service.

Note  When you use IFWXDataFilter, consider possible threading issues. For more information, see Best Practices.

Methods in Vtable Order

IUnknown Methods Description
QueryInterface Returns pointers to supported interfaces.
AddRef Increments the reference count.
Release Decrements the reference count.

IFWXDataFilter Methods Description
SetSockets Gives the data filter the socket interfaces it should use.
Detach Orders the data filter to release the references it holds to the sockets.


This interface is implemented by the application filter.


  Windows NT/2000: Requires Windows 2000.
  Version: Requires ISA Server 2000.
  Header: Wspfwext.idl.