IFWXFirewall Interface

The IFWXFirewall interface provides application filter access to Microsoft Firewall service functions that are not tied to any specific user session.

The Firewall service implements this interface and passes it to the IFWXFilter::FilterInit method.

interface IFWXFirewall : IUnknown

The IFWXFirewall interface inherits the methods of the IUnknown interface.

In addition, IFWXFirewall defines the following methods.

Method	Description
HookToCompletionPort	Associates a handle with the Firewall service completion port.
CreateOverlapped	Creates an overlapped object that supports the IFWXOverlapped interface for use with handles hooked to the completion port with the HookToCompletionPort method.
CreateNetworkSocket	Creates a socket object that works with the dynamic packet filtering scheme.
CreateConstBuffer	Creates a buffer object that wraps a user-supplied memory buffer.
CreateBuffer	Creates (allocates) a buffer object of the given size.
CreateWindowBuffer	Creates a buffer object that represents a window inside another buffer.
CreateIpFilter	Creates an IP filter object that implements the IFWXIpFilter interface.
StartHeavyBlockingOperation	Notifies the Firewall service that a thread is busy with a lengthy blocking operation.
EndHeavyBlockingOperation	Notifies the Firewall service that a lengthy blocking operation has ended.
GetClientSession	Retrieves or, if necessary, creates a session object for a specified client address.
CreatePrivateSession	Creates a private session object for a given client.
GetHostByName	Retrieves host information corresponding to a host name.
GetHostByAddr	Retrieves host information corresponding to an address.

Server	Requires Windows Server 2008.
Version	Requires Forefront Threat Management Gateway (TMG).
Header	Declared in Wspfwext.idl.