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INetFwV6Mgr::IsPortGloballyOpen method

[The IPv6 Internet Connection Firewall is available for use in the operating systems specified in the Requirements section. Instead, use the Windows Firewall API.]

The IsPortGloballyOpen method returns VARIANT_TRUE if inbound connection attempts are allowed for the specified port and protocol (except on those connections that ignore the specified global port and protocol).

Syntax


HRESULT IsPortGloballyOpen(
  [in]   USHORT usPort,
  [in]   PORT_PROTOCOL Protocol,
  [out]  VARIANT_BOOL *pvbPortIsOpen
);

Parameters

usPort [in]

Defines port ID, in host byte order. Must be in the range 1 – 65535.

Protocol [in]

Defines protocol type.

pvbPortIsOpen [out]

Port status.

Return value

If the method succeeds the return value is S_OK.

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

Return codeDescription
E_ABORT

The operation was aborted.

E_FAIL

An unspecified error occurred.

E_INVALIDARG

The parameter is invalid.

E_NOINTERFACE

A specified interface is not supported.

E_NOTIMPL

A specified method is not implemented.

E_OUTOFMEMORY

The method is unable to allocate required memory.

E_UNEXPECTED

The method failed for unknown reasons.

 

Requirements

Minimum supported client

Windows XP with SP1 [desktop apps only]

Minimum supported server

None supported

End of client support

Windows XP with SP1

Redistributable

Advanced Networking Pack for Windows XP

Header

Netfwv6.h

DLL

Netfwv6.dll

See also

INetFwV6Mgr

 

 

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