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INetFwRule::Protocol property

Specifies the IP protocol of this rule.

This property is read/write.

Syntax


HRESULT put_Protocol(
  [in]   LONG protocol
);

HRESULT get_Protocol(
  [out]  LONG *protocol
);

Property value

The IP protocol.

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

This property is optional.

Also see the restrictions on changing properties described in the Remarks section of the INetFwRule interface page.

The Protocol property must be set before the LocalPorts or RemotePorts properties or an error will be returned.

A list of protocol numbers is available at the IANA website.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Netfw.h

DLL

FirewallAPI.dll

See also

INetFwRule

 

 

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