struct _NETWORK_LAYER_FILTER
{
unsigned long m_dwUnionSelector;
union
{
IP_V4_FILTER m_IPv4;
IP_V6_FILTER m_IPv6;
};
};This structure represents network layer (OSI-7) filter level.
m_dwUnionSelector
Specifies which of the union members below is valid.
m_IPv4
IP version 4 filter
m_IPv6
IP version 6 filter