2.2.1.2.184 IP_NAT_SESSION_MAPPING

The IP_NAT_SESSION_MAPPING structure holds information for a single NAT mapping and is part of IP_NAT_ENUMERATE_SESSION_MAPPINGS (section 2.2.1.2.183).

 typedef struct _IP_NAT_SESSION_MAPPING {
   UCHAR Protocol;
   ULONG PrivateAddress;
   USHORT PrivatePort;
   ULONG PublicAddress;
   USHORT PublicPort;
   ULONG RemoteAddress;
   USHORT RemotePort;
   IP_NAT_DIRECTION Direction;
   ULONG IdleTime;
 } IP_NAT_SESSION_MAPPING,
  *PIP_NAT_SESSION_MAPPING;

Protocol: This MUST be one of the following.

Value	Meaning
NAT_PROTOCOL_ICMP 0x01	ICMP Protocol
NAT_PROTOCOL_IGMP 0x02	IGMP Protocol
NAT_PROTOCOL_TCP 0x06	TCP Protocol
NAT_PROTOCOL_UDP 0x11	UDP Protocol
NAT_PROTOCOL_IP6IN4 0x29	IPv6 in IPv4
NAT_PROTOCOL_PPTP 0x2F	PPTP Protocol
NAT_PROTOCOL_IPSEC_ESP 0x32	IPSec ESP
NAT_PROTOCOL_IPSEC_AH 0x33	IPSec AH
NAT_PROTOCOL_PGM 0x71	PGM

PrivateAddress: The private address of the NAT entry.

PrivatePort: The private port of the NAT entry.

PublicAddress: The public address of the NAT entry.

PublicPort: The public port of the NAT entry

RemoteAddress: The remote address of the NAT entry.

RemotePort: The remote port of the NAT entry.

Direction: This MUST be IP_NAT_DIRECTION.

IdleTime: The time, in seconds, since the last packet matching this entry was sent or received.