Cisco Cisco Firepower Management Center 2000 Guia Do Programador

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B-96
FireSIGHT eStreamer Integration Guide
 
Appendix B      Understanding Legacy Data Structures 
  Legacy Connection Data Structures
Connection Statistics Data Block 5.1.1.x
The connection statistics data block is used in connection data messages. Changes to the connection data 
block between versions 5.1 and 5.1.1 include the addition of new fields to identify associated intrusion 
events. The connection statistics data block for version 5.1.1.x has a block type of 137. It deprecates 
block type 126, 
.
 For more information on the Connection Statistics Data message, see 
The following diagram shows the format of a Connection Statistics data block for 5.1.1:
::
Initiator IP Address
uint8[4]
IP address of the host that initiated the connection, in IP address 
octets.
Responder IP 
Address
uint8[4]
IP address of the host that responded to the initiating host, in IP 
address octets.
Start Time
uint32
The starting time for the connection chunk. 
Application ID
uint32
Application identification number for the application protocol 
used in the connection.
Responder Port
uint16
The port used by the responder in the connection chunk. 
Protocol
uint8
The protocol for the packet containing the user information. 
Connection Type
uint8
The type of connection. 
Source Device IP 
Address
uint8[4]
IP address of the NetFlow device that detected the connection, in 
IP address octets.
Packets Sent
uint32
The number of packets sent in the connection chunk. 
Packets Received
uint32
The number of packets received in the connection chunk. 
Bytes Sent
uint32
The number of bytes sent in the connection chunk. 
Bytes Received
uint32
The number of bytes received in the connection chunk. 
Connections
uint32
The number of connections made in the connection chunk. 
Table B-22
Connection Chunk Data Block Fields (continued)
Field
Data Type
Description
Byte
0
1
2
3
Bit
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Connection Data Block Type (137)
Connection Data Block Length
Device ID
Ingress Zone
Ingress Zone, continued