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Cisco Cisco Firepower Management Center 2000 Guia Do Programador

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Version 5.3
Sourcefire 3D System eStreamer Integration Guide
277
Understanding Discovery & Connection Data Structures
Host Discovery and Connection Data Blocks
Chapter 4
Connection Chunk Data Block for 5.1.1+
The Connection Chunk data block conveys connection data. It stores connection 
log data that aggregates over a five-minute period. The Connection Chunk data 
block has a block type of 136 in the series 1 group of blocks. It supersedes block 
type 119. The following diagram shows the format of the Connection Chunk data 
block:
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 Chunk Block Type (136)
Connection Chunk Block Length
Initiator IP Address
Responder IP Address
Start Time
Application Protocol
Responder Port
Protocol
Connection Type
NetFlow Detector IP Address
Packets Sent
Packets Sent, continued
Packets Received
Packets Received, continued
Bytes Sent
Bytes Sent, continued
Bytes Received
Bytes Received, continued
Connections