Cisco Cisco Firepower Management Center 2000 开发者指南

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页码 726
Version 5.3
Sourcefire 3D System eStreamer Integration Guide
198
Understanding Discovery & Connection Data Structures
Metadata for Discovery Events
Chapter 4
The 
 table describes the 
fields in the Security Intelligence Source/Destination record.
Discovery Event Header 5.2+
Discovery and connection event messages contain a discovery event header. It 
conveys the type and subtype of the event, the time the event occurred, the 
device on which the event occurred, and the structure of the event data in the 
message. This header is followed by the actual host discovery, user, or 
connection event data. The structures associated with the different event 
type/subtype values are described in 
page 205. This header has IPv6 support, and deprecates 
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
Header Version (1)
Message Type (4)
Message Length
Record Type (281)
Record Length
Security Intelligence Source/Destination ID
Security Intelligence Source/Destination Length
Security Intelligence Source/Destination...
Security Intelligence Source/Destination Record Fields 
F
IELD
D
ATA
 
T
YPE
D
ESCRIPTION
Security 
Intelligence 
Source/ 
Destination ID
uint32
The Security Intelligence source/destination ID 
number.
Security 
Intelligence 
Source/ 
Destination 
Length
uint32
The number of bytes included in the Security 
Intelligence source/destination.
Security 
Intelligence 
Source/ 
Destination
string
Whether the detected IP address is a source 
or destination IP address.