Cisco Cisco Firepower Management Center 4000 Developer's Guide
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FireSIGHT eStreamer Integration Guide
Chapter 4 Understanding Discovery & Connection Data Structures
Host Discovery and Connection Data Blocks
The following diagram shows the format of the IP Address Range data block:
The following table describes the components of the IP Address Range Specification data block.
Attribute Specification Data Block
The Attribute Specification data block conveys the attribute name and value. The Attribute Specification
data block has a block type of 62 in the series 1 group of blocks.
data block has a block type of 62 in the series 1 group of blocks.
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
IP Address Range Block Type (141)
IP Address Range Block Length
IP Address Range Start
IP Address Range Start, continued
IP Address Range Start, continued
IP Address Range Start, continued
IP Address Range End
IP Address Range End, continued
IP Address Range End, continued
IP Address Range End, continued
Table 4-49
IP Address Range Data Block Fields
Field
Data Type
Description
IP Address Range
Block Type
Block Type
uint32
Initiates a IP Address Range data block. This value is always
61
.
IP Address Range
Block Length
Block Length
uint32
Total number of bytes in the IP Address Range data block, including
eight bytes for the IP Address Range block type and length fields,
plus the number of bytes of IP Address Range data that follows.
eight bytes for the IP Address Range block type and length fields,
plus the number of bytes of IP Address Range data that follows.
IP Address Range
Start
Start
uint8[16]
The starting IP address for the IP address range.
IP Address Range
End
End
uint8[16]
The ending IP address for the IP address range.