Cisco Cisco Firepower Management Center 2000 Guía Del Desarrollador

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

273

Understanding Discovery & Connection Data Structures

Host Discovery and Connection Data Blocks

Chapter 4

Host IP Address Data Block

The Host IP Address data block conveys an individual IP address. The IP address 

may be either an IPv4 or IPv6 address. Host IP Address data blocks are used in 

User Protocol, Address Specification, and User Host data blocks. The Host IP data 

block has a block type of 143 in the series 1 group of blocks.
The following diagram shows the format of the Host IP Address data block: 

String Block 

Length

uint32

Number of bytes in the attribute name String 

data block, including eight bytes for the block 

type and length fields, plus the number of 

bytes in the attribute name.

Attribute 

Name

uint32

The name of the attribute.

Attribute Specification Data Block Fields (Continued)

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

Host IP Address Specification Block Type (143)

Host IP Address Block Length

IP Address

IP Address, continued

IP Address, continued

IP Address, continued

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