Cisco Cisco Firepower Management Center 2000 Guia Do Programador

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

251

Understanding Discovery & Connection Data Structures

Host Discovery and Connection Data Blocks

Chapter 4

Attribute Address Data Block 5.2+

The Attribute Address data block contains an attribute list item and is used within 

an Attribute Definition data block. It has a block type of 146 in the series 1 group 

of blocks.
The following diagram shows the basic structure of an Attribute Address data 

block:

The 

 table describes the fields of the 

Attribute Address 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

Attribute Address Block Type (146)

Attribute Address Block Length

Attribute ID

IP Address

IP Address, continued

IP Address, continued

IP Address, continued

Bits

Attribute Address Data Block 5.2+ Fields 

Attribute 

Address 

Block Type

uint32

Initiates an Attribute Address data block. This 

value is always 146.

Attribute 

Address 

Block Length

uint32

Number of bytes in the Attribute Address data 

block, including eight bytes for the attribute 

address block type and length, plus the number 

of bytes in the attribute address data that follows.

Attribute ID

uint32

Identification number of the affected attribute, if 

applicable.