Cisco Cisco Firepower Management Center 2000 Entwickleranleitung

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

266

Understanding Discovery & Connection Data Structures

Host Discovery and Connection Data Blocks

Chapter 4

User Client Application Data Block for 5.1.1+

The User Client Application data block contains information about the source of 

the client application data, the identification number for the user who added the 

data, and the lists of IP address range data blocks. The payload ID, which was 

added in Version 5.3, specifies the application instance associated with the 

record. The User Client Application data block has a block type of 138 in the series 

1 group of blocks. It replaces block type 59.

Generic List 

Block Length

uint32

Number of bytes in the Generic List data block, 

including the list header and all encapsulated IP 

Range Specification data blocks.

IP Range 

Specification 

Data Blocks *

variable

IP Range Specification data blocks containing 

information about the IP address ranges for the 

user input. See 

 on page 270 for a description of this data 

block.

Generic List 

Block Type

uint32

Initiates a Generic List data block comprising 

MAC Range Specification data blocks conveying 

MAC address range data. This value is always 31.

Generic List 

Block Length

uint32

Number of bytes in the Generic List data block, 

including the list header and all encapsulated 

MAC Range Specification data blocks.

MAC Range 

Specification 

Data Blocks *

variable

MAC Range Specification data blocks containing 

information about the MAC address ranges for 

the user input. See 

 on page 274 for a description of this 

data block.

Protocol Type

uint8

Indicates the type of the protocol. The protocol 

can be either 

0

, for a network layer protocol such 

as IP, or 

1

 for a transport layer protocol such as 

TCP or UDP.

Protocol

uint16

Indicates the protocol for the data contained in 

the data block.

User Protocol Data Block Fields (Continued)