Cisco Cisco Firepower Management Center 4000 Entwickleranleitung

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

718

Understanding Legacy Data Structures

Legacy Host Data Structures

Appendix B

IP Range Specification Data Block for 4.7.x - 5.1.1.x

The IP Range Specification data block conveys a range of IP addresses. IP Range 

Specification data blocks are used in User Protocol, User Client Application, 

Address Specification, User Product, User Server, User Hosts, User Vulnerability, 

User Criticality, and User Attribute Value data blocks. The IP Range Specification 

data block has a block type of 61.
The following diagram shows the format of the IP Range Specification data block: 

Generic List 

Block Length

uint32

Number of bytes in the Generic List data block, 

including the list header and all encapsulated 

client application data blocks.

Client 

Application 

Data Blocks

uint32

Client application data blocks describing a 

client application. See 

 on page 331 for a 

description of this data block.

String Block 

Type

uint32

Initiates a string data block for the NetBIOS 

name. This value is set to 0 to indicate string 

data.

String Block 

Length

uint32

Indicates the number of bytes in the NetBIOS 

name data block, including eight bytes for the 

string block type and length, plus the number 

of bytes in the NetBIOS name.

NetBIOS 

String Data

Variable

Contains the NetBIOS name of the host 

described in the host profile.

Host Profile Data Block 5.1.x 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

IP Range Specification Block Type (61)

IP Range Specification Block Length

IP Range Start

IP Range End