Cisco Cisco Firepower Management Center 2000 开发者指南

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

534

Understanding Legacy Data Structures

Legacy Discovery Data Structures

Appendix B

Server Information Data Block for 4.9.1 and Earlier

The Server Information data block conveys information about a server, including 

the server ID, server vendor and version, and source information. The Server 

Information data block has a block type of 88. Server information data blocks are 

conveyed in lists within host server and full server data blocks. For more 

information see 

 on page 516 and 

The following diagram shows the format of the Server Information data block:

List Block 

Length

uint32

Number of bytes in the list. This number 

includes the eight bytes of the list block type 

and length fields, plus all encapsulated Server 

data blocks. 
This field is followed by zero or more Full Sub-

Server data blocks.

Full Sub-Server 

Block Type

uint32

Initiates the first Full Sub-Server data block. 

This data block can be followed by other Full 

Sub-Server data blocks up to the limit defined 

in the list block length field.

Full Sub-Server 

Block Length

uint32

Total number of bytes in each Sub-Server data 

block, including the eight bytes in the Full Sub-

Server block type and length fields, plus the 

number of bytes of data that follows.

Full Sub-Server 

Data Blocks *

variable

Full Sub-Server data blocks containing sub-

servers for the server. See 

 on page 529 for a description 

of this data block.

Generic List 

Block Type

uint32

Initiates a Generic List data block. This value is 

always 31.

Generic List 

Block Length

uint32

Number of bytes in the Generic List block and 

encapsulated Web Application data blocks. This 

number includes the eight bytes of the generic 

list block header fields, plus the number of 

bytes in all of the encapsulated Web 

Application data blocks.

Web 

Application 

Data Blocks

variable

Encapsulated Web Application data blocks up 

to the maximum number of bytes in the list 

block length.

Full Server Data Block 4.9.1.x Fields (Continued)