Cisco Cisco Firepower Management Center 4000 Entwickleranleitung

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

179

Understanding Discovery & Connection Data Structures

Metadata for Discovery Events

Chapter 4

The 

 table describes the fields in the Criticality record.

Network Protocol Record

The eStreamer service transmits metadata containing network protocol 

information for an event within a Network Protocol record, the format of which is 

shown below. (Network protocol information is sent when one of the metadata 

flags—bits 1, 14, 15, or 20 in the Request Flags field of a request message—is 

set. See 

 on page 30.) Note that the Record Type field, which 

appears after the Message Length field, has a value of 59, indicating a Network 

Protocol record.

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

Header Version (1)

Message Type (4)

Message Length

Record Type (58)

Record Length

Criticality ID

Name Length

Name...

Criticality Record Fields 

Criticality ID

uint32

The criticality ID number.

Name Length

uint32

The number of bytes included in the criticality 

level.

Name

string

The criticality level.