Cisco Cisco Firepower Management Center 4000 Guía Del Desarrollador
Version 5.3
Sourcefire 3D System eStreamer Integration Guide
247
Understanding Discovery & Connection Data Structures
Host Discovery and Connection Data Blocks
Chapter 4
VLAN Data Block
The VLAN data block contains VLAN tag information for a host. The VLAN data
block has a block type of 14 in the series 1 group of blocks.The following diagram
shows the format of the VLAN data block:
String Block
Length
uint32
Number of bytes in the String data block
containing the sub-server name, including eight
bytes for the String block type and length fields,
plus the number of bytes in the sub-server name.
Sub-Server
string
Contains the name of the sub-server affected by
the listed vulnerabilities.
List Block
Type
uint32
Initiates a list that contains zero or more VDB
vulnerability ID numbers encapsulated in Integer
data blocks.
List Block
Length
uint32
Number of bytes in the vulnerability ID list,
including eight bytes for the list block type and
length fields, plus the number of bytes in the
encapsulated Integer data blocks.
(Vulnerability
ID) Integer
Data Blocks
variable
Contains zero or more Integer data blocks
containing vulnerability identification numbers.
See
the data fields that appear in an Integer data
block.
Vulnerability Reference Data Block Fields (Continued)
F
IELD
D
ATA
T
YPE
D
ESCRIPTION
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
VLAN Block Type (14)
VLAN Block Length
VLAN ID
VLAN Type
VLAN Priority