Руководство Разработчика для Cisco Cisco Firepower Management Center 4000
Version 5.3
Sourcefire 3D System eStreamer Integration Guide
573
Understanding Legacy Data Structures
Legacy Discovery Data Structures
Appendix B
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 Protocol
data blocks.
This field is followed by zero or more Protocol
This field is followed by zero or more Protocol
data blocks.
Protocol Block
Type
uint32
Initiates a Protocol data block describing a
network protocol. This value is always 4.
Protocol Block
Length
uint32
Number of bytes in the Protocol data block,
including eight bytes for the protocol block type
and length fields, plus the number of bytes in
the protocol data that follows.
Network
Protocol Data
uint16
Data field containing a network protocol
number, as documented in
List Block Type
uint32
Initiates a List data block comprising Protocol
data blocks conveying transport protocol data.
This value is always 11.
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 Protocol
data blocks.
This field is followed by zero or more transport
This field is followed by zero or more transport
protocol data blocks.
Protocol Block
Type
uint32
Initiates a Protocol data block describing a
transport protocol. This value is always 4.
Protocol Block
Length
uint32
Number of bytes in the protocol data block,
including eight bytes for the protocol block type
and length, plus the number of bytes in the
protocol data that follows.
Transport
Protocol Data
variable
Data field containing a transport protocol
number, as documented in
List Block Type
uint32
Initiates a List data block comprising MAC
Address data blocks. This value is always 11.
Host Profile Data Block for 4.9 - 5.0.2 Fields (Continued)
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