Cisco Cisco Firepower Management Center 4000 Entwickleranleitung

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B-83
FireSIGHT eStreamer Integration Guide
 
Appendix B      Understanding Legacy Data Structures
  Legacy Connection Data Structures
Connection Statistics Data Block 5.1
The Connection Statistics data block is used in Connection Data messages. Changes to the Connection 
data block between 5.0.2 and 5.1 include the addition of new fields with configuration parameters 
introduced in 5.1 (rule action reason, monitor rules, Security Intelligence source/destination, Security 
Intelligence layer). The Connection Statistics data block for version 5.1 has a block type of 126.
For more information on the Connection Statistics Data message, see 
The following diagram shows the format of a Connection Statistics data block for 5.1:
::
String Block 
Type
uint32
Initiates a String data block for the host NetBIOS name. This value is 
always 
0
.
String Block 
Length
uint32
Number of bytes in the String data block, including eight bytes for the 
string block type and length fields, plus the number of bytes in the 
NetBIOS name string.
NetBIOS Name
string
Host NetBIOS name string.
String Block 
Type
uint32
Initiates a String data block for the client application version. This 
value is always 
0
.
String Block 
Length
uint32
Number of bytes in the String data block for the client application 
version, including eight bytes for the string block type and length, plus 
the number of bytes in the version.
Client 
Application 
Version
string
Client application version.
Table B-19
Connection Statistics Data Block 5.0 - 5.0.2 Fields (continued)
Field
Data Type
Description
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
Connection Data Block Type (126)
Connection Data Block Length
Device ID
Ingress Zone
Ingress Zone, continued
Ingress Zone, continued
Ingress Zone, continued
Egress Zone