Cisco Cisco Firepower Management Center 2000 Guía Del Desarrollador

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B-100
FireSIGHT eStreamer Integration Guide
 
Appendix B      Understanding Legacy Data Structures 
  Legacy Connection Data Structures
Table B-23
Connection Statistics Data Block 5.1.1.x Fields 
Field
Data Type
Description
Connection 
Statistics Data 
Block Type
uint32
Initiates a Connection Statistics data block for 5.1.1.x. The value 
is always 
137
.
Connection 
Statistics Data 
Block Length
uint32
Number of bytes in the Connection Statistics data block, including 
eight bytes for the connection statistics block type and length 
fields, plus the number of bytes in the connection data that 
follows.
Device ID
uint32
The device that detected the connection event.
Ingress Zone
uint8[16]
Ingress security zone in the event that triggered the policy 
violation.
Egress Zone
uint8[16]
Egress security zone in the event that triggered the policy 
violation.
Ingress Interface
uint8[16]
Interface for the inbound traffic.
Egress Interface
uint8[16]
Interface for the outbound traffic.
Initiator IP 
Address
uint8[16]
IP address of the host that initiated the session described in the 
connection event, in IP address octets.
Responder IP 
Address
uint8[16]
IP address of the host that responded to the initiating host, in IP 
address octets.
Policy Revision
uint8[16]
Revision number of the rule associated with the triggered 
correlation event, if applicable.
Rule ID
uint32
Internal identifier for the rule that triggered the event, if 
applicable.
Rule Action
uint16
The action selected in the user interface for that rule (allow, block, 
and so forth).
Rule Reason
uint16
The reason the rule triggered the event.
Initiator Port
uint16
Port used by the initiating host.
Responder Port
uint16
Port used by the responding host.
TCP Flags
uint16
Indicates any TCP flags for the connection event.
Protocol
uint8
The IANA-specified protocol number.
NetFlow Source
uint8[16]
IP address of the NetFlow-enabled device that exported the data 
for the connection.
Instance ID
uint16
Numerical ID of the Snort instance on the managed device that 
generated the event.
Connection 
Counter
uint16
Value used to distinguish between connection events that happen 
during the same second.
First Packet 
Timestamp
uint32
UNIX timestamp of the date and time the first packet was 
exchanged in the session.
Last Packet 
Timestamp
uint32
UNIX timestamp of the date and time the last packet was 
exchanged in the session.