Traffic Log Fields
Format:FUTURE_USE, Receive Time, Serial Number, Type, Threat/Content Type, FUTURE_USE, Generated Time, Source Address, Destination Address, NAT Source IP, NAT Destination IP, Rule Name, Source User, Destination User, Application, Virtual System, Source Zone, Destination Zone, Inbound Interface, Outbound Interface, Log Action, FUTURE_USE, Session ID, Repeat Count, Source Port, Destination Port, NAT Source Port, NAT Destination Port, Flags, Protocol, Action, Bytes, Bytes Sent, Bytes Received, Packets, Start Time, Elapsed Time, Category, FUTURE_USE, Sequence Number, Action Flags, Source Location, Destination Location, FUTURE_USE, Packets Sent, Packets Received, Session End Reason, Device Group Hierarchy Level 1, Device Group Hierarchy Level 2, Device Group Hierarchy Level 3, Device Group Hierarchy Level 4, Virtual System Name, Device Name, Action Source, Source VM UUID, Destination VM UUID, Tunnel ID/IMSI, Monitor Tag/IMEI, Parent Session ID, Parent Start Time, Tunnel Type, SCTP Association ID, SCTP Chunks, SCTP Chunks Sent, SCTP Chunks Received, UUID for rule, HTTP/2 Connection
Receive Time (receive_time or cef-formatted-receive_time)
Time the log was received at the management plane.
Serial Number (serial)
Serial number of the firewall that generated the log.
Specifies the type of log; value is TRAFFIC.
Threat/Content Type (subtype)
Subtype of traffic log; values are start, end, drop, and deny
Generated Time (time_generated or cef-formatted-time_generated)
Time the log was generated on the dataplane.
Source Address (src)
Original session source IP address.
Destination Address (dst)
Original session destination IP address.
NAT Source IP (natsrc)
If Source NAT performed, the post-NAT Source IP address.
NAT Destination IP (natdst)
If Destination NAT performed, the post-NAT Destination IP address.
Rule Name (rule)
Name of the rule that the session matched.
Source User (srcuser)
Username of the user who initiated the session.
Destination User (dstuser)
Username of the user to which the session was destined.
Application associated with the session.
Virtual System (vsys)
Virtual System associated with the session.
Source Zone (from)
Zone the session was sourced from.
Destination Zone (to)
Zone the session was destined to.
Inbound Interface (inbound_if)
Interface that the session was sourced from.
Outbound Interface (outbound_if)
Interface that the session was destined to.
Log Action (logset)
Log Forwarding Profile that was applied to the session.
Session ID (sessionid)
An internal numerical identifier applied to each session.
Repeat Count (repeatcnt)
Number of sessions with same Source IP, Destination IP, Application, and Subtype seen within 5 seconds.
Source Port (sport)
Source port utilized by the session.
Destination Port (dport)
Destination port utilized by the session.
NAT Source Port (natsport)
Post-NAT source port.
NAT Destination Port (natdport)
Post-NAT destination port.
32-bit field that provides details on session; this field can be decoded by AND-ing the values with the logged value:
IP Protocol (proto)
IP protocol associated with the session.
Action taken for the session; possible values are:
Number of total bytes (transmit and receive) for the session.
Bytes Sent (bytes_sent)
Number of bytes in the client-to-server direction of the session.
Bytes Received (bytes_received)
Number of bytes in the server-to-client direction of the session.
Number of total packets (transmit and receive) for the session.
Start Time (start)
Time of session start.
Elapsed Time (elapsed)
Elapsed time of the session.
URL category associated with the session (if applicable).
Sequence Number (seqno)
A 64-bit log entry identifier incremented sequentially; each log type has a unique number space.
Action Flags (actionflags)
A bit field indicating if the log was forwarded to Panorama.
Source Country (srcloc)
Source country or Internal region for private addresses; maximum length is 32 bytes.
Destination Country (dstloc)
Destination country or Internal region for private addresses. Maximum length is 32 bytes.
Packets Sent (pkts_sent)
Number of client-to-server packets for the session.
Packets Received (pkts_received)
Number of server-to-client packets for the session.
Session End Reason (session_end_reason)
The reason a session terminated. If the termination had multiple causes, this field displays only the highest priority reason. The possible session end reason values are as follows, in order of priority (where the first is highest):
Device Group Hierarchy (dg_hier_level_1 to dg_hier_level_4)
A sequence of identification numbers that indicate the device group’s location within a device group hierarchy. The firewall (or virtual system) generating the log includes the identification number of each ancestor in its device group hierarchy. The shared device group (level 0) is not included in this structure.
If the log values are 12, 34, 45, 0, it means that the log was generated by a firewall (or virtual system) that belongs to device group 45, and its ancestors are 34, and 12. To view the device group names that correspond to the value 12, 34 or 45, use one of the following methods:
CLI command in configure mode:
Virtual System Name (vsys_name)
The name of the virtual system associated with the session; only valid on firewalls enabled for multiple virtual systems.
Device Name (device_name)
The hostname of the firewall on which the session was logged.
Action Source (action_source)
Specifies whether the action taken to allow or block an application was defined in the application or in policy. The actions can be allow, deny, drop, reset- server, reset-client or reset-both for the session.
Source VM UUID (src_uuid)
Identifies the source universal unique identifier for a guest virtual machine in the VMware NSX environment.
Destination VM UUID (dst_uuid)
Identifies the destination universal unique identifier for a guest virtual machine in the VMware NSX environment.
Tunnel ID/IMSI (tunnelid/imsi)
International Mobile Subscriber Identity (IMSI) is a unique number allocated to each mobile subscriber in the GSM/UMTS/EPS system. IMSI shall consist of decimal digits (0 through 9) only and maximum number of digits allowed are 15.
Monitor Tag/IMEI (monitortag/imei)
International Mobile Equipment Identity (IMEI) is a unique 15 or 16 digit number allocated to each mobile station equipment.
Parent Session ID (parent_session_id)
ID of the session in which this session is tunneled. Applies to inner tunnel (if two levels of tunneling) or inside content (if one level of tunneling) only.
Parent Start Time (parent_start_time)
Year/month/day hours:minutes:seconds that the parent tunnel session began.
Tunnel Type (tunnel)
Type of tunnel, such as GRE or IPSec.
SCTP Association ID (assoc_id)
Number that identifies all connections for an association between two SCTP endpoints.
SCTP Chunks (chunks)
Sum of SCTP chunks sent and received for an association.
SCTP Chunks Sent (chunks_sent)
Number of SCTP chunks sent for an association.
SCTP Chunks Received (chunks_received)
Number of SCTP chunks received for an association.
UUID for rule (rule_uuid)
The UUID that permanently identifies the rule.
Identifies if traffic used an HTTP/2 Connection by displaying one of the following values:
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