Optional V12 Log Header Format
The CSV fields in the header row of the Optional Log header.
"Timestamp","Origin IDs","Identities","Identity Types","Direction","Protocol","Packet Size","Source IP","Source Port","Destination IP","Destination Port","Data Center","Rule ID","Action","FQDNS","Destination List IDs","First Packet Timestamp","Last Packet Timestamp","Packets Sent","Packets Received","Bytes Sent","Bytes Received","FW Event ID","Destination Country","AWS Region","App ID","Private App ID","Private Flow","Posture ID","CASI Category IDs","Traffic Source","Content Category IDs","Content Category List IDs","Organization ID","Egress IP","Egress"