<134>Original Address=96.87.229.81 1 1687487095.882548314 M23_MX67C_CRMarietta l7_firewall src=178.139.132.218 dst=209.198.152.0 protocol=tcp sport=57121 dport=443 decision=blocked
This is a syslog message from a product called Meraki by Cisco. The following fields were extracted from the message:
action: block
clientport: 57121
messagetype: anomalous_behavior
program: l7_firewall
protocol: 6
senderhost: 192.168.2.250
sensitivity: normal
serverport: 443
sourceinfo: unknown
tags: ['meraki_l7_firewall', 'anomalous_behavior']
streamName: meraki_l7_firewall
clientIP: 178.139.132.218
serverIP: 209.198.152.0