<134>Original Address=192.168.2.253 1 1660587751.870029554 NORDC_MX400_1 flows src=243.17.190.170 dst=104.239.252.148 protocol=tcp sport=6540 dport=25 pattern: 1 dst 104.239.252.148
This is a syslog message from a product called Meraki by Cisco. The following fields were extracted from the message:
senderhost: 192.168.2.250
serverport: 25
tags: ['deny', 'meraki', 'flow']
productids: [26, 0]
sourceinfo: unknown
action: block
sensitivity: normal
messagetype: flow
clientport: 6540
protocol: 6
streamName: meraki
clientIP: 243.17.190.170
serverIP: 104.239.252.148