<134>Original Address=192.168.2.253 1 1661096829.633307006 NORDC_MX400_1 flows src=15.121.13.13 dst=181.64.29.106 protocol=tcp sport=6197 dport=25 pattern: 1 dst 181.64.29.106
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: 6197
protocol: 6
streamName: meraki
clientIP: 15.121.13.13
serverIP: 181.64.29.106