<134>Original Address=192.168.2.253 1 1658389062.578624528 NORDC_MX400_1 flows src=204.129.0.121 dst=142.1.152.59 protocol=tcp sport=58721 dport=25 pattern: 1 dst 142.1.152.59
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: 58721
protocol: 6
streamName: meraki
clientIP: 204.129.0.121
serverIP: 142.1.152.59