<134>Original Address=192.168.2.253 1 1658835767.648826161 NORDC_MX400_1 flows src=23.136.200.37 dst=210.79.177.159 protocol=tcp sport=33944 dport=25 pattern: 1 dst 210.79.177.159
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: 33944
protocol: 6
streamName: meraki
clientIP: 23.136.200.37
serverIP: 210.79.177.159