<134>Original Address=192.168.2.253 1 1658389062.540627277 NORDC_MX400_1 flows src=180.15.146.141 dst=198.162.20.103 protocol=tcp sport=57271 dport=25 pattern: 1 dst 198.162.20.103
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: 57271
protocol: 6
streamName: meraki
clientIP: 180.15.146.141
serverIP: 198.162.20.103