<4>Jul  3 22:31:53 hq-ie001 kernel: [361377.816691] [UFW BLOCK] IN=ens5 OUT= MAC=02:89:99:e9:b6:8c:02:1a:a4:b4:e1:82:08:00 SRC=88.26.214.97 DST=30.164.102.73 LEN=9001 TOS=0x00 PREC=0x00 TTL=64 ID=6243 DF PROTO=TCP SPT=9042 DPT=52796 WINDOW=355 RES=0x00 ACK URGP=0 
This is a syslog message from a product called Uncomplicated Firewall (UFW) by linux. The following fields were extracted from the message:
action: block
clientbytes: 9001
clientport: 52796
facilitylabel: kernel
localhostname: hq-ie001
localstarttime: Jul  3 22:31:53
messagetype: firewall_action
priority: 4
program: kernel
protocol: 6
senderhost: 10.1.100.159
sensitivity: normal
serverport: 9042
severitycode: 4
severitylabel: warning
sourceinfo: unknown
tags: ['rfc3164', 'ufw', 'firewall_action']
streamName: ufw
clientIP: 30.164.102.73
serverIP: 88.26.214.97