<164>Sep 11 2022 05:27:18: %ASA-4-106023: Deny tcp src outside:254.89.171.68/44782 dst dmz-1:144.28.165.219/47964 by access-group "outside_access_in" [0x0, 0x0]

This is a syslog message from a product called ASA Firewall by Cisco. The following fields were extracted from the message:
priority: 164
senderhost: 10.0.0.1
serverport: 44782
severitylabel: warning
tags: ['cisco_asa_deny', 'deny', 'cisco_asa', 'firewall_action']
productids: [17, 0]
severitycode: 4
sourceinfo: unknown
sensitivity: normal
facilitylabel: local4
messagetype: firewall_action
clientport: 47964
vendorcode: ASA-4-106023
action: block
protocol: 6
facilitycode: 20
streamName: cisco_asa
clientIP: 144.28.165.219
serverIP: 254.89.171.68