<180>Jul 23 2023 19:17:53: %ASA-4-106023: Deny udp src outside:13.201.4.5/44602 dst DMZ:128.181.62.167/27970 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:
action: block
clientport: 44602
facilitycode: 22
facilitylabel: local6
messagetype: firewall_action
priority: 180
protocol: 17
senderhost: 172.20.1.1
sensitivity: normal
serverport: 27970
severitycode: 4
severitylabel: warning
sourceinfo: unknown
tags: ['cisco_asa_deny', 'deny', 'cisco_asa', 'firewall_action']
vendorcode: ASA-4-106023
streamName: cisco_asa
clientIP: 13.201.4.5
serverIP: 128.181.62.167