<172>Feb 28 2023 21:37:21 10.52.255.1 : %PIX-4-106023: Deny tcp src inside:224.127.132.152/62643 dst outside:249.220.28.182/7680 by access-group "inside"

This is a syslog message from a product called PIX Firewall by Cisco. The following fields were extracted from the message:
priority: 172
senderhost: 10.52.255.1
serverport: 7680
severitylabel: warning
tags: ['cisco_pix_deny', 'deny', 'cisco_pix', 'firewall_action']
productids: [0]
severitycode: 4
sourceinfo: unknown
sensitivity: normal
facilitylabel: local5
messagetype: firewall_action
clientport: 62643
vendorcode: PIX-4-106023
action: block
protocol: 6
facilitycode: 21
streamName: cisco_pix
clientIP: 224.127.132.152
serverIP: 249.220.28.182