<172>Feb 28 2023 21:37:43 10.52.255.1 : %PIX-4-106023: Deny tcp src inside:238.91.89.213/62772 dst outside:14.173.177.208/7680 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: 62772
vendorcode: PIX-4-106023
action: block
protocol: 6
facilitycode: 21
streamName: cisco_pix
clientIP: 238.91.89.213
serverIP: 14.173.177.208