<185>Aug 26 13:03:41 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=223.148.92.137 dpt=443 act=DENY msg=[GeoIP Policy Match] duser="-" src=104.62.244.15 spt=53688 requestMethod=GET app=TLSv1.3 requestContext="-" start=Aug 26 2023 13:03:41  rt=1693073021295  request=/ requestClientApplication="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36" dvchost=WAFirewall externalId=18a3304195c-e99a3f31 cn2=53688 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=104.62.244.15 cs5Label=ProxyIP cs6="-" cs6Label=SessionID 

This is a syslog message from a product called Barracuda WAF by Barracuda. The following fields were extracted from the message:
action: block
clientport: 53688
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1693073021295 
messagetype: GEO_IP_BLOCK
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 443
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'barracuda_waf_GEO_IP_BLOCK', 'ProxyIP:83.97.73.87', 'AttackGroup:Forceful Browsing', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'GEO_IP_BLOCK', 'cef', 'SessionID:-', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 104.62.244.15
serverIP: 223.148.92.137
userName: -