<185>Sep 18 02:07:48 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=79.123.6.34 dpt=443 act=DENY msg=[GeoIP Policy Match] duser="-" src=55.35.223.175 spt=8550 requestMethod=OPTIONS app=TLSv1.3 requestContext="-" start=Sep 18 2023 02:07:48  rt=1695020868103  request=/ requestClientApplication="Unknown" dvchost=WAFirewall externalId=18aa71de1f8-41c6f9a3 cn2=8550 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=55.35.223.175 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: 8550
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1695020868103 
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', 'AttackGroup:Forceful Browsing', 'RuleType:GLOBAL', 'barracuda_waf', 'GEO_IP_BLOCK', 'cef', 'SessionID:-', 'FollowUpAction:NONE', 'ProxyIP:34.65.184.108', 'rfc3164']
vendorcode: 342
streamName: barracuda_waf
clientIP: 55.35.223.175
serverIP: 79.123.6.34
userName: -