<185>Nov 17 07:06:22 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=135.143.214.141 dpt=443 act=DENY msg=[GeoIP Policy Match] duser="-" src=157.20.237.103 spt=43790 requestMethod=GET app=TLSv1.3 requestContext="-" start=Nov 17 2023 07:06:22  rt=1700226382220  request=/nfkt/p/ requestClientApplication="Mozilla/5.0" dvchost=WAFirewall externalId=18bdd63b98c-a645d8e1 cn2=43790 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=157.20.237.103 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: 43790
facilitycode: 23
facilitylabel: local7
fqdn: /nfkt/p/
localhostname: WAFirewall
localstarttime: 1700226382220 
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', 'rfc3164', 'GEO_IP_BLOCK', 'cef', 'ProxyIP:80.82.78.39', 'SessionID:-', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 157.20.237.103
serverIP: 135.143.214.141
userName: -