<185>Dec  9 00:42:18 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=209.91.94.100 dpt=80 act=DENY msg=[GeoIP Policy Match] duser="-" src=83.253.161.19 spt=54028 requestMethod=GET app=HTTP requestContext="-" start=Dec 09 2023 00:42:18  rt=1702104138428  request=/ requestClientApplication="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36" dvchost=WAFirewall externalId=18c4d50028b-dea09fef cn2=54028 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=83.253.161.19 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: 54028
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1702104138428 
messagetype: GEO_IP_BLOCK
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 80
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', 'SessionID:-', 'ProxyIP:128.199.46.241', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 83.253.161.19
serverIP: 209.91.94.100
userName: -