<185>May 27 22:52:31 WAFirewall CEF:0|Barracuda|WAF|1220|342|GEO_IP_BLOCK|1|cat=WF dst=157.218.37.188 dpt=443 act=DENY msg=[Known SSH Attack Source] duser="-" src=99.79.87.50 spt=22675 requestMethod=GET app=TLSv1.2 requestContext="-" start=May 27 2024 22:52:31  rt=1716868351150  request=/api/v2/static/not.found requestClientApplication="Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0" dvchost=WAFirewall externalId=18fbd5404ae-e39c47ab cn2=22675 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=99.79.87.50 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: 22675
facilitycode: 23
facilitylabel: local7
fqdn: /api/v2/static/not.found
localhostname: WAFirewall
localstarttime: 1716868351150 
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', 'SessionID:-', 'ProxyIP:64.62.197.62', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 99.79.87.50
serverIP: 157.218.37.188
userName: -