<185>Nov 23 10:47:49 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=66.158.7.236 dpt=443 act=DENY msg=[Known SSH Attack Source] duser="-" src=163.190.255.169 spt=35582 requestMethod=GET app=TLSv1.2 requestContext="-" start=Nov 23 2023 10:47:49  rt=1700758069563  request=/ requestClientApplication="Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36 " dvchost=WAFirewall externalId=18bfd14a0c3-17d2ecf8 cn2=35582 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=163.190.255.169 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: 35582
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1700758069563 
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:185.180.143.148', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 163.190.255.169
serverIP: 66.158.7.236
userName: -