<185>Dec 12 19:49:13 WAFirewall CEF:0|Barracuda|WAF|1210|342|GEO_IP_BLOCK|1|cat=WF dst=2.146.125.159 dpt=443 act=DENY msg=[Known SSH Attack Source] duser="-" src=230.237.171.157 spt=31558 requestMethod=GET app=TLSv1.2 requestContext="-" start=Dec 12 2023 19:49:13  rt=1702432153137  request=/ requestClientApplication="Mozilla/5.0 (Macintosh; Intel Mac OS X 13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36" dvchost=WAFirewall externalId=18c60dd1e0b-d7d01dce cn2=31558 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=230.237.171.157 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: 31558
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1702432153137 
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:192.155.90.118', 'FollowUpAction:NONE']
vendorcode: 342
streamName: barracuda_waf
clientIP: 230.237.171.157
serverIP: 2.146.125.159
userName: -