<185>Oct  1 14:10:27 WAFirewall CEF:0|Barracuda|WAF|1210|118|INVALID_METHOD|1|cat=WF dst=61.111.215.218 dpt=443 act=DENY msg=["-"] duser="-" src=185.77.173.119 spt=52152 requestMethod="-" app=TLSv1.3 requestContext="-" start=Oct 01 2023 14:10:27  rt=1696187427054  request=/ requestClientApplication="Unknown" dvchost=WAFirewall externalId=18aeca628ee-52881a1d cn2=52152 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=185.77.173.119 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: 52152
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1696187427054 
messagetype: INVALID_METHOD
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 443
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'cef', 'SessionID:-', 'FollowUpAction:NONE', 'barracuda_waf_INVALID_METHOD', 'AttackGroup:Protocol Violations', 'INVALID_METHOD', 'ProxyIP:159.223.202.149']
vendorcode: 118
streamName: barracuda_waf
clientIP: 185.77.173.119
serverIP: 61.111.215.218
userName: -