<185>Sep 21 02:18:24 WAFirewall CEF:0|Barracuda|WAF|1210|118|INVALID_METHOD|1|cat=WF dst=190.42.34.48 dpt=80 act=DENY msg=[] duser="-" src=73.154.36.231 spt=13784 requestMethod="-" app=HTTP requestContext="-" start=Sep 21 2023 02:18:24  rt=1695280704841  request=/ requestClientApplication="Unknown" dvchost=WAFirewall externalId=18ab69aad49-81efea49 cn2=13784 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=73.154.36.231 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: 13784
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1695280704841 
messagetype: INVALID_METHOD
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 80
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'RuleType:GLOBAL', 'rfc3164', 'cef', 'SessionID:-', 'FollowUpAction:NONE', 'barracuda_waf_INVALID_METHOD', 'barracuda_waf', 'ProxyIP:184.105.247.254', 'AttackGroup:Protocol Violations', 'INVALID_METHOD']
vendorcode: 118
streamName: barracuda_waf
clientIP: 73.154.36.231
serverIP: 190.42.34.48
userName: -