<185>Aug  7 22:57:58 WAFirewall CEF:0|Barracuda|WAF|1210|118|INVALID_METHOD|1|cat=WF dst=43.172.89.22 dpt=80 act=DENY msg=[�] duser="-" src=33.109.149.35 spt=3686 requestMethod="-" app=HTTP requestContext="-" start=Aug 07 2023 22:57:58  rt=1691467078319  request=/ requestClientApplication="Unknown" dvchost=WAFirewall externalId=189d34b5aaf-e699c5c4 cn2=3686 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=33.109.149.35 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: 3686
facilitycode: 23
facilitylabel: local7
fqdn: /
localhostname: WAFirewall
localstarttime: 1691467078319 
messagetype: INVALID_METHOD
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 80
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'ProxyIP:142.93.41.199', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'cef', 'SessionID:-', 'FollowUpAction:NONE', 'barracuda_waf_INVALID_METHOD', 'AttackGroup:Protocol Violations', 'INVALID_METHOD']
vendorcode: 118
streamName: barracuda_waf
clientIP: 33.109.149.35
serverIP: 43.172.89.22
userName: -