<185>Jul 21 03:00:07 WAFirewall CEF:0|Barracuda|WAF|1101|119|MALFORMED_VERSION|1|cat=WF dst=27.219.249.219 dpt=80 act=DENY msg=[PRI * HTTP/2.0] duser="-" src=34.32.203.66 spt=38700 requestMethod=PRI app=HTTP requestContext="-" start=Jul 21 2022 03:00:07  rt=1658390407328  request=/* requestClientApplication="Unknown" dvchost=WAFirewall externalId=1821fc568a0-45b8b9ba cn2=38700 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=34.32.203.66 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:
senderhost: 10.0.0.250
serverport: 80
severitylabel: alert
tags: ['RuleID:global', 'barracuda_waf_MALFORMED_VERSION', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'cef', 'SessionID:-', 'AttackGroup:Protocol Violations', 'FollowUpAction:NONE', 'MALFORMED_VERSION', 'ProxyIP:162.142.125.8']
productids: [0]
sourceinfo: unknown
localstarttime: 1658390407328 
sensitivity: normal
localhostname: WAFirewall
priority: 185
facilitylabel: local7
messagetype: MALFORMED_VERSION
severitycode: 9
fqdn: /*
clientport: 38700
vendorcode: 119
action: block
facilitycode: 23
streamName: barracuda_waf
clientIP: 34.32.203.66
serverIP: 27.219.249.219
userName: -