<185>Jun 28 06:44:07 WAFirewall CEF:0|Barracuda|WAF|1220|119|MALFORMED_VERSION|1|cat=WF dst=182.218.232.67 dpt=80 act=DENY msg=[PRI * HTTP/2.0] duser="-" src=219.60.97.177 spt=48838 requestMethod=PRI app=HTTP requestContext="-" start=Jun 28 2024 06:44:07  rt=1719575047832  request=/* requestClientApplication="Unknown" dvchost=WAFirewall externalId=1905ea8ee98-4fa0f5bc cn2=48838 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=219.60.97.177 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: 48838
facilitycode: 23
facilitylabel: local7
fqdn: /*
localhostname: WAFirewall
localstarttime: 1719575047832 
messagetype: MALFORMED_VERSION
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 80
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['RuleID:global', 'barracuda_waf_MALFORMED_VERSION', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'cef', 'SessionID:-', 'AttackGroup:Protocol Violations', 'FollowUpAction:NONE', 'MALFORMED_VERSION', 'ProxyIP:199.45.154.135']
vendorcode: 119
streamName: barracuda_waf
clientIP: 219.60.97.177
serverIP: 182.218.232.67
userName: -