<185>Feb  6 16:43:20 WAFirewall CEF:0|Barracuda|WAF|1200|126|MISSING_HOST_HEADER|1|cat=WF dst=163.204.223.15 dpt=443 act=DENY msg=[GET / HTTP/1.1] duser="-" src=145.60.117.2 spt=50266 requestMethod=GET app=TLSv1.3 requestContext="-" start=Feb 06 2023 16:43:20  rt=1675723400180  request=/ requestClientApplication="Unknown" dvchost=WAFirewall externalId=18628e5e3f4-66d3642e cn2=50266 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=145.60.117.2 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: 443
severitylabel: alert
tags: ['barracuda_waf', 'rfc3164', 'cef', 'SessionID:-', 'AttackGroup:Protocol Violations', 'barracuda_waf_MISSING_HOST_HEADER', 'FollowUpAction:NONE', 'ProxyIP:35.216.166.62', 'RuleID:global', 'RuleType:GLOBAL', 'MISSING_HOST_HEADER']
productids: [0]
sourceinfo: unknown
localstarttime: 1675723400180 
sensitivity: normal
localhostname: WAFirewall
priority: 185
facilitylabel: local7
messagetype: MISSING_HOST_HEADER
severitycode: 9
fqdn: /
clientport: 50266
vendorcode: 126
action: block
facilitycode: 23
streamName: barracuda_waf
clientIP: 145.60.117.2
serverIP: 163.204.223.15
userName: -