<185>Dec 25 07:05:58 WAFirewall CEF:0|Barracuda|WAF|1210|119|MALFORMED_VERSION|1|cat=WF dst=60.63.92.173 dpt=443 act=DENY msg=[PRI * HTTP/2.0] duser="-" src=21.6.188.35 spt=36108 requestMethod=PRI app=TLSv1.3 requestContext="-" start=Dec 25 2023 07:05:58  rt=1703509558882  request=/* requestClientApplication="Unknown" dvchost=WAFirewall externalId=18ca1150662-ca2edcab cn2=36108 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=21.6.188.35 cs5Label=ProxyIP cs6="-" cs6Label=SessionID 

{
    "action": "block",
    "clientport": 36108,
    "facilitycode": 23,
    "facilitylabel": "local7",
    "fqdn": "/*",
    "localhostname": "WAFirewall",
    "localstarttime": "1703509558882 ",
    "message": "<185>Dec 25 07:05:58 WAFirewall CEF:0|Barracuda|WAF|1210|119|MALFORMED_VERSION|1|cat=WF dst=60.63.92.173 dpt=443 act=DENY msg=[PRI * HTTP/2.0] duser=\"-\" src=21.6.188.35 spt=36108 requestMethod=PRI app=TLSv1.3 requestContext=\"-\" start=Dec 25 2023 07:05:58  rt=1703509558882  request=/* requestClientApplication=\"Unknown\" dvchost=WAFirewall externalId=18ca1150662-ca2edcab cn2=36108 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Protocol Violations cs4Label=AttackGroup cs5=21.6.188.35 cs5Label=ProxyIP cs6=\"-\" cs6Label=SessionID \n",
    "messagetype": "MALFORMED_VERSION",
    "priority": 185,
    "senderhost": "10.0.0.250",
    "sensitivity": "normal",
    "serverport": 443,
    "severitycode": 9,
    "severitylabel": "alert",
    "sourceinfo": "unknown",
    "tags": [
        "RuleID:global",
        "barracuda_waf_MALFORMED_VERSION",
        "RuleType:GLOBAL",
        "barracuda_waf",
        "rfc3164",
        "cef",
        "AttackGroup:Protocol Violations",
        "FollowUpAction:NONE",
        "MALFORMED_VERSION",
        "SessionID:-",
        "ProxyIP:162.142.125.217"
    ],
    "vendorcode": "119",
    "streamName": "barracuda_waf",
    "clientIP": "21.6.188.35",
    "serverIP": "60.63.92.173",
    "userName": "-"
}