<185>May  2 23:59:35 WAFirewall CEF:0|Barracuda|WAF|1220|14|SLASH_DOT_IN_URL|1|cat=WF dst=22.115.5.100 dpt=443 act=DENY msg=["-"] duser="-" src=229.104.63.28 spt=59167 requestMethod=GET app=TLSv1.3 requestContext="-" start=May 02 2024 23:59:35  rt=1714712375724  request=/.well-known/assetlinks.json requestClientApplication="Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" dvchost=WAFirewall externalId=18f3cd271ab-e9a351c8 cn2=59167 cn2Label=ProxyPort cs1=security-policy cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=229.104.63.28 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: 59167
facilitycode: 23
facilitylabel: local7
fqdn: /.well-known/assetlinks.json
localhostname: WAFirewall
localstarttime: 1714712375724 
messagetype: SLASH_DOT_IN_URL
priority: 185
senderhost: 10.0.0.250
sensitivity: normal
serverport: 443
severitycode: 9
severitylabel: alert
sourceinfo: unknown
tags: ['barracuda_waf_SLASH_DOT_IN_URL', 'AttackGroup:Forceful Browsing', 'barracuda_waf', 'cef', 'FollowUpAction:NONE', 'RuleType:GLOBAL', 'ProxyIP:66.249.66.197', 'rfc3164', 'SLASH_DOT_IN_URL', 'RuleID:security-policy', 'SessionID:-']
vendorcode: 14
streamName: barracuda_waf
clientIP: 229.104.63.28
serverIP: 22.115.5.100
userName: -