<185>Oct 23 17:55:20 WAFirewall CEF:0|Barracuda|WAF|1101|342|GEO_IP_BLOCK|1|cat=WF dst=178.173.184.239 dpt=443 act=DENY msg=[Fake Crawler] duser="-" src=17.216.66.88 spt=48472 requestMethod=GET app=TLSv1.2 requestContext="-" start=Oct 23 2022 17:55:20  rt=1666565720730  request=/servlet/eAndar.WebFileLibrary/36/3437323731/uw-horz-logo.png requestClientApplication="facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)" dvchost=WAFirewall externalId=184070eca9a-acc034be cn2=48472 cn2Label=ProxyPort cs1=global cs1Label=RuleID cs2=NONE cs2Label=FollowUpAction cs3=GLOBAL cs3Label=RuleType cs4=Forceful Browsing cs4Label=AttackGroup cs5=17.216.66.88 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: ['RuleID:global', 'barracuda_waf_GEO_IP_BLOCK', 'AttackGroup:Forceful Browsing', 'RuleType:GLOBAL', 'barracuda_waf', 'rfc3164', 'GEO_IP_BLOCK', 'cef', 'SessionID:-', 'ProxyIP:173.252.95.7', 'FollowUpAction:NONE']
productids: [0]
sourceinfo: unknown
localstarttime: 1666565720730 
sensitivity: normal
localhostname: WAFirewall
priority: 185
facilitylabel: local7
messagetype: GEO_IP_BLOCK
severitycode: 9
fqdn: /servlet/eAndar.WebFileLibrary/36/3437323731/uw-horz-logo.png
clientport: 48472
vendorcode: 342
action: block
facilitycode: 23
streamName: barracuda_waf
clientIP: 17.216.66.88
serverIP: 178.173.184.239
userName: -