Uncheck System Configuration > Gateways > Internet to restrict internet access from Web Isolation(WI).
However, WI seems to be restart internet access after reboot(and power cycle).
How to completely restrict internet access from WI ?
WI is accessing for internet(feedback-report.services.fire.glass) to feedback fireglass_monit.log data.
This operation processed by Logs-Anonymizer service.
You can disable this behavior via "uncheck System Configuration > Gateways > Internet"
There is bug to disable Logs-Anonymizer service it will be re-enable by restart.
Engineer team investigating this by WI-512.
Release : 1.14
Component : Logs-Anonymizer service
Workaround is re-disable Logs-Anonymizer service by below steps.
You can confirm stop the Log-Anonymizer service by command line console.
Please run "fgcli service status".