Sophos Firewall Technician (FT80)
Sophos Certified Technician — Sophos Firewall (FT80)
Common Failure ScenariosEnglish
Exam overviewPractice session
Web users report 'NET::ERR_CERT_AUTHORITY_INVALID' on many HTTPS sites going through Sophos Firewall. Which feature is MOST likely the cause?
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