Hi! The solution given by the TAC of Fortinet was to block the service
"SSL_TLS v1.3" at the Application Control profile of the users groups
where was applied Deep Inspection. After this change at the APP Control,
the issue was solved.
Hi! I would like to know if you have some answer from the TAC? I have
exactly the same problem with a customer in FortiOS 6.2.3 with
DeepInspection. Thanks!