UserCheck block page is not shown when some sites are blocked and HTTPS Inspection is enabled

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Technical Level

Solution ID	sk110689
Technical Level
Product	Application Control, URL Filtering, HTTPS Inspection
Version	R77.20, R77.30
OS	Gaia, SecurePlatform 2.6, Gaia Embedded
Platform / Model	1400, 700, 900
Date Created	24-Mar-2016
Last Modified	18-Nov-2020

Symptoms

The UserCheck block page is sometimes not shown when matched on application, even though the HTTPS Inspection is enabled.
The browser displays a general message:
Can't access this web page : ERR_CONNECTION_RESET

Cause

This is caused when the application is matched on client to server (C2S) or server to client (S2C) raw data before inspecting the traffic.

Solution

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