See FortiClient 6.0.1 (Windows) Release Notes - What’s New in FortiClient (Windows) 6.0.1 section.It is possible to configure FortiClient to allow web traffic when FortiGuard is unreachable using XML configuration:Here are the configurable actions in case of an unavailable FortiGuard:<forticlient_configuration>
<webfilter>
<profiles>
<profile>
<categories>
<fortiguard>
<action_when_unavailable>allow</action_when_unavailable>
allow Allow full, unfiltered access to all websites deny Deny access to any website warn Display in-browser warning to user, with an option to proceed to the website monitor Monitor site access
see FortiClient XML Reference - XML Configuration File > Web Filter section.
From FortiClient EMS 6.0.3 this option is available in GUI.
Endpoint Profile>Web Filter>Site Category >Rate IP Address>Allow or Deny when rating error occur.
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