FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
iskandar_lie
Staff
Staff
Article Id 249528
Description This article describes how an HTTP block page works for a blocked website or domain.
Scope FortiGate
Solution

The HTTP block page will be displayed properly for the web filter security profile, not for the DNS filter

 

It is possible to use any inspection mode either flow or proxy based,  certificate or deep SSL Inspection. 

 

For web filter: 

 

webfilter http.PNG

 

webfilter certificate.PNG  

For DNSfilter: the default block action is to 'Redirect to block portal'.

In this case 'FortiGuard block portal' so the user will get a certificate warning, despite the trusted certificate.

 

dns filter warning.PNG

 

dns filter http.PNG

 

dns filter certificate.PNG