Fortigate Deep Scan – Can’t ignore and proceed

You may have noticed for some web sites that when using SSL Deep inspection you can’t ignore the certificate warning and proceed on the page. In Chrome the following may be displayed: “You cannot proceed because the website operator has requested heightened security for this domain. ” When seeing this message it is almost certainly because the website has enabled HTTP Strict Transport Security, when this is enabled browsers will automatically switch over to HTTPS and also will not let you proceed if there is a problem with the certificate. In most cases with the Fortigate it is because the browser is presented with the Fortigate SSL proxy certificate. The only workaround here is to load the certificate from the Fortigate into Windows/your browser.

 

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