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.
aahmadbasri
Staff
Staff
Article Id 224780
Description This article discusses about untrusted HTTPS server certificate on Administrator widget.
Scope FortiOS 7.2.1.
Solution

In fortiOS 7.2.1, a new default certificate 'Fortinet_GUI_Server' is introduced for HTTPS administrative access. 

 

If other certificate is used, error 'Untrusted HTTPS server certificate' will be shown on the dashboard. 

 

aahmadbasri_0-1664163711210.png

 

To remove the error, ensure to use' Fortinet_GUI_Server certificate':

 

  1. Go to System -> Settings -> HTTPS Server Certificate, select 'Fortinet_GUI_Server', and select 'Apply'. 

 

aahmadbasri_1-1664163794759.png

 

  1. Ensure that the certificate option is enabled under System -> Feature Visibility -> Certificates.

     

                                            Capture.PNG

     

  2. Download the certificate from System -> Settings -> HTTPS Server Certificate.

     

    aahmadbasri_2-1664163931165.png

     

     

  3. Install the certificate in the PC's trusted certificate store.

     

  4. Reload FortiGate GUI and the error should no longer shown. 

     

    aahmadbasri_3-1664164140972.png
    Note: For older versions, to assign an HTTPS server certificate, use the following commands:

    config system global

        set admin-server-cert <new_cert>
    end