SSL/TLS: FortiGate firewall ssl installation step

Step 1: Downloading your SSL Certificate & its Intermediate CA Certificate:

If you had the option of server type during enrollment and selected Other you will receive a x509/.cer/.crt/.pem version of your certificate within the email. Alternately you can access your Certificate User Portal by the supplied link in the email to pick up the x509 version of your certificate.
Copy the SSL certificate and make sure to copy the —–BEGIN CERTIFICATE—– and —–END CERTIFICATE—– header and footer Ensure there are no white spaces, extra line breaks or additional characters.
Use a plain text editor such as Notepad, paste the content of the certificate and save it with extension .crt
If your intermediate CA certificate for your product is not in the body of the email you can access your Intermediate CA also in a link within that email. Copy and paste the contents of your Intermediate CA into its own Notepad file and save it with a .crt extension also.
Note: Some CAs may require two intermediates for best compatibility. These two are to be copied within their own corresponding .crt files and installed one at a time in a repeated process for intermediate installation.

Step 2: Importing your SSL Certificate:

The status of the certificate should change from PENDING to OK

Step 3: Importing your Intermediate CA:

Browse to System > Certificates.
Select Import > CA Certificate.
Browse to the location and path of your Intermediate CA certificate.
Click OK.
Your Intermediate CA should be under the CA Certificate section of the certificates list.

Step 4: Configuring your FortiGate VPN to use the new SSL certificate:

Browse to VPN > SSL > Settings.
In the Connection Settings section under the Server Certificate drop down select your new SSL certificate.
Click ApplyYou have configured the Foritgate VPN to use the new SSL certificate.

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