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I have purchased a third-party certificate from Internet, how can I import this certificate and use it as my USG's certificate?
To import a certificate into USG, two certificates are required. The first one is called the ROOT certificate, and it confirms the identity of the authority certificate organization. The second certificate is purchased by the customer, and is referred to as the purchased_certificate. We will use a Windows Server 2008 acting as a CA server to assign the purchased_certificate to the USG. In this scenario, Windows 2008 is the third-party organization.
Step 1. Get the ROOT certificate file from the third-party organization and import it into USG trusted certificates.
In Configuration > Object > Certificate > Trusted Certificates > Import.
Please download the USG's certificate from "My Certificates". Import the certificate into your browser's Personal pool and import the ROOT certificate into Trusted Root Certification Authorities pool of your browser.
Double click the new purchased certificate and fill in the password then select Export Certificate with Private Key
Before importing the certificate into your browser, you will see the following (or similar) page when accessing the USG's web GUI.
After importing the purchased certificate, you will see a lock icon in the URL bar. The page will resemble the following figure.
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