RUGGEDCOM
Application Note
Adding a Root CA Certificate to
the List of Trusted Root CAs
In order for a certificate to be trusted, and often for a secure connection to be established, the certificate must
have been issued by a CA that is included in the trusted store of the device that is connecting. If it is not in the
list when a Web session to the device is opened, a warning message may appear stating the security certificate
presented by the website was not issued by a trusted Certificate Authority.
To prevent this warning message in Internet Explorer®, perform the following procedure to add a Root CA
certificate to the trusted Root CA list:
NOTE
This procedure is only applicable when device certificates are signed by a CA. For more information
about signing device certificates, refer to
Becomes the Root CA"
1.
Open Internet Explorer.
2.
Under Tools, click Internet Options.
3.
Select the Content tab and click Certificates. The Certificates dialog box appears.
Figure 4: Certificates Dialog Box
4.
Select the Trusted Root Certification Authorities tab and click Import. The Certificate Import Wizard
dialog box appears.
Section 4.1, "Scenario 1: The Machine Hosting the Scripts
and
Section 4.2, "Scenario 2: The CA Resides
Adding a Root CA Certificate to the List of Trusted Root
Elsewhere".
Chapter 6
CAs
17