Check the server certificate using FireFox.
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Type the HTTPS URL.
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Once the page is displayed, click on the padlock icon.
An About dialog window displays.
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Click on the option with the padlock icon from the menu.
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Click on the More Information menu option.
The Page info page opens.
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From the Security tab, click View
Certificate.
The Certificate page opens
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Click on a tab to view a certificate in the certificate hierarchy.