How to solve SSL Certificate error ==================================== Symptom ---------- The SSL certificate error "Your connection to this site is not secure" occurs when a web browser can't verify the SSL certificate installed on a site .. image:: /images/cert-error_eng.png :width: 400px Cause -------- - SSL certificates have a validity period. After this period has passed, browsers display a warning on the webpage, signifying that the SSL certificate expired (or invalid). Resolution ------------- Uploading public certificate to resolve cert error If you have your own certificate: - Log in to the NAC Web Console - Go to **Preferences > General > Certificate** - Upload your own certificate - Go to **System > Service > Control** - Restart Web Console If you need certificate: - Log in to the NAC Web Console - Go to **Preferences > General > Certificate > SSL Certificate** - Enter Common Name, Country Code, Organization, Email to generate CSR - Get certificate (.PEM) from Certificate Authority (such as VeriSign, Thawte, GeoTrust) - Upload your new certificate - Go to **System > Service > Control** - Restart Web Console .. note :: Please restart web service (httpd) after uploading certificate