IGEL OS 10.05.800 IGEL OS Articles Certificates Deploying Trusted Root Certificates Installing Certificates Manually Current: Installing Web Browser Certificates PDF Download PDF Download page Installing Web Browser Certificates. Current page All pages Installing Web Browser Certificates Installing web browser certificates manually:Open the IGEL Setup.Click Sessions > Browser > Browser Global > Certificates > View Certificates to open the Firefox Certificate Manager.Click Import... in the Authorities tab to import a new certificate from a directory or a USB flash drive. Manually installed certificates will be saved permanently without any further configuration. ×