IGEL Linux v5 IGEL Linux v5 How-Tos 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→Encryption→View Certificates to open the Firefox Certificate Manager. Click Import on 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. ×