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Deploying Trusted Root Certificates in IGEL OS

IGEL OS comes with a number of trusted root certificates from certain Certificate Authorities (CA) pre-installed. For a complete list of pre-installed root certificates, see Which CA Certificates Are Contained in IGEL OS?

Certificates signed with these root certificates can be used for server authentication and encryption in ICA, RDP, Horizon, and browser sessions. You can also verify the origin of Java applications.

Nevertheless, the root certificate you need might be missing. This document explains how to load and distribute it.


Requirements

The certificates must be available in the Base64 file format encoded with the file extension .pem, .crt or .cer.

To check the file format, open the certificate with a text editor. It should look like this:

Certificate Text

Solution

Deploying Certificates via the UMS

We recommend using IGEL Universal Management Suite (UMS) when you need to deploy certificates, especially if you have to do this for multiple endpoint devices.

You can load certificates in the UMS Console via Files > New file: simply select your certificate file under Local file, select the suitable Classification of the certificate, and assign the certificate file to the required devices; see Files - Universal Management Suite > UMS Reference Manual > Files - Registering Files on the IGEL UMS Server and Transferring Them to Devices.

We advise you to use the following file transfer types for distributing the certificates via the UMS: 

Type

To be used for

Undefined

All-purpose class, you need to set the owner and access permissions manually.

Web Browser Certificate

Server authentication/encryption of HTTPS websites in browsers

SSL Certificate

Server authentication/encryption in ICA, RDP, or Horizon sessions

Authentication via Active Directory (AD)

Java Certificate

Authentication/encryption for Java applications

IBM iAccess Certificate

Server authentication/encryption for IBM iAccess sessions

Common Certificate (all-purpose)

Multiple applications needing a certificate, e.g. if you want to launch an ICA session in a browser or if you want to secure a Java session on a secure website.

With these file transfer types, you will not need to reboot after installing.

Providing Certificates Manually

If you want to install certificates manually, see Installing Certificates Manually in IGEL OS.

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