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RedHat customer portal SSO with Okta

Could RadHat Customer Portal be configured to authenticate users with Okta with Federated login?
Jerrell GaryJerrell Gary (Okta, Inc.)
Hello Av,

Are you referring to Okta's Integrated Windows Authentication (IWA)? 

Here is a KB article referencing Okta's IWA/Desktop SSO solution.

https://help.okta.com/en/prod/Content/Topics/Directory/Configuring_Desktop_SSO.htm

For IWA to authenticate you to the netwok you will need a NTLM/Kerberos credentials. 

Summary
Install and configure the Okta Integrated Windows Authentication (IWA) Web App
Configure your browser (procedures are provided for different browsers on Windows and Mac operating systems)
Test your browser to ensure that it works
Turn on Desktop SSO
System Requirements
Make sure that Port 80 (for http) and Port 443 (for https) are open for inbound traffic on the same server that hosts the Okta IWA Web App.
Note: Okta strongly recommends that you enable SSL.
Windows Server 2008 R2 and Windows Server 2012 and higher. Although the IWA Web Agent will also work with Windows Server 2008, for best results, Okta recommends Windows Server 2008 R2 and Windows Server 2012.
If you use Windows Server 2008 R2, keep in mind the following:
Microsoft requires Windows Server 2008 R2 users to have an extended support agreement. Also, Microsoft plans to EOL Windows Server 2008 R2 by 2020.
Additional security configuration is required if your IWA Web App is installed on a server running Windows Server 2008 R2. For more information, see Enabling TLS 1.2 on Windows Server 2008 R2.
.NET 3.5 and ASP .NET 4.5 (installed automatically with the agent).
IIS 7.5 or higher must be installed on the server. If the required IIS version is not installed, the installer quits and you receive an error message.
AD Agent 3.0.4.x or higher. The AD agent does not have to be on the same server that hosts the Okta IWA Web App. 
If your enterprise has more than one domain, see the topic Configuring UPN Transformation.
If your IWA Web App is installed on a Virtual Machine (VM) with other web apps, see this topic.