Multi-factor authentication with two IdPs
DCiarniello at central1.com
Thu Aug 27 16:29:37 EDT 2015
I am looking to integrate Shibboleth into a pre-existing SSO system to add a second authentication step.
The current setup is, I believe, fairly standard with a service provider behind a reverse proxy (an F5) with an ADFS system providing SSO services.
As I understand it, the basic workflow is:
1. F5 redirects user to ADFS for login
2. ADFS returns SAML response to the F5 with various "claims" including a user id
3. F5 then forwards the SAML response to the service provider
What I would like to do is insert a step after step 2 whereby after initial login, the F5 forwards the SAML Response to Shibboleth for further authentication using a custom extension. The custom extension requires the user id from the initial login to perform the second authentication step.
I'm wondering if this is possible? Is so, how would I set up Shibboleth to process a SAML Response rather than a SAML Request?
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