I'm trying to setup multi-factor authentication using Duo Security on Splunk 6.6.5. Our Splunk server isn't allowed to talk to Duo's API servers directly due to security restrictions. I have set up a DUO auth proxy server following the guide here [https://duo.com/docs/authproxy_reference. When I go to setup the multi-factor authentication in Splunk there isn't a spot for a proxy server so I'm just specifying the proxy server as the API hostname. I'm getting timeout errors and am not able to finish setup. I was just wondering if anyone else has had to use a duo proxy server for mfa and what they did to get it to work.
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