Duo Authentication Proxy Configuration Jun 2026

The configuration is stored in the authproxy.cfg file.

[duo] ikey = INTEGRATION_KEY skey = SECRET_KEY api_host = api-XXXXXXXX.duosecurity.com duo authentication proxy configuration

The heart of the setup is the authproxy.cfg file. Its location depends on your version and OS: The configuration is stored in the authproxy

Here's an overview of the configuration process: duo authentication proxy configuration

This guide outlines the requirements, installation, and configuration steps to deploy the proxy server.