Duo Authentication Proxy Configuration Official
Here are some example configuration files for popular platforms:
Windows Server 2016 or later (recommended), or various Linux distributions like CentOS 7, Red Hat Enterprise Linux 7+, and Ubuntu 16.04+. duo authentication proxy configuration
Common issues include:
The proxy runs on Windows or Linux servers inside your network. It listens for authentication requests (RADIUS or LDAP), reaches out to Duo’s cloud service to verify the user’s second factor, and then forwards the success/failure back to the requesting device. Here are some example configuration files for popular
[ldap_server] ldap_listen_port = 389 client = ad_client Red Hat Enterprise Linux 7+

