Overview
DuoSecurity for staff is a plugin that utilizes Duo Security service to provide simple two-factor authentication for your staff members via the tool of your choice: phone callback, SMS-delivered one-time passcodes, Duo mobile app to generate one-time passcodes, Duo mobile app for smartphone push authentication or Duo hardware token to generate one-time passcodes.
Module configuration
You will need to set up Web SDK integration in Duo administration interface to obtain Integration Key, Secret Key, and API hostname, which you will have to provide while setting up Duo Security module in HostBill. Double check your integration while setting it up in HostBill, if you don't provide valid details you may get locked out from your admin area. If that happens your only option is to remove this plugin.
This integration works with both DuoSecurity's free and paid accounts.