Nagios XI – Using DUO Two Factor Authentication

This document describes how to configure Nagios XI to use DUO for two factor authentication (2FA). Nagios XI already provides email 2FA however DUO can be used instead, this makes 2FA more accessible on more devices.

This document is intended for use by Nagios Administrators that need to configure DUO on Nagios XI.

Using DUO 2FA with Nagios XI – 2024 & 2026

Using DUO with XI 2026

Using DUO 2FA with Nagios XI – v5 (Legacy)

Using DUO with XI 5