--- title: "Second Factor" description: "Configuring Authelia Second Factor Authentication." lead: "Authelia provides a number of 2FA methods. This section describes these methods." date: 2022-03-20T12:52:27+11:00 draft: false images: [] menu: configuration: parent: "second-factor" weight: 103100 toc: true --- ## One Time Password Authelia supports configuring [Time-based One Time Password](time-based-one-time-password.md)'s. ## Security Key Authelia supports configuring [WebAuthn](webauthn.md) Security Keys. ## Mobile Push Authelia supports configuring [Duo](duo.md) to provide a mobile push service.