.. _twostep-auth-googleotp: Google OTP ===================== Genian NAC can perform 2-step authentication for administrator account login by installing Google OTP. Step 1. Enable 2-Step Authentication for Administrator Account --------------------------------------------------------------- #. Go to **Management > User** in the top panel. #. In the left user management panel, go to **All Administrators**. #. Find and click the **User ID** to which 2-step authentication will be applied. #. In **Login Settings**, set **2-Step Authentication** to **OTP (Google Authenticator)**. #. Click **OTP (Google OTP)**. #. In **Alarm Information Settings**, enter the following: - **SMS Reception Number** (*e.g.: KR +82-010-1234-5678*) - **Email** (*You can enter multiple email addresses separated by commas.*) #. Click **Update**. .. note:: To apply 2-step authentication for an administrator account, the Policy Server's 2-step authentication settings must also be completed. Step 2. Enable Policy Server 2-Step Authentication ---------------------------------------------------------- #. Go to **Preferences** in the top panel. #. In the left preferences panel, go to **Admin Console**. #. Find **Enable 2-Step Authentication in WEB Console**. #. Click the **OTP (Google Authenticator) checkbox**. #. Click **Update**. Step 3. Google OTP Setup ---------------------------------- #. Log out from the Policy Server Web UI and log in again with the administrator account for which 2-step authentication has been set. #. The 2-Step Authentication Wizard for Google OTP setup will appear. #. Click **Start Setup**. #. Install **Google OTP** from the smartphone's app store. #. Click **Next**. #. Select **QR-Code** for **Security Key Transfer Method** and click **Generate Security Key**. #. Scan the generated **QR code** with your **smartphone**. #. Enter the **6-digit number** generated in the **Google OTP** app into the **Authentication Code** field. #. Click **Enter**.