Knowledge Base | Duo Security (2024)

FAQs

What are the requirements for duo authentication? ›

System requirements for two-factor authentication apps include access to an Apple ID or Google account, a trusted device or phone number, and an internet connection. The most recent software upgrades are often required to ensure your device is protected by the latest security patches.

As per the DUO article Why do I see an "Insufficient telephony credits" or "Passcodes not sent" error in the Duo Prompt while attempting to authenticate? , if there are not enough telephony credits to send a phone call or SMS during authentication via the Duo Prompt, the call or SMS will not be sent and the error ...

Click the Activate Duo Mobile link in the "Device Info" section. This link is only available when you set the phone type to "Mobile" and selected something other than "Unknown" as the platform. Then on the next page click the Generate Duo Mobile Activation Code button.

How It Works. Once you've enrolled in Duo you're ready to go: You'll login as usual with your username and password, and then use your device to verify that it's you. Your administrator can set up the system to do this via SMS, voice call, one-time passcode, the Duo Mobile smartphone app, and so on.

Check device settings. Check internet connectivity. Check that the device can contact Duo's cloud service. Attempts to send a test Duo Push notification.

Cisco Duo rates 4.5/5 stars with 387 reviews. By contrast, Google Authenticator rates 4.6/5 stars with 460 reviews. Each product's score is calculated with real-time data from verified user reviews, to help you make the best choice between these two options, and decide which one is best for your business needs.

Duo Premier, Duo Advantage, and Duo Essentials plan accounts with automatic billing receive 100 credits per user per year. For example, a customer subscribing to the "Up to 30 users" Duo Essentials plan will receive 3,000 Allowance Credits per year.

For all Duo-protected integrations and the Duo Admin Panel, Duo uses HOTP, or HMAC-based one-time password (OTP) to generate passcodes for authentication. Duo Mobile allows users to generate event-based passcodes that are valid until they have been used.

Duo supports telephony-based authentication via phone calls and SMS messages. Each authentication call or SMS message is debited against your telephony credit balance. SMS messages to the US and Canada cost 1 credit each and phone calls to the US and Canada cost 2 credits each.

To generate a bypass code: Log in to the Duo Admin Panel and click Users in the left sidebar. Select a user by clicking their username. Scroll down to the bottom of the user properties page and click the Add Bypass Code button.

What is the Duo Mobile app not compatible with? ›

Supported Platforms: The current version of Duo Mobile supports Android 11 and greater. Duo does not provide official support for non-standard custom Android distributions like OnePlus, LineageOS, or ColorOS, nor is Duo Mobile supported for use on ChromeOS.

And now, you can enroll multiple devices – cell phones, tablets, or landlines - to ensure that you can log in when you need to on the device you have at hand. 1. The next time DUO prompts you (for example, when you're logging in to WebConnect), click the Add a new device link at left.

Duo Mobile never tracks users around the internet and we never sell your device data to anyone. Crash Reporting. Duo Mobile uses a pseudonymized mobile crash reporting service.

Duo Mobile Push for smartphones or tablets is the recommended authentication method. If you select SMS as your authentication method, a text message with a seven-digit passcode is sent to your device. The SMS text message is sent from the short code 386732.

Duo can be configured to allow specific users or groups to logon in “offline” mode - bypassing MFA. Duo policies can be configured to allow users who are not enrolled in Duo to bypass MFA. This is recommended by Duo when testing new deployments in order to allow a pilot group of users to perform testing.

Duo Mobile requires approximately 32 MB of internal storage on an Android device (varies with device) and 30.8 MB on an iPhone. Duo Mobile permissions require access to send you notifications and to your device's camera. The camera access is only used to scan a code as part of the activation process.

Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something. The first factor is a password and the second commonly includes a text with a code sent to your smartphone, or biometrics using your fingerprint, face, or retina.

You can skip phone number verification. If you skip this step, you have to connect to your Google Account.

The Duo Authentication Proxy can be installed on a physical or virtual host. We recommend a system with at least 1 CPU, 200 MB disk space, and 4 GB RAM (although 1 GB RAM is usually sufficient).