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Two-Factor Authentication (2FA) for ChromeOS


ChromeOS 2FA (Two-Factor Authentication) or Multi-Factor Authentication is the process of secure Authentication in which a user or an organizational employee have to provide two factors to gain the access to ChromeOS. ChromeOS Two-Factor Authentication starts with user submitting his traditional username and password. Once user successfully gets authenticated with the 1st step verification, configured 2FA (OTP over SMS, Push Notifications, Google Authenticator etc) method prompts on for 2nd-step verification. After successfully authenticating with both of the steps a user is granted with the access to the ChromeOS. This additional verification layer prevents the unauthorized person from accessing the resources even if cyber attackers get to know your credentials.
miniorange provides 15+ authentication methods and solutions for various use cases. It allows users and organization to setup certain authentication and settings which includes password restrictions, restricting sign-in methods, as well as other security settings. miniorange also make way for authentication apps that support Time-Based One-Time Password (TOTP) Google Authenticator, Microsoft Authenticator, Authy 2-Factor authentication app and our own miniorange Authenticator app.


Connect with External Source of Users


miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Azure AD, OpenLDAP, Google, AWS Cognito etc), Identity Providers (like Shibboleth, Ping, Okta, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more.



Apps supported by miniOrange



two factor authentication (2FA) miniOrange authenticator app

miniOrange
Authenticator App

   
two factor authentication (2FA) google authenticator app

Google
Authenticator App

   
two factor authentication (2FA) authy authenticator app

Authy 2-Factor
Authentication App

   
two factor authentication (2FA) Microsoft authenticator app

Microsoft
Authenticator App

   

Follow the Step-by-Step Guide given below for ChromeOS Single Sign-On (SSO)

1. Configure Google Apps in miniOrange

  • Login into miniOrange Admin Console.
  • Go to Apps and click on Add Application button.
  • Google Apps Single Sign-On (SSO) add app

  • In Choose Application Type click on Create App button in SAML/WS-FED application type.
  • Google Apps Single Sign-On (SSO) choose app type

  • Search for Google Apps in the list, if you don't find Google Apps in the list then, search for custom and you can set up your application via Custom SAML App.
  • Google Apps Single Sign-On (SSO) manage apps

    SP Entity ID or Issuer: google.com
    ACS URL: https://www.google.com/a/[domain_name]/acs
    SIngle Logout URL: https://mail.google.com/a/out/tld/?logout
    Name ID: E-mail Address

  • Enter the Domain Administrator in Google Apps (G Suite) Administrator field and click on "Verify Google Apps Administrator" to verify if the domain entered is of administrator (this is an optional field).
  • Leave the Attributes section empty.
  • Google Apps 2FA (Two-Factor Authentication) : Configure ChromeOS in miniOrange

  • Go to the Add Policy and select DEFAULT from the Group Name dropdown.
  • Now enter the name for your app authentication policy in the Policy Name field.
  • Select PASSWORD from the First Factor Type dropdown.
  • Click on Save to add Google Apps (G Suite).
  • Google Apps 2FA (Two-Factor Authentication) : add policy

  • Click on Metadata link to download the metadata which will be required later. Click on Link to see the IDP initiated SSO link for Google Apps (G Suite).
  • Google Apps (G Suite) Single Sign-On (sso) metadata link

  • Keep SAML Login URL , SAML Logout URL and click on the Download Certificate button which you will require in Step 2.
  • Google Apps 2FA (Two-Factor Authentication) : Download Certificate

2. Configure SSO in ChromeOS

  • Now login to Google Admin Console and Select Security Tab from Admin Console.
  • From listed options select Set Up Single Sign-On (SSO) with a third party idp.
  • Google Apps 2FA (Two-Factor Authentication) : admin console set sso idp

  • Enable Setup SSO with third party identity provider checkbox.
  • Enter Sign-In Page URL: SAML Login URL from Step 1.
  • Enter Sign-Out Page URL: < Base Server Url > /idp/oidc/logout?post_logout_redirect_uri=https://gmail.com
    Example: https://login.xecurify.com/moas/idp/oidc/logout?post_logout_redirect_uri=https://gmail.com
  • Upload the certificate (by clicking on Replace Certificate link) that was downloaded earlier in Step 1.
  • Enter Change Password URL: SAML Login URL from Step 1.
  • Save the settings.
  • From the Google Admin console Home page, go to Devices > Chrome.
  • On the left, click Settings > Users & browsers.
  • To apply the setting to all devices, leave the top organizational unit selected. Otherwise, select a child organizational unit.
  • Under Single sign-on, select Enable SAML-based single sign-on for Chrome devices from the list.
  • Click Save.
  • To allow single sign-on users to log in to internal websites and cloud services that rely on the same IdP on subsequent sign-ins to their device, you can enable SAML SSO cookies.(optional)


  • From the Google Admin console Home page, go to Devices > Chrome.
  • On the left, click Settings > Device.
  • To apply the setting to all devices, leave the top organizational unit selected. Otherwise, select a child organizational unit.
  • Under Single sign-on cookie behavior, select Enable transfer of SAML SSO cookies into user session during sign-in from the list.
  • Click Save.
  • 3. Configure 2FA for Google Apps

    3.1: Enable 2FA for Users of Google Apps app

    • To enable 2FA for Users of Google Apps application. Go to Policies >> App Authentication Policy
    • Click on Edit against the configured application.
    • Two factor-authentication for Google Apps | Two Factor Authentication configure 2fa of application

    • Enable the Enable 2-Factor Authentication (MFA) option.
    • Two factor-authentication for Google Apps | Two Factor Authentication enable 2fa

    • Click on Save.

    3.2: Configure 2FA for your Endusers

    • To enable 2FA/MFA for endusers, go to 2-Factor Authentication >> 2FA Options For EndUsers.
    • Select default Two-Factor authentication method for end users. Also, you can select particular 2FA methods, which you want to show on the end users dashboard.
    • Once Done with the settings, click on Save to configure your 2FA settings.
    • MFA/Two-Factor Authentication(2FA) for   Configure 2FA Panel

    3.3: Enduser 2FA Setup

    • Login to End-User Dashboard using end user login URL.
      • For Cloud Version: The login URL (branding url) which you have set.
      • For On-Premise version: The login URL will be the same as of Admin Login URL.
    • Select Setup 2FA from left panel. Then select any of the 2FA method available.
    • For now, we have selected the SMS >> OTP OVER SMS as our 2FA method. You can explore the guide to setup other 2FA methods here.
    • Enable the OTP over SMS if you have your phone number added under your profile section else click on Edit button.
    • MFA/Two-Factor Authentication(2FA) for   Configure 2FA Panel

    • Enter you Phone Number along with the necessary country code and click on the SAVE button.
    • MFA/Two-Factor Authentication(2FA) for   Configure Second Factor-SMS(Enter Mobile Number)

    4. Login with miniOrange

    • Go to your Google Apps Domain. It will redirect you to miniOrange Single Sign-On Service console.
    • Google Apps 2FA (Two-Factor Authentication) : user credentials

    • Enter your miniOrange login credentials and click on Login.
    • Since we have Two-factor authentication(2FA) enabled, you will be prompted to register for it. It's a one time process.
    • Configure your basic details.
    • Google Apps 2FA (Two-Factor Authentication) : user registration

    • Configure any authentication method of your choice.
    • Google Apps 2FA (Two-Factor Authentication) : add new security

    • After successful registration, you will be logged in to your Google Apps account.
    • Now we have Two-factor authentication enabled.
    • To verify your Two-factor authentication(2FA) configuration, go to your Google Apps Domain. You will be redirected to miniOrange login console.
    • Google Apps 2FA (Two-Factor Authentication) : verify user credentials

    • Enter your login credentials, and click on login. It will prompt to verify yourself against the configured 2fa method.
      e.g. If you have configured OTP over SMS, after login into Google Apps it will prompt for OTP.
    • Google Apps 2FA (Two-Factor Authentication) : otp prompt

    • Enter the OTP received in your phone, after successful 2fa verification, you will be redirected to the Google Apps dashboard.

    5. Adaptive Authentication with Google Apps

    A. Restricting access to Google Apps with IP Blocking

      You can use adaptive authentication with Google Apps Single Sign-On (SSO) to improve the security and functionality of Single Sign-On. You can allow a IP Address in certain range for SSO or you can deny it based your requirements and you can also challenge the user to verify his authenticity. Adaptive authentication manages the user authentication bases on different factors such as Device ID, Location, Time of Access, IP Address and many more.

      You can configure Adaptive Authentication with IP Blocking in following way:
    • Login to Self Service Console >> Adaptive Authentication.
    • Add a Policy Name for your Adaptive Authentication Policy.
    • Google Apps Single Sign-On (SSO) Restrict Access adaptive authnetication policy

    • Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.
    • Google Apps Single Sign-On (SSO) Restrict Access adaptive authentication behaviour change


      Action for behaviour Change Options :


      Attribute Description
      Allow Allow user to authenticate and use services if Adaptive authentication condition is true.
      Challenge Challenge users with one of the three methods mentioned below for verifying user authenticity.
      Deny Deny user authentications and access to services if Adaptive authentication condition is true.

      Challenge Type Options :

      Attribute Description
      User second Factor The User needs to authenticate using the second factor he has opted or assigned for such as
    • OTP over SMS
    • PUSH Notification
    • OTP over Email
    • And 12 more methods.
    • KBA (Knowledge-based authentication) The System will ask user for 2 of 3 questions he has configured in his Self Service Console. Only after right answer to both questions user is allowed to proceed further.
      OTP over Alternate Email User will receive a OTP on the alternate email he has configured threw Self Service Console. Once user provides the correct OTP he is allowed to proceed further.

    • Now Enable Enable IP Restriction option from the IP RESTRICTION CONFIGURATION section to configure custom IP range.
    • Google Apps Single Sign-On (SSO) Restrict Access adaptive authentication ip blocking

    • Select the Action you want to perform if the IP address is out of the range. i.e. Allow, Challenge & Deny.
    • Specify the IP Address range for which you want above setting to reflect. You can add more than one IP Address ranges by clicking on following button +.
    • Scroll to the end and click on save.


    B. Adaptive Authentication with Limiting number of devices.

      Using Adaptive Authentication you can also restrict the number of devices the end user can access the Services on. You can allow end users to access services on a fixed no. of devices. The end users will be able to access services provided by us on this fixed no. of devices.

      You can configure Adaptive Authentication with Device Restriction in following way

    • Login to Self Service Console >> Adaptive Authentication.
    • Add a Policy Name for your Adaptive Authentication Policy.
    • Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.
    • Google Apps Single Sign-On (SSO) Restrict Access adaptive authentication behaviour and challenge type


    • Scroll down to Device Configuration section and enable Allow User to Register Device option to allow users to register their devices.
    • Enter the Number of Devices which are allowed to register in field next to Number of Device Registrations Allowed
    • Choose Action if number of devices exceeded (This will override your setting for Action for Behaviour Change.)
      1. Challenge: The user needs to verify himself using any of the three methods mentioned in table in step 5.1
      2. Deny : Deny users access to the system
    • Enable option Send email alerts to Users if number of Device registrations exceeded allowed count if you want to alert the user about no of devices exceeding the limit. Save the configuration.
    • Google Apps Single Sign-On (SSO) Restrict Access adaptive authentication enable device restriction


    C. Add Adaptive Authentication policy to Google Apps.

    • Login to Self Service Console >> Policies.
    • Click on Edit option for predefined SAML app policy.
    • Google Apps Single Sign-On (sso) edit device restriction policy

    • Set your application name in the Application and select password as Login Method.
    • Enable Adaptive Authentication on Policy page and select the required restriction method as an option.
    • From Select Login Policy dropdown select the policy we created in last step and click on save.
    • Google Apps Single Sign-On (SSO) Restrict Access save device restriction policy

      How to add a trusted Device
      1. When End-user log in to the self service console after the policy for device restriction is on, he is provided the option to add the current device as a trusted device.

    External References

Our Other Identity & Access Management Products