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Tutorial: Microsoft Entra single sign-on (SSO) integration with Oktopost SAML

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In this tutorial, you'll learn how to integrate Oktopost SAML with Microsoft Entra ID. When you integrate Oktopost SAML with Microsoft Entra ID, you can:

  • Control in Microsoft Entra ID who has access to Oktopost SAML.
  • Enable your users to be automatically signed-in to Oktopost SAML with their Microsoft Entra accounts.
  • Manage your accounts in one central location.

Prerequisites

To get started, you need the following items:

  • A Microsoft Entra subscription. If you don't have a subscription, you can get a free account.
  • Oktopost SAML single sign-on (SSO) enabled subscription.

Scenario description

In this tutorial, you configure and test Microsoft Entra SSO in a test environment.

  • Oktopost SAML supports SP and IDP initiated SSO

Note

Identifier of this application is a fixed string value so only one instance can be configured in one tenant.

To configure the integration of Oktopost SAML into Microsoft Entra ID, you need to add Oktopost SAML from the gallery to your list of managed SaaS apps.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.
  2. Browse to Identity > Applications > Enterprise applications > New application.
  3. In the Add from the gallery section, type Oktopost SAML in the search box.
  4. Select Oktopost SAML from results panel and then add the app. Wait a few seconds while the app is added to your tenant.

Alternatively, you can also use the Enterprise App Configuration Wizard. In this wizard, you can add an application to your tenant, add users/groups to the app, assign roles, as well as walk through the SSO configuration as well. Learn more about Microsoft 365 wizards.

Configure and test Microsoft Entra SSO for Oktopost SAML

Configure and test Microsoft Entra SSO with Oktopost SAML using a test user called B.Simon. For SSO to work, you need to establish a link relationship between a Microsoft Entra user and the related user in Oktopost SAML.

To configure and test Microsoft Entra SSO with Oktopost SAML, perform the following steps:

  1. Configure Microsoft Entra SSO - to enable your users to use this feature.
    1. Create a Microsoft Entra test user - to test Microsoft Entra single sign-on with B.Simon.
    2. Assign the Microsoft Entra test user - to enable B.Simon to use Microsoft Entra single sign-on.
  2. Configure Oktopost SAML SSO - to configure the single sign-on settings on application side.
    1. Create Oktopost SAML test user - to have a counterpart of B.Simon in Oktopost SAML that is linked to the Microsoft Entra representation of user.
  3. Test SSO - to verify whether the configuration works.

Configure Microsoft Entra SSO

Follow these steps to enable Microsoft Entra SSO.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.

  2. Browse to Identity > Applications > Enterprise applications > Oktopost SAML > Single sign-on.

  3. On the Select a single sign-on method page, select SAML.

  4. On the Set up single sign-on with SAML page, click the pencil icon for Basic SAML Configuration to edit the settings.

    Edit Basic SAML Configuration

  5. On the Basic SAML Configuration section, the user does not have to perform any step as the app is already pre-integrated with Azure.

  6. Click Set additional URLs and perform the following step if you wish to configure the application in SP initiated mode:

    In the Sign-on URL text box, type the URL: https://app.oktopost.com/auth/login

  7. Click Save.

  8. On the Set up single sign-on with SAML page, in the SAML Signing Certificate section, find Certificate (Base64) and select Download to download the certificate and save it on your computer.

    The Certificate download link

  9. On the Set up Oktopost SAML section, copy the appropriate URL(s) based on your requirement.

    Copy configuration URLs

Create a Microsoft Entra test user

In this section, you'll create a test user called B.Simon.

  1. Sign in to the Microsoft Entra admin center as at least a User Administrator.
  2. Browse to Identity > Users > All users.
  3. Select New user > Create new user, at the top of the screen.
  4. In the User properties, follow these steps:
    1. In the Display name field, enter B.Simon.
    2. In the User principal name field, enter the username@companydomain.extension. For example, B.Simon@contoso.com.
    3. Select the Show password check box, and then write down the value that's displayed in the Password box.
    4. Select Review + create.
  5. Select Create.

Assign the Microsoft Entra test user

In this section, you'll enable B.Simon to use single sign-on by granting access to Oktopost SAML.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.
  2. Browse to Identity > Applications > Enterprise applications > Oktopost SAML.
  3. In the app's overview page, select Users and groups.
  4. Select Add user/group, then select Users and groups in the Add Assignment dialog.
    1. In the Users and groups dialog, select B.Simon from the Users list, then click the Select button at the bottom of the screen.
    2. If you are expecting a role to be assigned to the users, you can select it from the Select a role dropdown. If no role has been set up for this app, you see "Default Access" role selected.
    3. In the Add Assignment dialog, click the Assign button.

Configure Oktopost SAML SSO

  1. Log in to the Oktopost SAML as an administrator.

  2. Click on the User Icon > Settings.

    Oktopost SAML Settings

  3. In the Settings, go to the Security > Single Sign-on page and perform the following steps.

    Oktopost SAML configuration

    a. Select Enable Single Sign-on to Yes.

    b. In the SAML Endpoint textbox, paste the Login URL value which you copied previously.

    c. In the Issuer textbox, paste the Microsoft Entra Identifier value which you copied previously.

    d. Open the downloaded Certificate (Base64) into Notepad and paste the content into the X.509 Certificate textbox.

    e. Click Save.

Create Oktopost SAML test user

  1. Log in to the Oktopost SAML as an administrator.

  2. Click on the User Icon > Settings.

    Oktopost SAML test user1

  3. Go to the User Management > Users > Add User.

    Oktopost SAML test user2

  4. Fill the required fields in the pop up, and click on Send.

    Oktopost SAML test user3

Test SSO

In this section, you test your Microsoft Entra single sign-on configuration with following options.

SP initiated:

  • Click on Test this application, this will redirect to Oktopost SAML Sign on URL where you can initiate the login flow.

  • Go to Oktopost SAML Sign-on URL directly and initiate the login flow from there.

IDP initiated:

  • Click on Test this application, and you should be automatically signed in to the Oktopost SAML for which you set up the SSO

You can also use Microsoft My Apps to test the application in any mode. When you click the Oktopost SAML tile in the My Apps, if configured in SP mode you would be redirected to the application sign on page for initiating the login flow and if configured in IDP mode, you should be automatically signed in to the Oktopost SAML for which you set up the SSO. For more information about the My Apps, see Introduction to the My Apps.

Next steps

Once you configure Oktopost SAML you can enforce session control, which protects exfiltration and infiltration of your organization’s sensitive data in real time. Session control extends from Conditional Access. Learn how to enforce session control with Microsoft Defender for Cloud Apps.