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Tutorial: Microsoft Entra SSO integration with Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud

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In this tutorial, you'll learn how to integrate Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud with Microsoft Entra ID. When you integrate Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud with Microsoft Entra ID, you can:

  • Control in Microsoft Entra ID who has access to Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud.
  • Enable your users to be automatically signed in to Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud with their Microsoft Entra accounts.
  • Manage your accounts in one central location: the Azure portal.

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.
  • Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud single sign-on (SSO) enabled subscription.

Scenario description

In this tutorial, you configure and test Microsoft Entra single sign-on in a test environment.

  • Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud supports SP initiated SSO.

To configure the integration of Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud into Microsoft Entra ID, you need to add Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud 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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud in the search box.
  4. Select Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud 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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud

Configure and test Microsoft Entra SSO with Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud 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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud.

To configure and test Microsoft Entra SSO with Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud, 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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud SSO - to configure the single sign-on settings on application side.
    1. Create Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud test user - to have a counterpart of B.Simon in Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud 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 > Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud > 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, perform the following steps:

    a. In the Sign-on URL text box, type a URL using the following pattern: https://<splunkserverUrl>/app/launcher/home

    b. In the Identifier box, type a URL using the following pattern: <splunkserverUrl>

    c. In the Reply URL text box, type a URL using the following pattern: https://<splunkserver>/saml/acs

    Note

    These values are not real. Update these values with the actual Sign-On URL, Identifier and Reply URL. Contact Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud Client support team to get these values. You can also refer to the patterns shown in the Basic SAML Configuration section.

  6. On the Set up Single Sign-On with SAML page, in the SAML Signing Certificate section, click Download to download the Federation Metadata XML from the given options as per your requirement and save it on your computer.

    The Certificate download link

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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.
  2. Browse to Identity > Applications > Enterprise applications > Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud.
  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 Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud SSO

  1. Log in to the Splunk Enterprise and Splunk Cloud website as an administrator.

  2. Go to the Settings > Access Controls menu option.

  3. Click on the Authentication method link. Click on the SAML radio button

  4. Click on the Configure Splunk to use SAML link below the SAML radio button.

    Screenshot that shows Configure Splunk to use SAML.

  5. Perform the following steps in the SAML Configuration section:

    Screenshot that shows Configure Splunk to SAML configuration.

    a. Click on the Select File button to upload the Federation Metadata XML file, which you have downloaded previously.

    b. In the Entity ID field, enter the Identifier value, which you copied previously.

    c. Check the Verify SAML response checkbox.This will be a requirement moving forward in Splunk Cloud for security best practices, so please make sure this is checked.

  6. Scroll down within the configuration dialogue and click on the Alias section. Enter the following values in each attribute:

    a. Role alias: http://schemas.microsoft.com/ws/2008/06/identity/claims/groups

    b.RealName alias: http://schemas.microsoft.com/identity/claims/displayname

    c. Mail alias: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress

    Screenshot that shows role mapping.

  7. Scroll down to the Advanced Settings section and perform the following steps:

    Screenshot that shows Advanced Settings.

    a. Click the Name Id Format and select Email Address from the dropdown.

    b. In the Fully qualified domain name or IP of the load balancer text box, enter the value as: https://<acme>.splunkcloud.com.

    c. Set Redirect port – load balancer port to 0(zero) and click Save.

  8. Click on the green New Group button in the upper right hand corner of the SAML Groups configuration screen in Splunk.

  9. In the Create new SAML Group configuration dialogue, paste in the first Object ID into the Group Name field. Then choose one or more Splunk Roles that you wish to map to users that are assigned to that group from the Available Item(s) box; the items you choose will populate over into the Selected Item(s) box. Click the green Save button once finished.

Create Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud test user

In this section, you create a user called Britta Simon in Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud. Work with Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud support team to add the users in the Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud platform. Users must be created and activated before you use single sign-on.

Test SSO

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

  • Click on Test this application, this will redirect to Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud Sign-on URL where you can initiate the login flow.

  • Go to Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud Sign-on URL directly and initiate the login flow from there.

  • You can use Microsoft My Apps. When you click the Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud tile in the My Apps, this will redirect to Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud Sign-on URL. For more information about the My Apps, see Introduction to the My Apps.

Next steps

Once you configure Microsoft Entra SSO for Splunk Enterprise and Splunk Cloud 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.