How to Set Up SAML Federation for Amazon OpenSearch Serverless with Okta on Amazon Web Services
Amazon OpenSearch Service is a fully managed search service that allows you to build powerful search capabilities into your applications. It provides a scalable and reliable solution for indexing and querying large amounts of data. To enhance the security of your OpenSearch service, you can set up SAML federation with Okta, a popular identity provider, on Amazon Web Services (AWS).
SAML (Security Assertion Markup Language) is an XML-based standard for exchanging authentication and authorization data between an identity provider (IdP) and a service provider (SP). By setting up SAML federation, you can enable single sign-on (SSO) for your OpenSearch service, allowing users to authenticate using their Okta credentials.
Here’s a step-by-step guide on how to set up SAML federation for Amazon OpenSearch Serverless with Okta on AWS:
1. Set up an Amazon OpenSearch Service domain:
– Log in to the AWS Management Console and navigate to the OpenSearch Service page.
– Click on “Create a new domain” and provide a name for your domain.
– Choose the desired version of OpenSearch and configure the domain settings according to your requirements.
– Click on “Next” and review the configuration. Once satisfied, click on “Confirm”.
2. Configure Okta as the identity provider:
– Log in to your Okta admin console.
– Navigate to the “Applications” tab and click on “Add Application”.
– Search for “Amazon Web Services (AWS)” and select it from the results.
– Click on “Add” and provide a name for the application.
– In the “Sign-on Options” section, select “SAML 2.0” as the sign-on method.
– In the “SAML Settings” section, enter the following information:
– ACS URL: The Assertion Consumer Service URL of your OpenSearch domain. You can find this in the AWS Management Console under the “Domain details” section.
– Audience URI (SP Entity ID): The unique identifier for your OpenSearch domain. This can be any value you choose.
– Name ID format: Select “EmailAddress” or any other format that matches your user identifiers.
– Click on “Next” and review the configuration. Once satisfied, click on “Finish”.
3. Configure OpenSearch as the service provider:
– In the AWS Management Console, navigate to the OpenSearch Service page and select your domain.
– Click on the “Security” tab and then on “Configure SAML”.
– In the “SAML provider” section, click on “Create SAML provider”.
– Provide a name for the SAML provider and upload the Okta metadata file. You can download this file from the Okta admin console by clicking on “Identity Provider metadata”.
– Click on “Next” and review the configuration. Once satisfied, click on “Create”.
4. Configure SAML role mapping:
– In the AWS Management Console, navigate to the OpenSearch Service page and select your domain.
– Click on the “Security” tab and then on “Configure SAML”.
– In the “Role mapping” section, click on “Create SAML role mapping”.
– Map Okta groups or attributes to OpenSearch roles based on your desired access control policies.
– Click on “Next” and review the configuration. Once satisfied, click on “Create”.
5. Test the SAML federation:
– In the AWS Management Console, navigate to the OpenSearch Service page and select your domain.
– Click on the “Security” tab and then on “Configure SAML”.
– Click on the “Test SAML configuration” button.
– You will be redirected to the Okta login page. Enter your Okta credentials and authenticate.
– If the test is successful, you will be redirected back to the OpenSearch console.
Congratulations! You have successfully set up SAML federation for Amazon OpenSearch Serverless with Okta on AWS. Users can now authenticate to your OpenSearch service using their Okta credentials, providing a seamless and secure experience.
Remember to regularly review and update your SAML federation configuration to ensure the security of your OpenSearch service.
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