WordPress Azure App Service Linux Login Authentication with Azure AD

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To set up WordPress Azure App Service Linux login authentication with Azure AD, you'll need to create an Azure Active Directory (AAD) tenant.

Azure AD is a cloud-based identity and access management solution that integrates with Azure App Service.

To create an AAD tenant, go to the Azure portal and click on "Azure Active Directory" in the navigation menu.

This will take you to the Azure AD dashboard, where you can click on "Create a directory" to start the process.

Azure AD Configuration

Azure AD Configuration is a crucial aspect of setting up WordPress on Azure App Service with Linux login authentication. Azure Active Directory (Azure AD) is a cloud-based identity and access management solution that allows users to access applications securely.

To enable Azure AD authentication, you need to configure the Azure AD provider in your Azure App Service. The Azure AD provider has several settings, including enabled, isAutoProvisioned, login, registration, and validation.

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The login settings control the configuration of the Azure Active Directory login flow. The registration settings control the configuration of the Azure Active Directory app registration. The validation settings control the configuration of the Azure Active Directory token validation flow.

Here are the key settings you need to configure for Azure AD registration:

  • Client ID: The Client ID of this relying party application, known as the client_id.
  • Client Secret Certificate Issuer: An alternative to the client secret thumbprint, that is the issuer of a certificate used for signing purposes.
  • Client Secret Certificate Subject Alternative Name: An alternative to the client secret thumbprint, that is the subject alternative name of a certificate used for signing purposes.
  • Client Secret Certificate Thumbprint: An alternative to the client secret, that is the thumbprint of a certificate used for signing purposes.
  • Client Secret Setting Name: The app setting name that contains the client secret of the relying party application.
  • OpenID Issuer: The OpenID Connect Issuer URI that represents the entity which issues access tokens for this application.

Here's a summary of the key Azure AD registration settings:

Login Authentication

Login authentication is a crucial aspect of WordPress Azure App Service Linux. You can configure the authentication settings using the SiteAuthSettingsV2Properties, which includes settings for global validation, HTTP requests, identity providers, login flow, and platform configuration.

The login flow configuration, under SiteAuthSettingsV2Properties, allows you to specify the allowed external redirect URLs, cookie expiration, nonce settings, and routes for login and logout requests. These settings are essential for a seamless user experience.

Here are some key login authentication settings:

By configuring these settings, you can ensure a secure and efficient login authentication process for your WordPress Azure App Service Linux users.

Login

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The login process is a crucial part of authentication. It involves several settings that determine how users are authenticated.

The allowedExternalRedirectUrls setting allows you to specify external URLs that can be redirected to as part of logging in or logging out of the app. This is an advanced setting typically only needed by Windows Store application backends.

You can configure the cookieExpiration setting to control the session cookie's expiration. This setting determines how long the cookie remains valid after a user logs in.

The nonce setting is used in the login flow to validate the user's request. You can configure the nonceExpirationInterval to specify the time after the request is made when the nonce should expire.

Here's a summary of the login settings:

The preserveUrlFragmentsForLogins setting determines whether the fragments from the request are preserved after the login request is made. If you want to preserve the fragments, set this setting to true.

Allowed Principals

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In the context of login authentication, allowed principals play a crucial role in determining who can access a system or application.

The list of allowed groups is a key component of allowed principals, which is represented by the "groups" value. This value is a string array, indicating that it can hold multiple group names.

Allowed identities are another essential aspect of allowed principals, listed under the "identities" value. Like groups, identities are also represented as a string array, allowing for multiple identity names to be stored.

Identity Providers

You can connect your WordPress site to various identity providers to enable login authentication for your users. This includes providers like Apple, Azure Active Directory, and Facebook.

The configuration settings for each provider are stored in the Identity Providers section. For example, the Apple provider has a specific configuration setting named Apple.

Here's a list of the identity providers you can connect to:

Each provider requires specific configuration settings, such as the Client ID of the app used for login, which is a string.

App Service Settings

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To set up login authentication for your WordPress site on Azure App Service Linux, you'll need to configure the App Service Settings.

The App ID of your app used for login is a string value that you'll need to specify. This is the appId value mentioned in the AppRegistration table.

The app setting name that contains the app secret is also a string value. This is the appSecretSettingName value from the same table.

To summarize, you'll need to provide the appId and appSecretSettingName values as part of your App Service Settings.

Managed Identity Support

Managed Identity Support is a game-changer for WordPress on Azure App Service Linux. It allows you to authenticate users without storing credentials.

With Managed Identity, you can use Azure Active Directory (AAD) to authenticate users, eliminating the need for username and password combinations. This is especially useful for developers who want to avoid hardcoding credentials.

Azure App Service Linux supports Managed Identity, making it easier to integrate with Azure services. You can enable Managed Identity in the Azure portal or through the Azure CLI.

Check this out: Azure Managed

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You can use the Azure CLI to configure Managed Identity for your Azure App Service Linux instance. This will automatically create a service principal and configure the necessary permissions.

Managed Identity also allows you to use Azure AD groups to manage access to your WordPress site. This is a great way to control who has access to your site without having to manage individual user accounts.

Azure AD Validation

Azure AD Validation is a crucial step in securing your WordPress app on Azure App Service Linux. The allowedAudiences setting specifies the list of audiences that can make successful authentication/authorization requests.

To configure allowedAudiences, you'll need to provide a list of strings that match the expected audience values. This setting is essential for ensuring that only authorized clients can access your app.

Here's a brief overview of the required settings for Azure AD Validation:

By configuring these settings correctly, you'll be able to ensure that your WordPress app on Azure App Service Linux is properly validated and secured using Azure AD.

Registration and Setup

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To enable OpenID Connection authentication with Azure Active Directory, you'll need to provide the Client ID of your relying party application, also known as the client_id. This setting is required.

The Client ID is a string value that can be found in the Azure Active Directory Registration settings. You can also use alternative settings such as clientSecretCertificateIssuer, clientSecretCertificateSubjectAlternativeName, or clientSecretCertificateThumbprint, but they are optional.

To complete the registration, you'll also need to specify the OpenID Connect Issuer URI, which represents the entity that issues access tokens for your application. This value is a case-sensitive identifier for the token issuer and can be found in the Azure Active Directory Registration settings.

Here's a summary of the required settings:

Azure AD Registration

Azure AD Registration is a crucial step in setting up authentication with Azure Active Directory. To enable OpenID Connection authentication, you'll need to provide the Client ID of your relying party application, also known as the client_id.

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This setting is required and can be found in the AzureActiveDirectoryRegistration section. The Client ID is a unique identifier for your application, and it's used to authenticate users.

You can also use alternative settings, such as the clientSecretCertificateIssuer, clientSecretCertificateSubjectAlternativeName, or clientSecretCertificateThumbprint, which are optional. These settings use a certificate for signing purposes instead of a client secret.

The openIdIssuer is another important setting, which represents the entity that issues access tokens for your application. When using Azure Active Directory, this value is the URI of the directory tenant, e.g. https://login.microsoftonline.com/v2.0/{tenant-guid}/.

Here's a summary of the Azure AD Registration settings:

By providing these settings, you'll be able to authenticate users with Azure Active Directory.

Twitter Registration

To enable Twitter Sign-In, you'll need to set up your Twitter application with an OAuth 1.0a consumer key.

This key is a required setting for Twitter Sign-In, and you can find more information on how to set it up on the Twitter Developer website.

If this caught your attention, see: Azure App Service Environment Variables Key Vault

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The OAuth 1.0a consumer key is a string of characters that identifies your Twitter application.

Here's a breakdown of the settings you'll need to configure for Twitter Registration:

The consumer secret setting name is another important setting that you'll need to configure for Twitter Registration.

Margarita Champlin

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Margarita Champlin is a seasoned writer with a passion for crafting informative and engaging content. With a keen eye for detail and a knack for simplifying complex topics, she has established herself as a go-to expert in the field of technology. Her writing has been featured in various publications, covering a range of topics, including Azure Monitoring.

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