--- title: Authentication author: rick-anderson description: This document serves as a table of content for the various ASP.NET Core authentication topics. manager: wpickett ms.author: riande ms.date: 10/14/2016 ms.prod: asp.net-core ms.technology: aspnet ms.topic: article uid: security/authentication/index --- # Authentication * [Community OSS authentication options](community.md) * [Introduction to Identity](identity.md) * [Enable authentication using Facebook, Google, and other external providers](social/index.md) * [Enable QR code generation in Identity](identity-enable-qrcodes.md) * [Configure Windows Authentication](windowsauth.md) * [Account confirmation and password recovery](accconfirm.md) * [Two-factor authentication with SMS](2fa.md) * [Use cookie authentication without Identity](cookie.md) * [Azure Active Directory](azure-active-directory/index.md) * [Integrate Azure AD into an ASP.NET Core web app](https://azure.microsoft.com/documentation/samples/active-directory-dotnet-webapp-openidconnect-aspnetcore/) * [Integrate Azure AD B2C into a customer-facing ASP.NET Core web app](azure-ad-b2c.md) * [Integrate Azure AD B2C into an ASP.NET Core web API](azure-ad-b2c-webapi.md) * [Call an ASP.NET Core Web API from a WPF app using Azure AD](https://azure.microsoft.com/documentation/samples/active-directory-dotnet-native-aspnetcore/) * [Call a Web API in an ASP.NET Core web app using Azure AD](https://azure.microsoft.com/documentation/samples/active-directory-dotnet-webapp-webapi-openidconnect-aspnetcore/) * [Secure ASP.NET Core apps with IdentityServer4](http://docs.identityserver.io/en/release/) * [Secure ASP.NET Core apps with Azure App Service Authentication (Easy Auth)](https://docs.microsoft.com/azure/app-service/app-service-authentication-overview) * [Articles based on projects created with individual user accounts](xref:security/authentication/individual)