IdentityServer4 is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core, developed by Dominick Baier and Brock Allen. It enables the implementation of authentication and authorization for web and native applications and APIs.
#What is IdentityServer4?
IdentityServer4 is an open-source framework for building secure identity solutions in .NET. It enables you to secure your web applications, APIs, and microservices with various authentication and authorization mechanisms. It’s built on top of ASP.NET Core and provides support for various protocols such as OpenID Connect and OAuth 2.0.
#IdentityServer4 Key Features
Most recognizable IdentityServer4 features include:
- Support for various authentication and authorization mechanisms such as OAuth 2.0, OpenID Connect, and WS-Federation.
- Integration with ASP.NET Core Identity to provide user authentication and management.
- Ability to issue access tokens and refresh tokens for secure API access.
- Support for custom claims and user roles to enable fine-grained authorization.
- Built-in support for multi-tenancy to enable separate authentication and authorization for different tenants.
- Easy integration with third-party identity providers such as Google and Facebook.
- Some of the use cases of IdentityServer4 are:
Some of the IdentityServer4 use-cases are:
- Securing web applications, APIs, and microservices using various authentication and authorization mechanisms.
- Implementing single sign-on (SSO) across multiple applications.
- Enabling multi-factor authentication (MFA) for secure access to sensitive data and resources.
- Implementing secure token-based authentication and authorization for mobile and IoT applications.
- Implementing role-based access control (RBAC) for fine-grained authorization.
- Enabling secure external authentication and authorization through third-party identity providers.
IdentityServer4 is an open-source framework for building secure identity solutions in .NET, providing support for various authentication and authorization mechanisms, easy integration with ASP.NET Core Identity, and the ability to issue access tokens and refresh tokens for secure API access. It enables secure authentication and authorization across multiple applications, supports multi-factor authentication and RBAC, and integrates with third-party identity providers.