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ASP.NET Identity VS IdentityServer4

Compare ASP.NET Identity VS IdentityServer4 and see what are their differences

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ASP.NET Identity logo ASP.NET Identity

ASP.NET Identity is a membership-based software system designed for the authentication and authorization of the users via building an ASP.NET application.

IdentityServer4 logo IdentityServer4

IdentityServer4 is an elegant open-source server that comes with great authentication which allows you to implement OpenID connection and OAuth standards designed for the ASP.NET core.
  • ASP.NET Identity Landing page
    Landing page //
    2023-10-07
  • IdentityServer4 Landing page
    Landing page //
    2023-01-04

ASP.NET Identity features and specs

  • Integrated with ASP.NET Framework
    ASP.NET Identity is seamlessly integrated into the ASP.NET framework, making it easier to implement authentication and authorization in ASP.NET applications.
  • Supports Multiple Authentication Methods
    It supports various authentication methods, including two-factor authentication, social logins (such as Facebook, Google), and traditional username/password combinations.
  • Customizable
    Developers have the flexibility to customize the identity system according to their needs, for example, by extending user information and roles.
  • Role and Claim-based Authorization
    ASP.NET Identity supports role-based and claims-based authorization, allowing for fine-grained access control.
  • Entity Framework Integration
    Built with Entity Framework, making it easy to persist identity data in a database and leverage Entity Framework's capabilities for ORM.
  • Ease of Use
    Designed to be straightforward to set up and use, with many features working out of the box with minimal configuration.

Possible disadvantages of ASP.NET Identity

  • Complexity for Small Applications
    For small applications with simple authentication needs, ASP.NET Identity might be overly complex and result in unnecessary overhead.
  • Database Dependency
    The default setup requires a database to store user and role information, which may not be suitable for applications where a database-less solution is preferred.
  • Learning Curve
    There can be a learning curve for newcomers to fully understand its architecture and how to implement advanced features.
  • Performance Overhead
    The flexible and feature-rich design of ASP.NET Identity might introduce performance overhead, especially if not properly optimized.
  • Migration Challenges
    Migrating existing applications from older identity systems to ASP.NET Identity can be challenging and time-consuming.

IdentityServer4 features and specs

No features have been listed yet.

ASP.NET Identity videos

+ Add

Understand ASP.NET Identity Core

IdentityServer4 videos

+ Add

Introduction to IdentityServer4 for ASP NET Core Part I

More videos:

  • Review - IdentityServer4: New & Improved for ASP.NET Core - Dominick Baier

Category Popularity

0-100% (relative to ASP.NET Identity and IdentityServer4)

ASP.NET Identity

IdentityServer4

Network & Admin
73 73%
Network & Admin
27% 27
Identity And Access Management
71 71%
Identity And Access Management
29% 29
Security & Privacy
79 79%
Security & Privacy
21% 21
Identity Provider
0 0%
Identity Provider
100% 100

User comments

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What are some alternatives?

When comparing ASP.NET Identity and IdentityServer4, you can also consider the following products

ASP.NET SAML - ASP.NET SAML is an open-source authentication utility that has been used for exchanging authentication and authorization data between the channels.

DotNetOpenAuth - DotNetOpenAuth is a free-to-use compiled library that comes with the real support to your site visitor to login with the help of openIDs via getting control of the ASP.NET control onto the page.

IdentityServer - An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core

Password-Login.com - This site is additionally justified regardless of a brief specify yet appears to have a couple of inconveniences.

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

Okta Workforce Identity - Okta Workforce Identity is utility software for enterprises that provides a new way of work that enable your employees, contractors, and partners to use technology on any device.

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