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Firebase Authentication

351
448
+ 1
39
Keycloak

406
797
+ 1
63
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Firebase Authentication vs Keycloak: What are the differences?

What is Firebase Authentication? An App Authentication System In A Few Lines Of Code. It provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. It supports authentication using passwords, phone numbers, popular federated identity providers like Google,.

What is Keycloak? An open source identity and access management solution. It is an Open Source Identity and Access Management For Modern Applications and Services. It adds authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box.

Firebase Authentication and Keycloak can be primarily classified as "User Management and Authentication" tools.

Advice on Firebase Authentication and Keycloak
Needs advice
on
Spring Security
Okta
and
Keycloak

I am working on building a platform in my company that will provide a single sign on to all of the internal products to the customer. To do that we need to build an Authorisation server to comply with the OIDC protocol. Earlier we had built the Auth server using the Spring Security OAuth project but since in Spring Security 5.x it is no longer supported we are planning to get over with it as well. Below are the 2 options that I was considering to replace the Spring Auth Server. 1. Keycloak 2. Okta 3. Auth0 Please advise which one to use.

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Replies (2)
Luca Ferrari
Solution Architect at Red Hat, Inc. · | 3 upvotes · 51.3K views
Recommends
Keycloak

It isn't clear if beside the AuthZ requirement you had others, but given the scenario you described my suggestion would for you to go with Keycloak. First of all because you have already an onpremise IdP and with Keycloak you could maintain that setup (if privacy is a concern). Another important point is configuration and customization: I would assume with Spring OAuth you might have had some custom logic around authentication, this can be easily reconfigured in Keycloak by leveraging SPI (https://www.keycloak.org/docs/latest/server_development/index.html#_auth_spi). Finally AuthZ as a functionality is well developed, based on standard protocols and extensible on Keycloak (https://www.keycloak.org/docs/latest/authorization_services/)

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Sandor Racz
Recommends
Keycloak

We have good experience using Keycloak for SSO with OIDC with our Spring Boot based applications. It's free, easy to install and configure, extensible - so I recommend it.

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Pros of Firebase Authentication
Pros of Keycloak
  • 9
    Completely Free
  • 6
    Email/Password
  • 5
    Passwordless
  • 4
    Native App + Web integrations
  • 4
    Integration with OAuth Providers
  • 4
    Works seemlessly with other Firebase Services
  • 3
    Easy to Integrate and Manage
  • 3
    Anonymous Users
  • 23
    It's a open source solution
  • 18
    Supports multiple identity provider
  • 11
    OpenID and SAML support
  • 6
    Easy customisation
  • 5
    JSON web token

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Cons of Firebase Authentication
Cons of Keycloak
  • 1
    Heavy webpack
  • 1
    Okta
  • 1
    Lack of Code examples for client side
  • 1
    Poor client side documentation

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What is Firebase Authentication?

It provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. It supports authentication using passwords, phone numbers, popular federated identity providers like Google,

What is Keycloak?

It is an Open Source Identity and Access Management For Modern Applications and Services. It adds authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box.

Need advice about which tool to choose?Ask the StackShare community!

What companies use Firebase Authentication?
What companies use Keycloak?
See which teams inside your own company are using Firebase Authentication or Keycloak.
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What tools integrate with Firebase Authentication?
What tools integrate with Keycloak?
What are some alternatives to Firebase Authentication and Keycloak?
Auth0
A set of unified APIs and tools that instantly enables Single Sign On and user management to all your applications.
MongoDB
MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.
Passport
It is authentication middleware for Node.js. Extremely flexible and modular, It can be unobtrusively dropped in to any Express-based web application. A comprehensive set of strategies support authentication using a username and password, Facebook, Twitter, and more.
Okta
Connect all your apps in days, not months, with instant access to thousands of pre-built integrations - even add apps to the network yourself. Integrations are easy to set up, constantly monitored, proactively repaired and handle authentication and provisioning.
Firebase
Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.
See all alternatives