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I am Having 3 Application for this I am building 1 authorization server for better communication and security. and also i want to do SSO on this 3 application where my authorization server will act as a Identity provider.

my question is how can i inter-communicate with this 3 application means.

  1. for A Service I authenticate the user and get access token then i want to communicate with B -service then how can i do this with access token ?
  2. and one more scenario if someone logins into my B-service then i want to give access for other 2 services(A and C) ?
  3. Implementing SSO with Authorization server is it possible ? note- I dont want 3rd party implementation (Keyclock, okta) want to build or own
Bhushan Rohankar
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Yes, if you will have auth-server for all these 3 apps. From Service to Service communication that is usually an resource-server you will pass token in request headers and that`s all.

Andrei Lisa
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  • Thanks for the answer @AndreiLisa Yes that is used to communicate service to service. What about SSO Implementation ? – Bhushan Rohankar Aug 14 '23 at 06:35
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    spring boot, from 3.1.x also provide an starter for [authorization-server](https://docs.spring.io/spring-authorization-server/docs/current/reference/html/index.html). Where you can create your own SSO with Authorization – Andrei Lisa Aug 14 '23 at 07:04