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This article shows how to implement authentication and authorization in Spring Boot Vaadin Flow applications without using Spring Security.

Why Without Spring Security?

Spring Security is a powerful framework designed for web applications based on the request/response paradigm. Vaadin hides this paradigm so you can focus on the application and UI logic without having to deeply understand the underlying web technologies. Although it’s possible to use Spring Security with Vaadin, doing so requires more work than the approach shown in this article.

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