Spring Security 6 — Multiple SecurityFilterChain instances

In this story, we’ll learn how to implement multiple security filter chains in a Spring Boot application using Spring Security.

· Prerequisites
· Overview
∘ A Review of Filters
∘ Architecture core components
∘ Multiple SecurityFilterChain
· Project Setup
∘ Configuring Spring Security
∘ Usage in Controllers
· Test the application
· Conclusion
· References

Prerequisites

This is the list of all the prerequisites:

• Spring Boot 3+
• Maven 3.6.3
• Java 21
• Postman / insomnia or any other API testing tool.

Overview

A Review of Filters

Spring security is based on Servlet Filters, which perform filtering tasks on either the request to a resource (a servlet or static content), the response from a resource, or both.