What is Spring Security and how do I use it?

What is Spring Security and how do I use it?

Spring Security is a powerful and customizable authentication and access-control framework for Java applications. It provides comprehensive security services for Java EE-based enterprise software applications.

Can you explain how to set it up in a Spring Boot application?

To set up Spring Security in a Spring Boot application, you need to add the Spring Security dependency in your pom.xml or build.gradle, and then create a security configuration class that extends WebSecurityConfigurerAdapter.

What are some common security configurations I should implement?

Common configurations include setting up user authentication, defining access rules for different endpoints, and enabling CSRF protection.

How can I secure REST APIs using Spring Security?

You can secure REST APIs by using JWT (JSON Web Tokens) for stateless authentication and configuring your security settings to require authentication for specific endpoints.