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Introduction to Spring Security Spring Security provides comprehensive security services for Java EE applications. As a core component of the Spring ecosystem, it implements layered security architecture where each application layer can be protected independently. This framework enables fine-grained access control at the controller, service, an ...

Why Discovery Security Matters When every microservice is reachable over the network, the service registry becomes the first line of defense. An unprotected Eureka instance can be used to: Inject rogue endpoints into the load-balancer Exfiltrate configuration metadata Trigger cascading failures via forged health checks This guide shows how to ...

Session Creation Policies Spring Security provides several session creation policies that control how sessions are handled: stateless: Spring Security does not create or utilize any session. This is ideal for stateless API applications and helps conserve server resources. To configure session creation strategy, extend WebSecurityConfigurerAda ...

Project Dependencies Include the following essential dependencies in a Spring Boot project: spring-boot-starter-parent (parent POM) spring-boot-starter-web spring-boot-starter-security spring-boot-starter-test (optional, for testing) spring-security-test (opsional, for testing) <?xml version="1.0" encoding="UTF-8"?> ...

Spring Security's authentication flow includes a mechanism to capture the originally requested URL before redirecting unauthenticated users to a login page. After successful authentication, the framework can automatically redirect the user back to their intended destination. The RequestCache interface defines the contract for storing and retrie ...