JWT Articles
5 articles about JWT. Explore Spring Boot implementation, design, and operations across related topics.
-
Which Spring Boot Authentication Method Should You Choose? Comparing Session, JWT, OAuth2, and API Key with a Selection Flowchart
Compare Spring Boot authentication methods (Session, JWT, OAuth2, API Key) by application architecture. Use the selection flowchart and comparison table to decide which method fits your app, then move from a minimal SecurityFilterChain configuration to each implementation guide.
-
How to Implement JWT Refresh Tokens with Spring Security
A guide to issuing, rotating, and revoking access tokens and refresh tokens in Spring Boot, including Redis persistence and reuse detection.
-
Understanding Spring Security CSRF Protection Correctly - Configuration Differences Between REST APIs and Web Apps
Solve the cause of POST returning 403 in Spring Security by understanding the CSRF mechanism. From why `csrf().disable()` is correct for REST APIs, the required settings for Thymeleaf forms, to AJAX support via `CookieCsrfTokenRepository.withHttpOnlyFalse()`, organized with Spring Security 6 Lambda DSL implementation examples.
-
How to Configure Spring Boot as an OAuth2 Resource Server - Implementing JWT Validation and Scope-Based Authorization
A guide to validating JWTs issued by external IdPs such as Keycloak, Cognito, and Auth0 using Spring Security's resource server features, and implementing scope- and claim-based authorization.
-
Spring Boot JWT Authentication with Spring Security (Tutorial)
Build JWT authentication for a Spring Boot REST API from scratch. Covers token generation, validation, JwtAuthenticationFilter, and SecurityFilterChain configuration with complete code examples.