https://spring.io/projects/spring-security Spring Security Spring Security is a framework that focuses on providing both authentication and authorization to Java applications. Like all Spring projects, the real power of Spring Security is found in how easily it can be extended to meet custom requirements spring.io 인증 authentication 내가 그 사용자 맞다고 증명하는 행위 권한 authorization 사용자는 board/**를 사용할 수 있음, 관..