The security structure in EJB container has two modules mainly: one is Authenticator, the other is Authorizationer, because authentication and authorization are the most important functions of a security system.

• EJB容器中安全机制主要包括两个功能模块:身份认证器和访问控制器。 认证和访问控制也是一个安全系统的两个必要功能。