I'm new to J2EE security, both servlet and EJB. From what little reading I've done it sounds like declarative security should be seamless between the servlet container and the EJB container (and that no programming should be necessary for declarative security). Here's an excerpt from a recent article from the Java Developer's Journal: "... the credentials provided to the web server are propagated to the EJB, providing seamless integration ..." Is this possible with Tomcat? If so, with which realms? I'm assuming that the JAASRealm should allow for single signon. I'm not sure how credentials get automatically "propagated to the EJB" without requiring the developer to code this. Also, which Realms can be integrated with Tomcat 3.2? -Jerome