The J2EE™ Tutorial Second Edition

Propagating Security Identity

When you deploy an enterprise bean or Web component, you can specify the security identity that will be propagated (illustrated in Figure 32-8) to enterprise beans invoked from within that component.

Figure 32-8. Security Identity Propagation

You can choose one of the following propagation styles:

• The caller identity of the intermediate component is propagated to the target enterprise bean. This technique is used when the target container trusts the intermediate container.

• A specific identity is propagated to the target enterprise bean. This technique is used when the target container expects access via a specific ...