/** Java 2 Access Control Policy for the JaasAzn Application **//** Code-Based Access Control Policy for JaasAzn **/grant codebase "file:./JaasAzn.jar" {   permission javax.security.auth.AuthPermission                     "createLoginContext.JaasSample";   permission javax.security.auth.AuthPermission "doAsPrivileged";};/** User-Based Access Control Policy for the SampleAction class ** instantiated by JaasAzn  **/grant	codebase "file:./SampleAction.jar",    Principal javax.security.auth.kerberos.KerberosPrincipal         "your_user_name@your_realm"  {   permission java.util.PropertyPermission "java.home", "read";   permission java.util.PropertyPermission "user.home", "read";   permission java.io.FilePermission "foo.txt", "read";};