| Constants |  | 
| DeployXmlPermission | Grant this permission to a docBase to permit the web application to use any META-INF/context.xmlthat
 might be present with in the application whendeployXMLhas been disabled at the Host level. | 
| SecurityClassLoad | Static class used to preload java classes when using the Java SecurityManager so that the defineClassInPackage
 RuntimePermission does not trigger an AccessControlException. | 
| SecurityConfig | Util class to protect Catalina against package access and insertion. | 
| SecurityListener | This listener must only be nested within  Server elements. | 
| SecurityUtil | This utility class associates a Subjectto the currentAccessControlContext. | 
| TLSCertificateReloadListener | A  LifecycleListener that may be used to monitor the expiration dates of TLS certificates and trigger
 automatic reloading of the TLS configuration a set number of days before the TLS certificate expires. |