When people view http://<server:8888>/psa they see the entire directory listing. To disable this directory listing see steps below
Open the file web.xml under <celoxis-install-directory>/tomcat/conf in
Look for section like this.... <servlet> <servlet-name>default</servlet-name> <servlet-class> org.apache.catalina.servlets.DefaultServlet </servlet-class> <init-param> <param-name>debug</param-name> <param-value>0</param-value> </init-param> <init-param> <param-name>listings</param-name> <param-value>true</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet>
Change true (highlighted above) to false
Save file
Restart Tomcat