Tomcat，Jboss禁止目录浏览

Tomcat:
apache-tomcat-6.0.14/conf/web.xml
Jboss
jboss-4.0.2/server/default/deploy/jbossweb-tomcat55.sar/conf/web.xml
jboss-4.2.2.GA/server/default/deploy/jboss-web.deployer/conf/web.xml

jboss-5.0.0.Beta4/server/default/deployers/jbossweb.deployer/conf/web.xml

    <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>

把listings改成false