• Servlet

<servlet>
    <servlet-name>name</servlet-name>
    <servlet-class>path</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>name</servlet-name>
    <url-pattern>/url</url-pattern>
</servlet-mapping>

• Filter

<filter>
    <filter-name>name</filter-name>
    <filter-class>path</filter-class>
</filter>
<filter-mapping>
    <filter-name>name</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>