Rest authentication: Как сделать, чтобы url для получения token был свободен?

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:sec="http://www.springframework.org/schema/security"
       xsi:schemaLocation="http://www.springframework.org/schema/beans [url]http://www.springframework.org/schema/beans/spring-beans-4.0.xsd[/url]
          [url]http://www.springframework.org/schema/security[/url] http://www.springframework.org/schema/security/spring-security.xsd">
 
    <import resource="classpath*:securityServicesContext.xml"/>
    <import resource="classpath*:businessServicesContext.xml"/>
 
    <sec:http pattern="/rest/**" create-session="stateless" auto-config="false" entry-point-ref="unauthorizedEntryPoint">
        <sec:expression-handler ref="webSecurityExpressionHandler"/>
        <sec:custom-filter ref="customTokenAuthenticationFilter" position="FORM_LOGIN_FILTER"/>
        <sec:intercept-url pattern="/rest/login" access="permitAll"/>
        <sec:intercept-url pattern="/**" access="hasRole('USER')"/>
        <sec:csrf disabled="true"/>
    </sec:http>
 
    <sec:authentication-manager id="authenticationManager">
        <sec:authentication-provider ref="daoAuthenticationProvider"/>
    </sec:authentication-manager>
 
    <bean id="unauthorizedEntryPoint" class="com.itechart.security.web.security.UnauthorizedEntryPoint"/>
 
    <bean id="customTokenAuthenticationFilter"
          class="com.itechart.security.web.security.CustomTokenAuthenticationFilter">
        <constructor-arg name="defaultFilterProcessesUrl" value="/rest/**"/>
        <constructor-arg name="authenticationManager" ref="authenticationManager"/>
        <constructor-arg name="authenticationSuccessHandler">
            <bean class="com.itechart.security.web.security.TokenSimpleUrlAuthenticationSuccessHandler"/>
        </constructor-arg>
    </bean>
 
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
 
    <display-name>Security Web Application</display-name>
 
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>
 
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
 
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/dispatcherServlet.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
 
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/rest/*</url-pattern>
    </servlet-mapping>
 
    <filter>
        <filter-name>springSecurityFilterChain</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    </filter>
 
    <filter-mapping>
        <filter-name>springSecurityFilterChain</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
 
    <resource-ref>
        <res-ref-name>jdbc/SecuritySampleDB</res-ref-name>
        <res-type>javax.sql.DataSource</res-type>
        <res-auth>Container</res-auth>
    </resource-ref>
 
    <welcome-file-list>
        <welcome-file>/app/index.html</welcome-file>
    </welcome-file-list>
 
</web-app>