http转成https

<login-config>  
 
<auth-method>CLIENT-CERT</auth-method>  
<realm-name>Client Cert Users-only Area</realm-name>  
</login-config>  
<security-constraint>  
<web-resource-collection >  
<web-resource-name >SSL</web-resource-name>  
<url-pattern>/*</url-pattern>  
</web-resource-collection>  
<user-data-constraint>  
<transport-guarantee>CONFIDENTIAL</transport-guarantee>  
</user-data-constraint>  
</security-constraint>