Add/Edit Servlet Filter Mapping
  
Web Application WAR file -> Filter Mapping tabbed pane -> Add
button  
  In this dialog box, you can define a servlet filter mapping.  
 - Select the servlet filter for which you want to define a mapping. The 
Filter Name drop-down list contains the list of servlet filters for the module.
 
- In the Filter Target pane, 
    
 - Select Filter Servlets that Match this URL Pattern,  if you want to
apply the filter to a set of files that match the URL. Enter the URL.  
- Select Filter this Servelet if you want to apply filter to an individual 
servlet.  
 
- Select if the filter should apply to Request Dispatcher Calls. The
chosen options are displayed in the Servlet Filter Mapping table.  
    
 - Forward - Only when the request has been forwarded to a component. That
is, when you want to have one Web component do preliminary processing of
a request  and have another component generate the response. 
- Include - Only when the request is being processed by a component
that has been included. That is, when you have included another Web resource,
for example,  banner content or copyright information, in the response returned
from a Web component. 
- Request - Only when the request comes directly from the client. 
      
- Error - Only when the request is being processed with the error
page. That is, when an exception occurs, you have specified that the container
should  return a specific error page for a given exception mechanism. 
 
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