Channel filter should be commented out by default.

samples/contacts/etc/filter/web.xml

@@ -67,12 +67,12 @@
 	
 	<!-- Remove the comments from the following <filter-mapping> if you'd
 	     like to ensure secure URLs are only available over HTTPS -->
- 
+    <!--
     <filter-mapping>
       <filter-name>Acegi Channel Processing Filter</filter-name>
       <url-pattern>/*</url-pattern>
     </filter-mapping>
-
+    -->
 	
     <filter-mapping>
       <filter-name>Acegi Authentication Processing Filter</filter-name>