added a warning about a security issue when using the _internal route

fabpot · fabpot · commit 04c1e6611b13 · 2012-12-20T17:30:35.000+01:00
diff --git a/app/config/routing.yml b/app/config/routing.yml
@@ -1,4 +1,8 @@
 # Internal routing configuration to handle ESI
+# ****** WARNING ******
+# This route should be enabled with caution as it can open a security vulnerability
+# see http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-released for more information
+# ****** WARNING ******
 #_internal:
 #   resource: "@FrameworkBundle/Resources/config/routing/internal.xml"
 #   prefix:   /_internal
