diff --git a/app/controllers/ecloud_controller.rb b/app/controllers/ecloud_controller.rb
index 36ee0bd1..eb81603b 100644
--- a/app/controllers/ecloud_controller.rb
+++ b/app/controllers/ecloud_controller.rb
@@ -5,7 +5,7 @@ require 'digest'
 class EcloudController < ApplicationController
   skip_before_filter :verify_authenticity_token
 
-  # before_filter :check_sign
+  before_filter :check_sign
   before_filter :user_setup
   # before_filter :require_login, only: [:authorize]