diff --git a/devops-service/routes/v2.0/filter.rb b/devops-service/routes/v2.0/filter.rb
index cbc7c08..6563e5e 100644
--- a/devops-service/routes/v2.0/filter.rb
+++ b/devops-service/routes/v2.0/filter.rb
@@ -6,6 +6,7 @@ module Devops
         def self.registered(app)
 
           app.before "/filter/:provider/image" do
+            protect!
             check_headers :accept, :content_type
             check_privileges("filter", "w")
             check_provider(params[:provider])