Not compatible applications
From JonDonym Wiki
With JonDonym not compatible applications
Firefox-Addon FireFTP
This add-on leaks DNS request. We does not recommend the using of FireFTP with JonDonym.
NetObjectsFusion
NetObjectsFusion is a web development tool. It can not use a proxy for upload your web pages to a server. Please export your web pages to a local directory and use a compatible application for anonymous file upload.