WS_FTP Server is a high-powered, easy-to-use FTP (File Transfer Protocol) server. It allows you to securely share files and folders with customers, vendors, colleagues, and others over the Internet. Users can connect to your site with any FTP client and view, download and upload folders and files. You can control user access to the site as a whole or to its individual files. It also enables you to create multiple FTP sites (same or separate IP addresses) on the same computer.