List Of Ftp Server Software ftp.proxy – FTP Proxy Server. ftp.proxy is an application level gateway for FTP. It sits between a client and a server forwarding command and data streams supporting. Feb 10, 2011. This list categorizes the many different types of servers used in the marketplace today. Proxy Server. A proxy server sits between a client program (typically HttpProxyPort = 3128; // Important: Your HTTP proxy server must…