At the heart of a zip-enabled FTP server is the ability to compress data during the transfer itself, rather than requiring you to compress a file beforehand. The key technology enabling this is known as . This protocol leverages the zlib compression library to minimize the data sent over the network, saving bandwidth and speeding up transfers, particularly for uncompressed text files like logs or source code.
Standard FTP utilizes Port 21 for commands, but you must configure your network router and firewall to handle the traffic properly. zip net ftp server