Operation Manual – FTP-SFTP-TFTPH3C S5600 Series Ethernet Switches Chapter 1 FTP and SFTP Configuration1-1Chapter 1 FTP and SFTP ConfigurationWhen configuring FTP and SFTP, go to these sections for information you areinterested in:z Introduction to FTP and SFTPz FTP Configurationz SFTP ConfigurationNote:FTP banner is newly added. For details, see section Configuring the banner for an FTPserver.1.1 Introduction to FTP and SFTP1.1.1 Introduction to FTPFile Transfer Protocol (FTP) is commonly used in IP-based networks to transmit files.Before World Wide Web comes into being, files are transferred through command lines,and the most popular application is FTP. At present, although E-mail and Web are theusual methods for file transmission, FTP still has its strongholds.As an application layer protocol, FTP is used for file transfer between remote serverand local client. FTP uses TCP ports 20 and 21 for data transfer and control commandtransfer respectively. Basic FTP operations are described in RFC 959.FTP-based file transmission is performed in the following two modes:z Binary mode for program file transferz ASCII mode for text file transferAn H3C S5600 series Ethernet switch can act as an FTP client or the FTP server inFTP-employed data transmission:
