Where NAME is an official system name from the registry kept by IANA.Ģ25 Data connection open no transfer in progress.Ģ26 Closing data connection. This reply is useful only to the human user.Ģ15 NAME system type. In this case, the text is exact and not left to the particular implementation it must read: MARK yyyy = mmmm where yyyy is User-process data stream marker, and mmmm server’s equivalent marker (note the spaces between markers and “=”).ġ25 Data connection already open transfer starting.ġ50 File status okay about to open data connection.Ģ02 Command not implemented, superfluous at this site.Ģ14 Help message.On how to use the server or the meaning of a particular non-standard command.
The computer, if specified, must be the last parameter on the line.Ĥxx – Transient Negative Completion replyĥxx – Permanent Negative Completion replyġ00 Series: The requested action is being initiated, expect another reply before proceeding with a new command.ġ10 Restart marker replay.
* computer – Specifies the computer name or IP address of the remote computer to connect to. * -w:windowsize – Overrides the default transfer buffer size of 4096. * -a – Use any local interface when binding data connection. Use this switch instead of redirection (>). * -s:filename – Specifies a text file containing ftp commands the commands will automatically run after ftp starts. * -g – Disables filename globbing, which permits the use of wildcard chracters in local file and path names. * -d – Enables debugging, displaying all ftp commands passed between the client and server. * -i – Turns off interactive prompting during multiple file transfers. * -n – Suppresses auto-login upon initial connection. * -v – Suppresses verbose display of remote server responses. Read to difference between Active/Passive FTPĬommon using FTP softwares for windows FileZilla,freeFTPd,WS FTP and for unix/linux ProFTPD,vsftpd,wu-ftpdįtp In passive mode server only required to open ports. In active mode both server and client required ports open behind firewalls. File Transfer Protocol (FTP) client-server architecture used to transfer files from one host to another host over a TCP network.It is authenticate using a clear-text protocol.īasic ports using is 21 for the command port and 20 for the data port.
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