![]() Server Replies 501 Syntax error.ĥ04 Server does not understand the specified protection level. PORT h1,h2,h3,h4,p1,p2 Server Replies 501 Syntax error.ĭata channel protection level. This address information is broken into 8-bit fields and the value of each field is transmitted as a decimal number (in character string representation). If this command is used, the argument is the concatenation of a 32-bit internet host address and a 16-bit TCP port address. ![]() There are defaults for both the user and server data ports, and under normal circumstances this command and its reply are not needed. The argument is a HOST-PORT specification for the data port to be used in data connection. Server Replies 425 Cannot open passive connection. The response to this command includes the host and port address this server is listening on. This command requests the server-DTP to listen on a data port (which is not its default data port) and to wait for a connection rather than initiate one upon receipt of a transfer command. Server Replies 501 Syntax error.Ĥ21 Maximum anonymous login limit has been reached.Ĥ21 Maximum login limit has been reached. This command must be immediately preceded by the USER command. The argument field is a Telnet string specifying the user’s password. Server Replies 500 Execution failed.Īdditional return codes available for different OPTS commands. Server Replies 200 Command okay.Ĭause the server use optional features for the command specified. Server Replies 150 Opening data connection. The server will return a stream of names of files and no other information. The pathname should specify a directory or other system-specific file group descriptor a null argument implies the current directory. This command causes a directory listing to be sent from server to user site. Server Replies 501 Syntax error.Ĭauses a list to be sent from the server to the passive DTP Server Replies 150 File status okay about to open data connection. This command causes the directory specified in the pathname to be created as a directory (if the pathname is absolute) or as a subdirectory of the current working directory (if the pathname is relative). Returns the date and time of when a file was modified. This command must be preceded by a PORT or PASV command. The data transfer is over the data connection. A null argument implies the user’s current working or default directory. If the pathname specifies a file then the server should send current information on the file. If the pathname specifies a directory or other group of files, the server should transfer a list of files in the specified directory. This command causes a list to be sent from the server to the passive DTP. Server Replies 214 Help information.Ī new command “LANG” is added to the FTP command set to allow server-FTP process to determine in which language to present server greetings and the textual part of command responses. Server Replies 221 List of all the extensions supported.ĭisplays the help information. Server Replies 425 Cannot open passive connection.ĭisplays the feature list. ![]() The EPSV command requests that a server listen on a data port and wait for a connection. The format of EPRT is EPRT | | | | Server Replies 501 Syntax error. The extended address MUST consist of the network protocol as well as the network and transport addresses. The EPRT command allows for the specification of an extended address for the data connection. Server Replies 250 Command okay.ĥ01 Syntax error in parameters or arguments. Server Replies 250 Command okay.ĭeletes the file specified by the provided path. If directory name is not specified, root directory (/) is assumed. Server Replies 250 Command okay.Ĭhanges the working directory. Server Replies 501 Syntax error.Ģ34 AUTH command okay starting SSL connection.Ĭhange to parent directory. Server Replies 501 Syntax error.Įstablishes SSL encrypted session. If the file does not already exist, it is created. Server Replies 202 Command ACCT not implemented.Īppends data to the end of a file on the remote host. Server Replies 226 ABOR command successful. ABORĪborts the previous FTP service command and any associated transfer of data. This document describes all the FTP commands implemented. ![]()
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