• Connection identifier,
• 0 during the first connection.
• -1 if an error occurred. The details of the error are returned by ErrorInfo with the errCode or errMessage constant.
  If an identification error occurs, ErrorInfo with the errCode constant returns the ftpErrorAuthentification constant.

Name of FTP server ("ftp.cdrom.com" for example) or IP address of FTP server ("192.54.12.8" for example).

This parameter is used to define the protocol used:

• if the server name starts with "ftp://", the connection is established in non-secure mode.
• if the server name starts with "ftps://", the connection is established in secure mode according to the FTPS protocol (FTP secured by SSL with implicit encryption).
• if the server name starts with "ftpes://", the connection is established in secure mode according to the FTPES protocol (FTP secured by SSL with explicit encryption).
• if the server name starts with "sftp://", the connection is established in secure mode via a SSH channel according to the SFTP protocol.

• Name of user attempting to perform a named connection (user authentication on FTP server). This parameter is given by the administrator of FTP server.
• Empty string ("") to perform an anonymous connection.

User password: used to identify the user on the FTP server. This parameter is given by the administrator of FTP server.

This password corresponds to:

• the specified <Password> if this parameter is not an empty string (""),
• the email address of the user if <User name> is not specified or it is equal to an empty string (""),
• an empty string ("") if this parameter is not specified and if <User name> does not correspond to an empty string ("").

Number of the port on which the server will be run. This parameter is given by the administrator of FTP server.

By default:

• for a non-secure connection, this port is port 21.
• for a secure connection in FTPS mode, this port is port 990.
• for a secure connection in FTPES mode, this port is port 21.
• for a secure connection in SFTP mode, this port is port 22.

Type of connection to establish:

Versions 21 and later ftpActiveMode New in version 21 ftpActiveMode ftpActiveMode (or False for compatibility)	Active connection to the FTP server. During a file transfer, the client takes the initiative for the transfer. This type of connection may be refused by some protected FTP servers.
Versions 21 and later ftpPassiveMode New in version 21 ftpPassiveMode ftpPassiveMode (or True for compatibility) (Default value)	Passive connection to the FTP server (PASV mode). When transferring files, the server takes the initiative for the transfer. This type of connection is used to step over some "firewalls". Remark: If the connection to the server is in IPV6, the connection will be performed in extended passive mode (because the passive mode does not support IPV6).
Versions 21 and later ftpExtendedPassiveMode New in version 21 ftpExtendedPassiveMode ftpExtendedPassiveMode	Extended passive connection to the FTP server (EPSV mode). When transferring files, the server takes the initiative for the transfer. This type of connection is used to step over some "firewalls". If the server does not support the extended passive mode (the FEAT command is sent to the server to find out the capacity), the connection is crippled in simple passive mode. Limitations: This mode is not supported when using the "wininet" module of Windows (see FTPParameter): the connection is performed in ftpPassiveMode.

Number of seconds after which the request for connecting to the FTP server is canceled (20 by default). This timeout applies to all FTP operations performed on this connection. If no response is received from the server during the specified <Connection timeout>, FTPConnect returns -1.
Remark: This parameter can correspond to:

• an integer corresponding to the number of seconds,
• a Duration variable,
• Versions 23 and later
  the direct indication of duration ('1s' for example).
  New in version 23
  the direct indication of duration ('1s' for example).
  the direct indication of duration ('1s' for example).

Name and path of file corresponding to the private key used during a connection in SFTP mode. This file must have been generated in OpenSSH format.
If this parameter is not specified, the secure connection is using an authentication by <User name>/<Password>.

Password of file containing the private key used during a connection in SFTP mode. If this parameter is not specified, the secure connection is using an authentication by <User name>/<Password>.