FTP Connector

This node connects to a remote FTP server. The resulting output port allows downstream nodes to access the files of the remote server, e.g. to read or write, or to perform other file system operations (browse/list files, copy, move, ...).

Path syntax: Paths for FTP are specified with a UNIX-like syntax, for example /myfolder/file.csv, which is an absolute path that consists of:

A leading slash (/).
The name of a folder (myfolder), followed by a slash.
Followed by the name of a file (file.csv).

Options

Settings

Host

Address of the host where the FTP server runs.

Port

Port that the FTP server is listening on for incoming connections.

Use FTPS

Attempts to communicate with the server using TLS-encryption (FTPS in explicit mode). If this option is selected, then it is not possible to connect using an HTTP proxy (see below).

Authentication

Method of authentication to use.

Username & password: Authenticate with a username and password. Either enter a username and password, in which case the password will be persistently stored (in encrypted form) with the workflow. Or check Use credentials and a select a credentials flow variable to supply the username and password.
Anonymous: Authenticate with the anonymous user and a blank password.

Working directory

Specify the working directory of the resulting file system connection, using the Path syntax explained above. The working directory must be specified as an absolute path. A working directory allows downstream nodes to access files/folders using relative paths, i.e. paths that do not have a leading slash. The default working directory is the root "/".

Advanced

Connection timeout: Timeout in seconds to establish a connection or 0 for an infinite timeout.
Read timeout: Timeout in seconds to read a server response from a connection, or 0 for an infinite timeout.
Minimum FTP connections: Minimum number of (control) connections to open to the FTP server.
Maximum FTP connections: Maximum number of (control) connections to open to the FTP server.
Use HTTP Proxy: If this option is selected, then the currently configured HTTP proxy from the KNIME preferences will used to connect. This option is incompatible with 'Use FTPS'.
Time zone offset from GMT: Server time zone offset from Greenwich Mean Time (minutes).
Verify hostname: If checked, the hostname will be verified against the certificate. Otherwise, the node trusts the server's SSL certificate even if it was generated for a different hostname. This option is available only with 'Use FTPS'.
Use implicit FTPS: If checked, the node uses implicit FTPS, otherwise it uses explicit FTPS. Implicit FTPS commonly runs on port 990. This option is available only with 'Use FTPS'.
Reuse SSL session: If checked the SSL/TLS session of the control connection is reused for the data connections. Most FTPS servers require SSL session reuse as a security measure in order to prevent attackers from hijacking a data connections. This option is available only with 'Use FTPS'.

Input Ports

This node has no input ports

Output Ports

: FTP File System Connection.

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Workflows

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Installation

To use this node in KNIME, install the extension KNIME Basic File System Connectors from the below update site following our NodePit Product and Node Installation Guide:

v5.2

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.2.0.v202311170857

On NodePit since: 2023-12-06

Last update: 2024-04-26

KNIME versions: Since v4.3

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