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The agent configuration consists of the following tabs:

  • Connection
  • Source
  • Advanced
  • Security


Note
titleNote!

You can configure part of the parameters in the Filename Sequence or Sort Order service tabs. For further information, see Workflow Template (3.0).

Connection Tab

The Connection tab contains configuration settings related to the remote host and authentication. 

SettingDescription

Host

Enter the primary host name or IP-address of the remote host to be connected. If a connection cannot be established to this host, the Additional Hosts, specified in the  Advanced  tab, are tried.

Enable Bind AddressSelect this checkbox to explicitly bind a specific virtual network IP as the source of the SFTP agent’s connection.
Bind AddressThis mandatory field is enabled only when the Enable Bind Address checkbox is selected. 

File System Type

Enter the type of file system on the remote host. This information is used for naming the remote files.

  • Unix - remote host using Unix file system. This is the default setting.

  • Windows NT - remote host using Windows NT file system.

Authenticate With

Choose between authentication using a password or a private key.

Username

Enter the username for an account on the remote host, enabling the SFTP session to login.

Password

Enter the password for the specified Username. This option only applies if you have selected password authentication.

Private Key

Click Select... to display a window where you enter the private key. If the private key is protected by a passphrase, you must also enter the passphrase in Key Password. This option only applies if you have selected private key authentication. 

Enable Collection Retries

Select this check box to enable repeated attempts to connect and start a file transfer.

When you select this option, the agent tries to connect to the host as many times as you enter in the Max Retries field described below. If the connection fails, a new attempt is made after the number of seconds that you enter in the Retry Interval (s) field described below.

Retry Interval (s)

Enter the time interval in seconds, between retries.

If a connection problem occurs, the actual time interval before the first attempt to reconnect is the time that you set in the Timeout field in the Advanced tab plus the time set in the Retry Interval (s) field. For the remaining attempts, the actual time interval is the number seconds entered in this field.

Max Retries

Enter the maximum number of retries to connect.

If more than one connection attempt has been made, the number of used retries is reset as soon as a file transfer is completed successfully.

Note
titleNote!

This number does not include the original connection attempt.


Enable Restart Retries

Select this check box to enable the agent to send a RESTART command if the connection has been broken during a file transfer. The RESTART command contains information about where in the file you want to resume the file transfer.

Note
titleNote!

The  RESTART Retries  settings will not work if you have selected to decompress the files in the  Source  tab, see the section below, Source Tab.


Retry Restarts Interval (s)

Enter the time interval, in seconds, for which you want to wait before initiating a restart in this field. This time interval will be applied for all restart retries.

If a connection problem occurs, the actual time interval before the first attempt to send a RESTART command will be the time set in the Timeout field in the Advanced tab plus the time set in the Retry Interval (s) field. For the remaining attempts, the actual time interval will be the number seconds entered in this field.

Max Restarts

Enter the maximum number of restarts per file you want to allow.

In case more than one attempt to send the RESTART command has been made, the number of used retries will be reset as soon as a file transfer is completed successfully.

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SettingDescription
Duplicate Criteria - FilenameSelect this option to have only the filename compared for the duplicate check. If the filename is in the list of files which have already been collected once, the file is ignored by the agent.
Duplicate Criteria - Filename and Timestamp

Select this option to have both the filename and the time stamp of the last modification, compared when checking for duplicates.

Note
titleNote!

If the number of files to be collected is greater than the file list size, files older than the oldest file in the list are not collected.



Advanced Tab

The Advanced tab contains configurations related to more specific use of the SFTP Advanced service.

SettingDescription
Max Async RequestAdvance setting to tune the maximum asynchronous request a SFTP server can be handle, leave it empty, will use the default value(100) from library.

Port

Enter the port number that the SFTP service is to use on the remote host.

Timeout (s)

Enter the maximum time, in seconds, to wait for response from the server. 0 (zero) means to wait forever.

Accept New Host Keys

If you select this check box, the agent overwrites the existing host key when the host is represented with a new key. The check box is empty by default so that the default behavior is to abort when the key does not match.

Note
titleNote!

Selecting this option causes a security risk since the agent will accept new keys regardless if they might belong to another machine.


Enable Key Re-Exchange

Use this check box to enable and disable automatic re-exchange of session keys during ongoing connections. This can be useful if you have long lived sessions as you may experience connection problems for some servers if one side initiates a key re-exchange during the session.

Additional Hosts

You can add additional host names or IP-addresses that may be used to establish a connection. These hosts are tried, in sequence from top to bottom, if the agent fails to connect to the remote host set on the Connection tab.

Use the buttons AddEditRemoveMove up and Move down to configure the host list.

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