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| Setting | Description | |||||
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Server Information Provider | The standard behavior is Single Server . If your | |||||
Host | 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. | |||||
File System Type | Type of file system on the remote host. This information is used to construct the remote filenames.
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Authenticate With | Choice of authentication mechanism. Both password and private key authentication are supported. | |||||
Username | Username for an account on the remote host, enabling the SFTP session to login. | |||||
Password | Password related to the specified Username. This option only applies when password authentication is enabled. | |||||
Private Key | When you select this option, a button will appear, which opens a window where the private key may be inserted. If the private key is protected by a passphrase, the passphrase must be provided as well. This option only applies when private key authentication is enabled. For further information, see Authentication in 9.71.1 SFTP Agents Preparations. | |||||
Enable Collection Retries | Select this check box to enable repetitive attempts to connect and start a file transfer. When this option is selected, the agent will attempt to connect to the host as many times as is stated in the Max Retries field described below. If the connection fails, a new attempt will be made after the number of seconds entered 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 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 Retries | Enter the maximum number of retries to connect. In case more than one connection attempt has been made, the number of used retries will be reset as soon as a file transfer is completed successfully.
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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. When this option is selected, the agent will attempt to re-establish the connection, and resume the file transfer from the point in the file stated in the RESTART command, as many times as is entered in the Max RESTARTS field described below. When a connection has been re-established, a RESTART command will be sent after the number of seconds entered in the Retry RESTART Interval (s) field described below.
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Retry RESTARTS Interval (s) | Enter the time interval, in seconds, 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. |
Source Tab
The tab contains configurations related to the remote host, source directories and source files. The configuration available can be modified by creating and selecting a customized Collection Strategy. The following text describes the configuration options available when no customized Collection Strategy has been selected.
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| Setting | Description | |||||
|---|---|---|---|---|---|---|
Port | The port number the SFTP service will use on the remote host. | |||||
Timeout (s) | The maximum time, in seconds, to wait for response from the server. 0 (zero) means to wait forever. | |||||
Accept New Host Keys | If selected, the agent overwrites the existing host key when the host is represented with a new key. The default behavior is to abort when the key mismatches.
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Enable Key Re-Exchange | Used to enable and disable automatic re-exchange of session keys during ongoing connections. This can be useful if you have long lived sessions since you may experience connection problems for some SFTP servers if one of the sides initiates a key re-exchange during the session. | |||||
Additional Hosts | List of 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 agents fail to connect to the remote host set in their Connection tabs. Use the , , , and buttons to configure the host list. |
Security Tab
The Security tab contains configurations related to the Advanced Security Options for SFTP. The Configuration available can be modified by selecting the Advanced Security Option check box. If the advanced security is not enabled, the Cipher Mode will default to aes128-ctr and the HMac Type will default to hmac-sha2-256. If advanced security is enabled but the combo box fields are left empty, the Cipher Mode will default to aes128-ctr and the HMac Type will default to hmac-sha2-256.
The SFTP collection agent configuration - Security tab
| Note | ||
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Due to an upgrade of the Maverick library for version for With Advanced Security Option disabled, Maverick will manage the connection between the SFTP agent and the server. Maverick will attempt to connect with the STRONG security level. Failing to do so, it will auto downgrade the security level to WEAK and attempt to connect, this behaviour will allow our agents to work well with backwards compatibility for servers with older instances of the Maverick library. Furthermore, having STRONG security level will result in a performance degradation for . However, when a user manually enables the Advanced Security Option from the security tab, Maverick will instead assign the WEAK security level, which will not be as strict or resource intensive as the STRONG security level. For more information about security levels, you can refer to this page: https://www.jadaptive.com/managed-security-in-our-java-ssh-apis/ |
| Setting | Description |
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| Cipher Mode | Algorithms for the Block Cipher Modes supported by the SFTP agent. This allows the agent to determine which algorithm for the block cipher to be used when communicating with the SFTP servers.
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HMac Type | Methods of encryption for Key Exchange. This allows the agent to determine the method of encryption to be used when the keys are exchanged between the SFTP servers and the SFTP agent.
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