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Features | Detailed Description
Available in .NET, VCL and ActiveX editions.
The TclSFtp component implements the SSH FTP protocol that is described in the http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13 document.
The SSH file transfer protocol or secure FTP (SFTP), also transfers files and has a similar command set for users, but is built on different software technology. SFTP uses the Secure Shell protocol (SSH) to transfer files. Unlike FTP, it encrypts both commands and data, preventing passwords and sensitive information from being transmitted openly over the network. It cannot interoperate with FTP software. SFTP is not FTP run over SSH, but rather a new protocol designed from the ground up by the IETF SECSH working group. FTP over SSH is the practice of tunneling a normal FTP session over a Secure Shell connection. See FTP + SSH
The SFTP component allows you to pause / resume the file downloading and uploading processes; resume broken downloads / uploads from the point where it stops.
Please see the Demos code (SFtpClient) and also the indexed Help documentation provided with the Clever Internet Suite installation for more details about using this component.
The most common members of the SFTP component can be seen below:
 Name |
 Description |
 Active |
Provides information about the activity status of the connection. |
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BatchSize |
Specifies the size of the transferred batch. |
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CurrentDir |
Represents the current directory on the SFTP server. |
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FileAttributes |
Represents a result of the GetFileAttributes function. |
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Password |
Specifies the password that allows the desired component to log on to the server. |
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Port |
Specifies the port that allows the desired component to connect to the server. |
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RootDir |
Gets the root directory on the SFTP server. |
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Server |
Specifies the SFTP server to connect to. |
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TimeOut |
Determines the time-out interval (in milliseconds) for initiating messages request. |
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ServerVersion |
Gets the SFTP server version. |
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SshAgent |
Specifies the name of the application or entity calling the SFTP functions. |
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UserName |
Specifies the user name that allows the component to log on to the server. |
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Name |
Description |
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AppendFile |
Appends data to the end of an existing file on the SFTP server. |
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ChangeCurrentDir |
Changes the current directory on the SFTP server file system. |
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ChangeToParentDir |
Makes the parent directory current on the SFTP server. |
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Close |
Closes the previously opened server connection. |
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Delete |
Deletes a file from the SFTP server. |
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DirectoryListing |
Lists a directory on an SFTP server. |
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FileExists |
Tests if the specified file exists in the current SFTP directory. |
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GetFile |
Retrieves a file from the server using the SFTP protocol. |
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GetFileAttributes |
Retrieves the attributes of the given file on the SFTP server. |
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GetFilePermissions |
Retrieves the permissions of the given file on the SFTP server. |
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GetFileSize |
Gets the size of the specified file on the SFTP server. |
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GetList |
Gets a list of files and directories on the SFTP server. |
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MakeDir |
Creates a directory on the SFTP server. |
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MakeLink |
Creates a link on the SFTP server. |
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Open |
Opens connection to the given server. |
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PutFile |
Puts a file into the server using the SFTP protocol. |
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ReadLink |
Queries the server for the target of the specified symbolic link. |
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RemoveDir |
Deletes a directory from the SFTP server. |
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Rename |
Renames a specified file on the SFTP server. |
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SetFileAttributes |
Changes the attributes of the given file on the SFTP server. |
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Name |
Description |
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OnDirectoryListing |
Occurs when a directory entry is received. |
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OnProgress |
Occurs when data downloading / uploading is processed. |
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OnReceiveResponse |
Occurs when server response is received. |
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OnSendCommand |
Occurs when the component has sent a command. |
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OnShowBanner |
Occurs during the authorization process and allows you to display the banner text returned from the server. |
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OnVerifyServer |
Occurs when the server presents its certificate to the client. |
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