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Introduction Secure FTP is a newer version of the FTP protocol, and is used to
provide secure encrypted and authenticated communications between two
hosts. SFTP makes it easy and convenient to transfer files between your
local computer and the remote host computer. You can upload and download
files by using an intuitive, graphical user interface similar in
functionality to the Windows Explorer.
 To open a connection with a remote host, click on the "File" menu, then choose "Connect". In the dialog box that appears, type in the full name of the remote host, as well as your username. When finished, click on the "Connect" button: If this is the first time you are connecting to a site, a warning message will appear. Click on Yes to save the host key to your local database. This will place a copy of that system's encryption key on your computer, and then you will be connected as if you telnetted in. This host key will not expire, and if you ever try to connect to clamshell or crab and the ssh client warns you that the host key has changed, check the Camden Computing Services Announcements to see if there is an announcement about a host key change, do not just accept the changed key without verifying that it has changed. You will then be prompted to enter your password. Choose "OK" when finished. Upon logging in to the remote host, the directory you are currently in will be listed in the left window pane on your screen. In the right, you will see a listing of files in your current directory.  If you are in the directory where you would like to transfer a file, simply drag it from your local computer into the SFTP window. This "drag-and-drop" feature will upload the file to the remote host. You can also transfer files from the remote host by dragging them to your local computer (such as your desktop). When transferring multiple files from the remote host to your local computer, the "Download" option is very useful. First, highlight all files that you are interested in transferring. Then, click on the "Operation" menu, and choose "Download".  A window will appear, asking you to specify a destination directory for your transfer. Choose "Download" when you are ready. The selected files will be transfered to your local computer. The exact can be done for transferring multiple files to the remote host using the "Upload" feature. If you encounter problems accessing a file you have just recently uploaded, verify that the default file permissions are correctly set. Click on the "Edit" menu, then click "Preferences". The settings dialog box will appear.  In the panel to the left, expand the tab for "File Transfer". Click on the submenu for "Advanced". Check that the "Default File Permission Mask" is set to 644, and the "Default Directory Permission Mask" is set to 755. For more help using SFTP, please review the included documetation by clicking on the "Help" menu and choosing "Contents". Questions or concerns? Please e-mail us at help@camden.rutgers.edu III. On Macintosh: 1. There is a package called MacSFTP. It is used as the
replacement
for the old and insecure File Transfer Protocol (FTP), with the addition
of strong
I. On Unix: At the shell prompt, type
At the sftp prompt, if you do a "ls" you will see a list of the files in your home directory. From here, it will just be similar to ftp. Some useful sftp commands are as follows: sftp> cd
path
to change remote directory to path
For more information, see the manual for sftp by typing "man sftp" at
the unix shell prompt.
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