The SSH option allows you to manage secure telnet access to your
account. The difference is security. With SSH, your login and password
are encrypted. The only way to gain Telnet access to your account is by
using SSH secure telnet software that must be loaded on your computer.
The recommended software is
Van Dyke Technologies Secure CRT.
The SSH Option allows you to upload the RSA (Rivest, Shamir, Adleman)
key generated on your computer by the SSH software to the server on
which your site resides. Once completed, you will have secure Telnet
access to the site. Not
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How To Use the SSH Manager:
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From the Control Panel select the SSH icon.
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The SSH Manager provides step-by-step instructions for
transferring your public key to the server. The first step in this
procedure is this: Create your RSA key. Your software will have
directions on how to do this. The next procedure in this document
shows, step-by-step, how to create this RSA key using the Secure CRT
software.
How To Create an RSA Key with Secure CRT:
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Launch the Secure CRT application. The application displays
typically with the Connect dialog box open to the Session List
tab.
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Select the New button to create a new session.
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In the Name field, enter name of the session you are
creating.
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In the Protocol field, select ssh from the drop-down list.
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In the Hostname or IP field, enter your domain name or IP.
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Complete the rest of the fields on this screen with the
appropriate information. Make sure to enter your domain user
name in the Username field and to select RSA from the
Authentication field's drop-down list.
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Select the Advanced button.
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On the General tab, select the Create Identity File
button from the Identity Filename section of the dialog box.
The SecureCRT - RSA Key Generation Wizard displays.
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Click on the Next> button to proceed with the next step
of the Wizard.
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If you wish to use a passphrase as an added layer of
security, enter the passphrase and Confirm Passphrase
fields. Don't forget to have your passphrase handy. You will
need it when establishing a connection to the server.
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In the Comment field, either accept the default value or
enter a new one. The comment will be your way of knowing
when the application is prompting you for your passphrase.
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You need to determine the length of your RSA key pair
needs to be determined. It is recommended that you choose
1024 bits. Once you have entered a number, select Next> to
proceed.
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As the instructions in the wizard indicate, you need to
move your mouse around on the screen for the application to
generate the key. The application uses a complex set of
formulas to create the key out of a mathematical
interpretation of your mouse's movements. When you have
moved your mouse around sufficiently, the screen
automatically changes and the key pair is generated. This is
shown in the image below.
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When both progress bars are "full", the Next> button
becomes enabled. Select it to proceed.
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Select the folder on your hard drive in which to store
the key. You can accept the default, which is usually the
identity sub-folder of the SecureCRT folder, located
wherever you installed the application originally.
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To complete the wizard, select the Finish button.
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From there, select the OK button to close the dialog
box. The Session Preferences - new dialog box reappears.
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Select OK to apply the changes and end the procedure.
Your newly created session will now appear at the bottom of
the Session List.
Warning: At this point you cannot yet connect to the
server using Secure CRT. First, you must place the RSA key
on the server using the SSH Manager in the Control Panel.
This is explained in the next section.
How To Place the RSA Key on the Server:
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From the Control Panel, select the SSH icon.
Place your key in the text box that is provided in the
SSH Manager and submit it. (To do this, you must open
the key in another application, copy it, and then paste
it into this text box.)
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Launch any text-editor. On a Windows-based PC,
Notepad will suffice. (This is available from the Start
menu, under Programs, then Accessories.)
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From the Notepad File menu, select Open.
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Find the key file by switching the Files of type
field to All Files (*.*). Then, move through the
directory structure to the location of your file,
identity.pub. (The application stated where the file
would be stored in the previous procedure.) When you
located the file, double-click on it to open it in
Notepad. (Note, the image below has been altered, so the
key will not actually work.)
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Once the key is displayed in Notepad, highlight the
entire key with your mouse. From the Edit menu, select
Copy.
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Switch back to the SSH Manager and paste the key
into the text box. You can do this by placing the cursor
in the dialog box and either selecting Edit and then
Paste from your browser's main menu or by using the key
combination [Ctrl] + [V].
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Select the Submit button. A new screen displays.
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Enter the IP address for any computer from which you
will be accessing the server. You can get this
information from your ISP (Internet Service Provider).
Or, if you are currently at the computer you will be
regularly using, you can find the IP address by opening
a DOS prompt and typing the command, ipconfig. Another
way to find your IP with Windows95-98 is to click on
/Start/run/ and type Winipcfg.exe
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After you have entered a number in at least one of
the spaces provided, click on the Next button. A new
screen displays.
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Make sure that the IP address listed is correct.
Then select the Submit button. A message appears
indicating that you will be able to access the server,
via your SSH software (Secure CRT), from one of the
addresses you listed within the next ten minutes.
Once these steps have been performed, use the Secure
CRT software as usual to establish a connection to your
site on the server. You will be prompted for your
passphrase when the connection is made. Once the
connection is made, Secure CRT works similarly to other
telnet utilities.
Here are some basic easy to learn UNIX commands:
pwd - The pwd command tells you what the current working
directory.
ls - The ls command lists the files and subdirectories
of the current directory you are in. You can also add
some arguments to the ls command.
ls -F will append a forward slash to the subdirectory
names so you can easily distinguish them from file
names.
ls -a will show all hidden files such as .htaccess
files.
ls -l will show detailed information about each file and
directory, including permissions, owners, etc.
The mkdir command makes a new directory. Simply type
mkdir /home/username/yourdomain-www/directory
and replace directory with the name of the directory you
want to create.
The rmdir command deletes (removes) a directory.
The cp command copies a file to a new location or
filename. Simply type cp filename copyname and replace
filename with the name of the file you want to copy, and
copyname with the name of the new copy.
The mv command renames a file or moves it to a new
location. Simply type mv /home/username/domain-www/oldfile
newfile
The rv command deletes (removes) a file. Simply type
rm /home/username/domain-www/filename
The tar command copies a file or files to or from an
archive. To put all the files in a directory into one
tar format file, simply type
tar cvf name directory and replace name with the name
you want to call your archived file, and replace
directory with the name of the directory that contains
the files you want to tar.
To extract a tar format archive, simply type tar xvf
tarfilename at and replace tarfilename with the name of
the archived file you are extracting.
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