Using a Desktop Terminal

Necessities

Local hostname

thisdomain.com

Remote hostname

localhost

Local port:

2401

Remote port:

2401

Username:

tunnel

User password:

tunnel

Windows

These Windows clients provide SSH tunneling:

• SecureCRT is produced by Van Dyke Software.
• Reflection for Secure IT (formerly F-Secure SSH) is produced by AttachmateWRQ.
• TTSSH is an open-source add-on to Tera Term Pro.

  Note:You must install and configure TeraTerm before using TTSSH. For information about TTSSH, see the TTSSH Web site.

• PuTTY is a free implementation of Telnet and SSH for Win32 platforms. It also provides an XTerm terminal emulator.

  Note:PuTTY does not allow you to easily configure the client to handle port forwarding. As a result, it is not recommended for tunneling.

Unix

For information about tunneling from a Unix-like environment, such as Linux, see Tunneling using Cygwin.

Macintosh

OSX

On OSX machines, you can use the built-in SSH client. Open a terminal session and follow the instructions in Tunneling using Cygwin.

Earlier versions

For earlier Macintosh operating systems, two clients provide SSH tunneling:

• MacSSH
• NiftyTelnet SSH

Both Mac clients offer intuitive interfaces and are well-documented. For that reason, this discussion of the Mac clients is very brief. However, for both clients, the important information is the same as for the Windows clients: the hostname and ports must be correctly specified.

Procedure

To set up SSH tunneling, follow these steps. These instructions assume you are using SecureCRT (version 3.1.2) on Windows, but the basic procedure is the same for any client or platform: you must correctly enter the host names and the port numbers.

1. Open a new session, specifying "SSH1" in the pull-down menu.
2. For "Hostname", enter " thisdomain.com."
3. Click the Advanced button.
4. In the Advanced section, select the "Port Forwarding" tab.
5. For "Local port," enter "2401."
6. For "Remote port," enter "2401."
7. For "Username," enter "tunnel."
8. For "User password," enter "tunnel."
9. For "Remote hostname," enter " localhost."
10. Enter "Save" and "OK" to exit the dialog box.
11. On the main connection page, leave the defaults for "Cipher" and "Authentication" as they are.
12. Click "Connect." The server prompts for your password. It is " tunnel."
13. If this is your first time, the client will tell you that no "host key" for the server has been found and ask if you want to continue. Answer yes.

You are now tunneling.

Note: The terminal screen does not show a prompt. That's how it should be. The tunnel has been established. You are now ready to begin using CVS securely.