11.2.4 Third-party SSH client (standard Windows and Windows on Windows)

This procedure applies to the following cases:

• 32-bit Internet Explorer on a 32-bit or 64-bit operating system

• 32-bit Firefox on a 32-bit or 64-bit operating system

• 64-bit Internet Explorer on a 64-bit operating system

• 64-bit Microsoft Edge on a 64-bit operating system

To configure a third-party SSH client for use by a Web browser, follow these steps:

1. Obtain and install a third-party SSH client.

   This procedure gives examples for the PuTTY client installed to C:\Program Files\PuTTY\putty.exe.

   Because PuTTY cannot correctly parse the ssh://node input, this example includes a script that strips the ssh:// from the input argument. The script C:\Program Files\PuTTY\ssh.js contains the following commands:

   host = WScript.Arguments(0).replace(/ssh:/,"").replace(/\//g,"");
   shell = WScript.CreateObject("WScript.Shell");
   shell.Run("\"c:\\Program Files\\PuTTY\\putty.exe\" -ssh " + host);

   This script was created for this example and is not included with PuTTY.

2. Define the SSH protocol.

   a. Back up the Windows registry.

   b. Use the Windows registry editor to add the [HKEY_CLASSES_ROOT\ssh] key with the following values:

   Name	Type	Data
   (default)	REG_SZ	URL:SSH protocol
   EditFlags	REG_DWORD	2
   FriendlyTypeName	REG_SZ	SSH
   URL protocol	REG_SZ	No value

3. Set file association for the URL:SSH protocol file type.

   a. Back up the Windows registry.

   b. Use the Windows registry editor to modify the [HKEY_CLASSES_ROOT\ssh\shell\open\command]key with the following values:

   Name	Type	Data
   (default)	REG_SZ	"C:\Windows\System32\WScript.exe" "C:\Program Files\PuTTY\ssh.js" %l

   %l (with a lowercase L) is the complete ssh argument, including the protocol specification. The ssh.js script passes the SSH target to PuTTY.

   In a .reg file, escape each quotation mark (") and backslash (\) character with a backslash (\) character.

4. Restart the Web browser, and then, in the browser address bar, enter the ssh command:

   ssh://node

   node is the IP address or fully-qualified domain name of a node that runs the telnet server.

   If you are prompted with a security warning, permit the action.

   In Firefox, select the Remember my choice for ssh links check box.

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