SSH (Secure Shell) with Putty
Secure Shell (SSH) is the standard for secure file transfer and remote logins over the internet. All network traffic is encrypted and optionally compressed, providing strong authentication measures and secure communications. The following are procedures to use SSH connection for Putty.
a) Setup and connect to the servers
b) Exit Putty
a) Setup and connect to the servers
There is no native SSH client program installed in the Windows Operating System, you have to download the SSH client program (PuTTY) to your PC in order to make an SSH connection to a server (host computer).
- Download Putty from the Internet at http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
- Save it on the Desktop
- Double click putty on the Desktop
- In the Host Name (or IP address) field, type in the remote system you intend to connect to (web.hku.hk in this example).
- Select SSH for the connection type.
- In the Save Session field, type in the remote system you intend to connect to (web.hku.hk in this example).
- Click the Save button.
- Make sure you are using SSH version 2 for communication by
clicking SSH at the end of the left sub-window.
- For Preferred SSH protocol version, select 2.
- Click Session again at the top of left sub-window.
- In Save session, click Save again.
- Click Open.
- You will see a pop-up window below. This is a feature of the SSH protocol. It is designed to protect you against a network attack known as "spoofing" - secretly redirecting your connection to a different computer, so that they can get your password. Click Yes to continue.
- A login screen comes out same as using telnet.
- Enter your account username (HKU Portal UID) and password (HKU Portal PIN) to login the session.
b) Exit Putty
- To end the Putty session, type the server's own logout command, such as exit or logout. This might vary between servers.
- You can close the session by using the Close button.
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