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Monday July 28th, 2014

Configuring Putty using SSH
for Windows

Summary: This handout is a comprehensive set of instructions to configure the SSH client Putty to work with Nacs servers.

Connecting to the Internet

Before you can setup and use putty, you must be connected to the Internet. For instructions on connecting to UCI, either pickup a handout or locate a computer that already has Internet access and go to the Web page

What is Putty and SSH?

Getting Started

  1. Download putty by clicking on one of the download mirrors below. Save it to your desktop. Execute it by double clicking on its icon.
Putty Mirror 1
Putty Mirror 2



  1. Under Host Name type in the server you wish to connect to. Make sure SSH is selected, then press Open. (Figure 1)

Faculty & Staff



Name Window
Figure 1

  1. If this is the first time you have connected to this server, a security alert will show up. Click Yes to continue. (Figure 2)

Name Window
Figure 2

  1. Following this, you will be presented with the SSH Login window, where you will be prompted to enter your username and password. (Figure 3)

Name Window
Figure 3


Optional Configuration File

  1. OIT has provided an optional automatic configuration file.  By clicking on the link below, this file will install the proper security and configuration settings for putty to the windows registry. When asked to what to do with your file, instead of saving it, click Open or Run to execute the program. It will ask if it can add the file to the registry. Click Yes to continue.
SSH Configuration File for OIT Servers


  1. Now when you use Putty you can just Double Click on the host server name you wish to connect to. (Figure 4)

Name Window
Figure 4

Putty Tips

If you have any problems, please call the OIT Help Desk at 949-824-2222.