SSH/Telnet Help

»Introduction

Overview

This section is dedicated to helping you with the SSH protocol. This includes using SSH applications, as well as understanding the protocol itself.

About This Document

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»Section Index: SSH/Telnet

General Secure Shell (SSH) Questions

• What is SSH?

Secure Shell (SSH) Clients

• SSH Secure Shell (Windows)
• Command Line SSH
• More SSH Clients

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What is SSH?

SSH (Secure SHell) is a secure replacement for telnet. Telnet is an old program that was used to connect to and communicate with servers for various reasons. Telnet allows users to access UNIX servers from a personal computer. It is often used to check email, edit web documents, compile programs, etc. Because telnet was designed with little regard for security, its use it not recommended. SSH was developed as a replacement for telnet. SSH has all the functionality of telnet with security and added features.

Most OSU servers support SSH and encourage its use over traditional telnet clients. The use of SSH is encouraged because communication between the client and the server are encrypted. This makes it very difficult for a malicious user to eavesdrop and steal personal information.

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WinSCP Secure Shell

1. What is WinSCP?
2. Where can I get WinSCP?

WinSCP Secure Shell is available on the ORSTWare 2008 CD or you can download it from WinSCP Website.

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Command Line SSH

1. How do I use the SSH from a command line?

How do I use the SSH from a command line?

To use SSH from a command line on a UNIX or Mac OS X machine, type:

ssh [-l login] remote_host

where login is your username on remote_host, and remote_host is the address of the machine you want to connect to. The part enclosed in brackets is optional if your username on your local machine is the same as your username on remote_host. For example, to SSH to the ONID shell server, you would type:

ssh -l username shell.onid.oregonstate.edu

For more information, read the manual page for ssh by typing man ssh.

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More SSH Clients

1. Where can I find more SSH clients?

Where can I find more SSH clients?

Additional SSH clients and documentation can be found at http://www.net.oregonstate.edu/ssh/

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