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When you remotely login to department computers, you must use a secure connection of some sort. Most UNIX and Mac OSX systems have a Secure Shell program (ssh) installed; solutions for Windows systems are also avaliable. A Secure Shell program is the functional equivalent of telnet or rlogin, but with several advanced features. Most importantly, it provides an encrypted connection between the two machines, making eavesdropping and session hijacking impossible. It also provides X display forwarding, provided you have an X-server running on your local machine. Likewise, it can also provide arbitrary port tunneling between machines, providing a secure connection for any service.Secure Shells programs also provide secure file-transfer capability, via the sftp (Secure FTP) or scp (Secure Copy) commands. These are secure replacements for the insecure services ftp and rcp.
If you have any questions please contact the Lab Staff.