SSH and Telnet

SSH and Telnet is most likely to be used by program developers, administrator or anyone who has a need to use specific applications or data located at a particular computer.

Through SSH and Telnet, program developers or other user can access another computer remotely therefore giving that user the opportunity to be on one computer system and do work on another by entering commands into a remote computer as if you were sitting at a keyboard connected directly to that computer.

Comparison.

Unlike HTTP and FTP protocols that allow one to request specific files from remote computers without actually being logged on as a user of that computer. With Telnet, one is able to log on remotely as a regular user of a computer that may be a few blocks or thousand of mile away.

Once logged you will be able to carry out whatever privileges you may have been granted to that specific application and data on that computer. You can have a feel of how telnet works here Where modems are limited due to the quality of telephone lines or due to a single connection, telnet provides a connection that is error-free and nearly always faster than the latest conventional modems.

SSH and Telnet.

With recent advancements, secure shell (SSH) has become more dominant in remote access and works the same way as telnet despite the fact that it may require a little more set up and installation of external programs.

SSH is a secure telnet which encrypts everything you type in and then unencrypts it on the server so that user’s commands and passwords are all secret.

SSH and Telnet are protocols which allow a web site owner to access a command line interface on their web hosting account therefore enabling the web site owner to more easily install applications, transfer large files, perform backups, and set up mail filters.

Be aware that a web host offering telnet and to a lesser extend SSH access is at greater risk of hacking, extra care should be taken to make sure that your web host is reliable and gives due consideration to security.

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