What is Telnet?
1.
A terminal-emulation protocol that is widely used on the Internet to log on to network computers. Telnet also refers to the application that uses the Telnet protocol for users who log on from remote locations.
Microsoft Telnet> o 207.44.188.38 25
Connecting To 207.44.188.38..uld not open connection to the host, on port 25.
An existing connection was forcibly closed by the remote host.
See
2.
A communication protocol sometimes used to connect to internet servers from remote hosts.
Seldom used due to it's inability to display pornography.
telnet playboy
Connecting to playboy
login: hughhefner
password: ********
hughhefner % titties
titties: Command not found
See
3.
The other definitions are correct, but fail to mention that telnet is very insecure, as all data (including user names and passwords) are sent across the network in plain text (unencrypted). On an untrusted/public network (like the internet) this can be quite dangerous.
Telnet is outdated. Secure Shell (SSH) is a far better alternative.
4.
(tel´net) (n.) A terminal emulation program for TCP/IP networks such as the Internet. The Telnet program runs on your computer and connects your PC to a server on the network. You can then enter commands through the Telnet program and they will be executed as if you were entering them directly on the server console. This enables you to control the server and communicate with other servers on the network. To start a Telnet session, you must log in to a server by entering a valid username and password. Telnet is a common way to remotely control Web servers.
Hopefully Lornhorn comes out soon