TELNET : Java Glossary

by Roedy Green ©1996-2008 Canadian Mind Products
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TELNET: A command line Internet protocol to log in to a remote computer indirectly through a chain of telecommunications links. It is a bit like using an old DEC VT-100 dumb terminal. The net effect is as if your computer were a character based terminal directly attached to the remote computer. You often log in with the id of "guest" or "anonymous", which will give you low privilege. For security, often you telnet over SSH.
Telnet is also useful for debugging to see if you can at least get a packet through. To test an SMTP mail server for example you would telnet on port 25. This lets you know firewalls are not blocking you.
Jakarta Commons Net Protcol package
port
Savarese NetComponents package
SSH
TCP/IP
Teraterm

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