TELNET (Teletype Network)

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Telnet is a network Protocol used on the internet or local area networks, Typically telnet provide access to “command-line interface” on a remote host via a virtual terminal connection which consist of an 8 bit byte oriented data connection over the TCP.
Through Telnet, an administrator or another user can access someone else’s computer remotely.
On the Web, HTTP and FTP protocols allow you to request specific files from remote computers, but not to actually be logged on as a user of that computer. With Telnet, you log on as a regular user with whatever privileges you may have been granted to the specific application and data on that computer.
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TELNET COMMANDS

Close

close current connection

display

display operating parameters

mode

try to enter line or character mode (‘mode ?’ for more)

open

connect to a site

quit

exit telnet

send

transmit special characters (‘send ?’ for more)

set

set operating parameters (‘set ?’ for more)

unset

unset operating parameters (‘unset ?’ for more)

status

print status information

toggle

toggle operating parameters (‘toggle ?’ for more)

slc

change state of special characters (‘slc ?’ for more)

z

suspend telnet

!

invoke a subshell

environ

change environment variables (‘environ ?’ for more)

?

print help information

 

Telnet is a protocol that is most commonly used to log into a remote computer. It also is the single most powerful hacking tool on the planet. With just a telnet client program, you can:
—-> Send Email
—-> Download source code from web sites
—-> Send unexpected input to web servers that can give you amazing and sometimes illegal results
—-> Give arbitrary input to many other services on Internet host computers
—-> Probe the services offered by servers, routers and even people’s home computers.

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