[citw150] L4 Q6 - Telnet

6a.        In summary, Telnet is a protocol that "offers users the
capability of running programs remotely and facilitates remote
administration.  It is available for practically all operating systems
and eases integration in heterogeneous networking environments."  
 
Telnet is a communication protocol established using TCP/IP transmission
that uses ASCII control codes to interpret and submit conversation over
a Telnet Server (may be used in relation with FTP and SMTP protocols, as
well).   
 
            Telnet also requires commands to control the client-server
connection (client being the user's terminal and server being the
recipient's computer and/or host).  Examples of some commands include
NOP (no operation), BRK (break), AO (abort operation), EC (erase
character) and DO (do indicating a request that the recipient must
perform), to name a few of the many. 
 
            Telnet is a very "technical" protocol whereas the sender
(client) and receiver (server) must understand computer code in order to
successfully communicate.  For more detailed information, such as
specific control and command codes and meanings please visit
http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q231866
<http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q231866&;> & . 
 
6b.        I tried to practice using telnet by keying in
telnet://134.4.10.106 <telnet://134.4.10.106/>  into the IP address
field.  My computer then displayed a new DOS based window (Unix to be
exact).  I keyed in ned. (login name), ENTER, password queue - did not
know so pressed ENTER and I was given an incorrect login error message.
I then closed the window and tried again at telnet://140.147.254.3
<telnet://140.147.254.3/>  (Library of Congress).  In the new blank
window I tried to key in commands but no matter what key I pressed
(ENTER, alpha, numerical, UP ARROW, DOWN ARROW, TAB), the DOS window
disappeared showing no results whatsoever.  I proceeded to www.yahoo.com
<http://www.yahoo.com/>  and searched "telnet".  Upon choosing a site -
http://www.freebsd.org/cgi/man.cgi?telnet I realized that my user id was
not being recognized by the telnet server which provides a default
response that disallows an unknown user the "privilege" of
communicating.  Because I do not know how to bypass this, I called it
quits.  
 
6c.        I learned that there is a lot more I need to learn about
computers before I can use them effectively and efficiently!  However,
through my readings thus far, I learned that Telnet is basically yet
another means of communicating between computers.  
 
Dawn E. Zawadzinski
beautifulpeople4@xxxxxxxxxxx
 
"A rumour without a leg to stand on will get around some other way."

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