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The telnet protocol

General and Gameplay Programming Programming

Started by Martee June 12, 2001 10:30 PM

2 comments, last by Martee 22 years, 10 months ago

Martee

476

Author

June 12, 2001 10:30 PM

Ok, so I''m trying (and failing...) to write a simple telnet client. I can connect to a server and negotiate options (IAC''s are fun). The problem is ... what do I do next? I can''t seem to find any info on what do do after that. I haven''t found a login option (although there is one for logout - 18). Or ... am I not negotiating options properly, and whatever is supposed to happen when that''s done isn''t happening? ~~~~~~~~~~ Martee http://www.csc.uvic.ca/~mdill

ReactOS - an Open-source operating system compatible with Windows NT apps and drivers

blit

122

June 12, 2001 11:16 PM

As far as I know, logging in isn''t part of the telnet protocol. That''s the problem for the box you''re connecting to. All you do is negotiate some options for data transfer (the IAC stuff) and send and receive data. If you telnet to a login port, the other side will provide you with the login prompt.

Kylotan

10,510

June 13, 2001 10:30 AM

Yeah... all the client does is negotiate options and display the data received from the server. The logging in process is just like any other prompt... the server sends the text, and the user with the client decides what to type and send in return... nothing automated about it. The server should just spit out the login prompt at you at some point with no action required on your part for it to do so.