09-08-2012, 12:51 PM
The Telnet Protocol RFC 854
Telnet.ppt (Size: 416 KB / Downloads: 29)
Network Virtual Terminals
Mega-Handshake
Determine:
Terminal type
Terminal width/height
Terminal Speed
Remote Flow Control
Environment Variables
WILL / WONT / DO / DONT Virtual Terminal Negotiations
WILL – Sender supports certain functionality
WONT – Sender cannot support the specified functionality
DO – Sender wants the other end to do something
DONT – Sender wants the other end not to do something
Combinations
Sender WILL/Receiver DO: Sender wants to use certain functionality. Receiver says OK.
Sender WILL/Receiver DONT: Receiver cannot support that option
Sender DO/ Receiver WILL: Sender can handle certain functionality if receiver wants.
Sender DO/ Receiver WONT: Receiver cannot support option
Sender WONT/ Receiver DONT: Option disabled
Sender DONT/ Receiver WONT: Option disabled