Server Development

Telnet Protocol

Negotiation Options

Clients that do not support telnet negotiation may end up displaying negotiation sent by a server, as junk characters. One example of this is MXP, which has been reported to display 'Z' or '[' in the client when an attempt at negotiation is made.

Line Endings

Clients may send any of \r, \r\n and \n as their line ending. The server will need to…