EZYTO10E

Terminaltype is not recognized. save_ttype
Explanation
The client responded to a DO TERMINAL TYPE, with a WILL TERMINAL
TYPE. It then proceeded to send via subnegotiation, terminal types
which are not supported by this server.  As a valid terminal type
was not received the session is ended.

System action
Processing ends

Operator response
Ensure that the client you are using can support terminal types
which are supported by the curses function of tgetent(). At this time,
this does not include 3270.  Therefore, if your client is attempting
to emulate a 3270 data stream the connection will not be accepted
by this server.

System programmer response
None.

Module
telnetd.c

Procedure name
doit()