Здравствуйте, Timurka, Вы писали:

A>>читать RFC ftp://ftp.isi.edu/in-notes/rfc854.txt. Telnet это не просто плюнул/ответил,
A>>а навороченный протокол

T>Читал-читал — может чего конкретного подскажешь
Плохо читал . Вот конкретно, чтоб сервер не отсылал эхо

1. Command Name and Code

ECHO 1

2. Command Meanings

IAC WILL ECHO

The sender of this command REQUESTS to begin, or confirms that it
will now begin, echoing data characters it receives over the
TELNET connection back to the sender of the data characters.

IAC WON'T ECHO

The sender of this command DEMANDS to stop, or refuses to start,
echoing the data characters it receives over the TELNET connection
back to the sender of the data characters.

IAC DO ECHO

The sender of this command REQUESTS that the receiver of this
command begin echoing, or confirms that the receiver of this
command is expected to echo, data characters it receives over the
TELNET connection back to the sender.

IAC DON'T ECHO

The sender of this command DEMANDS the receiver of this command
stop, or not start, echoing data characters it receives over the
TELNET connection.

3. Default

WON'T ECHO

DON'T ECHO

No echoing is done over the TELNET connection.

Вот по коммандам:

NAME CODE MEANING

SE 240 End of subnegotiation parameters.
NOP 241 No operation.
Data Mark 242 The data stream portion of a Synch.
This should always be accompanied
by a TCP Urgent notification.
Break 243 NVT character BRK.
Interrupt Process 244 The function IP.
Abort output 245 The function AO.
Are You There 246 The function AYT.
Erase character 247 The function EC.
Erase Line 248 The function EL.
Go ahead 249 The GA signal.
SB 250 Indicates that what follows is
subnegotiation of the indicated
option.
WILL (option code) 251 Indicates the desire to begin
performing, or confirmation that
you are now performing, the
indicated option.
WON'T (option code) 252 Indicates the refusal to perform,
or continue performing, the
indicated option.
DO (option code) 253 Indicates the request that the
other party perform, or
confirmation that you are expecting
the other party to perform, the
indicated option.
DON'T (option code) 254 Indicates the demand that the
other party stop performing,
or confirmation that you are no
longer expecting the other party
to perform, the indicated option.
IAC 255 Data Byte 255.