RFC 1041 (rfc1041) - Page 2 of 6
Telnet 3270 regime option
Alternative Format: Original Text Document
RFC 1041 Telnet 3270 Regime Option January 1988
imbedded spaces should escape it with backslash character ('\').
Backslash character imbedded into terminal type name should be
escaped with another backslash character.
Empty REGIME-LIST means, that sender is able to support only NVT
ASCII terminal as defined in [4].
IAC SB 3270-REGIME IS REGIME IAC SE
Sender is stating the name of the terminal it is willing to
support. The code for IS is 0.
REGIME is an ASCII string (possibly empty) which is substring of
the received REGIME-LIST string. Empty string means that the
sender is willing to support only NVT ASCII terminal as defined in
[4].
3. Default
WON'T 3270-REGIME
3270 Regime will not be established.
DON'T 3270-REGIME
3270 Regime will not be established.
4. Motivation for the option
This option allows a telnet server running VM or MVS to negotiate
with the telnet client on the type of data stream (3270 or NVT ASCII)
which both sides are willing support.
The main reason for this option is to allow simple and efficient way
to:
o state, that both client and server want to exchange 3270 data
stream,
o switch from 3270 Regime into NVT ASCII Regime and back into 3270
Regime,
o dynamically renegotiate 3270 Regime parameters (like terminal
type).
Rekhter