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RFC0736

  1. RFC 0736
NWG/RFC# 736                                  MRC 31-OCT-77 23:28  42213
Telnet SUPDUP Option



Network Working Group                                       Mark Crispin
Request for Comments 736                                           SU-AI
NIC 42213                                                31 October 1977

                          TELNET SUPDUP Option

1.  Command name and code.

   SUPDUP               21

2.  Command meanings.

   IAC WILL SUPDUP

      The sender of this command  REQUESTS permission to, or  confirms
      that it will, use the SUPDUP display protocol

   IAC WON'T SUPDUP

      The sender of this command REFUSES to use the SUPDUP protocol.

   IAC DO SUPDUP

      The sender of this  command REQUESTS that  the receiver use,  or
      grants the receiver permission to use, the SUPDUP protocol.

   IAC DON'T

      The sender of this command DEMANDS that the receiver not use the
      SUPDUP protocol.

3.  Default.

   WON'T SUPDUP

   DON'T SUPDUP

   i.e., the SUPDUP display protocol is not in use.














Mark Crispin                                                       [page 1]