TELNET Option RFCs

Std     Protocol   Name                                      RFC
======  ========   =====================================     =============
STD-08  TELNET     Telnet Protocol                           0854, 0855
STD-27  TOPT-BIN   Binary Transmission                    0  0856
STD-28  TOPT-ECHO  Echo                                   1  0857
        TOPT-RECN  Reconnection                           2   ...
STD-29  TOPT-SUPP  Suppress Go Ahead                      3  0858
        TOPT-APRX  Approx Message Size Negotiation        4   ...
STD-30  TOPT-STAT  Status                                 5  0859
STD-31  TOPT-TIM   Timing Mark                            6  0860
        TOPT-REM   Remote Controlled Trans and Echo       7  0726
        TOPT-OLW   Output Line Width                      8   ...
        TOPT-OPS   Output Page Size                       9   ...
        TOPT-OCRD  Output Carriage-Return Disposition     10 0652
        TOPT-OHT   Output Horizontal Tabstops             11 0653
        TOPT-OHTD  Output Horizontal Tab Disposition      12 0654
        TOPT-OFD   Output Formfeed Disposition            13 0655
        TOPT-OVT   Output Vertical Tabstops               14 0656
        TOPT-OVTD  Output Vertical Tab Disposition        15 0657
        TOPT-OLD   Output Linefeed Disposition            16 0658
        TOPT-EXT   Extended ASCII                         17 0698
        TOPT-LOGO  Logout                                 18 0727
        TOPT-BYTE  Byte Macro                             19 0735
        TOPT-DATA  Data Entry Terminal                    20 1043
        TOPT-SUP   SUPDUP                                 21 0736
        TOPT-SUPO  SUPDUP Output                          22 0749
        TOPT-SNDL  Send Location                          23 0779
        TOPT-TERM  Terminal Type                          24 1091
        TOPT-EOR   End of Record                          25 0885
        TOPT-TACACS  TACACS User Identification           26 0927
        TOPT-OM    Output Marking                         27 0933
        TOPT-TLN   Terminal Location Number               28 0946
        TOPT-3270  Telnet 3270 Regime                     29 1041
        TOPT-X.3   X.3 PAD                                30 1053
        TOPT-NAWS  Negotiate About Window Size            31 1073
        TOPT-TS    Terminal Speed                         32 1079
        TOPT-RFC   Remote Flow Control                    33 1372
        TOPT-LINE  Linemode                               34 1184
        TOPT-XDL   X Display Location                     35 1096
        TOPT-ENVIR Telnet Environment Option              36 1408
        TOPT-AUTH  Telnet Authentication Option           37 1416
        TOPT-ENVIR Telnet Environment Option              39 1572
STD-32  TOPT-EXTOP Extended-Options-List                 255 0861