dcastle.org
===========

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for dcastle.org">
      Based on DIKUMUD by M.Seifert, H.Staerfeldt, S.Hammer, T.Madsen, K.Nyboe
   (o)=========================================================================(o)
   |/|   ..... ..... ...................... ...... ..                          |=|
   |=|  .....  .... ........ ...  ........... .. .. .                          |/|
   |/|....   .....  ... d Y88888888888P b  .... ... .                          |=|
   |=|      .. ....  d8888 Y888888888P 8888b    ....                           |/|
   |/|   ,-.        d888888a888888888a888888b  ...     __ \             |      |=|
   |=| (&lt;@) )_     88P'   `Y888888888P'   `Y88   ..    |   |  _ `|  __| |  /   |/|
   |/| \ /  ; )   ,,~~~.    Y8888888P       Y88 .      |   | (   | |      &lt;    |=|
   |=| /``-*==' ,''8    '~~~ 8888888~~''``.  888 ..   ____/ \__,_|_|   _|\_\   |/|
   |/| `--'}`~~' 888&amp;aaaaaaa88P'8`Y88aaaaaa`.888  ...                          |=|
   |=|   __       Y8888888888P  8  Y88888888;8P      ___|           |   |      |/|
   |/|  ;-.\__            888bod8bod888     ;  ...  |
   _ `|  __| __| |  _ \ |=|
   |=| |'@) ; `,    ,~~~~d8888888888888b   '  ...   |    (   |\__ \ |   |  __/ |/|
   |/| ,`/_.' |==~''##a. 888 `.888   888       ... \____\__,_|____/\__|_|\___| |=|
   |=| `.__\_/ `     *#a.      `.  ....    ; .....                             |/|
   (o)===========================`.======,;====================================(o)
   |=|                             `~~a~''                                     |/|
   |/|                                a#             www.dcastle.org           |=|
   |=|                                 #*                                      |/|
   |/|                           dcastle.org  telnet ports: 23, 6969           |=|
   |=|                                        SSL/TSL port: 6970               |/|
   (o)=========================================================================(o)
   
   What name for the roster?</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://dcastle.org" class="telnet-link">dcastle.org:23</a>
   <button class="copy-btn" data-host="dcastle.org" data-port="23" title="Copy host and port" aria-label="Copy dcastle.org port 23 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Telnet Fingerprint
------------------

:ref:`8d9ec9f191ea1be9... <fp_8d9ec9f191ea1be9>`

*This fingerprint is shared by 110 other servers.*

**Data source**: `8d9ec9f191ea1be9/a597b45eafcc87b7.json <https://github.com/jquast/muds.modem.xyz/tree/master/data/server/8d9ec9f191ea1be9/a597b45eafcc87b7.json>`_

The complete JSON record collected during the scan,
including Telnet negotiation results and any
MSSP metadata.

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "8d9ec9f191ea1be9",
       "fingerprint-data": {
         "offered-options": [],
         "probed-protocol": "server",
         "refused-options": [
           "AUTHENTICATION",
           "BINARY",
           "BM",
           "CHARSET",
           "COM_PORT",
           "DET",
           "ECHO",
           "ENCRYPT",
           "EOR",
           "FORWARD_X",
           "KERMIT",
           "NAMS",
           "NAOCRD",
           "NAOFFD",
           "NAOHTD",
           "NAOHTS",
           "NAOL",
           "NAOLFD",
           "NAOP",
           "NAOVTD",
           "NAOVTS",
           "PRAGMA_HEARTBEAT",
           "PRAGMA_LOGON",
           "RCP",
           "RCTE",
           "RSP",
           "SEND_URL",
           "SGA",
           "SSPI_LOGON",
           "STATUS",
           "SUPDUP",
           "SUPDUPOUTPUT",
           "SUPPRESS_LOCAL_ECHO",
           "TLS",
           "TN3270E",
           "TTYLOC",
           "VT3270REGIME",
           "X3PAD",
           "XAUTH"
         ],
         "requested-options": []
       },
       "session_data": {
         "banner_after_return": " _ `|  __| __| |  _ \\ |=|\n\r|=| |'@) ; `,    ,~~~~d8888888888888b   '  ...   |    (   |\\__ \\ |   |  __/ |/|\n\r|/| ,`/_.' |==~''##a. 888 `.888   888       ... \\____\\__,_|____/\\__|_|\\___| |=|\n\r|=| `.__\\_/ `     *#a.      `.  ....    ; .....                             |/|\n\r(o)===========================`.======,;====================================(o)\n\r|=|                             `~~a~''                                     |/|\n\r|/|                                a#             www.dcastle.org           |=|\n\r|=|                                 #*                                      |/|\n\r|/|                           dcastle.org  telnet ports: 23, 6969           |=|\n\r|=|                                        SSL/TSL port: 6970               |/|\n\r(o)=========================================================================(o)\n\r\n\rWhat name for the roster? ",
         "banner_before_return": "\r\n   Based on DIKUMUD by M.Seifert, H.Staerfeldt, S.Hammer, T.Madsen, K.Nyboe\n\r(o)=========================================================================(o)\n\r|/|   ..... ..... ...................... ...... ..                          |=|\n\r|=|  .....  .... ........ ...  ........... .. .. .                          |/|\n\r|/|....   .....  ... d Y88888888888P b  .... ... .                          |=|\n\r|=|      .. ....  d8888 Y888888888P 8888b    ....                           |/|\n\r|/|   ,-.        d888888a888888888a888888b  ...     __ \\             |      |=|\n\r|=| (<@) )_     88P'   `Y888888888P'   `Y88   ..    |   |  _ `|  __| |  /   |/|\n\r|/| \\ /  ; )   ,,~~~.    Y8888888P       Y88 .      |   | (   | |      <    |=|\n\r|=| /``-*==' ,''8    '~~~ 8888888~~''``.  888 ..   ____/ \\__,_|_|   _|\\_\\   |/|\n\r|/| `--'}`~~' 888&aaaaaaa88P'8`Y88aaaaaa`.888  ...                          |=|\n\r|=|   __       Y8888888888P  8  Y88888888;8P      ___|           |   |      |/|\n\r|/|  ;-.\\__            888bod8bod888     ;  ...  |    ",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "timing": {
           "probe": 0.5040764808654785,
           "total": 1.0048060417175293
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-08T04:45:41.874203+00:00",
         "host": "dcastle.org",
         "ip": "72.14.179.114",
         "port": 23
       }
     ]
   }

Connection Log
--------------

Debug-level log of the Telnet negotiation session,
showing each IAC (Interpret As Command) exchange
between client and server.

.. code-block:: text

   DEBUG client.py:770 Fingerprint client: host=dcastle.org port=23
   INFO client_base.py:174 Connected to <Peer 72.14.179.114 23>
   DEBUG stream_writer.py:1292 IAC GA: Go-Ahead (unhandled).
   DEBUG client_base.py:460 negotiation complete after 2.00s.
   DEBUG client_base.py:88 EOF from server, closing.
   INFO client_base.py:105 Connection closed to <Peer 72.14.179.114 23>
   INFO fingerprinting.py:746 connection for server fingerprint c2dd7d4e76383b41

*Generated by* `telnetlib3-fingerprint <https://github.com/jquast/telnetlib3>`_

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug dcastle.org 23