otsbbs.ddns.net:2323
====================

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for otsbbs.ddns.net:2323">  </pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://otsbbs.ddns.net:2323" class="telnet-link">otsbbs.ddns.net:2323</a>
   <button class="copy-btn" data-host="otsbbs.ddns.net" data-port="2323" title="Copy host and port" aria-label="Copy otsbbs.ddns.net port 2323 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
--------

- **Effective encoding**: cp437
- **Scanner detected**: ascii

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

:ref:`c8e9c61c9db3f383... <fp_c8e9c61c9db3f383>`

*This fingerprint is shared by 3 other servers.*

**Options offered by server**: ``ECHO``

**Data source**: `c8e9c61c9db3f383/5d956a5c55619777.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/c8e9c61c9db3f383/5d956a5c55619777.json>`_

The complete JSON record collected during the scan,
including Telnet negotiation results and banner data.

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "c8e9c61c9db3f383",
       "fingerprint-data": {
         "offered-options": [
           "ECHO"
         ],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "BINARY",
           "CHARSET",
           "COM_PORT",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "SGA",
           "STATUS",
           "ZMP"
         ],
         "requested-options": [],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "",
         "banner_before_return": "\b\b  \b\b\b",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true
           },
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5035147666931152,
           "total": 5.008419752120972
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:34:25.680832+00:00",
         "host": "otsbbs.ddns.net",
         "ip": "94.71.83.94",
         "port": 2323
       }
     ]
   }

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:863 Fingerprint client: host=otsbbs.ddns.net port=2323
   INFO client_base.py:174 Connected to <Peer 94.71.83.94 2323>
   DEBUG stream_writer.py:706 recv IAC WILL ECHO
   DEBUG stream_writer.py:722 WILL ECHO unsolicited
   DEBUG stream_writer.py:1897 handle_will(ECHO)
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
   DEBUG stream_writer.py:947 send IAC DO ECHO
   DEBUG stream_writer.py:3167 remote_option[ECHO] = True
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = False
   DEBUG client_base.py:460 negotiation complete after 2.00s.
   DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = True
   DEBUG stream_writer.py:947 send IAC DO BINARY
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = True
   DEBUG stream_writer.py:947 send IAC DO SGA
   DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = True
   DEBUG stream_writer.py:947 send IAC DO STATUS
   DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = True
   DEBUG stream_writer.py:947 send IAC DO CHARSET
   DEBUG stream_writer.py:3167 pending_option[DO + EOR] = True
   DEBUG stream_writer.py:947 send IAC DO EOR
   DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = True
   DEBUG stream_writer.py:947 send IAC DO COM_PORT_OPTION
   DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = True
   DEBUG stream_writer.py:947 send IAC DO GMCP
   DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = True
   DEBUG stream_writer.py:947 send IAC DO MSDP
   DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = True
   DEBUG stream_writer.py:947 send IAC DO MSSP
   DEBUG stream_writer.py:3167 pending_option[DO + MSP] = True
   DEBUG stream_writer.py:947 send IAC DO MSP
   DEBUG stream_writer.py:3167 pending_option[DO + MXP] = True
   DEBUG stream_writer.py:947 send IAC DO MXP
   DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = True
   DEBUG stream_writer.py:947 send IAC DO ZMP
   DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = True
   DEBUG stream_writer.py:947 send IAC DO AARDWOLF
   DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = True
   DEBUG stream_writer.py:947 send IAC DO ATCP
   INFO fingerprinting.py:746 connection for server fingerprint c8e9c61c9db3f383
   INFO client_base.py:105 Connection closed to <Peer 94.71.83.94 2323>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug otsbbs.ddns.net 2323