bbs.retrocampus.com:23
======================

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for bbs.retrocampus.com:23">RETROCAMPUS BBS
   ---------------
   
   SUPPORTED SYSTEMS:
   
   1- CBM PETSCII  W/ECHO   40X25 (6510)
   2- APPLE-1/II   NOECHO   40X24 (6502)
   3- APPLE-1/II   W/ECHO   40X24 (6503)
   4- PURE ASCII   W/ECHO   80X24 (8000)
   T- PURE ASCII   W/ECHO   72X24
   5- PURE ASCII   NOECHO   80X24 (8001)
   6- DOS CP 437   W/ECHO   80X24 (8088)
   7- DOS CP 437   NOECHO   80X24 (8089)
   8- TELNET LINUX W/ECHO   80X24 (8086)
   9- VIC-20 ASCII W/ECHO   22X23 (6561)
   0- OLIVETTI M10 W/ECHO   40X15 (8085)
   M- MINITEL      W/ECHO   40X24 (1651)
   P- PRESTEL      W/ECHO   40X24 (6499)
   
   PLEASE SELECT A SYSTEM
   PRESS ENTER TO CLOSE  CONNECTION
   
   &gt;</pre>

.. raw:: html

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

Encoding
--------

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

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

:ref:`c2dd7d4e76383b41... <fp_c2dd7d4e76383b41>`

*This fingerprint is shared by 46 other servers.*

**Data source**: `c2dd7d4e76383b41/a9a9330c7fa1e642.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/c2dd7d4e76383b41/a9a9330c7fa1e642.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "c2dd7d4e76383b41",
       "fingerprint-data": {
         "offered-options": [],
         "probed-protocol": "server",
         "refused-options": [],
         "requested-options": [],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "\r\r\n",
         "banner_before_return": "\fRETROCAMPUS BBS\r\n---------------\r\n\r\nSUPPORTED SYSTEMS:\r\n\r\n1- CBM PETSCII  W/ECHO   40X25 (6510)\r\n2- APPLE-1/II   NOECHO   40X24 (6502)\r\n3- APPLE-1/II   W/ECHO   40X24 (6503)\r\n4- PURE ASCII   W/ECHO   80X24 (8000)\r\nT- PURE ASCII   W/ECHO   72X24\r\n5- PURE ASCII   NOECHO   80X24 (8001)\r\n6- DOS CP 437   W/ECHO   80X24 (8088)\r\n7- DOS CP 437   NOECHO   80X24 (8089)\r\n8- TELNET LINUX W/ECHO   80X24 (8086)\r\n9- VIC-20 ASCII W/ECHO   22X23 (6561)\r\n0- OLIVETTI M10 W/ECHO   40X15 (8085)\r\nM- MINITEL      W/ECHO   40X24 (1651)\r\nP- PRESTEL      W/ECHO   40X24 (6499)\r\n\r\nPLEASE SELECT A SYSTEM\r\nPRESS ENTER TO CLOSE  CONNECTION\r\n\r\n>",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.0,
           "total": 2.6053261756896973
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:33:41.167402+00:00",
         "host": "bbs.retrocampus.com",
         "ip": "178.79.152.19",
         "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:863 Fingerprint client: host=bbs.retrocampus.com port=23
   INFO client_base.py:174 Connected to <Peer 178.79.152.19 23>
   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 178.79.152.19 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 bbs.retrocampus.com 23