38.179.43.245 (error404bbs.ddns.net)
====================================

error404bbs.ddns.net:24
-----------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for error404bbs.ddns.net:24">Telnet connection detected.
   
   Please enter your name (ENTER for none):
   TradeWars Game Server                                     Copyright (C) EIS
   TWGS v2.20b                                               www.eisonline.com
   
   Server registered to Error 404 BBS
   Supports up to 10 games and 5 nodes</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://error404bbs.ddns.net:24" class="telnet-link">error404bbs.ddns.net:24</a>
   <button class="copy-btn" data-host="error404bbs.ddns.net" data-port="24" title="Copy host and port" aria-label="Copy error404bbs.ddns.net port 24 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
~~~~~~~~

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

Telnet Fingerprint
~~~~~~~~~~~~~~~~~~

:ref:`270f5f632ae16ede... <fp_270f5f632ae16ede>`

*This fingerprint is shared by 102 other servers.*

**Options offered by server**: ``BINARY``, ``ECHO``, ``SGA``

**Options requested from client**: ``BINARY``

**Data source**: `270f5f632ae16ede/a01003cd5ab2c529.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/270f5f632ae16ede/a01003cd5ab2c529.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "270f5f632ae16ede",
       "fingerprint-data": {
         "offered-options": [
           "BINARY",
           "ECHO",
           "SGA"
         ],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "CHARSET",
           "COM_PORT",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "STATUS",
           "ZMP"
         ],
         "requested-options": [
           "BINARY"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "\n\r\u001b[2J\u001b[H\u001b[0mTradeWars Game Server                                     Copyright (C) EIS\n\rTWGS v2.20b                                               www.eisonline.com\n\r\n\rServer registered to Error 404 BBS\n\rSupports up to 10 games and 5 nodes\n\r",
         "banner_before_return": "\u0000Telnet connection detected.\n\r\n\rPlease enter your name (ENTER for none): ",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "0x24": false,
             "BINARY": true,
             "ECHO": true,
             "NEW_ENVIRON": false,
             "SGA": true,
             "STATUS": false
           },
           "server_requested": {
             "0x24": false,
             "0xf6": false,
             "BINARY": true,
             "LFLOW": false,
             "LINEMODE": false,
             "NAWS": false,
             "NEW_ENVIRON": false,
             "TSPEED": false,
             "TTYPE": false
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5037722587585449,
           "total": 5.236419439315796
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:30:11.614215+00:00",
         "host": "error404bbs.ddns.net",
         "ip": "38.179.43.245",
         "port": 24
       }
     ]
   }

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=error404bbs.ddns.net port=24
   INFO client_base.py:174 Connected to <Peer 38.179.43.245 24>
   DEBUG stream_writer.py:706 recv IAC DO b'\xf6'
   DEBUG stream_writer.py:1767 handle_do(AYT)
   DEBUG stream_writer.py:1845 DO AYT not supported.
   DEBUG stream_writer.py:3167 local_option[AYT] = False
   DEBUG stream_writer.py:947 send IAC WONT AYT
   DEBUG stream_writer.py:706 recv IAC WILL BINARY
   DEBUG stream_writer.py:722 WILL BINARY unsolicited
   DEBUG stream_writer.py:1897 handle_will(BINARY)
   DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = True
   DEBUG stream_writer.py:947 send IAC DO BINARY
   DEBUG stream_writer.py:3167 remote_option[BINARY] = True
   DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = False
   DEBUG stream_writer.py:706 recv IAC DO BINARY
   DEBUG stream_writer.py:1767 handle_do(BINARY)
   DEBUG stream_writer.py:3167 pending_option[WILL + BINARY] = True
   DEBUG stream_writer.py:947 send IAC WILL BINARY
   DEBUG stream_writer.py:3167 local_option[BINARY] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + BINARY] = False
   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 stream_writer.py:706 recv IAC WILL SGA
   DEBUG stream_writer.py:722 WILL SGA unsolicited
   DEBUG stream_writer.py:1897 handle_will(SGA)
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = True
   DEBUG stream_writer.py:947 send IAC DO SGA
   DEBUG stream_writer.py:3167 remote_option[SGA] = True
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = False
   DEBUG stream_writer.py:706 recv IAC WONT STATUS
   DEBUG stream_writer.py:2022 handle_wont(STATUS)
   DEBUG stream_writer.py:3167 remote_option[STATUS] = False
   DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = False
   DEBUG stream_writer.py:706 recv IAC DONT TTYPE
   DEBUG stream_writer.py:1860 handle_dont(TTYPE)
   DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = False
   DEBUG stream_writer.py:3167 local_option[TTYPE] = False
   DEBUG stream_writer.py:706 recv IAC DONT NAWS
   DEBUG stream_writer.py:1860 handle_dont(NAWS)
   DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = False
   DEBUG stream_writer.py:3167 local_option[NAWS] = False
   DEBUG stream_writer.py:706 recv IAC DONT TSPEED
   DEBUG stream_writer.py:1860 handle_dont(TSPEED)
   DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = False
   DEBUG stream_writer.py:3167 local_option[TSPEED] = False
   DEBUG stream_writer.py:706 recv IAC DONT LFLOW
   DEBUG stream_writer.py:1860 handle_dont(LFLOW)
   DEBUG stream_writer.py:3167 pending_option[WILL + LFLOW] = False
   DEBUG stream_writer.py:3167 local_option[LFLOW] = False
   DEBUG stream_writer.py:706 recv IAC DONT LINEMODE
   DEBUG stream_writer.py:1860 handle_dont(LINEMODE)
   DEBUG stream_writer.py:3167 pending_option[WILL + LINEMODE] = False
   DEBUG stream_writer.py:3167 local_option[LINEMODE] = False
   DEBUG stream_writer.py:706 recv IAC WONT NEW_ENVIRON
   DEBUG stream_writer.py:2022 handle_wont(NEW_ENVIRON)
   DEBUG stream_writer.py:3167 remote_option[NEW_ENVIRON] = False
   DEBUG stream_writer.py:3167 pending_option[DO + NEW_ENVIRON] = False
   DEBUG stream_writer.py:706 recv IAC DONT NEW_ENVIRON
   DEBUG stream_writer.py:1860 handle_dont(NEW_ENVIRON)
   DEBUG stream_writer.py:3167 pending_option[WILL + NEW_ENVIRON] = False
   DEBUG stream_writer.py:3167 local_option[NEW_ENVIRON] = False
   DEBUG stream_writer.py:706 recv IAC WONT b'$'
   DEBUG stream_writer.py:2022 handle_wont(b'$')
   DEBUG stream_writer.py:3167 remote_option[b'$'] = False
   DEBUG stream_writer.py:3167 pending_option[DO + b'$'] = False
   DEBUG stream_writer.py:706 recv IAC DONT b'$'
   DEBUG stream_writer.py:1860 handle_dont(b'$')
   DEBUG stream_writer.py:3167 pending_option[WILL + b'$'] = False
   DEBUG stream_writer.py:3167 local_option[b'$'] = False
   DEBUG client_base.py:460 negotiation complete after 2.00s.
   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 270f5f632ae16ede
   INFO client_base.py:105 Connection closed to <Peer 38.179.43.245 24>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug error404bbs.ddns.net 24

error404bbs.ddns.net:404
------------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for error404bbs.ddns.net:404">Mystic BBS Version 1.12 A48
   Copyright (C) 1997-2023 By James Coyle
   
   Detecting terminal emulation:                       
   ASCII detected.
   
   (0) Ascii (No Color)
   (1) Ansi  (Color)
   
   Graphics Mode -&gt;</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://error404bbs.ddns.net:404" class="telnet-link">error404bbs.ddns.net:404</a>
   <button class="copy-btn" data-host="error404bbs.ddns.net" data-port="404" title="Copy host and port" aria-label="Copy error404bbs.ddns.net port 404 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

BBS Software
~~~~~~~~~~~~

**Detected**: Mystic BBS

Encoding
~~~~~~~~

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

Telnet Fingerprint
~~~~~~~~~~~~~~~~~~

:ref:`153adc9572daa923... <fp_153adc9572daa923>`

*This fingerprint is shared by 135 other servers.*

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

**Options requested from client**: ``BINARY``, ``TTYPE``

**Data source**: `153adc9572daa923/fb9deb4be3e5c092.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/153adc9572daa923/fb9deb4be3e5c092.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "153adc9572daa923",
       "fingerprint-data": {
         "offered-options": [
           "ECHO",
           "SGA"
         ],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "BINARY",
           "CHARSET",
           "COM_PORT",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "STATUS",
           "ZMP"
         ],
         "requested-options": [
           "BINARY",
           "TTYPE"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "",
         "banner_before_return": "\u001b[?1000h\fMystic BBS Version 1.12 A48\r\nCopyright (C) 1997-2023 By James Coyle\r\n\r\nDetecting terminal emulation: \u001b[s\u001b[255B\u001b[255C\u001b[6n\u001b[u\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \bASCII detected.\r\n\r\n(0) Ascii (No Color)\r\n(1) Ansi  (Color)\r\n\r\nGraphics Mode -> ",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true,
             "SGA": true
           },
           "server_requested": {
             "BINARY": true,
             "SNDLOC": false,
             "TTYPE": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5064740180969238,
           "total": 6.14009690284729
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:29:38.083609+00:00",
         "host": "error404bbs.ddns.net",
         "ip": "38.179.43.245",
         "port": 404
       }
     ]
   }

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=error404bbs.ddns.net port=404
   INFO client_base.py:174 Connected to <Peer 38.179.43.245 404>
   DEBUG stream_writer.py:706 recv IAC DO SNDLOC
   DEBUG stream_writer.py:1767 handle_do(SNDLOC)
   DEBUG stream_writer.py:1845 DO SNDLOC not supported.
   DEBUG stream_writer.py:3167 local_option[SNDLOC] = False
   DEBUG stream_writer.py:947 send IAC WONT SNDLOC
   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 stream_writer.py:706 recv IAC WILL SGA
   DEBUG stream_writer.py:722 WILL SGA unsolicited
   DEBUG stream_writer.py:1897 handle_will(SGA)
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = True
   DEBUG stream_writer.py:947 send IAC DO SGA
   DEBUG stream_writer.py:3167 remote_option[SGA] = True
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = False
   DEBUG stream_writer.py:706 recv IAC DO BINARY
   DEBUG stream_writer.py:1767 handle_do(BINARY)
   DEBUG stream_writer.py:3167 pending_option[WILL + BINARY] = True
   DEBUG stream_writer.py:947 send IAC WILL BINARY
   DEBUG stream_writer.py:3167 local_option[BINARY] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + BINARY] = False
   DEBUG stream_writer.py:706 recv IAC DO TTYPE
   DEBUG stream_writer.py:1767 handle_do(TTYPE)
   DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = True
   DEBUG stream_writer.py:947 send IAC WILL TTYPE
   DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = True
   DEBUG stream_writer.py:3167 local_option[TTYPE] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = False
   DEBUG stream_writer.py:698 begin sub-negotiation SB TTYPE
   DEBUG stream_writer.py:685 sub-negotiation cmd TTYPE SE completion byte
   DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = False
   DEBUG stream_writer.py:2234 recv TTYPE SEND: b''
   DEBUG stream_writer.py:2247 send IAC SB TTYPE IS b'xterm-256color' IAC SE
   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 + 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
   DEBUG stream_writer.py:706 recv IAC WONT STATUS
   DEBUG stream_writer.py:2022 handle_wont(STATUS)
   DEBUG stream_writer.py:3167 remote_option[STATUS] = False
   DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = False
   DEBUG stream_writer.py:706 recv IAC WONT CHARSET
   DEBUG stream_writer.py:2022 handle_wont(CHARSET)
   DEBUG stream_writer.py:3167 remote_option[CHARSET] = False
   DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = False
   DEBUG stream_writer.py:706 recv IAC WONT EOR
   DEBUG stream_writer.py:2022 handle_wont(EOR)
   DEBUG stream_writer.py:3167 remote_option[EOR] = False
   DEBUG stream_writer.py:3167 pending_option[DO + EOR] = False
   DEBUG stream_writer.py:706 recv IAC WONT COM_PORT_OPTION
   DEBUG stream_writer.py:2022 handle_wont(COM_PORT_OPTION)
   DEBUG stream_writer.py:3167 remote_option[COM_PORT_OPTION] = False
   DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = False
   DEBUG stream_writer.py:706 recv IAC WONT GMCP
   DEBUG stream_writer.py:2022 handle_wont(GMCP)
   DEBUG stream_writer.py:3167 remote_option[GMCP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = False
   DEBUG stream_writer.py:706 recv IAC WONT MSDP
   DEBUG stream_writer.py:2022 handle_wont(MSDP)
   DEBUG stream_writer.py:3167 remote_option[MSDP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = False
   DEBUG stream_writer.py:706 recv IAC WONT MSSP
   DEBUG stream_writer.py:2022 handle_wont(MSSP)
   DEBUG stream_writer.py:3167 remote_option[MSSP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = False
   DEBUG stream_writer.py:706 recv IAC WONT MSP
   DEBUG stream_writer.py:2022 handle_wont(MSP)
   DEBUG stream_writer.py:3167 remote_option[MSP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + MSP] = False
   DEBUG stream_writer.py:706 recv IAC WONT MXP
   DEBUG stream_writer.py:2022 handle_wont(MXP)
   DEBUG stream_writer.py:3167 remote_option[MXP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + MXP] = False
   DEBUG stream_writer.py:706 recv IAC WONT ZMP
   DEBUG stream_writer.py:2022 handle_wont(ZMP)
   DEBUG stream_writer.py:3167 remote_option[ZMP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = False
   DEBUG stream_writer.py:706 recv IAC WONT AARDWOLF
   DEBUG stream_writer.py:2022 handle_wont(AARDWOLF)
   DEBUG stream_writer.py:3167 remote_option[AARDWOLF] = False
   DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = False
   DEBUG stream_writer.py:706 recv IAC WONT ATCP
   DEBUG stream_writer.py:2022 handle_wont(ATCP)
   DEBUG stream_writer.py:3167 remote_option[ATCP] = False
   DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = False
   INFO fingerprinting.py:746 connection for server fingerprint 153adc9572daa923
   INFO client_base.py:105 Connection closed to <Peer 38.179.43.245 404>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug error404bbs.ddns.net 404

error404bbs.ddns.net:513
------------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for error404bbs.ddns.net:513">Mystic BBS Version 1.12 A47
   Copyright (C) 1997-2021 By James Coyle
   
   Detecting terminal emulation: 
   ASCII detected.
   
   Make your own Account Or
   Type "File Server" in this field:&gt;</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://error404bbs.ddns.net:513" class="telnet-link">error404bbs.ddns.net:513</a>
   <button class="copy-btn" data-host="error404bbs.ddns.net" data-port="513" title="Copy host and port" aria-label="Copy error404bbs.ddns.net port 513 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

BBS Software
~~~~~~~~~~~~

**Detected**: Mystic BBS

Encoding
~~~~~~~~

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

Telnet Fingerprint
~~~~~~~~~~~~~~~~~~

:ref:`a8a260cc4662430c... <fp_a8a260cc4662430c>`

*This fingerprint is shared by 169 other servers.*

**Data source**: `a8a260cc4662430c/296b8d86e738b7cb.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/a8a260cc4662430c/296b8d86e738b7cb.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "a8a260cc4662430c",
       "fingerprint-data": {
         "offered-options": [],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "BINARY",
           "CHARSET",
           "COM_PORT",
           "ECHO",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "SGA",
           "STATUS",
           "ZMP"
         ],
         "requested-options": [],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "ASCII detected.\r\n\f\r\nMake your own Account Or\r\nType \"File Server\" in this field:> ",
         "banner_before_return": "\u001b[?1000h\fMystic BBS Version 1.12 A47\r\nCopyright (C) 1997-2021 By James Coyle\r\n\r\nDetecting terminal emulation: \u001b[s\u001b[255B\u001b[255C\u001b[6n\u001b[u",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5065233707427979,
           "total": 6.900542974472046
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:30:50.026406+00:00",
         "host": "error404bbs.ddns.net",
         "ip": "38.179.43.245",
         "port": 513
       }
     ]
   }

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=error404bbs.ddns.net port=513
   INFO client_base.py:174 Connected to <Peer 38.179.43.245 513>
   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 + ECHO] = True
   DEBUG stream_writer.py:947 send IAC DO ECHO
   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 a8a260cc4662430c
   INFO client_base.py:105 Connection closed to <Peer 38.179.43.245 513>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug error404bbs.ddns.net 513