104.57.170.70
=============

104.57.170.70:6840
------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for 104.57.170.70:6840">
   telnetd.device:  Waiting for unit to answer.
   telnetd.device:  Connected to TCP/IP port 6840 unit 0.
   </pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://104.57.170.70:6840" class="telnet-link">104.57.170.70:6840</a>
   <button class="copy-btn" data-host="104.57.170.70" data-port="6840" title="Copy host and port" aria-label="Copy 104.57.170.70 port 6840 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
~~~~~~~~

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

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

:ref:`0e8c326f7449f30f... <fp_0e8c326f7449f30f>`

*This fingerprint is shared by 18 other servers.*

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

**Options requested from client**: ``BINARY``, ``LINEMODE``, ``NAWS``, ``TSPEED``

**Data source**: `0e8c326f7449f30f/11ac1de308b403d2.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/0e8c326f7449f30f/11ac1de308b403d2.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "0e8c326f7449f30f",
       "fingerprint-data": {
         "offered-options": [
           "BINARY",
           "ECHO",
           "SGA",
           "STATUS"
         ],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "CHARSET",
           "COM_PORT",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "ZMP"
         ],
         "requested-options": [
           "BINARY",
           "LINEMODE",
           "NAWS",
           "TSPEED"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "",
         "banner_before_return": "\r\ntelnetd.device:  Waiting for unit to answer.\r\ntelnetd.device:  Connected to TCP/IP port 6840 unit 0.\r\n\u0007\r\n",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true,
             "SGA": true,
             "STATUS": true
           },
           "server_requested": {
             "BINARY": true,
             "LINEMODE": true,
             "NAWS": true,
             "TSPEED": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.35497617721557617,
           "total": 5.512162685394287
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:35:29.679274+00:00",
         "host": "104.57.170.70",
         "ip": "104.57.170.70",
         "port": 6840
       }
     ]
   }

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=104.57.170.70 port=6840
   INFO client_base.py:174 Connected to <Peer 104.57.170.70 6840>
   DEBUG stream_writer.py:706 recv IAC DO NAWS
   DEBUG stream_writer.py:1767 handle_do(NAWS)
   DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = True
   DEBUG stream_writer.py:947 send IAC WILL NAWS
   DEBUG stream_writer.py:2339 send IAC SB NAWS (rows=25, cols=80) IAC SE
   DEBUG stream_writer.py:3167 local_option[NAWS] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = False
   DEBUG stream_writer.py:706 recv IAC WILL STATUS
   DEBUG stream_writer.py:722 WILL STATUS unsolicited
   DEBUG stream_writer.py:1897 handle_will(STATUS)
   DEBUG stream_writer.py:3167 remote_option[STATUS] = True
   DEBUG stream_writer.py:1038 send IAC SB STATUS SEND IAC SE
   DEBUG stream_writer.py:3167 pending_option[SB + STATUS] = True
   DEBUG stream_writer.py:706 recv IAC DO TSPEED
   DEBUG stream_writer.py:1767 handle_do(TSPEED)
   DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = True
   DEBUG stream_writer.py:947 send IAC WILL TSPEED
   DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = True
   DEBUG stream_writer.py:3167 local_option[TSPEED] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = False
   DEBUG stream_writer.py:706 recv IAC DO LINEMODE
   DEBUG stream_writer.py:1767 handle_do(LINEMODE)
   DEBUG stream_writer.py:3167 pending_option[WILL + LINEMODE] = True
   DEBUG stream_writer.py:947 send IAC WILL LINEMODE
   DEBUG stream_writer.py:3167 pending_option[SB + LINEMODE] = True
   DEBUG stream_writer.py:3167 local_option[LINEMODE] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + LINEMODE] = 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 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 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:698 begin sub-negotiation SB TSPEED
   DEBUG stream_writer.py:685 sub-negotiation cmd TSPEED SE completion byte
   DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = False
   DEBUG stream_writer.py:2166 recv TSPEED SEND: b''
   DEBUG stream_writer.py:2197 send: IAC SB TSPEED IS b'38400',b'38400' IAC SE
   DEBUG client_base.py:463 negotiation failed after 4.00s.
   DEBUG client_base.py:470 failed-reply: 'SB STATUS, SB LINEMODE'
   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 + 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 WILL BINARY
   DEBUG stream_writer.py:1897 handle_will(BINARY)
   DEBUG stream_writer.py:921 skip DO BINARY; pending_option = True
   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 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 0e8c326f7449f30f
   INFO client_base.py:105 Connection closed to <Peer 104.57.170.70 6840>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug 104.57.170.70 6840

bbs.catracing.org:6400
----------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for bbs.catracing.org:6400">1tcpser: establishing connection...1
   1tcpser: connecting to the system..1
   1tcpser: please wait...1
   
   
   
          IMAGE BBS 64 V3.0 (C) 2020 
   
   CONNECTION CONFIRMED:  38400
   
   
   HIT YOUR BACKSPACE/DELETE KEY 1 TIME 1:</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://bbs.catracing.org:6400" class="telnet-link">bbs.catracing.org:6400</a>
   <button class="copy-btn" data-host="bbs.catracing.org" data-port="6400" title="Copy host and port" aria-label="Copy bbs.catracing.org port 6400 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
~~~~~~~~

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

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

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

*This fingerprint is shared by 169 other servers.*

**Data source**: `a8a260cc4662430c/d087f678cdb11c31.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/a8a260cc4662430c/d087f678cdb11c31.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": "\u001b[6n\r\n\r\nHIT YOUR BACKSPACE/DELETE KEY 1 TIME 1\u0007: ",
         "banner_before_return": "1tcpser: establishing connection...1\r\n1tcpser: connecting to the system..1\r\n1tcpser: please wait...1\r\n\r\n\n\r\n       IMAGE BBS 64 V3.0 (C) 2020 \r\n\r\nCONNECTION CONFIRMED:  38400\r\n\u001b[6n\r\n\r\nHIT YOUR BACKSPACE/DELETE KEY 1 TIME 1\u0007: ",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.503821611404419,
           "total": 11.901793003082275
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:33:44.898863+00:00",
         "host": "bbs.catracing.org",
         "ip": "104.57.170.70",
         "port": 6400
       }
     ]
   }

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.catracing.org port=6400
   INFO client_base.py:174 Connected to <Peer 104.57.170.70 6400>
   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 104.57.170.70 6400>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug bbs.catracing.org 6400