204.10.255.79 (tlcbbs.synchro.net)
==================================

204.10.255.79:6023
------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for 204.10.255.79:6023">      
      ANSI not detected</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://204.10.255.79:6023" class="telnet-link">204.10.255.79:6023</a>
   <button class="copy-btn" data-host="204.10.255.79" data-port="6023" title="Copy host and port" aria-label="Copy 204.10.255.79 port 6023 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
~~~~~~~~

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

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

:ref:`d4f3adfd6a3bbb9d... <fp_d4f3adfd6a3bbb9d>`

*This fingerprint is shared by 7 other servers.*

**Options requested from client**: ``SGA``

**Data source**: `d4f3adfd6a3bbb9d/6c15b947c60023bc.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/d4f3adfd6a3bbb9d/6c15b947c60023bc.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "d4f3adfd6a3bbb9d",
       "fingerprint-data": {
         "offered-options": [],
         "probed-protocol": "server",
         "refused-options": [],
         "requested-options": [
           "SGA"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "",
         "banner_before_return": "\b\b\b\b\b\b      \b\b\b\b\b\b\r\n\u001b[6n\b\b\b   \b\b\bANSI not detected",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "BINARY": true,
             "ECHO": true,
             "SGA": true
           },
           "server_requested": {
             "SGA": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.0,
           "total": 0.5028276443481445
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:29:21.470071+00:00",
         "host": "204.10.255.79",
         "ip": "204.10.255.79",
         "port": 6023
       }
     ]
   }

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=204.10.255.79 port=6023
   INFO client_base.py:174 Connected to <Peer 204.10.255.79 6023>
   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 SGA
   DEBUG stream_writer.py:1767 handle_do(SGA)
   DEBUG stream_writer.py:3167 pending_option[WILL + SGA] = True
   DEBUG stream_writer.py:947 send IAC WILL SGA
   DEBUG stream_writer.py:3167 local_option[SGA] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + SGA] = False
   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 client_base.py:88 EOF from server, closing.
   INFO client_base.py:105 Connection closed to <Peer 204.10.255.79 6023>
   INFO fingerprinting.py:746 connection for server fingerprint d4f3adfd6a3bbb9d

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug 204.10.255.79 6023

tlcbbs.synchro.net:23
---------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for tlcbbs.synchro.net:23">
   Synchronet BBS for Linux  Version 3.20
   Telnet connection from: 64.227.40.173
   Resolving hostname...
   
   _[!_
   _
   
         Synchronet BBS for Linux  Version 3.20  Copyright 2022 Rob Swindell
                           ############################                
         *  *  *  *  *  *  ############################################
           *  *  *  *  *   ############################################
         *  *  *  *  *  * #                                            
           *  *  *  *  *   ############################################
         *  *  *  *  *  *  ############################################
           *  *  *  *  *                                               
         *  *  *  *  *  *  ############################################
           *  *  *  *  *   ############################################
         *  *  *  *  *  *                                              
       ################################################################
       ################################################################
       ################################################                
       ################################################################
       ################################################################
                                                                       
       ################################################################
       ################################################################
                                                                       
       ################################################################
       ....Then conquer we must, when our cause it is just and this be our
       motto "In God is our Trust", and the Star Spangled Banner in triumph
       shall wave..o'er the land of the free and the home of the brave!
   [Hit a key]
               
                 Preparing the BBS for your visit, stand by...
   
   CLIENT CONN: Telnet
          ADDR: &lt;no name&gt; [64.227.40.173]
          TERM: 80x25 US-ASCII / DUMB
   SERVER NAME: The Lost Chord BBS
          ADDR: tlcbbs.synchro.net
          NODE: 1 (of 4) - Debian GNU/Linux 11 (bullseye) x86_64
          TIME: Mon Feb 09 2026 12:26 pm MST
          ADMN: Weatherman
   
   If you are a new user to the system, type "New" now.
   Otherwise, enter your user name or number now.
   
   NN: 
   Enter User Name or 'New' or 'Guest'
   Login:</pre>

.. raw:: html

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

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

**Detected**: Synchronet

Encoding
~~~~~~~~

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

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

:ref:`d06e080c36c73c6a... <fp_d06e080c36c73c6a>`

*This fingerprint is shared by 232 other servers.*

**Options offered by server**: ``AARDWOLF``, ``ATCP``, ``BINARY``, ``CHARSET``, ``COM_PORT``, ``ECHO``, ``EOR``, ``GMCP``, ``MSDP``, ``MSP``, ``MSSP``, ``MXP``, ``SGA``, ``STATUS``, ``ZMP``

**Options requested from client**: ``NAWS``, ``NEW_ENVIRON``, ``TSPEED``, ``TTYPE``

**Data source**: `d06e080c36c73c6a/5f3b356e0491dcce.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/d06e080c36c73c6a/5f3b356e0491dcce.json>`_

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

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "d06e080c36c73c6a",
       "fingerprint-data": {
         "offered-options": [
           "AARDWOLF",
           "ATCP",
           "BINARY",
           "CHARSET",
           "COM_PORT",
           "ECHO",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "SGA",
           "STATUS",
           "ZMP"
         ],
         "probed-protocol": "server",
         "refused-options": [],
         "requested-options": [
           "NAWS",
           "NEW_ENVIRON",
           "TSPEED",
           "TTYPE"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\r\n              Preparing the BBS for your visit, stand by...\r\n\r\nCLIENT CONN: Telnet\r\n       ADDR: <no name> [64.227.40.173]\r\n       TERM: 80x25 US-ASCII / DUMB\r\nSERVER NAME: The Lost Chord BBS\r\n       ADDR: tlcbbs.synchro.net\r\n       NODE: 1 (of 4) - Debian GNU/Linux 11 (bullseye) x86_64\r\n       TIME: Mon Feb 09 2026 12:26 pm MST\r\n       ADMN: Weatherman\r\n\r\nIf you are a new user to the system, type \"New\" now.\r\nOtherwise, enter your user name or number now.\r\n\r\nNN: \rEnter User Name or 'New' or 'Guest'\r\nLogin: ",
         "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.20\r\nTelnet connection from: 64.227.40.173\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\b_\u001b[6n\u001b[u\u001b[!_\r\ufffd\ufffd\ufffd\u001b[6n\u001b[0m_\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Linux  Version 3.20  Copyright 2022 Rob Swindell\r\n                        ############################                \r\n      *  *  *  *  *  *  ############################################\r\n        *  *  *  *  *   ############################################\r\n      *  *  *  *  *  * #                                            \r\n        *  *  *  *  *   ############################################\r\n      *  *  *  *  *  *  ############################################\r\n        *  *  *  *  *                                               \r\n      *  *  *  *  *  *  ############################################\r\n        *  *  *  *  *   ############################################\r\n      *  *  *  *  *  *                                              \r\n    ################################################################\r\n    ################################################################\r\n    ################################################                \r\n    ################################################################\r\n    ################################################################\r\n                                                                    \r\n    ################################################################\r\n    ################################################################\r\n                                                                    \r\n    ################################################################\r\n    ....Then conquer we must, when our cause it is just and this be our\r\n    motto \"In God is our Trust\", and the Star Spangled Banner in triumph\r\n    shall wave..o'er the land of the free and the home of the brave!\r\n[Hit a key] ",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true,
             "SGA": true
           },
           "server_requested": {
             "NAWS": true,
             "NEW_ENVIRON": true,
             "SNDLOC": false,
             "TSPEED": true,
             "TTYPE": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.2560465335845947,
           "total": 5.927645683288574
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:26:15.393012+00:00",
         "host": "tlcbbs.synchro.net",
         "ip": "204.10.255.79",
         "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=tlcbbs.synchro.net port=23
   INFO client_base.py:174 Connected to <Peer 204.10.255.79 23>
   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 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: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 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 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 DO NEW_ENVIRON
   DEBUG stream_writer.py:1767 handle_do(NEW_ENVIRON)
   DEBUG stream_writer.py:3167 pending_option[WILL + NEW_ENVIRON] = True
   DEBUG stream_writer.py:947 send IAC WILL NEW_ENVIRON
   DEBUG stream_writer.py:3167 pending_option[SB + NEW_ENVIRON] = True
   DEBUG stream_writer.py:3167 local_option[NEW_ENVIRON] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + NEW_ENVIRON] = False
   DEBUG stream_writer.py:706 recv IAC DONT SNDLOC
   DEBUG stream_writer.py:1860 handle_dont(SNDLOC)
   DEBUG stream_writer.py:3167 pending_option[WILL + SNDLOC] = 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 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 NEW_ENVIRON'
   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 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 WILL STATUS
   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:3167 pending_option[DO + STATUS] = False
   DEBUG stream_writer.py:706 recv IAC WILL CHARSET
   DEBUG stream_writer.py:1897 handle_will(CHARSET)
   DEBUG stream_writer.py:921 skip DO CHARSET; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[CHARSET] = True
   DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = False
   DEBUG stream_writer.py:706 recv IAC WILL EOR
   DEBUG stream_writer.py:1897 handle_will(EOR)
   DEBUG stream_writer.py:921 skip DO EOR; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[EOR] = True
   DEBUG stream_writer.py:3167 pending_option[DO + EOR] = False
   DEBUG stream_writer.py:706 recv IAC WILL COM_PORT_OPTION
   DEBUG stream_writer.py:1897 handle_will(COM_PORT_OPTION)
   DEBUG stream_writer.py:921 skip DO COM_PORT_OPTION; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[COM_PORT_OPTION] = True
   DEBUG stream_writer.py:1061 send IAC SB COM-PORT-OPTION SIGNATURE IAC SE
   DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = False
   DEBUG stream_writer.py:706 recv IAC WILL GMCP
   DEBUG stream_writer.py:1897 handle_will(GMCP)
   DEBUG stream_writer.py:921 skip DO GMCP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[GMCP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = False
   DEBUG stream_writer.py:706 recv IAC WILL MSDP
   DEBUG stream_writer.py:1897 handle_will(MSDP)
   DEBUG stream_writer.py:921 skip DO MSDP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[MSDP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = False
   DEBUG stream_writer.py:706 recv IAC WILL MSSP
   DEBUG stream_writer.py:1897 handle_will(MSSP)
   DEBUG stream_writer.py:921 skip DO MSSP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[MSSP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = False
   DEBUG stream_writer.py:706 recv IAC WILL MSP
   DEBUG stream_writer.py:1897 handle_will(MSP)
   DEBUG stream_writer.py:921 skip DO MSP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[MSP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + MSP] = False
   DEBUG stream_writer.py:706 recv IAC WILL MXP
   DEBUG stream_writer.py:1897 handle_will(MXP)
   DEBUG stream_writer.py:921 skip DO MXP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[MXP] = True
   DEBUG stream_writer.py:3167 pending_option[SB + MXP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + MXP] = False
   DEBUG stream_writer.py:706 recv IAC WILL ZMP
   DEBUG stream_writer.py:1897 handle_will(ZMP)
   DEBUG stream_writer.py:921 skip DO ZMP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[ZMP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = False
   DEBUG stream_writer.py:706 recv IAC WILL AARDWOLF
   DEBUG stream_writer.py:1897 handle_will(AARDWOLF)
   DEBUG stream_writer.py:921 skip DO AARDWOLF; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[AARDWOLF] = True
   DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = False
   DEBUG stream_writer.py:706 recv IAC WILL ATCP
   DEBUG stream_writer.py:1897 handle_will(ATCP)
   DEBUG stream_writer.py:921 skip DO ATCP; pending_option = True
   DEBUG stream_writer.py:3167 remote_option[ATCP] = True
   DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = False
   INFO fingerprinting.py:746 connection for server fingerprint d06e080c36c73c6a
   INFO client_base.py:105 Connection closed to <Peer 204.10.255.79 23>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug tlcbbs.synchro.net 23

tlcbbs.synchro.net:6400
-----------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for tlcbbs.synchro.net:6400">tcpser: Making connection to the The Lost Chord BBS
   tcpser: please wait while I wake the computer...
   CONNECTED: MON FEB  9, 2026 12:30 PM
   
   C-NET 64 DEVELOPERS SYSTEM-2
   VERSION 2.6</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://tlcbbs.synchro.net:6400" class="telnet-link">tlcbbs.synchro.net:6400</a>
   <button class="copy-btn" data-host="tlcbbs.synchro.net" data-port="6400" title="Copy host and port" aria-label="Copy tlcbbs.synchro.net 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/41d683207c96a225.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/a8a260cc4662430c/41d683207c96a225.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": "\r\n\r\n\r\n\r\nCONNECTED: MON FEB  9, 2026 12:30 PM\r\n\r\nC-NET 64 DEVELOPERS SYSTEM-2\r\nVERSION 2.6\r\n",
         "banner_before_return": "tcpser: Making connection to the The Lost Chord BBS\r\ntcpser: please wait while I wake the computer...\r\n\n\f\r\n\r\n",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5062000751495361,
           "total": 6.126057863235474
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:31:06.626505+00:00",
         "host": "tlcbbs.synchro.net",
         "ip": "204.10.255.79",
         "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=tlcbbs.synchro.net port=6400
   INFO client_base.py:174 Connected to <Peer 204.10.255.79 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 204.10.255.79 6400>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug tlcbbs.synchro.net 6400