97.85.169.85 (guardian.synchro.net)
===================================

guardian.synchro.net:23
-----------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for guardian.synchro.net:23">
   Synchronet BBS for Linux  Version 3.21
   Telnet connection from: 64.227.40.173
   Resolving hostname...
   _[!_
   _
   
         Synchronet BBS for Linux  Version 3.21  Copyright 2025 Rob Swindell</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://guardian.synchro.net" class="telnet-link">guardian.synchro.net:23</a>
   <button class="copy-btn" data-host="guardian.synchro.net" data-port="23" title="Copy host and port" aria-label="Copy guardian.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/f34119fb49309e7b.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/d06e080c36c73c6a/f34119fb49309e7b.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": "\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 3.21  Copyright 2025 Rob Swindell\r\n",
         "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.21\r\nTelnet connection from: 64.227.40.173\r\nResolving hostname...",
         "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": 0.25476574897766113,
           "total": 5.870826959609985
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:26:03.468019+00:00",
         "host": "guardian.synchro.net",
         "ip": "97.85.169.85",
         "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=guardian.synchro.net port=23
   INFO client_base.py:174 Connected to <Peer 97.85.169.85 23>
   DEBUG client_base.py:460 negotiation complete after 2.00s.
   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 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 97.85.169.85 23>

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

.. code-block:: shell

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

guardian.synchro.net:513
------------------------

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for guardian.synchro.net:513">
   Synchronet BBS for Linux  Version 3.21
   RLogin connection from: 64.227.40.173
   Resolving hostname...
   _[!_
   _
   
         Synchronet BBS for Linux  Version 3.21  Copyright 2025 Rob Swindell</pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://guardian.synchro.net:513" class="telnet-link">guardian.synchro.net:513</a>
   <button class="copy-btn" data-host="guardian.synchro.net" data-port="513" title="Copy host and port" aria-label="Copy guardian.synchro.net port 513 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:`a8a260cc4662430c... <fp_a8a260cc4662430c>`

*This fingerprint is shared by 169 other servers.*

**Data source**: `a8a260cc4662430c/3bbd8f7357d0a95b.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/a8a260cc4662430c/3bbd8f7357d0a95b.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\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 3.21  Copyright 2025 Rob Swindell\r\n",
         "banner_before_return": "\u0000\r\nSynchronet BBS for Linux  Version 3.21\r\nRLogin connection from: 64.227.40.173\r\nResolving hostname...",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {},
           "server_requested": {}
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5036578178405762,
           "total": 5.800988674163818
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:26:36.457929+00:00",
         "host": "guardian.synchro.net",
         "ip": "97.85.169.85",
         "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=guardian.synchro.net port=513
   INFO client_base.py:174 Connected to <Peer 97.85.169.85 513>
   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 97.85.169.85 513>

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug guardian.synchro.net 513