73.42.12.93:23
==============
**Connection Banner:**
.. raw:: html
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
.. raw:: html
73.42.12.93:23
⎘
BBS Software
------------
**Detected**: Synchronet
Encoding
--------
- **Effective encoding**: cp437
- **Scanner detected**: ascii
Telnet Fingerprint
------------------
:ref:`620aa4142caf19ba... `
*This fingerprint is shared by 3 other servers.*
**Options offered by server**: ``ECHO``, ``SGA``
**Options requested from client**: ``NAWS``, ``NEW_ENVIRON``, ``TSPEED``, ``TTYPE``
**Data source**: `620aa4142caf19ba/74b9e16919f14bdc.json `_
The complete JSON record collected during the scan,
including Telnet negotiation results and banner data.
.. code-block:: json
{
"server-probe": {
"fingerprint": "620aa4142caf19ba",
"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": [
"NAWS",
"NEW_ENVIRON",
"TSPEED",
"TTYPE"
],
"scan-type": "quick"
},
"session_data": {
"banner_after_return": "",
"banner_before_return": "\r\nSynchronet BBS for Linux Version 3.21\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 3.21 Copyright 2025 Rob Swindell\r\n",
"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": 0.5055921077728271,
"total": 5.166592121124268
}
}
},
"sessions": [
{
"connected": "2026-02-09T19:34:08.623915+00:00",
"host": "73.42.12.93",
"ip": "73.42.12.93",
"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=73.42.12.93 port=23
INFO client_base.py:174 Connected to
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
INFO fingerprinting.py:746 connection for server fingerprint 620aa4142caf19ba
INFO client_base.py:105 Connection closed to
*Generated by* `telnetlib3-fingerprint `_
.. code-block:: shell
telnetlib3-fingerprint --loglevel=debug 73.42.12.93 23