186.123.101.23:23
Connection Banner:
Synchronet BBS for Linux Version 3.21
Telnet connection from: 64.227.40.173
_[!_
Synchronet BBS for Linux Version 3.21 Copyright 2026 Rob Swindell
_ _ _ _
__| | ___ ___ _ __ ___ _ _ __| | | |___ | |___ ___
/ _ | / _ \ / __|| |/ / / __|| | | | / _ | | `_ \| `_ \/ __|
| (_) || (_) || (__ | < \__ \| |_| || (_) | | (_) || (_) |\__ \
\__,_| \___/ \___||_|\_\ |___/ \___/ \__,_| |_,___/|_,___/|___/
+---------------------------------------------------------------------------+
|CLIENT >>>>CONN: Telnet |
| >>>>HOST: <no name> [64.227.40.173 ] |
|---------------------------------------------------------------------------|
|SERVER >>>>NOMBRE: Dock Sud BBS >>>>FECHA: 09/02/26 |
| >>>>HOST: bbs.docksud.com.ar >>>>HORA: 16:35:17 |
| >>>>NODO: 1 (de 10) |
+---------------------------------------------------------------------------+
>>>>ADMN: Ragnarok
|
Si sos un nuevo usuario del bbs, ingresa "New".
Si ya tenes una cuenta creada ingresa tu User-ID.
Puedes usar el usuario Guest para entrar como invitado.
Ingrese su Nombre de Usuario, 'New' o 'Guest'
Usuario:BBS Software
Detected: Synchronet
Encoding
Effective encoding: cp437
Scanner detected: ascii
Telnet Fingerprint
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/8f7b8814eaae7147.json
The complete JSON record collected during the scan, including Telnet negotiation results and banner data.
{
"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\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\u001b[30;40m\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 2026 Rob Swindell\r\n _ _ _ _\r\n __| | ___ ___ _ __ ___ _ _ __| | | |___ | |___ ___\r\n / _ | / _ \\ / __|| |/ / / __|| | | | / _ | | `_ \\| `_ \\/ __|\r\n| (_) || (_) || (__ | < \\__ \\| |_| || (_) | | (_) || (_) |\\__ \\\r\n \\__,_| \\___/ \\___||_|\\_\\ |___/ \\___/ \\__,_| |_,___/|_,___/|___/\r\n+---------------------------------------------------------------------------+\r\n|CLIENT >>>>CONN: Telnet |\r\n| >>>>HOST: <no name> [64.227.40.173 ] |\r\n|---------------------------------------------------------------------------|\r\n|SERVER >>>>NOMBRE: Dock Sud BBS >>>>FECHA: 09/02/26 |\r\n| >>>>HOST: bbs.docksud.com.ar >>>>HORA: 16:35:17 |\r\n| >>>>NODO: 1 (de 10) |\r\n+---------------------------------------------------------------------------+\r\n>>>>ADMN: Ragnarok\r\n|\r\n\r\nSi sos un nuevo usuario del bbs, ingresa \"New\".\r\nSi ya tenes una cuenta creada ingresa tu User-ID.\r\nPuedes usar el usuario Guest para entrar como invitado.\r\nIngrese su Nombre de Usuario, 'New' o 'Guest'\r\nUsuario: ",
"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": 0.5079233646392822,
"total": 6.368012189865112
}
}
},
"sessions": [
{
"connected": "2026-02-09T19:35:21.751945+00:00",
"host": "186.123.101.23",
"ip": "186.123.101.23",
"port": 23
}
]
}
Connection Log
Debug-level log of the Telnet negotiation session, showing each IAC (Interpret As Command) exchange between client and server.
DEBUG client.py:863 Fingerprint client: host=186.123.101.23 port=23
INFO client_base.py:174 Connected to <Peer 186.123.101.23 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
INFO fingerprinting.py:746 connection for server fingerprint 620aa4142caf19ba
INFO client_base.py:105 Connection closed to <Peer 186.123.101.23 23>
Generated by telnetlib3-fingerprint
telnetlib3-fingerprint --loglevel=debug 186.123.101.23 23