bitwoods.duckdns.org:23
Connection Banner:
Server URLs
Server Location: 🇫🇮 Finland (GeoIP)
Listing
BBS Name: Bitwoods RBBS-PC (from listing)
Sysop: Aaro Koskinen
Listed Location: Helsinki, , Finland
BBS Software
Reported: RBBS
Encoding
Effective encoding: ascii
Scanner detected: cp437
Telnet Fingerprint
This fingerprint is unique to this server.
Options offered by server: BINARY, ECHO
Options requested from client: BINARY, LINEMODE
The complete JSON record collected during the scan, including Telnet negotiation results and banner data.
Show JSON
{
"server-probe": {
"fingerprint": "73a0e4566f4233bd",
"fingerprint-data": {
"offered-options": [
"BINARY",
"ECHO"
],
"probed-protocol": "server",
"refused-options": [
"AARDWOLF",
"ATCP",
"CHARSET",
"COM_PORT",
"EOR",
"GMCP",
"MCCP2",
"MCCP3",
"MSDP",
"MSP",
"MSSP",
"MXP",
"SGA",
"STATUS",
"ZMP"
],
"requested-options": [
"BINARY",
"LINEMODE"
],
"scan-type": "quick"
},
"session_data": {
"banner_after_return": "\r\n\r\nWhat is your FIRST name? ",
"banner_before_return": "SteppingStone v0.04 - aarch64\r\n\u001b[6n\rPress <Escape> to enter BBS.\r\nStarting up the 8086 machine...\r\nLoading the BBS...\r\n\r\nWelcome to BITWOODS RBBS-PC...\r\n\r\n The end of all our exploring\r\n Will be to arrive where we started\r\n And know the place for the first time.\r\n -- T.S. ELIOT\r\n\r\nWhat is your FIRST name? ",
"dsr_replies": 1,
"dsr_requests": 1,
"encoding": "cp437",
"option_states": {
"server_offered": {
"BINARY": true,
"ECHO": true
},
"server_requested": {
"BINARY": true,
"LINEMODE": true
}
},
"scan_type": "quick",
"timing": {
"probe": 0.5049295425415039,
"total": 11.209814310073853
}
}
},
"sessions": [
{
"connected": "2026-03-07T04:21:21.488959+00:00",
"host": "bitwoods.duckdns.org",
"ip": "81.197.224.234",
"port": 23
}
]
}
Connection Log
Debug-level log of the Telnet negotiation session, showing each IAC (Interpret As Command) exchange between client and server.
Generated by telnetlib3-fingerprint
telnetlib3-fingerprint --loglevel=debug bitwoods.duckdns.org 23
Show Logfile
DEBUG client.py:1193 Fingerprint client: host=bitwoods.duckdns.org port=23
INFO client_base.py:186 Connected to <Peer 81.197.224.234 23>
DEBUG stream_writer.py:3330 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:1019 send IAC WILL MXP
DEBUG stream_writer.py:3330 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:1019 send IAC WILL ATCP
DEBUG stream_writer.py:3330 pending_option[WILL + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1019 send IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:3330 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:1019 send IAC WILL GMCP
DEBUG stream_writer.py:3330 pending_option[WILL + AARDWOLF] = True
DEBUG stream_writer.py:1019 send IAC WILL AARDWOLF
DEBUG stream_writer.py:3330 pending_option[WILL + MSP] = True
DEBUG stream_writer.py:1019 send IAC WILL MSP
DEBUG stream_writer.py:3330 pending_option[WILL + MSDP] = True
DEBUG stream_writer.py:1019 send IAC WILL MSDP
DEBUG stream_writer.py:3330 pending_option[WILL + MSSP] = True
DEBUG stream_writer.py:1019 send IAC WILL MSSP
DEBUG stream_writer.py:3330 pending_option[WILL + ZMP] = True
DEBUG stream_writer.py:1019 send IAC WILL ZMP
DEBUG stream_writer.py:3330 pending_option[WILL + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1019 send IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:3330 pending_option[DO + MXP] = True
DEBUG stream_writer.py:1019 send IAC DO MXP
DEBUG stream_writer.py:3330 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:1019 send IAC DO ATCP
DEBUG stream_writer.py:3330 pending_option[DO + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1019 send IAC DO MCCP3_COMPRESS
DEBUG stream_writer.py:3330 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1019 send IAC DO GMCP
DEBUG stream_writer.py:3330 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:1019 send IAC DO AARDWOLF
DEBUG stream_writer.py:3330 pending_option[DO + MSP] = True
DEBUG stream_writer.py:1019 send IAC DO MSP
DEBUG stream_writer.py:3330 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1019 send IAC DO MSDP
DEBUG stream_writer.py:3330 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:1019 send IAC DO MSSP
DEBUG stream_writer.py:3330 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:1019 send IAC DO ZMP
DEBUG stream_writer.py:3330 pending_option[DO + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1019 send IAC DO MCCP2_COMPRESS
DEBUG stream_writer.py:768 recv IAC DO LINEMODE
DEBUG stream_writer.py:1836 handle_do(LINEMODE)
DEBUG stream_writer.py:3330 pending_option[WILL + LINEMODE] = True
DEBUG stream_writer.py:1019 send IAC WILL LINEMODE
DEBUG stream_writer.py:3330 pending_option[SB + LINEMODE] = True
DEBUG stream_writer.py:3330 local_option[LINEMODE] = True
DEBUG stream_writer.py:2762 slc_start: IAC SB LINEMODE SLC [..]
DEBUG stream_writer.py:2798 _slc_add (b'\x00', (^@, default))
DEBUG stream_writer.py:2751 send (slc_end): b'\x00\x03\x00'
DEBUG stream_writer.py:2757 slc_end: [..] IAC SE
DEBUG stream_writer.py:3330 pending_option[WILL + LINEMODE] = False
DEBUG stream_writer.py:768 recv IAC DO BINARY
DEBUG stream_writer.py:1836 handle_do(BINARY)
DEBUG stream_writer.py:3330 pending_option[WILL + BINARY] = True
DEBUG stream_writer.py:1019 send IAC WILL BINARY
DEBUG stream_writer.py:3330 local_option[BINARY] = True
DEBUG stream_writer.py:3330 pending_option[WILL + BINARY] = False
DEBUG stream_writer.py:768 recv IAC WILL BINARY
DEBUG stream_writer.py:784 WILL BINARY unsolicited
DEBUG stream_writer.py:1994 handle_will(BINARY)
DEBUG stream_writer.py:3330 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:1019 send IAC DO BINARY
DEBUG stream_writer.py:3330 remote_option[BINARY] = True
DEBUG stream_writer.py:3330 pending_option[DO + BINARY] = False
DEBUG stream_writer.py:768 recv IAC WILL ECHO
DEBUG stream_writer.py:784 WILL ECHO unsolicited
DEBUG stream_writer.py:1994 handle_will(ECHO)
DEBUG stream_writer.py:3330 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:1019 send IAC DO ECHO
DEBUG stream_writer.py:3330 remote_option[ECHO] = True
DEBUG stream_writer.py:3330 pending_option[DO + ECHO] = False
DEBUG client_base.py:499 negotiation failed after 4.00s.
DEBUG client_base.py:505 failed-reply: 'WILL MXP, WILL ATCP, WILL MCCP3_COMPRESS, WILL GMCP, WILL AARDWOLF, WILL MSP, WILL MSDP,
WILL MSSP, WILL ZMP, WILL MCCP2_COMPRESS, DO MXP, DO ATCP, DO MCCP3_COMPRESS, DO GMCP, DO AARDWOLF, DO MSP, DO MSDP, DO MSSP,
DO ZMP, DO MCCP2_COMPRESS, SB LINEMODE'
DEBUG stream_writer.py:3330 pending_option[DO + SGA] = True
DEBUG stream_writer.py:1019 send IAC DO SGA
DEBUG stream_writer.py:3330 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:1019 send IAC DO STATUS
DEBUG stream_writer.py:3330 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:1019 send IAC DO CHARSET
DEBUG stream_writer.py:3330 pending_option[DO + EOR] = True
DEBUG stream_writer.py:1019 send IAC DO EOR
DEBUG stream_writer.py:3330 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:1019 send IAC DO COM_PORT_OPTION
DEBUG stream_writer.py:993 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:993 skip DO MCCP3_COMPRESS; pending_option = True
DEBUG stream_writer.py:993 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:993 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:993 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:993 skip DO MSP; pending_option = True
DEBUG stream_writer.py:993 skip DO MXP; pending_option = True
DEBUG stream_writer.py:993 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:993 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:993 skip DO ATCP; pending_option = True
INFO fingerprinting.py:746 new server fingerprint 73a0e4566f4233bd
INFO client_base.py:118 Connection closed to <Peer 81.197.224.234 23>