krion.io:1337
Connection Banner:
Server URLs
Server Location: 🇫🇷 France (GeoIP)
Listing
BBS Name: Agon BBS (from listing)
Listed Location: Rouen, , France
BBS Software
Reported: Lightweight BBS
Encoding
Effective encoding: ascii
Scanner detected: cp437
Telnet Fingerprint
This fingerprint is shared by 1 other server.
Options requested from client: NAWS, TSPEED, TTYPE
The complete JSON record collected during the scan, including Telnet negotiation results and banner data.
Show JSON
{
"server-probe": {
"fingerprint": "4fe25050e082c3f4",
"fingerprint-data": {
"offered-options": [],
"probed-protocol": "server",
"refused-options": [],
"requested-options": [
"NAWS",
"TSPEED",
"TTYPE"
],
"scan-type": "quick"
},
"session_data": {
"banner_after_return": "",
"banner_before_return": "\u001b[1;1H\u001b[2J\u001b[0mLightweight BBS For Linux Version 0.7.3\r\nTELNET connection from: 64.227.40.173\r\n\u001b[6nPress ENTER: \rPress ENTER: \rPress ENTER: \rPress ENTER: \rPress ENTER: \u001b[0m",
"dsr_replies": 1,
"dsr_requests": 1,
"encoding": "cp437",
"option_states": {
"server_offered": {
"ECHO": true,
"SGA": true
},
"server_requested": {
"NAWS": true,
"TSPEED": true,
"TTYPE": true
}
},
"scan_type": "quick",
"timing": {
"probe": 0.0,
"total": 20.021622896194458
}
}
},
"sessions": [
{
"connected": "2026-03-07T04:20:42.114975+00:00",
"host": "krion.io",
"ip": "54.37.56.77",
"port": 1337
}
]
}
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 krion.io 1337
Show Logfile
DEBUG client.py:1193 Fingerprint client: host=krion.io port=1337
INFO client_base.py:186 Connected to <Peer 54.37.56.77 1337>
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 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 stream_writer.py:768 recv IAC WILL SGA
DEBUG stream_writer.py:784 WILL SGA unsolicited
DEBUG stream_writer.py:1994 handle_will(SGA)
DEBUG stream_writer.py:3330 pending_option[DO + SGA] = True
DEBUG stream_writer.py:1019 send IAC DO SGA
DEBUG stream_writer.py:3330 remote_option[SGA] = True
DEBUG stream_writer.py:3330 pending_option[DO + SGA] = False
DEBUG stream_writer.py:768 recv IAC DO TTYPE
DEBUG stream_writer.py:1836 handle_do(TTYPE)
DEBUG stream_writer.py:3330 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:1019 send IAC WILL TTYPE
DEBUG stream_writer.py:3330 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3330 local_option[TTYPE] = True
DEBUG stream_writer.py:3330 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:768 recv IAC DO NAWS
DEBUG stream_writer.py:1836 handle_do(NAWS)
DEBUG stream_writer.py:3330 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:1019 send IAC WILL NAWS
DEBUG stream_writer.py:2453 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3330 local_option[NAWS] = True
DEBUG stream_writer.py:3330 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:768 recv IAC DO TSPEED
DEBUG stream_writer.py:1836 handle_do(TSPEED)
DEBUG stream_writer.py:3330 pending_option[WILL + TSPEED] = True
DEBUG stream_writer.py:1019 send IAC WILL TSPEED
DEBUG stream_writer.py:3330 pending_option[SB + TSPEED] = True
DEBUG stream_writer.py:3330 local_option[TSPEED] = True
DEBUG stream_writer.py:3330 pending_option[WILL + TSPEED] = False
DEBUG stream_writer.py:768 recv IAC WONT ECHO
DEBUG stream_writer.py:2148 handle_wont(ECHO)
DEBUG stream_writer.py:3330 remote_option[ECHO] = 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 TTYPE, SB TSPEED'
DEBUG client_base.py:89 EOF from server, closing.
INFO client_base.py:118 Connection closed to <Peer 54.37.56.77 1337>
INFO fingerprinting.py:755 connection for server fingerprint 4fe25050e082c3f4