shell.roughneckbbs.com:23

Connection Banner:

shell.roughneckbbs.com:23

BBS Software

Detected: Synchronet

Encoding

  • Effective encoding: cp437

  • Scanner detected: ascii

Telnet Fingerprint

91a64a6a0687c3ea…

This fingerprint is shared by 12 other servers.

Options requested from client: NAWS, NEW_ENVIRON, TSPEED, TTYPE

Data source: 91a64a6a0687c3ea/eecf3f1265f555b4.json

The complete JSON record collected during the scan, including Telnet negotiation results and banner data.

{
  "server-probe": {
    "fingerprint": "91a64a6a0687c3ea",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [
        "NAWS",
        "NEW_ENVIRON",
        "TSPEED",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.19\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 3.19  Copyright 2022 Rob Swindell\r\n\r\n\r\nAnsi Required.\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": 0.0,
        "total": 2.5095157623291016
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:29:41.647758+00:00",
      "host": "shell.roughneckbbs.com",
      "ip": "51.81.173.3",
      "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=shell.roughneckbbs.com port=23
INFO client_base.py:174 Connected to <Peer 51.81.173.3 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: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: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 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 client_base.py:88 EOF from server, closing.
INFO client_base.py:105 Connection closed to <Peer 51.81.173.3 23>
INFO fingerprinting.py:746 connection for server fingerprint 91a64a6a0687c3ea

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug shell.roughneckbbs.com 23