51.81.209.251 (bbs.telnix.com)

bbs.telnix.com:6502

Connection Banner:

bbs.telnix.com:6502

BBS Software

Detected: Synchronet

Encoding

  • Effective encoding: cp437

  • Scanner detected: ascii

Telnet Fingerprint

d06e080c36c73c6a…

This fingerprint is shared by 232 other servers.

Options offered by server: AARDWOLF, ATCP, BINARY, CHARSET, COM_PORT, ECHO, EOR, GMCP, MSDP, MSP, MSSP, MXP, SGA, STATUS, ZMP

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

Data source: d06e080c36c73c6a/548bb840d4003a1b.json

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

{
  "server-probe": {
    "fingerprint": "d06e080c36c73c6a",
    "fingerprint-data": {
      "offered-options": [
        "AARDWOLF",
        "ATCP",
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "ECHO",
        "EOR",
        "GMCP",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "STATUS",
        "ZMP"
      ],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [
        "NAWS",
        "NEW_ENVIRON",
        "TSPEED",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\r\n\r\nEnter User Name or Number or 'New' or 'Guest'\r\nLogin: ",
      "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\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\nCLIENT CONN: Telnet\r\n       ADDR: <no name> [64.227.40.173]\r\n       TERM: 80x25 US-ASCII / DUMB\r\nSERVER NAME: datGSguy BBS\r\n       ADDR: datgsguy.com\r\n       NODE: 1 (of 4) - Debian GNU/Linux 12 (bookworm) x86_64\r\n       TIME: Mon Feb 09 2026 11:28 am PST\r\n       ADMN: datGSguy\r\n\r\nIf you are a new user to the system, type \"New\" now.\r\nOtherwise, enter your user name or number now.\r\n\r\nEnter User Name or Number or 'New' or 'Guest'\r\nLogin: ",
      "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": 0.30368685722351074,
        "total": 6.116658449172974
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:29:03.618846+00:00",
      "host": "bbs.telnix.com",
      "ip": "51.81.209.251",
      "port": 6502
    }
  ]
}

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=bbs.telnix.com port=6502
INFO client_base.py:174 Connected to <Peer 51.81.209.251 6502>
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
DEBUG stream_writer.py:706 recv IAC WILL BINARY
DEBUG stream_writer.py:1897 handle_will(BINARY)
DEBUG stream_writer.py:921 skip DO BINARY; pending_option = True
DEBUG stream_writer.py:3167 remote_option[BINARY] = True
DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = False
DEBUG stream_writer.py:706 recv IAC WILL STATUS
DEBUG stream_writer.py:1897 handle_will(STATUS)
DEBUG stream_writer.py:3167 remote_option[STATUS] = True
DEBUG stream_writer.py:1038 send IAC SB STATUS SEND IAC SE
DEBUG stream_writer.py:3167 pending_option[SB + STATUS] = True
DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = False
DEBUG stream_writer.py:706 recv IAC WILL CHARSET
DEBUG stream_writer.py:1897 handle_will(CHARSET)
DEBUG stream_writer.py:921 skip DO CHARSET; pending_option = True
DEBUG stream_writer.py:3167 remote_option[CHARSET] = True
DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = False
DEBUG stream_writer.py:706 recv IAC WILL EOR
DEBUG stream_writer.py:1897 handle_will(EOR)
DEBUG stream_writer.py:921 skip DO EOR; pending_option = True
DEBUG stream_writer.py:3167 remote_option[EOR] = True
DEBUG stream_writer.py:3167 pending_option[DO + EOR] = False
DEBUG stream_writer.py:706 recv IAC WILL COM_PORT_OPTION
DEBUG stream_writer.py:1897 handle_will(COM_PORT_OPTION)
DEBUG stream_writer.py:921 skip DO COM_PORT_OPTION; pending_option = True
DEBUG stream_writer.py:3167 remote_option[COM_PORT_OPTION] = True
DEBUG stream_writer.py:1061 send IAC SB COM-PORT-OPTION SIGNATURE IAC SE
DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = False
DEBUG stream_writer.py:706 recv IAC WILL GMCP
DEBUG stream_writer.py:1897 handle_will(GMCP)
DEBUG stream_writer.py:921 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[GMCP] = True
DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSDP
DEBUG stream_writer.py:1897 handle_will(MSDP)
DEBUG stream_writer.py:921 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSDP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSSP
DEBUG stream_writer.py:1897 handle_will(MSSP)
DEBUG stream_writer.py:921 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSSP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSP
DEBUG stream_writer.py:1897 handle_will(MSP)
DEBUG stream_writer.py:921 skip DO MSP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSP] = False
DEBUG stream_writer.py:706 recv IAC WILL MXP
DEBUG stream_writer.py:1897 handle_will(MXP)
DEBUG stream_writer.py:921 skip DO MXP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MXP] = True
DEBUG stream_writer.py:3167 pending_option[SB + MXP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MXP] = False
DEBUG stream_writer.py:706 recv IAC WILL ZMP
DEBUG stream_writer.py:1897 handle_will(ZMP)
DEBUG stream_writer.py:921 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[ZMP] = True
DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:706 recv IAC WILL AARDWOLF
DEBUG stream_writer.py:1897 handle_will(AARDWOLF)
DEBUG stream_writer.py:921 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:3167 remote_option[AARDWOLF] = True
DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:706 recv IAC WILL ATCP
DEBUG stream_writer.py:1897 handle_will(ATCP)
DEBUG stream_writer.py:921 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[ATCP] = True
DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = False
INFO fingerprinting.py:746 connection for server fingerprint d06e080c36c73c6a
INFO client_base.py:105 Connection closed to <Peer 51.81.209.251 6502>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug bbs.telnix.com 6502

datgsguy.com:513

Connection Banner:

datgsguy.com:513

BBS Software

Detected: Synchronet

Encoding

  • Effective encoding: cp437

  • Scanner detected: ascii

Telnet Fingerprint

a8a260cc4662430c…

This fingerprint is shared by 169 other servers.

Data source: a8a260cc4662430c/4aa8a2dc63da41dd.json

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

{
  "server-probe": {
    "fingerprint": "a8a260cc4662430c",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [
        "AARDWOLF",
        "ATCP",
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "ECHO",
        "EOR",
        "GMCP",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "STATUS",
        "ZMP"
      ],
      "requested-options": [],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\u0000\r\nSynchronet BBS for Linux  Version 3.21\r\nRLogin connection from: 64.227.40.173\r\nResolving hostname...\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",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {},
        "server_requested": {}
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.5039939880371094,
        "total": 5.009405851364136
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:29:06.286282+00:00",
      "host": "datgsguy.com",
      "ip": "51.81.209.251",
      "port": 513
    }
  ]
}

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=datgsguy.com port=513
INFO client_base.py:174 Connected to <Peer 51.81.209.251 513>
DEBUG client_base.py:460 negotiation complete after 2.00s.
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 + SGA] = True
DEBUG stream_writer.py:947 send IAC DO SGA
DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:947 send IAC DO ECHO
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 a8a260cc4662430c
INFO client_base.py:105 Connection closed to <Peer 51.81.209.251 513>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug datgsguy.com 513