192.81.129.7

192.81.129.7:513

Connection Banner:

Server URLs

• RLogin: 192.81.129.7:513 📋
• Finger: finger://192.81.129.7
• Gopher: gopher://192.81.129.7
• IRC: irc://192.81.129.7
• NNTP: nntp://192.81.129.7
• Secure WebSocket: wss://192.81.129.7:11235
• WebSocket: ws://192.81.129.7:1123
• Website: http://192.81.129.7

Server Location: 🇺🇸 United States (GeoIP)

BBS Software

Detected: Synchronet

Encoding

• Effective encoding: cp437

• Override: cp437 (from bbslist.txt)

• Scanner detected: cp437

Telnet Fingerprint

fcc77c9fc888e2f2

This fingerprint is shared by 33 other servers.

Options offered by server: CHARSET

Options requested from client: CHARSET

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

Show JSON

{
  "server-probe": {
    "fingerprint": "fcc77c9fc888e2f2",
    "fingerprint-data": {
      "offered-options": [
        "CHARSET"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "AARDWOLF",
        "ATCP",
        "BINARY",
        "COM_PORT",
        "ECHO",
        "EOR",
        "GMCP",
        "MCCP2",
        "MCCP3",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "STATUS",
        "ZMP"
      ],
      "requested-options": [
        "CHARSET"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\u001b[34m\u001b[0m                            \u001b[1m\u001b[34m\u2580\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2580\u2580\u2580\u2580\u2580\u2580\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2580\u001b[0m\r\n                               \u001b[1m\u001b[34m\u2580\u2580\u2580\u2580            \u2580\u2580\u2580\u2580\r\n\u001b[0m                                \u001b[1mThink different.\u001b[0m\r\n\u001b[1mCLIENT \u001b[0m\u001b[36mCONN: \u001b[1mRLogin\r\n\u001b[0m\u001b[1m       \u001b[0m\u001b[36mADDR: \u001b[1mmodem.xyz [143.198.61.53]\r\n\u001b[0m\u001b[1m       \u001b[0m\u001b[36mTERM: \u001b[1m80x24 ANSI\r\n\u001b[0m\u001b[1mSERVER \u001b[0m\u001b[36mNAME: \u001b[1m\u001b[33mClassic Macs BBS\r\n\u001b[0m\u001b[1m       \u001b[0m\u001b[36mNODE: \u001b[1m1 \u001b[0m\u001b[36m(of \u001b[1m15\u001b[0m\u001b[36m) - \u001b[1mLinux 6.8.0-106-generic x86_64\r\n\u001b[0m\u001b[1m       \u001b[0m\u001b[36mTIME: \u001b[1mThu Apr 09 2026 05:29 pm PST\r\n\u001b[0m\u001b[1m       \u001b[0m\u001b[36mADMN: \u001b[1mMarisaG\r\n\r\n\u001b[34mIf you are a new user to the system, type \u001b[36m\"New\"\u001b[34m now.\r\nOtherwise, enter your user name or number now.\r\n\u001b[0m\r\n\u001b[1m\u001b[36mEnter \u001b[37mUser Name\u001b[36m or \u001b[37mNumber\u001b[36m or '\u001b[33mNew\u001b[36m' or '\u001b[33mGuest\u001b[36m'\r\nLogin: \u001b[37m",
      "banner_before_return": "\u0000\r\nSynchronet BBS for Linux  Version 3.19\r\nRLogin connection from: 143.198.61.53\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\b_\u001b[6n\u001b[u\u001b[!_\r\u2229\u2557\u2510\u001b[6n\u001b[0m_\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Linux  Version 3.19  Copyright 2021 Rob Swindell\r\n                                            \u001b[32m\u2584\u2584\u2588\u2588\u2588\r\n\u001b[0m                                          \u001b[32m\u2584\u2588\u2588\u2588\u2588\u2588\u258c\r\n\u001b[0m                                         \u001b[32m\u2590\u2588\u2588\u2588\u2588\u2588\u258c\r\n\u001b[0m                                        \u001b[32m\u2590\u2588\u2588\u2588\u2588\u2588\u2588\r\n\u001b[0m                                       \u001b[32m\u2590\u2588\u2588\u2588\u2588\u2588\u2580\r\n\u001b[0m                             \u001b[32m\u2584\u2584\u2584\u2584\u2584\u2584\u2584\u2584  \u2590\u2588\u2588\u2580  \u2584\u2584\u2584\u2584\u2584\u2584\u2584\u2584\u001b[30m\r\n\u001b[0m                        \u001b[32m\u2584\u2584\u2584\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2584\u2584\u2584\u2584\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2584\u2584\u2584\r\n\u001b[0m                      \u001b[1m\u001b[33m\u001b[42m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m  \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                     \u001b[32m\u2584\u001b[1m\u001b[33m\u001b[42m\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u001b[0m\u001b[32m\u2580\u2580\u001b[0m  \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                     \u001b[1m\u001b[33m\u001b[42m\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u001b[40m\u2588\u2580\u001b[0m     \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                    \u001b[1m\u001b[33m\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2580\u001b[0m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                    \u001b[1m\u001b[33m\u001b[43m\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u001b[40m\u258c\u001b[0m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                   \u001b[1m\u001b[33m\u2590\u001b[43m\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u001b[40m \u001b[0m\u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                   \u001b[1m\u001b[33m\u2590\u001b[43m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\u001b[33m\u2584\u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                   \u001b[33m\u2590\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2584\u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                   \u001b[31m\u2590\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2584  \u001b[30m\u2591\u2591\u2591\u001b[0m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                    \u001b[31m\u2590\u001b[45m\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u001b[35m\u001b[40m\u2584\u2584\u001b[32m \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m\r\n                     \u001b[35m\u2580\u001b[31m\u001b[45m\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u001b[32m\u001b[40m   \u001b[30m\u2591\u2591\u2591\u2591\u2591\u2591\u001b[0m  \u001b[30m\u2591\u001b[0m\r\n                      \u001b[35m\u2580\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2580\u001b[31m\r\n\u001b[0m                       \u001b[1m\u001b[34m\u2590\u001b[45m\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u2591\u001b[40m\u258c\u001b[0m\r\n                        \u001b[35m\u2580\u001b[1m\u001b[34m\u001b[45m\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u2592\u001b[0m\u001b[35m\u2580\u001b[0m\r\n                          \u001b[1m\u001b[34m\u2580\u001b[45m\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u001b[40m\u2580\r\n\u001b[31m[Hit a key] ",
      "dsr_replies": 2,
      "dsr_requests": 2,
      "encoding": "cp437",
      "option_states": {
        "server_offered": {},
        "server_requested": {}
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.5050868988037109,
        "total": 11.147626638412476
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T04:16:44.561078+00:00",
      "host": "192.81.129.7",
      "ip": "192.81.129.7",
      "port": 513
    },
    {
      "connected": "2026-04-05T19:01:44.411390+00:00",
      "host": "192.81.129.7",
      "ip": "192.81.129.7",
      "port": 513
    },
    {
      "connected": "2026-04-08T16:54:14.562242+00:00",
      "host": "192.81.129.7",
      "ip": "192.81.129.7",
      "port": 513
    },
    {
      "connected": "2026-04-10T00:29:22.307470+00:00",
      "host": "192.81.129.7",
      "ip": "192.81.129.7",
      "port": 513
    }
  ]
}

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 192.81.129.7 513

Show Logfile

DEBUG client.py:1193 Fingerprint client: host=192.81.129.7 port=513
INFO client_base.py:188 Connected to <Peer 192.81.129.7 513>
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = True
DEBUG stream_writer.py:1024 send IAC WILL ZMP
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC WILL AARDWOLF
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSDP
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:1024 send IAC WILL GMCP
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:1024 send IAC WILL MXP
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:1024 send IAC WILL ATCP
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSSP
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:1024 send IAC DO ZMP
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC DO AARDWOLF
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1024 send IAC DO MSDP
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1024 send IAC DO GMCP
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = True
DEBUG stream_writer.py:1024 send IAC DO MXP
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:1024 send IAC DO ATCP
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSSP
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP3_COMPRESS
DEBUG client_base.py:513 negotiation failed after 4.00s.
DEBUG client_base.py:519 failed-reply: 'WILL ZMP, WILL AARDWOLF, WILL MSDP, WILL GMCP, WILL MXP, WILL ATCP, WILL MSSP, WILL MSP,
    WILL MCCP2_COMPRESS, WILL MCCP3_COMPRESS, DO ZMP, DO AARDWOLF, DO MSDP, DO GMCP, DO MXP, DO ATCP, DO MSSP, DO MSP, DO
    MCCP2_COMPRESS, DO MCCP3_COMPRESS'
DEBUG server_fingerprinting.py:989 DA request -> b'\x1b[?1;2c'
DEBUG stream_writer.py:3384 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:1024 send IAC DO BINARY
DEBUG stream_writer.py:3384 pending_option[DO + SGA] = True
DEBUG stream_writer.py:1024 send IAC DO SGA
DEBUG stream_writer.py:3384 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:1024 send IAC DO ECHO
DEBUG stream_writer.py:3384 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:1024 send IAC DO STATUS
DEBUG stream_writer.py:3384 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:1024 send IAC DO CHARSET
DEBUG stream_writer.py:3384 pending_option[DO + EOR] = True
DEBUG stream_writer.py:1024 send IAC DO EOR
DEBUG stream_writer.py:3384 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:1024 send IAC DO COM_PORT_OPTION
DEBUG stream_writer.py:998 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:998 skip DO MCCP3_COMPRESS; pending_option = True
DEBUG stream_writer.py:998 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:998 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:998 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:998 skip DO MSP; pending_option = True
DEBUG stream_writer.py:998 skip DO MXP; pending_option = True
DEBUG stream_writer.py:998 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:998 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:998 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:773 recv IAC DO b'\xfd'
DEBUG stream_writer.py:1887 handle_do(DO)
DEBUG stream_writer.py:1995 DO DO not supported.
DEBUG stream_writer.py:3384 local_option[DO] = False
DEBUG stream_writer.py:1024 send IAC WONT DO
DEBUG stream_writer.py:773 recv IAC DO b'\xfd'
DEBUG stream_writer.py:1887 handle_do(DO)
DEBUG stream_writer.py:1995 DO DO not supported.
DEBUG stream_writer.py:1024 send IAC WONT DO
DEBUG stream_writer.py:773 recv IAC DO CHARSET
DEBUG stream_writer.py:1887 handle_do(CHARSET)
DEBUG stream_writer.py:3384 pending_option[WILL + CHARSET] = True
DEBUG stream_writer.py:1024 send IAC WILL CHARSET
DEBUG stream_writer.py:3384 local_option[CHARSET] = True
DEBUG stream_writer.py:3384 pending_option[WILL + CHARSET] = False
DEBUG stream_writer.py:773 recv IAC DO b'\x1b'
DEBUG stream_writer.py:1887 handle_do(b'\x1b')
DEBUG stream_writer.py:1995 DO b'\x1b' not supported.
DEBUG stream_writer.py:3384 local_option[b'\x1b'] = False
DEBUG stream_writer.py:1024 send IAC WONT b'\x1b'
DEBUG stream_writer.py:773 recv IAC DO COM_PORT_OPTION
DEBUG stream_writer.py:1887 handle_do(COM_PORT_OPTION)
DEBUG stream_writer.py:1995 DO COM_PORT_OPTION not supported.
DEBUG stream_writer.py:3384 local_option[COM_PORT_OPTION] = False
DEBUG stream_writer.py:1024 send IAC WONT COM_PORT_OPTION
DEBUG stream_writer.py:773 recv IAC WONT b'\xfd'
DEBUG stream_writer.py:2199 handle_wont(DO)
DEBUG stream_writer.py:3384 remote_option[DO] = False
DEBUG stream_writer.py:3384 pending_option[DO + DO] = False
DEBUG stream_writer.py:773 recv IAC WONT b'\xfd'
DEBUG stream_writer.py:2199 handle_wont(DO)
DEBUG stream_writer.py:773 recv IAC WILL CHARSET
DEBUG stream_writer.py:2045 handle_will(CHARSET)
DEBUG stream_writer.py:998 skip DO CHARSET; pending_option = True
DEBUG stream_writer.py:3384 remote_option[CHARSET] = True
DEBUG client.py:168 Both sides support CHARSET, ready for server to initiate REQUEST
DEBUG stream_writer.py:3384 pending_option[DO + CHARSET] = False
DEBUG stream_writer.py:773 recv IAC WONT RCTE
DEBUG stream_writer.py:2199 handle_wont(RCTE)
DEBUG stream_writer.py:3384 remote_option[RCTE] = False
DEBUG stream_writer.py:3384 pending_option[DO + RCTE] = False
DEBUG stream_writer.py:773 recv IAC WONT COM_PORT_OPTION
DEBUG stream_writer.py:2199 handle_wont(COM_PORT_OPTION)
DEBUG stream_writer.py:3384 remote_option[COM_PORT_OPTION] = False
DEBUG stream_writer.py:3384 pending_option[DO + COM_PORT_OPTION] = False
DEBUG fingerprinting.py:844 connection for server fingerprint fcc77c9fc888e2f2
INFO client_base.py:120 Connection closed to <Peer 192.81.129.7 513>

macos.retro-os.live:23

Connection Banner:

Server URLs

• Telnet: macos.retro-os.live:23 📋

Server Location: 🇺🇸 United States (GeoIP)

BBS Software

Detected: Synchronet

Encoding

• Effective encoding: utf-8

• Override: utf-8 (from bbslist.txt)

• Scanner detected: utf-8

Telnet Fingerprint

cdf52165b1ba8b95

This fingerprint is shared by 375 other servers.

Options offered by server: AARDWOLF, ATCP, ECHO, GMCP, MCCP2, MCCP3, MSDP, MSP, MSSP, MXP, SGA, ZMP

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

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

Show JSON

{
  "server-probe": {
    "fingerprint": "cdf52165b1ba8b95",
    "fingerprint-data": {
      "offered-options": [
        "AARDWOLF",
        "ATCP",
        "ECHO",
        "GMCP",
        "MCCP2",
        "MCCP3",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "ZMP"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "EOR",
        "STATUS"
      ],
      "requested-options": [
        "NAWS",
        "NEW_ENVIRON",
        "TSPEED",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b\b \b                               ####            ####\r\n                                Think different.\r\nCLIENT CONN: Telnet\r\n       ADDR: modem.xyz [143.198.61.53]\r\n       TERM: 80x25 DUMB\r\nSERVER NAME: Classic Macs BBS\r\n       NODE: 1 (of 15) - Linux 6.8.0-106-generic x86_64\r\n       TIME: Mon Apr 06 2026 10:37 pm PST\r\n       ADMN: MarisaG\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: o\b ",
      "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.19\r\nTelnet connection from: 143.198.61.53\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\b_\u001b[6n\u001b[u\u001b[!_\r\ufeff\u001b[6n\u001b[0m_\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Linux  Version 3.19  Copyright 2021 Rob Swindell\r\n                                            #####\r\n                                          ######[\r\n                                         ]#####[\r\n                                        ]######\r\n                                       ]######\r\n                             ########  ]###  ########\r\n                        ##################################\r\n                      ######################################  ##########\r\n                     #######################################  #############\r\n                     ####################################     ##############\r\n                    #################################### ####################\r\n                    ##################################[ #####################\r\n                   ]################################## ######################\r\n                   ]########################################## ##############\r\n                   ]########################################## #############\r\n                   ]#####################################  ### #############\r\n                    ]####################################### ############\r\n                     #######################################   ######  #\r\n                      ######################################\r\n                       ]##################################[\r\n                        ##################################\r\n                          ##############################\r\n                            ##########################\r\n[Hit a key] ",
      "dsr_replies": 2,
      "dsr_requests": 2,
      "encoding": "utf-8",
      "option_states": {
        "server_offered": {
          "AARDWOLF": true,
          "ATCP": true,
          "ECHO": true,
          "GMCP": true,
          "MCCP2": true,
          "MCCP3": true,
          "MSDP": true,
          "MSP": true,
          "MSSP": true,
          "MXP": true,
          "SGA": true,
          "ZMP": true
        },
        "server_requested": {
          "AARDWOLF": false,
          "ATCP": false,
          "GMCP": false,
          "MCCP2": false,
          "MCCP3": false,
          "MSDP": false,
          "MSP": false,
          "MSSP": false,
          "MXP": false,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "SNDLOC": false,
          "TSPEED": true,
          "TTYPE": true,
          "ZMP": false
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.5049316883087158,
        "total": 15.662606477737427
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T04:09:21.391451+00:00",
      "host": "macos.retro-os.live",
      "ip": "192.81.129.7",
      "port": 23
    },
    {
      "connected": "2026-04-05T19:18:42.238076+00:00",
      "host": "macos.retro-os.live",
      "ip": "192.81.129.7",
      "port": 23
    },
    {
      "connected": "2026-04-07T05:37:55.653951+00:00",
      "host": "macos.retro-os.live",
      "ip": "192.81.129.7",
      "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 macos.retro-os.live 23

Show Logfile

DEBUG client.py:1200 Fingerprint client: host=macos.retro-os.live port=23
INFO client_base.py:190 Connected to <Peer 192.81.129.7 23>
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:1024 send IAC WILL ATCP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC WILL AARDWOLF
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSSP
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSDP
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:1024 send IAC WILL MXP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:1024 send IAC WILL GMCP
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSP
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = True
DEBUG stream_writer.py:1024 send IAC WILL ZMP
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:1024 send IAC DO ATCP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC DO AARDWOLF
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSSP
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1024 send IAC DO MSDP
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = True
DEBUG stream_writer.py:1024 send IAC DO MXP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1024 send IAC DO GMCP
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSP
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:1024 send IAC DO ZMP
DEBUG stream_writer.py:773 recv IAC DONT ATCP
DEBUG stream_writer.py:2010 handle_dont(ATCP)
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = False
DEBUG stream_writer.py:3384 local_option[ATCP] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP3_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT AARDWOLF
DEBUG stream_writer.py:2010 handle_dont(AARDWOLF)
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = False
DEBUG stream_writer.py:3384 local_option[AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC DONT MSSP
DEBUG stream_writer.py:2010 handle_dont(MSSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = False
DEBUG stream_writer.py:3384 local_option[MSSP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSDP
DEBUG stream_writer.py:2010 handle_dont(MSDP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = False
DEBUG stream_writer.py:3384 local_option[MSDP] = False
DEBUG stream_writer.py:773 recv IAC DONT MXP
DEBUG stream_writer.py:2010 handle_dont(MXP)
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:3384 local_option[MXP] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP2_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP2_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT GMCP
DEBUG stream_writer.py:2010 handle_dont(GMCP)
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = False
DEBUG stream_writer.py:3384 local_option[GMCP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSP
DEBUG stream_writer.py:2010 handle_dont(MSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = False
DEBUG stream_writer.py:3384 local_option[MSP] = False
DEBUG stream_writer.py:773 recv IAC DONT ZMP
DEBUG stream_writer.py:2010 handle_dont(ZMP)
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = False
DEBUG stream_writer.py:3384 local_option[ZMP] = False
DEBUG stream_writer.py:773 recv IAC WILL ECHO
DEBUG stream_writer.py:789 WILL ECHO unsolicited
DEBUG stream_writer.py:2045 handle_will(ECHO)
DEBUG stream_writer.py:3384 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:1024 send IAC DO ECHO
DEBUG stream_writer.py:3384 remote_option[ECHO] = True
DEBUG stream_writer.py:3384 pending_option[DO + ECHO] = False
DEBUG stream_writer.py:773 recv IAC WILL SGA
DEBUG stream_writer.py:789 WILL SGA unsolicited
DEBUG stream_writer.py:2045 handle_will(SGA)
DEBUG stream_writer.py:3384 pending_option[DO + SGA] = True
DEBUG stream_writer.py:1024 send IAC DO SGA
DEBUG stream_writer.py:3384 remote_option[SGA] = True
DEBUG stream_writer.py:3384 pending_option[DO + SGA] = False
DEBUG stream_writer.py:773 recv IAC DO TTYPE
DEBUG stream_writer.py:1887 handle_do(TTYPE)
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:1024 send IAC WILL TTYPE
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3384 local_option[TTYPE] = True
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:773 recv IAC DO TSPEED
DEBUG stream_writer.py:1887 handle_do(TSPEED)
DEBUG stream_writer.py:3384 pending_option[WILL + TSPEED] = True
DEBUG stream_writer.py:1024 send IAC WILL TSPEED
DEBUG stream_writer.py:3384 pending_option[SB + TSPEED] = True
DEBUG stream_writer.py:3384 local_option[TSPEED] = True
DEBUG stream_writer.py:3384 pending_option[WILL + TSPEED] = False
DEBUG stream_writer.py:773 recv IAC DO SNDLOC
DEBUG stream_writer.py:1887 handle_do(SNDLOC)
DEBUG stream_writer.py:1995 DO SNDLOC not supported.
DEBUG stream_writer.py:3384 local_option[SNDLOC] = False
DEBUG stream_writer.py:1024 send IAC WONT SNDLOC
DEBUG stream_writer.py:773 recv IAC DO NAWS
DEBUG stream_writer.py:1887 handle_do(NAWS)
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:1024 send IAC WILL NAWS
DEBUG stream_writer.py:2507 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3384 local_option[NAWS] = True
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:773 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1887 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3384 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:1024 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3384 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3384 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3384 pending_option[WILL + NEW_ENVIRON] = False
DEBUG stream_writer.py:773 recv IAC WILL ATCP
DEBUG stream_writer.py:2045 handle_will(ATCP)
DEBUG stream_writer.py:998 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[ATCP] = True
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = False
DEBUG stream_writer.py:773 recv IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:2045 handle_will(MCCP3_COMPRESS)
DEBUG stream_writer.py:998 skip DO MCCP3_COMPRESS; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MCCP3_COMPRESS] = True
DEBUG stream_writer.py:2110 MCCP3: client compression activated
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WILL AARDWOLF
DEBUG stream_writer.py:2045 handle_will(AARDWOLF)
DEBUG stream_writer.py:998 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:3384 remote_option[AARDWOLF] = True
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC WILL MSSP
DEBUG stream_writer.py:2045 handle_will(MSSP)
DEBUG stream_writer.py:998 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSSP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:773 recv IAC WILL MSDP
DEBUG stream_writer.py:2045 handle_will(MSDP)
DEBUG stream_writer.py:998 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSDP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:773 recv IAC WILL MXP
DEBUG stream_writer.py:2045 handle_will(MXP)
DEBUG stream_writer.py:998 skip DO MXP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MXP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = False
DEBUG stream_writer.py:773 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:2045 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:998 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MCCP2_COMPRESS] = True
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WILL GMCP
DEBUG stream_writer.py:2045 handle_will(GMCP)
DEBUG stream_writer.py:998 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[GMCP] = True
DEBUG stream_writer.py:1072 send IAC SB GMCP Core.Hello IAC SE
DEBUG stream_writer.py:1072 send IAC SB GMCP Core.Supports.Set IAC SE
INFO client.py:201 GMCP handshake: Core.Hello + Core.Supports.Set ['Char 1', 'Char.Vitals 1', 'Char.Items 1', 'Room 1', 'Room.Info
    1', 'Comm 1', 'Comm.Channel 1', 'Group 1']
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:773 recv IAC WILL MSP
DEBUG stream_writer.py:2045 handle_will(MSP)
DEBUG stream_writer.py:998 skip DO MSP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MSP] = True
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = False
DEBUG stream_writer.py:773 recv IAC WILL ZMP
DEBUG stream_writer.py:2045 handle_will(ZMP)
DEBUG stream_writer.py:998 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:3384 remote_option[ZMP] = True
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = False
DEBUG client_base.py:510 MCCP3 compression started (client→server)
DEBUG stream_writer.py:773 recv IAC DONT SNDLOC
DEBUG stream_writer.py:2010 handle_dont(SNDLOC)
DEBUG stream_writer.py:3384 pending_option[WILL + SNDLOC] = False
DEBUG stream_writer.py:767 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:754 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2404 recv TTYPE SEND: b''
DEBUG stream_writer.py:2416 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:767 begin sub-negotiation SB TSPEED
DEBUG stream_writer.py:754 sub-negotiation cmd TSPEED SE completion byte
DEBUG stream_writer.py:3384 pending_option[SB + TSPEED] = False
DEBUG stream_writer.py:2345 recv TSPEED SEND: b''
DEBUG stream_writer.py:2373 send: IAC SB TSPEED IS b'38400',b'38400' IAC SE
DEBUG client_base.py:307 DSR detected early in data_received, sending CPR
DEBUG client_base.py:307 DSR detected early in data_received, sending CPR
DEBUG client_base.py:534 negotiation failed after 4.00s.
DEBUG client_base.py:540 failed-reply: 'SB NEW_ENVIRON'
DEBUG stream_writer.py:3384 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:1024 send IAC DO BINARY
DEBUG stream_writer.py:3384 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:1024 send IAC DO STATUS
DEBUG stream_writer.py:3384 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:1024 send IAC DO CHARSET
DEBUG stream_writer.py:3384 pending_option[DO + EOR] = True
DEBUG stream_writer.py:1024 send IAC DO EOR
DEBUG stream_writer.py:3384 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:1024 send IAC DO COM_PORT_OPTION
DEBUG fingerprinting.py:849 connection for server fingerprint cdf52165b1ba8b95
INFO client_base.py:122 Connection closed to <Peer 192.81.129.7 23>