The Final Challenge

finalchallenge.net:4000

Server Info

  • Players online: 2 [1]

Protocol Support

MUD-specific protocols detected via MSSP flags or Telnet negotiation. See the glossary for definitions.

  • MSSP: Yes (MSSP)

  • GMCP: No

  • MSDP: Negotiated

  • MCCP: No

  • MCCP2: No

  • MXP: No

  • MSP: No

  • MCP: No

  • ZMP: No

Telnet Fingerprint

69c0a5964d203517…

This fingerprint is shared by 19 other servers.

Options offered by server: ECHO

Options requested from client: CHARSET, NAWS, TTYPE

Data source: 69c0a5964d203517/6354635ae1881560.json

The complete JSON record collected during the scan, including Telnet negotiation results and any MSSP metadata.

{
  "server-probe": {
    "fingerprint": "69c0a5964d203517",
    "fingerprint-data": {
      "offered-options": [
        "ECHO"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "AUTHENTICATION",
        "BINARY",
        "BM",
        "CHARSET",
        "COM_PORT",
        "DET",
        "ENCRYPT",
        "EOR",
        "FORWARD_X",
        "KERMIT",
        "NAMS",
        "NAOCRD",
        "NAOFFD",
        "NAOHTD",
        "NAOHTS",
        "NAOL",
        "NAOLFD",
        "NAOP",
        "NAOVTD",
        "NAOVTS",
        "PRAGMA_HEARTBEAT",
        "PRAGMA_LOGON",
        "RCP",
        "RCTE",
        "RSP",
        "SEND_URL",
        "SGA",
        "SSPI_LOGON",
        "STATUS",
        "SUPDUP",
        "SUPDUPOUTPUT",
        "SUPPRESS_LOCAL_ECHO",
        "TLS",
        "TN3270E",
        "TTYLOC",
        "VT3270REGIME",
        "X3PAD",
        "XAUTH"
      ],
      "requested-options": [
        "CHARSET",
        "NAWS",
        "TTYPE"
      ]
    },
    "session_data": {
      "banner_after_return": "                                    \\_/__/\n\r\n\r\n\r   Diku Mud was created by Hans Henrik St{rfeldt, Katja Nyboe, Tom Madsen, \n\rMichael Seifert, and Sebastian Hammer. 08/01/93 Merc 2.1 Furey, Hatchet, Kahn\n\r\n\r         TFC WEB SITE  : http://www.tfcmud.com\n\r         TFC FORUMS    : http://forums.tfcmud.com \n\r         TWITTER       : http://twitter.com/tfcmud\n\r         WIKI          : http://wiki.tfcmud.com\n\r         FACEBOOK      : http://www.facebook.com/tfcmud\n\r         GOOGLE        : http://google.com/+Tfcmud\n\r\n\r\n\rThe following special playing conditions are in effect:\n\r*** THERE IS A QUEST IN PROGRESS ***\n\r*** Quest scheduled to end in: 8hr 32min  (2026-02-08 09:19:17) ***\n\r*** SCAVENGER HUNT IN PROGRESS ***\n\rBy what name do you wish to be known? ",
      "banner_before_return": "\n\r ______  __                  ______                        ___\n\r/\\__  _\\/\\ \\                /\\  ___\\  __                  /\\_ \\\n\r\\/_/\\ \\/\\ \\ \\___      __    \\ \\ \\__/ /\\_\\    ___      __  \\//\\ \\\n\r   \\ \\ \\ \\ \\  _ `\\  /'__`\\   \\ \\  _\\ \\/\\ \\ /' _ `\\  /'__`\\  \\ \\ \\\n\r    \\ \\ \\ \\ \\ \\ \\ \\/\\  __/    \\ \\ \\/  \\ \\ \\/\\ \\/\\ \\/\\ \\L\\.\\_ \\_\\ \\_\n\r     \\ \\_\\ \\ \\_\\ \\_\\ \\____\\    \\ \\_\\   \\ \\_\\ \\_\\ \\_\\ \\__/.\\_\\/\\____\\\n\r      \\/_/  \\/_/\\/_/\\/____/     \\/_/    \\/_/\\/_/\\/_/\\/__/\\/_/\\/____/\n\r ____     __                ___    ___\n\r/\\  _`\\  /\\ \\              /\\_ \\  /\\_ \\\n\r\\ \\ \\/\\_\\\\ \\ \\___      __  \\//\\ \\ \\//\\ \\      __    ___      __      __\n\r \\ \\ \\/_/_\\ \\  _ `\\  /'__`\\  \\ \\ \\  \\ \\ \\   /'__`\\/' _ `\\  /'_ `\\  /'__`\\\n\r  \\ \\ \\L\\ \\\\ \\ \\ \\ \\/\\ \\L\\.\\_ \\_\\ \\_ \\_\\ \\_/\\  __//\\ \\/\\ \\/\\ \\L\\ \\/\\  __/\n\r   \\ \\____/ \\ \\_\\ \\_\\ \\__/.\\_\\/\\____\\/\\____\\ \\____\\ \\_\\ \\_\\ \\____ \\ \\____\\\n\r    \\/___/   \\/_/\\/_/\\/__/\\/_/\\/____/\\/____/\\/____/\\/_/\\/_/\\/___L\\ \\/____/\n\r                                                             /\\____/\n\r                         ",
      "encoding": "ascii",
      "mssp": {
        "CRAWL DELAY": "-1",
        "NAME": "The Final Challenge",
        "PLAYERS": "2",
        "UPTIME": "1768091426"
      },
      "option_states": {
        "server_offered": {
          "0x56": false,
          "0x5a": false,
          "0x5b": false,
          "MSDP": true,
          "MSSP": true
        },
        "server_requested": {
          "0x5b": false,
          "0xc8": false,
          "CHARSET": true,
          "NAWS": true,
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.5086088180541992,
        "total": 1.0096256732940674
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T07:46:51.408154+00:00",
      "host": "finalchallenge.net",
      "ip": "54.186.128.181",
      "port": 4000
    }
  ]
}

Connection Log

Debug-level log of the Telnet negotiation session, showing each IAC (Interpret As Command) exchange between client and server.

DEBUG client.py:770 Fingerprint client: host=finalchallenge.net port=4000
INFO client_base.py:174 Connected to <Peer 54.186.128.181 4000>
DEBUG stream_writer.py:692 recv IAC DO TTYPE
DEBUG stream_writer.py:1733 handle_do(TTYPE)
DEBUG stream_writer.py:3030 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:933 send IAC WILL TTYPE
DEBUG stream_writer.py:3030 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3030 local_option[TTYPE] = True
DEBUG stream_writer.py:3030 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:684 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:671 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3030 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2197 recv TTYPE SEND: b''
DEBUG stream_writer.py:2208 send IAC SB TTYPE IS b'VT100' IAC SE
DEBUG stream_writer.py:692 recv IAC DO NAWS
DEBUG stream_writer.py:1733 handle_do(NAWS)
DEBUG stream_writer.py:3030 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:933 send IAC WILL NAWS
DEBUG stream_writer.py:2300 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3030 local_option[NAWS] = True
DEBUG stream_writer.py:3030 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:692 recv IAC DO CHARSET
DEBUG stream_writer.py:1733 handle_do(CHARSET)
DEBUG stream_writer.py:3030 pending_option[WILL + CHARSET] = True
DEBUG stream_writer.py:933 send IAC WILL CHARSET
DEBUG stream_writer.py:3030 local_option[CHARSET] = True
DEBUG stream_writer.py:3030 pending_option[WILL + CHARSET] = False
DEBUG stream_writer.py:692 recv IAC WILL MSDP
DEBUG stream_writer.py:708 WILL MSDP unsolicited
DEBUG stream_writer.py:1863 handle_will(MSDP)
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:933 send IAC DO MSDP
DEBUG stream_writer.py:3030 remote_option[MSDP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:692 recv IAC WILL MSSP
DEBUG stream_writer.py:708 WILL MSSP unsolicited
DEBUG stream_writer.py:1863 handle_will(MSSP)
DEBUG stream_writer.py:3030 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:933 send IAC DO MSSP
DEBUG stream_writer.py:3030 remote_option[MSSP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:692 recv IAC DO ATCP
DEBUG stream_writer.py:1733 handle_do(ATCP)
DEBUG stream_writer.py:3030 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:933 send IAC WILL ATCP
DEBUG stream_writer.py:3030 local_option[ATCP] = True
DEBUG stream_writer.py:3030 pending_option[WILL + ATCP] = False
DEBUG stream_writer.py:692 recv IAC WILL MSP
DEBUG stream_writer.py:708 WILL MSP unsolicited
DEBUG stream_writer.py:1863 handle_will(MSP)
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = True
DEBUG stream_writer.py:933 send IAC DO MSP
DEBUG stream_writer.py:3030 remote_option[MSP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = False
DEBUG stream_writer.py:692 recv IAC DO MXP
DEBUG stream_writer.py:1733 handle_do(MXP)
DEBUG stream_writer.py:3030 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:933 send IAC WILL MXP
DEBUG stream_writer.py:3030 local_option[MXP] = True
DEBUG stream_writer.py:3030 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:692 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:708 WILL MCCP2_COMPRESS unsolicited
DEBUG stream_writer.py:1863 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:3030 remote_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:933 send IAC DONT MCCP2_COMPRESS
WARNING stream_writer.py:1968 Unhandled: WILL MCCP2_COMPRESS.
DEBUG stream_writer.py:684 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:671 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:2025 [SB + TTYPE] unsolicited
DEBUG stream_writer.py:2197 recv TTYPE SEND: b''
DEBUG stream_writer.py:2208 send IAC SB TTYPE IS b'VT100' IAC SE
DEBUG stream_writer.py:684 begin sub-negotiation SB CHARSET
DEBUG stream_writer.py:671 sub-negotiation cmd CHARSET SE completion byte
DEBUG stream_writer.py:2025 [SB + CHARSET] unsolicited
DEBUG client.py:266 encoding negotiated: UTF-8
DEBUG stream_writer.py:2105 send IAC SB CHARSET ACCEPTED UTF-8 IAC SE
DEBUG stream_writer.py:684 begin sub-negotiation SB MSDP
DEBUG stream_writer.py:671 sub-negotiation cmd MSDP SE completion byte
DEBUG stream_writer.py:2025 [SB + MSDP] unsolicited
DEBUG stream_writer.py:1633 MSDP: {'SERVER_ID': 'The Final Challenge'}
DEBUG stream_writer.py:684 begin sub-negotiation SB MSSP
DEBUG stream_writer.py:671 sub-negotiation cmd MSSP SE completion byte
DEBUG stream_writer.py:2025 [SB + MSSP] unsolicited
DEBUG stream_writer.py:1637 MSSP: {'NAME': 'The Final Challenge', 'PLAYERS': '2', 'UPTIME': '1768091426', 'CRAWL DELAY': '-1'}
DEBUG stream_writer.py:684 begin sub-negotiation SB MXP
DEBUG stream_writer.py:671 sub-negotiation cmd MXP SE completion byte
DEBUG stream_writer.py:2025 [SB + MXP] unsolicited
DEBUG stream_writer.py:1646 MXP: b''
DEBUG client_base.py:460 negotiation complete after 2.00s.
DEBUG client_base.py:88 EOF from server, closing.
INFO client_base.py:105 Connection closed to <Peer 54.186.128.181 4000>
INFO fingerprinting.py:746 connection for server fingerprint 2d1d3bcf28abae7b

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug finalchallenge.net 4000