The Final Challenge

Connection Banner:

Server URLs

Telnet: telnet://finalchallenge.net:4000
Website: http://www.tfcmud.com

Server Info

Players online: 1 [1]
Uptime: 22 days
Server Location: 🇺🇸 United States (GeoIP)

Protocol Support

MUD-specific protocols detected via MSSP flags or Telnet negotiation.

MSSP: Yes (MSSP)
GMCP: No
MSDP: Negotiated
MCCP: No
MCCP2: Negotiated
MXP: Negotiated
MSP: Negotiated
MCP: No
ZMP: No

Telnet Fingerprint

2d1d3bcf28abae7b

This fingerprint is shared by 51 other servers.

Options requested from client: ATCP, CHARSET, MXP, NAWS, TTYPE

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

Show JSON

{
  "server-probe": {
    "fingerprint": "2d1d3bcf28abae7b",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [
        "ATCP",
        "CHARSET",
        "MXP",
        "NAWS",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "atcp": [
        {
          "package": "MSDP.SERVER_ID",
          "value": "The Final Challenge"
        }
      ],
      "banner_after_return": "",
      "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                                                             \\_/__/\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\rBy what name do you wish to be known? \u001b[7z",
      "dsr_replies": 0,
      "dsr_requests": 0,
      "encoding": "UTF-8",
      "mssp": {
        "CRAWL DELAY": "-1",
        "NAME": "The Final Challenge",
        "PLAYERS": "1",
        "UPTIME": "1770930858"
      },
      "mxp": [
        "activated"
      ],
      "option_states": {
        "server_offered": {
          "AARDWOLF": false,
          "ATCP": false,
          "GMCP": false,
          "MCCP2": true,
          "MCCP3": false,
          "MSDP": true,
          "MSP": true,
          "MSSP": true,
          "MXP": true,
          "ZMP": false
        },
        "server_requested": {
          "AARDWOLF": false,
          "ATCP": true,
          "CHARSET": true,
          "GMCP": false,
          "MCCP2": false,
          "MCCP3": false,
          "MSDP": false,
          "MSP": false,
          "MSSP": false,
          "MXP": true,
          "NAWS": true,
          "TTYPE": true,
          "ZMP": false
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.0,
        "total": 5.673304557800293
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T04:01:16.931382+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.

Generated by telnetlib3-fingerprint

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

Show Logfile

DEBUG client.py:1193 Fingerprint client: host=finalchallenge.net port=4000
INFO client_base.py:186 Connected to <Peer 54.186.128.181 4000>
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:762 begin sub-negotiation SB MCCP2_COMPRESS
DEBUG stream_writer.py:749 sub-negotiation cmd MCCP2_COMPRESS SE completion byte
DEBUG stream_writer.py:2187 [SB + MCCP2_COMPRESS] unsolicited
DEBUG stream_writer.py:3178 MCCP2 activated
DEBUG client_base.py:448 MCCP2 decompression started (server→client)
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 MXP
DEBUG stream_writer.py:1836 handle_do(MXP)
DEBUG stream_writer.py:993 skip WILL MXP; pending_option = True
DEBUG stream_writer.py:3330 local_option[MXP] = True
DEBUG stream_writer.py:3330 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:762 begin sub-negotiation SB MXP
DEBUG stream_writer.py:749 sub-negotiation cmd MXP SE completion byte
DEBUG stream_writer.py:2187 [SB + MXP] unsolicited
DEBUG stream_writer.py:1754 MXP: b''
DEBUG stream_writer.py:768 recv IAC DO ATCP
DEBUG stream_writer.py:1836 handle_do(ATCP)
DEBUG stream_writer.py:993 skip WILL ATCP; pending_option = True
DEBUG stream_writer.py:3330 local_option[ATCP] = True
DEBUG stream_writer.py:3330 pending_option[WILL + ATCP] = False
DEBUG stream_writer.py:762 begin sub-negotiation SB ATCP
DEBUG stream_writer.py:749 sub-negotiation cmd ATCP SE completion byte
DEBUG stream_writer.py:2187 [SB + ATCP] unsolicited
DEBUG stream_writer.py:1769 ATCP: MSDP.SERVER_ID 'The Final Challenge'
DEBUG stream_writer.py:768 recv IAC DONT MCCP3_COMPRESS
DEBUG stream_writer.py:1959 handle_dont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3330 pending_option[WILL + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3330 local_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:768 recv IAC DONT GMCP
DEBUG stream_writer.py:1959 handle_dont(GMCP)
DEBUG stream_writer.py:3330 pending_option[WILL + GMCP] = False
DEBUG stream_writer.py:3330 local_option[GMCP] = False
DEBUG stream_writer.py:768 recv IAC DONT AARDWOLF
DEBUG stream_writer.py:1959 handle_dont(AARDWOLF)
DEBUG stream_writer.py:3330 pending_option[WILL + AARDWOLF] = False
DEBUG stream_writer.py:3330 local_option[AARDWOLF] = False
DEBUG stream_writer.py:768 recv IAC DONT MSP
DEBUG stream_writer.py:1959 handle_dont(MSP)
DEBUG stream_writer.py:3330 pending_option[WILL + MSP] = False
DEBUG stream_writer.py:3330 local_option[MSP] = False
DEBUG stream_writer.py:768 recv IAC DONT MSDP
DEBUG stream_writer.py:1959 handle_dont(MSDP)
DEBUG stream_writer.py:3330 pending_option[WILL + MSDP] = False
DEBUG stream_writer.py:3330 local_option[MSDP] = False
DEBUG stream_writer.py:768 recv IAC DONT MSSP
DEBUG stream_writer.py:1959 handle_dont(MSSP)
DEBUG stream_writer.py:3330 pending_option[WILL + MSSP] = False
DEBUG stream_writer.py:3330 local_option[MSSP] = False
DEBUG stream_writer.py:768 recv IAC DONT ZMP
DEBUG stream_writer.py:1959 handle_dont(ZMP)
DEBUG stream_writer.py:3330 pending_option[WILL + ZMP] = False
DEBUG stream_writer.py:3330 local_option[ZMP] = False
DEBUG stream_writer.py:768 recv IAC DONT MCCP2_COMPRESS
DEBUG stream_writer.py:1959 handle_dont(MCCP2_COMPRESS)
DEBUG stream_writer.py:3330 pending_option[WILL + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:3330 local_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:768 recv IAC WILL MXP
DEBUG stream_writer.py:1994 handle_will(MXP)
DEBUG stream_writer.py:993 skip DO MXP; pending_option = True
DEBUG stream_writer.py:3330 remote_option[MXP] = True
DEBUG stream_writer.py:3330 pending_option[DO + MXP] = False
DEBUG stream_writer.py:768 recv IAC WONT ATCP
DEBUG stream_writer.py:2148 handle_wont(ATCP)
DEBUG stream_writer.py:3330 remote_option[ATCP] = False
DEBUG stream_writer.py:3330 pending_option[DO + ATCP] = False
DEBUG stream_writer.py:768 recv IAC WONT MCCP3_COMPRESS
DEBUG stream_writer.py:2148 handle_wont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3330 remote_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3330 pending_option[DO + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:768 recv IAC WONT GMCP
DEBUG stream_writer.py:2148 handle_wont(GMCP)
DEBUG stream_writer.py:3330 remote_option[GMCP] = False
DEBUG stream_writer.py:3330 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:768 recv IAC WONT AARDWOLF
DEBUG stream_writer.py:2148 handle_wont(AARDWOLF)
DEBUG stream_writer.py:3330 remote_option[AARDWOLF] = False
DEBUG stream_writer.py:3330 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:768 recv IAC WILL MSP
DEBUG stream_writer.py:1994 handle_will(MSP)
DEBUG stream_writer.py:993 skip DO MSP; pending_option = True
DEBUG stream_writer.py:3330 remote_option[MSP] = True
DEBUG stream_writer.py:3330 pending_option[DO + MSP] = False
DEBUG stream_writer.py:768 recv IAC WILL MSDP
DEBUG stream_writer.py:1994 handle_will(MSDP)
DEBUG stream_writer.py:993 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:3330 remote_option[MSDP] = True
DEBUG stream_writer.py:3330 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:762 begin sub-negotiation SB MSDP
DEBUG stream_writer.py:749 sub-negotiation cmd MSDP SE completion byte
DEBUG stream_writer.py:2187 [SB + MSDP] unsolicited
DEBUG stream_writer.py:1741 MSDP: {'SERVER_ID': 'The Final Challenge'}
DEBUG stream_writer.py:768 recv IAC WILL MSSP
DEBUG stream_writer.py:1994 handle_will(MSSP)
DEBUG stream_writer.py:993 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:3330 remote_option[MSSP] = True
DEBUG stream_writer.py:3330 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:762 begin sub-negotiation SB MSSP
DEBUG stream_writer.py:749 sub-negotiation cmd MSSP SE completion byte
DEBUG stream_writer.py:2187 [SB + MSSP] unsolicited
DEBUG stream_writer.py:1745 MSSP: {'NAME': 'The Final Challenge', 'PLAYERS': '1', 'UPTIME': '1770930858', 'CRAWL DELAY': '-1'}
DEBUG stream_writer.py:768 recv IAC WONT ZMP
DEBUG stream_writer.py:2148 handle_wont(ZMP)
DEBUG stream_writer.py:3330 remote_option[ZMP] = False
DEBUG stream_writer.py:3330 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:768 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:1994 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:993 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:3330 remote_option[MCCP2_COMPRESS] = True
DEBUG stream_writer.py:3330 pending_option[DO + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:762 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:749 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3330 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2353 recv TTYPE SEND: b''
DEBUG stream_writer.py:2365 send IAC SB TTYPE IS b'xterm-256color' IAC SE
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 CHARSET
DEBUG stream_writer.py:1836 handle_do(CHARSET)
DEBUG stream_writer.py:3330 pending_option[WILL + CHARSET] = True
DEBUG stream_writer.py:1019 send IAC WILL CHARSET
DEBUG stream_writer.py:3330 local_option[CHARSET] = True
DEBUG stream_writer.py:3330 pending_option[WILL + CHARSET] = False
DEBUG client_base.py:496 negotiation complete after 0.82s.
DEBUG stream_writer.py:762 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:749 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:2187 [SB + TTYPE] unsolicited
DEBUG stream_writer.py:2353 recv TTYPE SEND: b''
DEBUG stream_writer.py:2365 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:762 begin sub-negotiation SB CHARSET
DEBUG stream_writer.py:749 sub-negotiation cmd CHARSET SE completion byte
DEBUG stream_writer.py:2187 [SB + CHARSET] unsolicited
DEBUG client.py:376 encoding negotiated: UTF-8
DEBUG stream_writer.py:2270 send IAC SB CHARSET ACCEPTED UTF-8 IAC SE
DEBUG client_base.py:89 EOF from server, closing.
INFO client_base.py:118 Connection closed to <Peer 54.186.128.181 4000>
INFO fingerprinting.py:755 connection for server fingerprint 2d1d3bcf28abae7b