Core MUD - Steve Edition

coremud.org:4000 🔒

Server Info

  • Codebase: FluffOS v2021 Colony 2.1

  • Genre: Science Fiction

  • Gameplay: Adventure, Hack and Slash, Player versus Environment, Questing, Roleplaying, Simulation

  • Players online: 1 [1]

  • Created: 1996

  • Status: live

  • Website: https://evil.af

  • Location: North America

  • TLS/SSL: Port 4022

Protocol Support

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

  • MSSP: Yes (MSSP)

  • GMCP: Yes (MSSP)

  • MSDP: Negotiated

  • MCCP: No

  • MCCP2: No

  • MXP: Yes (MSSP)

  • MSP: Yes (MSSP)

  • MCP: No

  • ZMP: No

Telnet Fingerprint

b3f0ba36bb618fce…

This fingerprint is shared by 2 other servers.

Options offered by server: CHARSET

Options requested from client: NAWS, NEW_ENVIRON, TTYPE

Data source: b3f0ba36bb618fce/65c509c9330dce6d.json

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

{
  "server-probe": {
    "fingerprint": "b3f0ba36bb618fce",
    "fingerprint-data": {
      "offered-options": [
        "CHARSET"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "AUTHENTICATION",
        "BINARY",
        "BM",
        "COM_PORT",
        "DET",
        "ECHO",
        "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": [
        "NAWS",
        "NEW_ENVIRON",
        "TTYPE"
      ]
    },
    "session_data": {
      "banner_after_return": "\r\nInvalid entry.  Please try again.\r\n",
      "banner_before_return": "Old COREMUD has moved to coremud.org:3000 (3022) TLS.\u001b[0m\r\n\u001b[0m\r\nSteve's single player version of core is being developed here, that is\u001b[0m\r\na version of core that has has been shorted to play over a month or less\u001b[0m\r\nand doesn't require multiple players to run the economy.\u001b[0m\r\n\u001b[0m\r\nExpect player wipes as things are adjusted, and massive balance changes.\u001b[0m\r\n\r\n Driver: fluffos 20240714-4a59909c-12dbae53-uncommited, Mudlib: Colony 2.1 \r\nType new if you are a new player. \r\nBy what name is your character known? ",
      "encoding": "UTF-8",
      "mssp": {
        "ANSI": "1",
        "AREAS": "40",
        "CLASSES": "3",
        "CODEBASE": "FluffOS v2021  Colony 2.1",
        "CONTACT": "dustin.heywood@gmail.com",
        "CREATED": "1996",
        "FAMILY ": "LPMUD",
        "GAMEPLAY": "Adventure, Hack and Slash, Player versus Environment, Questing, Roleplaying, Simulation",
        "GAMESYSTEM": "Custom D&D ish",
        "GENRE": "Science Fiction",
        "GMCP": "1",
        "HIRING BUILDERS": "0",
        "HIRING CODERS": "0",
        "HOSTNAME": "coremud.org",
        "INTERMUD": "i3",
        "IP": "137.186.106.225",
        "LANGUAGE": "ENGLISH",
        "LEVELS": "65",
        "LOCATION": "North America",
        "MSP": "1",
        "MXP": "1",
        "NAME": "Core MUD - Steve Edition",
        "OBJECTS": "18226",
        "PAY FOR PERKS": "0",
        "PAY TO PLAY": "0",
        "PLAYERS": "1",
        "PORT": "4000",
        "RACES": "11",
        "ROOMS": "3250",
        "SKILLS": "18",
        "SSL": "4022",
        "STATUS": "live",
        "SUBGENRE": "Future Dystopian Capitalism + Parody",
        "TLS": "4022",
        "UPTIME": "1770437563",
        "UTF-8": "1",
        "VT100": "0",
        "WEBSITE": "https://evil.af",
        "XTERM 256 COLORS": "1"
      },
      "option_states": {
        "environ_requested": [],
        "server_offered": {
          "0x56": false,
          "0x5a": false,
          "CHARSET": true,
          "GMCP": true,
          "MSDP": true,
          "MSSP": true
        },
        "server_requested": {
          "0x5b": false,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.5032854080200195,
        "total": 1.0577287673950195
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T06:16:41.357501+00:00",
      "host": "coremud.org",
      "ip": "205.206.233.71",
      "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=coremud.org port=4000
INFO client_base.py:174 Connected to <Peer 205.206.233.71 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: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 NEW_ENVIRON
DEBUG stream_writer.py:1733 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3030 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:933 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3030 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3030 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3030 pending_option[WILL + NEW_ENVIRON] = 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: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 GMCP
DEBUG stream_writer.py:708 WILL GMCP unsolicited
DEBUG stream_writer.py:1863 handle_will(GMCP)
DEBUG stream_writer.py:3030 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:933 send IAC DO GMCP
DEBUG stream_writer.py:3030 remote_option[GMCP] = True
DEBUG stream_writer.py:3030 pending_option[DO + GMCP] = 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 WILL CHARSET
DEBUG stream_writer.py:710 WILL CHARSET (bi-directional capability exchange)
DEBUG stream_writer.py:1863 handle_will(CHARSET)
DEBUG stream_writer.py:3030 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:933 send IAC DO CHARSET
DEBUG stream_writer.py:3030 remote_option[CHARSET] = True
DEBUG stream_writer.py:3030 pending_option[DO + CHARSET] = 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: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:684 begin sub-negotiation SB NEW_ENVIRON
DEBUG stream_writer.py:671 sub-negotiation cmd NEW_ENVIRON SE completion byte
DEBUG stream_writer.py:3030 pending_option[SB + NEW_ENVIRON] = False
DEBUG stream_writer.py:2243 recv NEW_ENVIRON SEND (all)
DEBUG stream_writer.py:2266 env send: LANG='C', TERM='VT100', LINES=25, COLUMNS=80, COLORTERM=''
DEBUG client_base.py:460 negotiation complete after 0.33s.
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: {'PLAYERS': '1', 'UPTIME': '1770437563', 'IP': '137.186.106.225', 'HIRING BUILDERS': '0',
    'LEVELS': '65', 'UTF-8': '1', 'CREATED': '1996', 'PAY TO PLAY': '0', 'PAY FOR PERKS': '0', 'CLASSES': '3', 'FAMILY ': 'LPMUD',
    'NAME': 'Core MUD - Steve Edition', 'PORT': '4000', 'MSP': '1', 'GAMESYSTEM': 'Custom D&D ish', 'LOCATION': 'North America',
    'ROOMS': '3250', 'AREAS': '40', 'STATUS': 'live', 'GMCP': '1', 'OBJECTS': '18226', 'CODEBASE': 'FluffOS v2021  Colony 2.1',
    'MXP': '1', 'XTERM 256 COLORS': '1', 'WEBSITE': 'https://evil.af', 'SKILLS': '18', 'INTERMUD': 'i3', 'HOSTNAME':
    'coremud.org', 'RACES': '11', 'SSL': '4022', 'GENRE': 'Science Fiction', 'GAMEPLAY': 'Adventure, Hack and Slash, Player versus
    Environment, Questing, Roleplaying, Simulation', 'LANGUAGE': 'ENGLISH', 'CONTACT': 'dustin.heywood@gmail.com', 'VT100': '0',
    'ANSI': '1', 'SUBGENRE': 'Future Dystopian Capitalism + Parody', 'TLS': '4022', 'HIRING CODERS': '0'}
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 MSP
DEBUG stream_writer.py:671 sub-negotiation cmd MSP SE completion byte
DEBUG stream_writer.py:2025 [SB + MSP] unsolicited
DEBUG stream_writer.py:1642 MSP: b'!!SOUND(off U=https://coremud.org/sounds/)'
DEBUG stream_writer.py:684 begin sub-negotiation SB MSP
DEBUG stream_writer.py:671 sub-negotiation cmd MSP SE completion byte
DEBUG stream_writer.py:2025 [SB + MSP] unsolicited
DEBUG stream_writer.py:1642 MSP: b'!!MUSIC(off U=https://coremud.org/sounds/)'
DEBUG client_base.py:88 EOF from server, closing.
INFO client_base.py:105 Connection closed to <Peer 205.206.233.71 4000>
INFO fingerprinting.py:746 connection for server fingerprint d829a62e22869ca7

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug coremud.org 4000