ChaosMUD

Connection Banner:

Attempting to detect client, please wait... <VERSION>

Server URLs

Server Info

  • Codebase: Merc 2.2

  • Players online: 3 [1]

  • Uptime: 90 days

  • Server Location: πŸ‡ΊπŸ‡Έ United States of America (MSSP)

  • Language: English

Protocol Support

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

  • MSSP: Yes (MSSP)

  • GMCP: Yes (MSSP)

  • MSDP: Yes (MSSP)

  • MCCP: No

  • MCCP2: No

  • MXP: Yes (MSSP)

  • MSP: Yes (MSSP)

  • MCP: No

  • ZMP: No

Telnet Fingerprint

53ad3fa4d2cba92f

This fingerprint is unique to this server.

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

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

Show JSON
{
  "server-probe": {
    "fingerprint": "53ad3fa4d2cba92f",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [
        "CHARSET",
        "MXP",
        "NAWS",
        "NEW_ENVIRON",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "atcp": [
        {
          "package": "MSDP.SERVER_ID",
          "value": "ChaosMUD"
        }
      ],
      "banner_after_return": "",
      "banner_before_return": "Attempting to detect client, please wait...\r\n\u001b[7z\u001b[1z<VERSION>\u001b[7z\r\n",
      "dsr_replies": 0,
      "dsr_requests": 0,
      "encoding": "ascii",
      "mssp": {
        "ANSI": "1",
        "CODEBASE": "Merc 2.2",
        "CRAWL DELAY": "-1",
        "GMCP": "1",
        "HOSTNAME": "170.187.150.187",
        "IP": "170.187.150.187",
        "LANGUAGE": "English",
        "LOCATION": "United States of America",
        "MCCP": "0",
        "MCP": "0",
        "MSDP": "1",
        "MSP": "1",
        "MXP": "1",
        "NAME": "ChaosMUD",
        "PLAYERS": "3",
        "PORT": "1111",
        "PUEBLO": "0",
        "UPTIME": "1765071983",
        "UTF-8": "1",
        "VT100": "0",
        "XTERM 256 COLORS": "1"
      },
      "mxp": [
        "activated"
      ],
      "option_states": {
        "server_offered": {
          "AARDWOLF": false,
          "ATCP": false,
          "GMCP": true,
          "MCCP3": false,
          "MSDP": true,
          "MSP": true,
          "MSSP": true,
          "MXP": true,
          "ZMP": false
        },
        "server_requested": {
          "AARDWOLF": false,
          "CHARSET": true,
          "MCCP2": false,
          "MCCP3": false,
          "MSDP": false,
          "MSP": false,
          "MSSP": false,
          "MXP": true,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "TTYPE": true,
          "ZMP": false
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.0,
        "total": 5.828248977661133
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-03-07T03:59:54.670056+00:00",
      "host": "170.187.150.187",
      "ip": "170.187.150.187",
      "port": 1111
    }
  ]
}

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 170.187.150.187 1111
Show Logfile
DEBUG client.py:1193 Fingerprint client: host=170.187.150.187 port=1111
INFO client_base.py:186 Connected to <Peer 170.187.150.187 1111>
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: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 WILL ATCP
DEBUG stream_writer.py:1994 handle_will(ATCP)
DEBUG stream_writer.py:993 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:3330 remote_option[ATCP] = True
DEBUG stream_writer.py:3330 pending_option[DO + 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 'ChaosMUD'
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 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 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: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 WILL GMCP
DEBUG stream_writer.py:784 WILL GMCP unsolicited
DEBUG stream_writer.py:1994 handle_will(GMCP)
DEBUG stream_writer.py:3330 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1019 send IAC DO GMCP
DEBUG stream_writer.py:3330 remote_option[GMCP] = True
DEBUG stream_writer.py:1067 send IAC SB GMCP Core.Hello IAC SE
DEBUG stream_writer.py:1067 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: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': 'ChaosMUD'}
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': 'ChaosMUD', 'PLAYERS': '3', 'UPTIME': '1765071983', 'CRAWL DELAY': '-1', 'HOSTNAME':
    '170.187.150.187', 'PORT': '1111', 'CODEBASE': 'Merc 2.2', 'IP': '170.187.150.187', 'LANGUAGE': 'English', 'LOCATION': 'United
    States of America', 'ANSI': '1', 'GMCP': '1', 'MCCP': '0', 'MCP': '0', 'MSDP': '1', 'MSP': '1', 'MXP': '1', 'PUEBLO': '0',
    'UTF-8': '1', 'VT100': '0', 'XTERM 256 COLORS': '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: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 stream_writer.py:768 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1836 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3330 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:1019 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3330 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3330 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3330 pending_option[WILL + NEW_ENVIRON] = 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: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 stream_writer.py:762 begin sub-negotiation SB NEW_ENVIRON
DEBUG client_base.py:499 negotiation failed after 4.00s.
DEBUG client_base.py:505 failed-reply: 'WILL ATCP, WILL GMCP, DO MCCP2_COMPRESS, SB NEW_ENVIRON'
DEBUG client_base.py:89 EOF from server, closing.
INFO client_base.py:118 Connection closed to <Peer 170.187.150.187 1111>
INFO fingerprinting.py:746 new server fingerprint 53ad3fa4d2cba92f