cthulhumud.com

Welcome to CthulhuMUD! We are a a derivative of Diku, Merc, Sunder, ROM,
and many custom modifications. Parts of the code may be Copyright Sebasitan
Hammer, Michael Seifert, Hans Stoerfeldt, Tom Madsen, and Katja Nyobe
(Diku 1990-1991); Michael Chastain, Michael Quan, and Mitchell Tse (Merc
1992-1993); Russ Taylor (ROM 1993-1996); Lotherious, Zeran (Sunder 1997);
Michael Clarke, Marduk, Foxbird, Quanqued (Cthulhu 2008). For further
information, please type CREDITS or HELP DIKU/MERC/ROM/SUNDER/CTHULHUMUD
after getting connected.

This world is Pueblo 1.10 enhanced.
Autodetecting IMP...v1.30
This world supports COLOR!.
If the word COLOR is in color, enter Y, otherwise, enter N (y/n)
Please answer (Y/N)?

cthulhumud.com:8889 ⎘

Telnet Fingerprint

bca80c05b9afe997…

This fingerprint is unique to this server.

Options offered by server: EOR, SGA

Options requested from client: TTYPE

Data source: bca80c05b9afe997/388c623a12adb180.json

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

{
  "server-probe": {
    "fingerprint": "bca80c05b9afe997",
    "fingerprint-data": {
      "offered-options": [
        "EOR",
        "SGA"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "ECHO",
        "STATUS"
      ],
      "requested-options": [
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\r\nPlease answer (Y/N)?\r\n",
      "banner_before_return": "\n\r\r\nWelcome to CthulhuMUD! We are a a derivative of Diku, Merc, Sunder, ROM,\r\nand many custom modifications. Parts of the code may be Copyright Sebasitan\r\nHammer, Michael Seifert, Hans Stoerfeldt, Tom Madsen, and Katja Nyobe\r\n(Diku 1990-1991); Michael Chastain, Michael Quan, and Mitchell Tse (Merc\r\n1992-1993); Russ Taylor (ROM 1993-1996); Lotherious, Zeran (Sunder 1997);\r\nMichael Clarke, Marduk, Foxbird, Quanqued (Cthulhu 2008). For further\r\ninformation, please type CREDITS or HELP DIKU/MERC/ROM/SUNDER/CTHULHUMUD\r\nafter getting connected.\r\n\r\nThis world is Pueblo 1.10 enhanced.\r\nAutodetecting IMP...v1.30 \r\nThis world supports \u001b[0;32mC\u001b[0;31mO\u001b[0;33mL\u001b[0;34mO\u001b[0;35mR\u001b[0m!.\r\nIf the word COLOR is in color, enter Y, otherwise, enter N (y/n)\r\n\n\r",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {
          "0x56": false,
          "0x5b": false,
          "EOR": true,
          "SGA": true
        },
        "server_requested": {
          "TTYPE": true
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.25200939178466797,
        "total": 2.9485244750976562
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T17:13:35.649788+00:00",
      "host": "cthulhumud.com",
      "ip": "136.40.226.226",
      "port": 8889
    }
  ]
}

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=cthulhumud.com port=8889
INFO client_base.py:174 Connected to <Peer 136.40.226.226 8889>
DEBUG stream_writer.py:692 recv IAC WILL MXP
DEBUG stream_writer.py:708 WILL MXP unsolicited
DEBUG stream_writer.py:1863 handle_will(MXP)
DEBUG stream_writer.py:3030 pending_option[DO + MXP] = True
DEBUG stream_writer.py:933 send IAC DO MXP
DEBUG stream_writer.py:3030 remote_option[MXP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MXP] = False
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 WILL EOR
DEBUG stream_writer.py:708 WILL EOR unsolicited
DEBUG stream_writer.py:1863 handle_will(EOR)
DEBUG stream_writer.py:3030 pending_option[DO + EOR] = True
DEBUG stream_writer.py:933 send IAC DO EOR
DEBUG stream_writer.py:3030 remote_option[EOR] = True
DEBUG stream_writer.py:3030 pending_option[DO + EOR] = 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: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 WILL SGA
DEBUG stream_writer.py:708 WILL SGA unsolicited
DEBUG stream_writer.py:1863 handle_will(SGA)
DEBUG stream_writer.py:3030 pending_option[DO + SGA] = True
DEBUG stream_writer.py:933 send IAC DO SGA
DEBUG stream_writer.py:3030 remote_option[SGA] = True
DEBUG stream_writer.py:3030 pending_option[DO + SGA] = False
DEBUG client_base.py:460 negotiation complete after 2.00s.
DEBUG stream_writer.py:3030 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:933 send IAC DO BINARY
DEBUG stream_writer.py:3030 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:933 send IAC DO ECHO
DEBUG stream_writer.py:3030 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:933 send IAC DO STATUS
DEBUG stream_writer.py:3030 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:933 send IAC DO CHARSET
DEBUG stream_writer.py:3030 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:933 send IAC DO COM_PORT_OPTION
DEBUG stream_writer.py:3030 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:933 send IAC DO GMCP
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:933 send IAC DO MSDP
DEBUG stream_writer.py:3030 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:933 send IAC DO MSSP
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = True
DEBUG stream_writer.py:933 send IAC DO MSP
DEBUG stream_writer.py:3030 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:933 send IAC DO ZMP
DEBUG stream_writer.py:3030 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:933 send IAC DO AARDWOLF
DEBUG stream_writer.py:3030 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:933 send IAC DO ATCP
DEBUG stream_writer.py:692 recv IAC WONT BINARY
DEBUG stream_writer.py:1985 handle_wont(BINARY)
DEBUG stream_writer.py:3030 remote_option[BINARY] = False
DEBUG stream_writer.py:3030 pending_option[DO + BINARY] = False
DEBUG stream_writer.py:692 recv IAC WONT ECHO
DEBUG stream_writer.py:1985 handle_wont(ECHO)
DEBUG stream_writer.py:3030 remote_option[ECHO] = False
DEBUG stream_writer.py:3030 pending_option[DO + ECHO] = False
DEBUG stream_writer.py:692 recv IAC WONT STATUS
DEBUG stream_writer.py:1985 handle_wont(STATUS)
DEBUG stream_writer.py:3030 remote_option[STATUS] = False
DEBUG stream_writer.py:3030 pending_option[DO + STATUS] = False
DEBUG stream_writer.py:692 recv IAC WONT CHARSET
DEBUG stream_writer.py:1985 handle_wont(CHARSET)
DEBUG stream_writer.py:3030 remote_option[CHARSET] = False
DEBUG stream_writer.py:3030 pending_option[DO + CHARSET] = False
DEBUG stream_writer.py:692 recv IAC WONT COM_PORT_OPTION
DEBUG stream_writer.py:1985 handle_wont(COM_PORT_OPTION)
DEBUG stream_writer.py:3030 remote_option[COM_PORT_OPTION] = False
DEBUG stream_writer.py:3030 pending_option[DO + COM_PORT_OPTION] = False
DEBUG stream_writer.py:692 recv IAC WONT GMCP
DEBUG stream_writer.py:1985 handle_wont(GMCP)
DEBUG stream_writer.py:3030 remote_option[GMCP] = False
DEBUG stream_writer.py:3030 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:692 recv IAC WONT MSDP
DEBUG stream_writer.py:1985 handle_wont(MSDP)
DEBUG stream_writer.py:3030 remote_option[MSDP] = False
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:692 recv IAC WONT MSSP
DEBUG stream_writer.py:1985 handle_wont(MSSP)
DEBUG stream_writer.py:3030 remote_option[MSSP] = False
DEBUG stream_writer.py:3030 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:692 recv IAC WONT MSP
DEBUG stream_writer.py:1985 handle_wont(MSP)
DEBUG stream_writer.py:3030 remote_option[MSP] = False
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = False
DEBUG stream_writer.py:692 recv IAC WONT ZMP
DEBUG stream_writer.py:1985 handle_wont(ZMP)
DEBUG stream_writer.py:3030 remote_option[ZMP] = False
DEBUG stream_writer.py:3030 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:692 recv IAC WONT AARDWOLF
DEBUG stream_writer.py:1985 handle_wont(AARDWOLF)
DEBUG stream_writer.py:3030 remote_option[AARDWOLF] = False
DEBUG stream_writer.py:3030 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:692 recv IAC WONT ATCP
DEBUG stream_writer.py:1985 handle_wont(ATCP)
DEBUG stream_writer.py:3030 remote_option[ATCP] = False
DEBUG stream_writer.py:3030 pending_option[DO + ATCP] = False
INFO fingerprinting.py:737 new server fingerprint adbc7ee02ed35303
INFO client_base.py:105 Connection closed to <Peer 136.40.226.226 8889>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug cthulhumud.com 8889