Erion MUD

Welcome to Erion MUD, an immersive medieval fantasy world since 2005!

There are 39 players, 1 demi-god, and 2 immortals online.

Enter a new or existing account name (or "forgot" for a reminder):
Please enter your account name or type 'Q' to quit.

erionmud.com:1234 ⎘

Server Info

• Players online: 45 [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/acf55c6e7c933c49.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": "Please enter your account name or type 'Q' to quit.\r\n",
      "banner_before_return": "Welcome to Erion MUD, an immersive medieval fantasy world since 2005!\r\n\r\nThere are 39 players, 1 demi-god, and 2 immortals online.\r\n\r\nEnter a new or existing account name (or \"forgot\" for a reminder):",
      "encoding": "ascii",
      "mssp": {
        "CRAWL DELAY": "-1",
        "NAME": "Erion MUD",
        "PLAYERS": "45",
        "UPTIME": "1770308623"
      },
      "option_states": {
        "server_offered": {
          "0x5a": false,
          "0x5b": false,
          "MSDP": true,
          "MSSP": true
        },
        "server_requested": {
          "0x5b": false,
          "0xc8": false,
          "CHARSET": true,
          "NAWS": true,
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.5043532848358154,
        "total": 1.1535768508911133
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T06:21:13.044659+00:00",
      "host": "erionmud.com",
      "ip": "104.248.122.65",
      "port": 1234
    }
  ]
}

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=erionmud.com port=1234
INFO client_base.py:174 Connected to <Peer 104.248.122.65 1234>
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:1287 IAC GA: Go-Ahead (unhandled).
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: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': 'Erion MUD'}
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': 'Erion MUD', 'PLAYERS': '56', 'UPTIME': '1770308623', '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 stream_writer.py:1287 IAC GA: Go-Ahead (unhandled).
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 + SGA] = True
DEBUG stream_writer.py:933 send IAC DO SGA
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 + EOR] = True
DEBUG stream_writer.py:933 send IAC DO EOR
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 + MXP] = True
DEBUG stream_writer.py:933 send IAC DO MXP
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 b'\xfc'
DEBUG stream_writer.py:1985 handle_wont(WONT)
DEBUG stream_writer.py:3030 remote_option[WONT] = False
DEBUG stream_writer.py:3030 pending_option[DO + WONT] = False
DEBUG stream_writer.py:692 recv IAC WILL ECHO
DEBUG stream_writer.py:1863 handle_will(ECHO)
DEBUG stream_writer.py:907 skip DO ECHO; pending_option = True
DEBUG stream_writer.py:3030 remote_option[ECHO] = True
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 EOR
DEBUG stream_writer.py:1985 handle_wont(EOR)
DEBUG stream_writer.py:3030 remote_option[EOR] = False
DEBUG stream_writer.py:3030 pending_option[DO + EOR] = 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 WILL MXP
DEBUG stream_writer.py:1863 handle_will(MXP)
DEBUG stream_writer.py:907 skip DO MXP; pending_option = True
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 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:746 connection for server fingerprint ba132668606f84be
INFO client_base.py:105 Connection closed to <Peer 104.248.122.65 1234>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug erionmud.com 1234

[1]

measured 2026-02-08 at 06:21 UTC