Nanvaent

nanvaent.org:23

Server Info

  • Players online: 15 [1]

Protocol Support

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

  • MSSP: Yes (MSSP)

  • GMCP: No

  • MSDP: No

  • MCCP: No

  • MCCP2: No

  • MXP: No

  • MSP: No

  • MCP: No

  • ZMP: No

Telnet Fingerprint

5fdf8da1a047ce11…

This fingerprint is shared by 9 other servers.

Options requested from client: NAWS, NEW_ENVIRON, TTYPE

Data source: 5fdf8da1a047ce11/3d2e2145cbfc9321.json

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

{
  "server-probe": {
    "fingerprint": "5fdf8da1a047ce11",
    "fingerprint-data": {
      "offered-options": [],
      "probed-protocol": "server",
      "refused-options": [
        "AUTHENTICATION",
        "BINARY",
        "BM",
        "CHARSET",
        "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": "\nO\ufffd\ufffd\ufffd\u0001iOUHJL\ufffdV(\u0006\ufffd\ufffd\ufffd\u0006\u0017)\ufffd\u0000]\u0007\ufffd\"O\u0011f\u0000\u0000\u0000\u0000\ufffd",
      "banner_before_return": "\ufffd\ufffd\ufffd\u000b\ufffd\ufffdX(\u0003X\ufffdHH\ufffd\ufffd\ufffd\u0003R\ufffd\ufffd\ufffdUd\ufffdI\ufffd\ufffd6J\ufffdV\ufffd\ufffd\ufffd\u001c\ufffd8$\ufffdt\ufffd\ufffd\b~\ufffd{w\ufffd\ufffd\ufffd\ufffdV\ufffd\ufffd\ufffdv\ufffd^\ufffd;\ufffd\u0000o\u0010\ufffd\u0005\ufffdrX\ufffdd\ufffd\ufffdq\ufffd\u001f\ufffd\ufffd\ufffd*\ufffd\u000b,\ufffd\ufffd\ufffd\ufffd\u0002\ufffd-B\ufffd\ufffd\u0010Fs\b\u0000\ufffd\ufffdq\ufffd\u0007\r\ufffdq\ufffd\ufffd\ufffdx\u0011\ufffd$r\ufffdb\ufffdd\ufffd\ufffd\ufffd\u0018P!\ufffd\u0006z\ufffd\u0014q\ufffd\u001a\ufffd\u001a\f\ufffd\ufffd\u000f\ufffd\u0011\u007fv\ufffd\ufffd\u0017\ufffd\u0006\ufffd\ufffd5<\u0003Hp\ufffd\ufffd\ufffd\ufffd\u000b`z\b\ufffd\u000fd\ufffd\u000bC\ufffd6\u001b\ufffd\ufffd\ufffd\ufffd\rc\ufffdb\ufffd\ufffd0%\u0013\ufffd\ufffd\ufffd\ufffd5\u0005\ufffd\u001b\ufffdT\u001aZ\ufffd\ufffd\ufffd\u0007\ufffd\ufffd s\ufffd\ufffd\u0013\ufffd;\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd15\u001a\u0016\"\ufffd&\ufffd\ufffd74'XOX\ufffdl\ufffdp\ufffd\ufffd\b\ufffd\ufffd\ufffd\ufffd\ufffd/\ufffd\u001e\ufffd\ufffd;S\ufffdRr\ufffd&\u0015/\ufffd\u0014\ufffd\ufffd\ufffd\ufffd\ufffd\u007f\ufffd\ufffd\ufffd@\ufffd\ufffdU\u0005\u001fU\ufffd\ufffd\ufffdI\rZy6\ufffd\ufffd\u0007\ufffd(\ufffd\ufffds\ufffd>\ufffd\u0015\ufffd\ufffd\ufffdE`\ufffd%7\ufffdX\ufffdu7\ufffd\ufffd<\ufffd\\C\ufffd\ufffdtu\ufffdZ\u001fW\ufffd\ufffd$\ufffd\ufffd\ufffd\ufffdWU\u0015PdI\ufffdK\u0010\ufffd\ufffd\u001d\ufffd}V\ufffd\ufffd,\u0013\ufffd\ufffd\ufffd\ufffd93m\ufffd\ufffd\ufffd\ufffd$\ufffd\ufffd\ufffd\ufffd\ufffd\u0000;h^\u0018\ufffd\ufffdL.\ufffd\ufffd\ufffd)z|\ufffd\ufffdBFj\ufffd\ufffd\ufffd\ufffd)\ufffd+!\ufffd\ufffdc\u000b\ufffdm0Xi\ufffds\ufffd\ufffd\ufffd\ufffd\u0019IT\ufffd1\u0019\ufffd\u0004_\ufffd\ufffd?\u0000\u0000\u0000\ufffd",
      "encoding": "ascii",
      "mssp": {
        "NAME": "Nanvaent",
        "PLAYERS": "15",
        "UPTIME": "1743039611"
      },
      "option_states": {
        "server_offered": {
          "0x55": false,
          "0x56": false,
          "0x5d": false,
          "MSSP": true
        },
        "server_requested": {
          "0x5b": false,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.5076313018798828,
        "total": 1.0754354000091553
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T06:32:39.046685+00:00",
      "host": "nanvaent.org",
      "ip": "207.162.200.121",
      "port": 23
    }
  ]
}

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=nanvaent.org port=23
INFO client_base.py:174 Connected to <Peer 207.162.200.121 23>
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 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 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 ZMP
DEBUG stream_writer.py:708 WILL ZMP unsolicited
DEBUG stream_writer.py:1863 handle_will(ZMP)
DEBUG stream_writer.py:3030 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:933 send IAC DO ZMP
DEBUG stream_writer.py:3030 remote_option[ZMP] = True
DEBUG stream_writer.py:3030 pending_option[DO + ZMP] = 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: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 MCCP_COMPRESS
DEBUG stream_writer.py:708 WILL MCCP_COMPRESS unsolicited
DEBUG stream_writer.py:1863 handle_will(MCCP_COMPRESS)
DEBUG stream_writer.py:3030 remote_option[MCCP_COMPRESS] = False
DEBUG stream_writer.py:933 send IAC DONT MCCP_COMPRESS
WARNING stream_writer.py:1968 Unhandled: WILL MCCP_COMPRESS.
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': 'Nanvaent', 'PLAYERS': '15', 'UPTIME': '1743039611'}
DEBUG stream_writer.py:684 begin sub-negotiation SB MCCP_COMPRESS
WARNING stream_writer.py:662 sub-negotiation SB MCCP_COMPRESS (6 bytes) interrupted by IAC b'K'
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC RCTE(b'\x07'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC BINARY(b'\x00'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC BINARY(b'\x00'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC BINARY(b'\x00'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC BINARY(b'\x00'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'\xb4'(b'\xb4'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'T'(b'T'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'\xb1'(b'\xb1'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'n'(b'n'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'\xc2'(b'\xc2'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC SEND_URL(b'0'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC NAOLFD(b'\x10'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC b'\xdd'(b'\xdd'): not a legal 2-byte cmd
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/client_base.py", line 399, in _process_chunk
WARNING client_base.py:495     recv_inband = writer.feed_byte(_ONE_BYTE[b])
WARNING client_base.py:495                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
WARNING client_base.py:495   File "/home/jquast/telnetlib3/telnetlib3/stream_writer.py", line 652, in feed_byte
WARNING client_base.py:495     raise ValueError(f"IAC {name_command(cmd)}({cmd!r}): not a legal 2-byte cmd")
WARNING client_base.py:495 ValueError: IAC RSP(b'+'): not a legal 2-byte cmd
DEBUG stream_writer.py:1365 IAC AO: Abort Output, unhandled.
DEBUG client_base.py:463 negotiation failed after 4.00s.
DEBUG client_base.py:470 failed-reply: 'SB NEW_ENVIRON'
DEBUG client_base.py:88 EOF from server, closing.
INFO client_base.py:105 Connection closed to <Peer 207.162.200.121 23>
INFO fingerprinting.py:746 connection for server fingerprint d829a62e22869ca7

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug nanvaent.org 23