play.cosrintwo.com

play.cosrintwo.com:31000

Protocol Support

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

  • MSSP: No

  • GMCP: Negotiated

  • MSDP: No

  • MCCP: No

  • MCCP2: No

  • MXP: No

  • MSP: No

  • MCP: No

  • ZMP: No

Telnet Fingerprint

92db3003d94c53ea…

This fingerprint is unique to this server.

Options offered by server: CHARSET

Options requested from client: TTYPE

Data source: 92db3003d94c53ea/b806a9b5e42a99fe.json

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

{
  "server-probe": {
    "fingerprint": "92db3003d94c53ea",
    "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": [
        "TTYPE"
      ]
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\r\n\u001b[0m\u001b[39;49mVersion: 2.7.23\r\nBuild Date: Jul 21 2025 @ 21:16:39\r\n\r\nWelcome to Cosrin! A land of Adventure!\r\nGame engine coded by Doug Goldner, game design by Paul Barnett\r\nConcept, and all material herein is\r\nCopyright(c) 1995-2025 Online Games Company Ltd.\r\nAll rights reserved\r\n\r\nEnter your character name to logon as an existing\r\ncharacter, or, enter NEW to create a new character.\r\n\r\n\r\nLogin name? : ",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {
          "0x5b": false,
          "CHARSET": true,
          "GMCP": true
        },
        "server_requested": {
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.505382776260376,
        "total": 4.009177923202515
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T06:17:52.237402+00:00",
      "host": "play.cosrintwo.com",
      "ip": "45.8.103.244",
      "port": 31000
    }
  ]
}

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=play.cosrintwo.com port=31000
INFO client_base.py:174 Connected to <Peer 45.8.103.244 31000>
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 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 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 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: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 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 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 client_base.py:460 negotiation complete after 2.01s.
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 + 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 + 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
INFO fingerprinting.py:737 new server fingerprint 6db97ee8e7bf35c8
INFO client_base.py:105 Connection closed to <Peer 45.8.103.244 31000>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug play.cosrintwo.com 31000