labmush.mushpark.com

labmush.mushpark.com:3939

Telnet Fingerprint

ff22c77f0dd5aa35…

This fingerprint is shared by 8 other servers.

Options offered by server: BINARY, CHARSET, EOR, SGA

Options requested from client: BINARY, CHARSET, EOR, NAWS, NEW_ENVIRON, SGA, TTYPE

Data source: ff22c77f0dd5aa35/886fe11fd00dd670.json

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

{
  "server-probe": {
    "fingerprint": "ff22c77f0dd5aa35",
    "fingerprint-data": {
      "offered-options": [
        "BINARY",
        "CHARSET",
        "EOR",
        "SGA"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "AUTHENTICATION",
        "BM",
        "COM_PORT",
        "DET",
        "ECHO",
        "ENCRYPT",
        "FORWARD_X",
        "KERMIT",
        "NAMS",
        "NAOCRD",
        "NAOFFD",
        "NAOHTD",
        "NAOHTS",
        "NAOL",
        "NAOLFD",
        "NAOP",
        "NAOVTD",
        "NAOVTS",
        "PRAGMA_HEARTBEAT",
        "PRAGMA_LOGON",
        "RCP",
        "RCTE",
        "RSP",
        "SEND_URL",
        "SSPI_LOGON",
        "STATUS",
        "SUPDUP",
        "SUPDUPOUTPUT",
        "SUPPRESS_LOCAL_ECHO",
        "TLS",
        "TN3270E",
        "TTYLOC",
        "VT3270REGIME",
        "X3PAD",
        "XAUTH"
      ],
      "requested-options": [
        "BINARY",
        "CHARSET",
        "EOR",
        "NAWS",
        "NEW_ENVIRON",
        "SGA",
        "TTYPE"
      ]
    },
    "session_data": {
      "banner_after_return": "---------------------------------\r\n                _              _        ___\r\n               | |   ___  __ _(_)_ _   / __| __ _ _ ___ ___ _ _\r\n               | |__/ _ \\/ _` | | ' \\  \\__ \\/ _| '_/ -_) -_) ' \\\r\n               |____\\___/\\__, |_|_||_| |___/\\__|_| \\___\\___|_||_|\r\n                         |___/\r\n",
      "banner_before_return": "\r\n    _         _                  _                  __  __ _   _ ___ _  _\r\n   | |   __ _| |__  ___ _ _ __ _| |_ ___ _ _ _  _  |  \\/  | | | / __| || |\r\n   | |__/ _` | '_ \\/ _ \\ '_/ _` |  _/ _ \\ '_| || | | |\\/| | |_| \\__ \\ __ |\r\n   |____\\__,_|_.__/\\___/_| \\__,_|\\__\\___/_|  \\_, | |_|  |_|\\___/|___/_||_|\r\n                                             |__/\r\n==============================================================================\r\n\r\n Welcome to Flemming Laboratories, a wonderful new place that makes YOU into\r\n  the latest and greatest thing since sliced bread.  Signing in is easy, but\r\n                          leaving is impossible.\r\n\r\n                                To login:\r\n\r\n                 New Characters: cr <playername> <password>\r\n\r\n               Current Characters: co <playername> <password>\r\n\r\n\r\n    (Do not actually type the <> characters, they are for reference only!)\r\n\r\nAdmin email: l.mush@btinternet.com            WWW: http://labmush.mushpark.com\r\n---------------------------------------------",
      "encoding": "ascii",
      "option_states": {
        "environ_requested": [
          {
            "name": "*",
            "type": "VAR"
          },
          {
            "name": "*",
            "type": "USERVAR"
          }
        ],
        "server_offered": {
          "BINARY": true,
          "CHARSET": true,
          "EOR": true
        },
        "server_requested": {
          "BINARY": true,
          "CHARSET": true,
          "EOR": true,
          "NAWS": true,
          "NEW_ENVIRON": true,
          "SGA": true,
          "TTYPE": true
        }
      },
      "timing": {
        "probe": 0.20409512519836426,
        "total": 0.7057797908782959
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-08T06:05:17.177909+00:00",
      "host": "labmush.mushpark.com",
      "ip": "52.35.137.231",
      "port": 3939
    }
  ]
}

Connection Log

Debug-level log of the Telnet negotiation session, showing each IAC (Interpret As Command) exchange between client and server.

DEBUG client.py:773 Fingerprint client: host=labmush.mushpark.com port=3939
INFO client_base.py:174 Connected to <Peer 52.35.137.231 3939>
DEBUG stream_writer.py:655 recv IAC WILL EOR
DEBUG stream_writer.py:671 WILL EOR unsolicited
DEBUG stream_writer.py:1793 handle_will(EOR)
DEBUG stream_writer.py:2883 pending_option[DO + EOR] = True
DEBUG stream_writer.py:896 send IAC DO EOR
DEBUG stream_writer.py:2883 remote_option[EOR] = True
DEBUG stream_writer.py:2883 pending_option[DO + EOR] = False
DEBUG stream_writer.py:655 recv IAC DO EOR
DEBUG stream_writer.py:1668 handle_do(EOR)
DEBUG stream_writer.py:2883 pending_option[WILL + EOR] = True
DEBUG stream_writer.py:896 send IAC WILL EOR
DEBUG stream_writer.py:2883 local_option[EOR] = True
DEBUG stream_writer.py:2883 pending_option[WILL + EOR] = False
DEBUG stream_writer.py:655 recv IAC DO SGA
DEBUG stream_writer.py:1668 handle_do(SGA)
DEBUG stream_writer.py:2883 pending_option[WILL + SGA] = True
DEBUG stream_writer.py:896 send IAC WILL SGA
DEBUG stream_writer.py:2883 local_option[SGA] = True
DEBUG stream_writer.py:2883 pending_option[WILL + SGA] = False
DEBUG stream_writer.py:655 recv IAC DO TTYPE
DEBUG stream_writer.py:1668 handle_do(TTYPE)
DEBUG stream_writer.py:2883 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:896 send IAC WILL TTYPE
DEBUG stream_writer.py:2883 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:2883 local_option[TTYPE] = True
DEBUG stream_writer.py:2883 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:655 recv IAC DO NAWS
DEBUG stream_writer.py:1668 handle_do(NAWS)
DEBUG stream_writer.py:2883 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:896 send IAC WILL NAWS
DEBUG stream_writer.py:2208 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:2883 local_option[NAWS] = True
DEBUG stream_writer.py:2883 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:655 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1668 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:2883 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:896 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:2883 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:2883 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:2883 pending_option[WILL + NEW_ENVIRON] = False
DEBUG stream_writer.py:655 recv IAC WILL CHARSET
DEBUG stream_writer.py:673 WILL CHARSET (bi-directional capability exchange)
DEBUG stream_writer.py:1793 handle_will(CHARSET)
DEBUG stream_writer.py:2883 pending_option[DO + CHARSET] = True
DEBUG stream_writer.py:896 send IAC DO CHARSET
DEBUG stream_writer.py:2883 remote_option[CHARSET] = True
DEBUG stream_writer.py:2883 pending_option[DO + CHARSET] = False
DEBUG stream_writer.py:655 recv IAC DO CHARSET
DEBUG stream_writer.py:1668 handle_do(CHARSET)
DEBUG stream_writer.py:2883 pending_option[WILL + CHARSET] = True
DEBUG stream_writer.py:896 send IAC WILL CHARSET
DEBUG stream_writer.py:2883 local_option[CHARSET] = True
DEBUG stream_writer.py:2883 pending_option[WILL + CHARSET] = False
DEBUG stream_writer.py:647 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:634 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:2883 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2105 recv TTYPE SEND: b''
DEBUG stream_writer.py:2116 send IAC SB TTYPE IS b'VT100' IAC SE
DEBUG stream_writer.py:647 begin sub-negotiation SB NEW_ENVIRON
DEBUG stream_writer.py:634 sub-negotiation cmd NEW_ENVIRON SE completion byte
DEBUG stream_writer.py:2883 pending_option[SB + NEW_ENVIRON] = False
DEBUG stream_writer.py:2151 recv NEW_ENVIRON SEND (all)
DEBUG stream_writer.py:2174 env send: =''
DEBUG client_base.py:460 negotiation complete after 0.34s.
DEBUG stream_writer.py:647 begin sub-negotiation SB CHARSET
DEBUG stream_writer.py:634 sub-negotiation cmd CHARSET SE completion byte
DEBUG stream_writer.py:1938 [SB + CHARSET] unsolicited
DEBUG client.py:266 encoding negotiated: UTF-8
DEBUG stream_writer.py:2013 send IAC SB CHARSET ACCEPTED UTF-8 IAC SE
DEBUG stream_writer.py:655 recv IAC WILL BINARY
DEBUG stream_writer.py:671 WILL BINARY unsolicited
DEBUG stream_writer.py:1793 handle_will(BINARY)
DEBUG stream_writer.py:2883 pending_option[DO + BINARY] = True
DEBUG stream_writer.py:896 send IAC DO BINARY
DEBUG stream_writer.py:2883 remote_option[BINARY] = True
DEBUG stream_writer.py:2883 pending_option[DO + BINARY] = False
DEBUG stream_writer.py:655 recv IAC DO BINARY
DEBUG stream_writer.py:1668 handle_do(BINARY)
DEBUG stream_writer.py:2883 pending_option[WILL + BINARY] = True
DEBUG stream_writer.py:896 send IAC WILL BINARY
DEBUG stream_writer.py:2883 local_option[BINARY] = True
DEBUG stream_writer.py:2883 pending_option[WILL + BINARY] = False
DEBUG stream_writer.py:2883 pending_option[DO + SGA] = True
DEBUG stream_writer.py:896 send IAC DO SGA
DEBUG stream_writer.py:2883 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:896 send IAC DO ECHO
DEBUG stream_writer.py:2883 pending_option[DO + STATUS] = True
DEBUG stream_writer.py:896 send IAC DO STATUS
DEBUG stream_writer.py:2883 pending_option[DO + COM_PORT_OPTION] = True
DEBUG stream_writer.py:896 send IAC DO COM_PORT_OPTION
DEBUG stream_writer.py:655 recv IAC WILL SGA
DEBUG stream_writer.py:1793 handle_will(SGA)
DEBUG stream_writer.py:870 skip DO SGA; pending_option = True
DEBUG stream_writer.py:2883 remote_option[SGA] = True
DEBUG stream_writer.py:2883 pending_option[DO + SGA] = False
DEBUG stream_writer.py:655 recv IAC WONT ECHO
DEBUG stream_writer.py:1899 handle_wont(ECHO)
DEBUG stream_writer.py:2883 remote_option[ECHO] = False
DEBUG stream_writer.py:2883 pending_option[DO + ECHO] = False
DEBUG stream_writer.py:655 recv IAC WONT STATUS
DEBUG stream_writer.py:1899 handle_wont(STATUS)
DEBUG stream_writer.py:2883 remote_option[STATUS] = False
DEBUG stream_writer.py:2883 pending_option[DO + STATUS] = False
DEBUG stream_writer.py:655 recv IAC WONT COM_PORT_OPTION
DEBUG stream_writer.py:1899 handle_wont(COM_PORT_OPTION)
DEBUG stream_writer.py:2883 remote_option[COM_PORT_OPTION] = False
DEBUG stream_writer.py:2883 pending_option[DO + COM_PORT_OPTION] = False
INFO fingerprinting.py:727 new server fingerprint 508c7f0b2b8b1265
INFO client_base.py:105 Connection closed to <Peer 52.35.137.231 3939>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug labmush.mushpark.com 3939