krion.io:1337
=============

**Connection Banner:**

.. raw:: html

   <pre class="ansi-banner" role="img" aria-label="ANSI art banner for krion.io:1337">Lightweight BBS For Linux  Version 0.7.3
   TELNET connection from: 64.227.40.173
   </pre>

.. raw:: html

   <p class="mud-connect">
   <a href="telnet://krion.io:1337" class="telnet-link">krion.io:1337</a>
   <button class="copy-btn" data-host="krion.io" data-port="1337" title="Copy host and port" aria-label="Copy krion.io port 1337 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x2398;</span>
   </button>
   </p>

Encoding
--------

- **Effective encoding**: cp437
- **Scanner detected**: ascii

Telnet Fingerprint
------------------

:ref:`f40249d2549fe0fb... <fp_f40249d2549fe0fb>`

*This fingerprint is shared by 1 other server.*

**Options offered by server**: ``ECHO``, ``SGA``

**Options requested from client**: ``TSPEED``, ``TTYPE``

**Data source**: `f40249d2549fe0fb/6db24d18de7423fd.json <https://github.com/jquast/modem.xyz/tree/master/data-bbs/server/f40249d2549fe0fb/6db24d18de7423fd.json>`_

The complete JSON record collected during the scan,
including Telnet negotiation results and banner data.

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "f40249d2549fe0fb",
       "fingerprint-data": {
         "offered-options": [
           "ECHO",
           "SGA"
         ],
         "probed-protocol": "server",
         "refused-options": [
           "AARDWOLF",
           "ATCP",
           "BINARY",
           "CHARSET",
           "COM_PORT",
           "EOR",
           "GMCP",
           "MSDP",
           "MSP",
           "MSSP",
           "MXP",
           "STATUS",
           "ZMP"
         ],
         "requested-options": [
           "TSPEED",
           "TTYPE"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "",
         "banner_before_return": "\u001b[1;1H\u001b[2J\u001b[0mLightweight BBS For Linux  Version 0.7.3\r\nTELNET connection from: 64.227.40.173\r\n\u001b[6n",
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true,
             "SGA": true
           },
           "server_requested": {
             "NAWS": false,
             "TSPEED": true,
             "TTYPE": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5057737827301025,
           "total": 5.010907888412476
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-09T19:35:55.389032+00:00",
         "host": "krion.io",
         "ip": "54.37.56.77",
         "port": 1337
       }
     ]
   }

Connection Log
--------------

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

.. code-block:: text

   DEBUG client.py:863 Fingerprint client: host=krion.io port=1337
   INFO client_base.py:174 Connected to <Peer 54.37.56.77 1337>
   DEBUG stream_writer.py:706 recv IAC WILL ECHO
   DEBUG stream_writer.py:722 WILL ECHO unsolicited
   DEBUG stream_writer.py:1897 handle_will(ECHO)
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
   DEBUG stream_writer.py:947 send IAC DO ECHO
   DEBUG stream_writer.py:3167 remote_option[ECHO] = True
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = False
   DEBUG stream_writer.py:706 recv IAC WILL SGA
   DEBUG stream_writer.py:722 WILL SGA unsolicited
   DEBUG stream_writer.py:1897 handle_will(SGA)
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = True
   DEBUG stream_writer.py:947 send IAC DO SGA
   DEBUG stream_writer.py:3167 remote_option[SGA] = True
   DEBUG stream_writer.py:3167 pending_option[DO + SGA] = False
   DEBUG stream_writer.py:706 recv IAC DO TTYPE
   DEBUG stream_writer.py:1767 handle_do(TTYPE)
   DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = True
   DEBUG stream_writer.py:947 send IAC WILL TTYPE
   DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = True
   DEBUG stream_writer.py:3167 local_option[TTYPE] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = False
   DEBUG stream_writer.py:698 begin sub-negotiation SB TTYPE
   DEBUG stream_writer.py:685 sub-negotiation cmd TTYPE SE completion byte
   DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = False
   DEBUG stream_writer.py:2234 recv TTYPE SEND: b''
   DEBUG stream_writer.py:2247 send IAC SB TTYPE IS b'xterm-256color' IAC SE
   DEBUG stream_writer.py:706 recv IAC DO NAWS
   DEBUG stream_writer.py:1767 handle_do(NAWS)
   DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = True
   DEBUG stream_writer.py:947 send IAC WILL NAWS
   DEBUG stream_writer.py:2339 send IAC SB NAWS (rows=25, cols=80) IAC SE
   DEBUG stream_writer.py:3167 local_option[NAWS] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = False
   DEBUG stream_writer.py:706 recv IAC DO NAWS
   DEBUG stream_writer.py:1767 handle_do(NAWS)
   DEBUG stream_writer.py:2339 send IAC SB NAWS (rows=25, cols=80) IAC SE
   DEBUG stream_writer.py:706 recv IAC DONT NAWS
   DEBUG stream_writer.py:1860 handle_dont(NAWS)
   DEBUG stream_writer.py:3167 local_option[NAWS] = False
   DEBUG stream_writer.py:706 recv IAC DO TSPEED
   DEBUG stream_writer.py:1767 handle_do(TSPEED)
   DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = True
   DEBUG stream_writer.py:947 send IAC WILL TSPEED
   DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = True
   DEBUG stream_writer.py:3167 local_option[TSPEED] = True
   DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = False
   DEBUG stream_writer.py:698 begin sub-negotiation SB TSPEED
   DEBUG stream_writer.py:685 sub-negotiation cmd TSPEED SE completion byte
   DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = False
   DEBUG stream_writer.py:2166 recv TSPEED SEND: b''
   DEBUG stream_writer.py:2197 send: IAC SB TSPEED IS b'38400',b'38400' IAC SE
   DEBUG stream_writer.py:706 recv IAC WONT ECHO
   DEBUG stream_writer.py:2022 handle_wont(ECHO)
   DEBUG stream_writer.py:3167 remote_option[ECHO] = False
   DEBUG stream_writer.py:706 recv IAC WILL ECHO
   DEBUG stream_writer.py:722 WILL ECHO unsolicited
   DEBUG stream_writer.py:1897 handle_will(ECHO)
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
   DEBUG stream_writer.py:947 send IAC DO ECHO
   DEBUG stream_writer.py:3167 remote_option[ECHO] = True
   DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = False
   DEBUG client_base.py:460 negotiation complete after 2.00s.
   DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = True
   DEBUG stream_writer.py:947 send IAC DO BINARY
   DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = True
   DEBUG stream_writer.py:947 send IAC DO STATUS
   DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = True
   DEBUG stream_writer.py:947 send IAC DO CHARSET
   DEBUG stream_writer.py:3167 pending_option[DO + EOR] = True
   DEBUG stream_writer.py:947 send IAC DO EOR
   DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = True
   DEBUG stream_writer.py:947 send IAC DO COM_PORT_OPTION
   DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = True
   DEBUG stream_writer.py:947 send IAC DO GMCP
   DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = True
   DEBUG stream_writer.py:947 send IAC DO MSDP
   DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = True
   DEBUG stream_writer.py:947 send IAC DO MSSP
   DEBUG stream_writer.py:3167 pending_option[DO + MSP] = True
   DEBUG stream_writer.py:947 send IAC DO MSP
   DEBUG stream_writer.py:3167 pending_option[DO + MXP] = True
   DEBUG stream_writer.py:947 send IAC DO MXP
   DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = True
   DEBUG stream_writer.py:947 send IAC DO ZMP
   DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = True
   DEBUG stream_writer.py:947 send IAC DO AARDWOLF
   DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = True
   DEBUG stream_writer.py:947 send IAC DO ATCP
   INFO fingerprinting.py:746 connection for server fingerprint f40249d2549fe0fb
   INFO client_base.py:105 Connection closed to <Peer 54.37.56.77 1337>

*Generated by* `telnetlib3-fingerprint <https://github.com/jquast/telnetlib3>`_

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug krion.io 1337