mud.niflheim.one
================

**Connection Banner:**

.. image:: /_static/banners/banner_17e413cfd549.png
   :alt: Welcome to Niflheim MUD v0.575.3 early alpha! If you already have an account, enter your login name to log in. You can type 'new' to create a new account or 'reset' to reset your password. (Warning: Things may change drastically and nothing is permanent yet!) Login: Password:
   :class: ansi-banner
   :width: 616px
   :loading: lazy


Server URLs
-----------

.. raw:: html

   <ul class="mud-connect">
   <li><strong>Telnet</strong>: <a href="telnet://mud.niflheim.one:3000" class="telnet-link">telnet://mud.niflheim.one:3000</a>
   <button class="copy-btn" data-host="mud.niflheim.one" data-port="3000" title="Copy host and port" aria-label="Copy mud.niflheim.one port 3000 to clipboard">
   <span class="copy-icon" aria-hidden="true">&#x1F4CB;</span>
   </button></li>
   </ul>

Server Info
-----------

- **Server Location**: 🇺🇸 United States (GeoIP)

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

:ref:`759aef872114a5f7 <fp_759aef872114a5f7>`

*This fingerprint is unique to this server.*

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

**Options requested from client**: ``LINEMODE``


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

.. raw:: html

   <details><summary>Show JSON</summary>

.. code-block:: json

   {
     "server-probe": {
       "fingerprint": "759aef872114a5f7",
       "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": [
           "LINEMODE"
         ],
         "scan-type": "quick"
       },
       "session_data": {
         "banner_after_return": "Password: ",
         "banner_before_return": "\r\nWelcome to Niflheim MUD v0.575.3 early alpha!\r\n\r\nIf you already have an account, enter your login name to log in.\r\n\r\nYou can type 'new' to create a new account or 'reset' to reset your password.\r\n\r\n(Warning: Things may change drastically and nothing is permanent yet!)\r\n\r\nLogin: ",
         "dsr_replies": 0,
         "dsr_requests": 0,
         "encoding": "ascii",
         "option_states": {
           "server_offered": {
             "ECHO": true
           },
           "server_requested": {
             "LINEMODE": true
           }
         },
         "scan_type": "quick",
         "timing": {
           "probe": 0.5074982643127441,
           "total": 5.094390869140625
         }
       }
     },
     "sessions": [
       {
         "connected": "2026-02-14T17:11:28.347006+00:00",
         "host": "mud.niflheim.one",
         "ip": "208.113.129.93",
         "port": 3000
       }
     ]
   }

.. raw:: html

   </details>


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

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

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

.. code-block:: shell

   telnetlib3-fingerprint --loglevel=debug mud.niflheim.one 3000

.. raw:: html

   <details><summary>Show Logfile</summary>

.. code-block:: text

   DEBUG client.py:965 Fingerprint client: host=mud.niflheim.one port=3000
   INFO client_base.py:175 Connected to <Peer 208.113.129.93 3000>
   DEBUG client_base.py:492 negotiation complete after 0.00s.
   DEBUG stream_writer.py:707 recv IAC WONT ECHO
   DEBUG stream_writer.py:2025 handle_wont(ECHO)
   DEBUG stream_writer.py:3174 remote_option[ECHO] = False
   DEBUG stream_writer.py:3174 pending_option[DO + ECHO] = False
   DEBUG stream_writer.py:707 recv IAC DO LINEMODE
   DEBUG stream_writer.py:1770 handle_do(LINEMODE)
   DEBUG stream_writer.py:3174 pending_option[WILL + LINEMODE] = True
   DEBUG stream_writer.py:950 send IAC WILL LINEMODE
   DEBUG stream_writer.py:3174 pending_option[SB + LINEMODE] = True
   DEBUG stream_writer.py:3174 local_option[LINEMODE] = True
   DEBUG stream_writer.py:3174 pending_option[WILL + LINEMODE] = False
   DEBUG stream_writer.py:1323 IAC GA: Go-Ahead (unhandled).
   DEBUG stream_writer.py:699 begin sub-negotiation SB LINEMODE
   DEBUG stream_writer.py:686 sub-negotiation cmd LINEMODE SE completion byte
   DEBUG stream_writer.py:3174 pending_option[SB + LINEMODE] = False
   DEBUG stream_writer.py:2544 recv IAC SB LINEMODE LINEMODE-MODE b'\x01' IAC SE
   DEBUG stream_writer.py:1277 set Linemode <b'\x05': lit_echo:False, soft_tab:False, ack:True, trapsig:False, remote:False,
       local:True>
   DEBUG stream_writer.py:1280 send IAC SB LINEMODE LINEMODE-MODE <b'\x05': lit_echo:False, soft_tab:False, ack:True, trapsig:False,
       remote:False, local:True> IAC SE
   DEBUG stream_writer.py:707 recv IAC WILL ECHO
   DEBUG stream_writer.py:723 WILL ECHO unsolicited
   DEBUG stream_writer.py:1900 handle_will(ECHO)
   DEBUG stream_writer.py:3174 pending_option[DO + ECHO] = True
   DEBUG stream_writer.py:950 send IAC DO ECHO
   DEBUG stream_writer.py:3174 remote_option[ECHO] = True
   DEBUG stream_writer.py:3174 pending_option[DO + ECHO] = False
   DEBUG stream_writer.py:1323 IAC GA: Go-Ahead (unhandled).
   DEBUG stream_writer.py:3174 pending_option[DO + BINARY] = True
   DEBUG stream_writer.py:950 send IAC DO BINARY
   DEBUG stream_writer.py:3174 pending_option[DO + SGA] = True
   DEBUG stream_writer.py:950 send IAC DO SGA
   DEBUG stream_writer.py:3174 pending_option[DO + STATUS] = True
   DEBUG stream_writer.py:950 send IAC DO STATUS
   DEBUG stream_writer.py:3174 pending_option[DO + CHARSET] = True
   DEBUG stream_writer.py:950 send IAC DO CHARSET
   DEBUG stream_writer.py:3174 pending_option[DO + EOR] = True
   DEBUG stream_writer.py:950 send IAC DO EOR
   DEBUG stream_writer.py:3174 pending_option[DO + COM_PORT_OPTION] = True
   DEBUG stream_writer.py:950 send IAC DO COM_PORT_OPTION
   DEBUG stream_writer.py:3174 pending_option[DO + GMCP] = True
   DEBUG stream_writer.py:950 send IAC DO GMCP
   DEBUG stream_writer.py:3174 pending_option[DO + MSDP] = True
   DEBUG stream_writer.py:950 send IAC DO MSDP
   DEBUG stream_writer.py:3174 pending_option[DO + MSSP] = True
   DEBUG stream_writer.py:950 send IAC DO MSSP
   DEBUG stream_writer.py:3174 pending_option[DO + MSP] = True
   DEBUG stream_writer.py:950 send IAC DO MSP
   DEBUG stream_writer.py:3174 pending_option[DO + MXP] = True
   DEBUG stream_writer.py:950 send IAC DO MXP
   DEBUG stream_writer.py:3174 pending_option[DO + ZMP] = True
   DEBUG stream_writer.py:950 send IAC DO ZMP
   DEBUG stream_writer.py:3174 pending_option[DO + AARDWOLF] = True
   DEBUG stream_writer.py:950 send IAC DO AARDWOLF
   DEBUG stream_writer.py:3174 pending_option[DO + ATCP] = True
   DEBUG stream_writer.py:950 send IAC DO ATCP
   DEBUG stream_writer.py:707 recv IAC WILL SGA
   DEBUG stream_writer.py:1900 handle_will(SGA)
   DEBUG stream_writer.py:924 skip DO SGA; pending_option = True
   DEBUG stream_writer.py:3174 remote_option[SGA] = True
   DEBUG stream_writer.py:3174 pending_option[DO + SGA] = False
   INFO fingerprinting.py:737 new server fingerprint 759aef872114a5f7
   INFO client_base.py:106 Connection closed to <Peer 208.113.129.93 3000>

.. raw:: html

   </details>