ChaosMUD
Attempting to detect client, please wait...
Server Info
Codebase: Merc 2.2
Players online: 3 [1]
Location: United States of America
Protocol Support
MUD-specific protocols detected via MSSP flags or Telnet negotiation. See the glossary for definitions.
MSSP: Yes (MSSP)
GMCP: Yes (MSSP)
MSDP: Yes (MSSP)
MCCP: No
MCCP2: No
MXP: Yes (MSSP)
MSP: Yes (MSSP)
MCP: No
ZMP: No
Telnet Fingerprint
This fingerprint is unique to this server.
Options offered by server: ECHO
Options requested from client: CHARSET, NAWS, NEW_ENVIRON, TTYPE
Data source: 0734a2a20035e1d6/ffc778ec71ef695f.json
The complete JSON record collected during the scan, including Telnet negotiation results and any MSSP metadata.
{
"server-probe": {
"fingerprint": "0734a2a20035e1d6",
"fingerprint-data": {
"offered-options": [
"ECHO"
],
"probed-protocol": "server",
"refused-options": [
"AUTHENTICATION",
"BINARY",
"BM",
"CHARSET",
"COM_PORT",
"DET",
"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": [
"CHARSET",
"NAWS",
"NEW_ENVIRON",
"TTYPE"
]
},
"session_data": {
"banner_after_return": "",
"banner_before_return": "Attempting to detect client, please wait...\r\n",
"encoding": "ascii",
"mssp": {
"ANSI": "1",
"CODEBASE": "Merc 2.2",
"CRAWL DELAY": "-1",
"GMCP": "1",
"HOSTNAME": "170.187.150.187",
"IP": "170.187.150.187",
"LANGUAGE": "English",
"LOCATION": "United States of America",
"MCCP": "0",
"MCP": "0",
"MSDP": "1",
"MSP": "1",
"MXP": "1",
"NAME": "ChaosMUD",
"PLAYERS": "3",
"PORT": "1111",
"PUEBLO": "0",
"UPTIME": "1765071983",
"UTF-8": "1",
"VT100": "0",
"XTERM 256 COLORS": "1"
},
"option_states": {
"server_offered": {
"0x5a": false,
"0x5b": false,
"0xc8": false,
"GMCP": true,
"MSDP": true,
"MSSP": true
},
"server_requested": {
"0x5b": false,
"CHARSET": true,
"NAWS": true,
"NEW_ENVIRON": true,
"TTYPE": true
}
},
"timing": {
"probe": 0.5086750984191895,
"total": 4.014278411865234
}
}
},
"sessions": [
{
"connected": "2026-02-08T06:49:19.780380+00:00",
"host": "170.187.150.187",
"ip": "170.187.150.187",
"port": 1111
}
]
}
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=170.187.150.187 port=1111
INFO client_base.py:174 Connected to <Peer 170.187.150.187 1111>
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: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 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 DO CHARSET
DEBUG stream_writer.py:1733 handle_do(CHARSET)
DEBUG stream_writer.py:3030 pending_option[WILL + CHARSET] = True
DEBUG stream_writer.py:933 send IAC WILL CHARSET
DEBUG stream_writer.py:3030 local_option[CHARSET] = True
DEBUG stream_writer.py:3030 pending_option[WILL + CHARSET] = False
DEBUG stream_writer.py:692 recv IAC WILL MSDP
DEBUG stream_writer.py:708 WILL MSDP unsolicited
DEBUG stream_writer.py:1863 handle_will(MSDP)
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:933 send IAC DO MSDP
DEBUG stream_writer.py:3030 remote_option[MSDP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:692 recv IAC WILL ATCP
DEBUG stream_writer.py:708 WILL ATCP unsolicited
DEBUG stream_writer.py:1863 handle_will(ATCP)
DEBUG stream_writer.py:3030 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:933 send IAC DO ATCP
DEBUG stream_writer.py:3030 remote_option[ATCP] = True
DEBUG stream_writer.py:3030 pending_option[DO + ATCP] = 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 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 MSP
DEBUG stream_writer.py:708 WILL MSP unsolicited
DEBUG stream_writer.py:1863 handle_will(MSP)
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = True
DEBUG stream_writer.py:933 send IAC DO MSP
DEBUG stream_writer.py:3030 remote_option[MSP] = True
DEBUG stream_writer.py:3030 pending_option[DO + MSP] = False
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 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: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 stream_writer.py:684 begin sub-negotiation SB CHARSET
DEBUG stream_writer.py:671 sub-negotiation cmd CHARSET SE completion byte
DEBUG stream_writer.py:2025 [SB + CHARSET] unsolicited
DEBUG client.py:266 encoding negotiated: UTF-8
DEBUG stream_writer.py:2105 send IAC SB CHARSET ACCEPTED UTF-8 IAC SE
DEBUG stream_writer.py:684 begin sub-negotiation SB MSDP
DEBUG stream_writer.py:671 sub-negotiation cmd MSDP SE completion byte
DEBUG stream_writer.py:2025 [SB + MSDP] unsolicited
DEBUG stream_writer.py:1633 MSDP: {'SERVER_ID': 'ChaosMUD'}
DEBUG stream_writer.py:692 recv IAC WONT ATCP
DEBUG stream_writer.py:1985 handle_wont(ATCP)
DEBUG stream_writer.py:3030 remote_option[ATCP] = False
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': 'ChaosMUD', 'PLAYERS': '7', 'UPTIME': '1765071983', 'CRAWL DELAY': '-1', 'HOSTNAME':
'170.187.150.187', 'PORT': '1111', 'CODEBASE': 'Merc 2.2', 'IP': '170.187.150.187', 'LANGUAGE': 'English', 'LOCATION': 'United
States of America', 'ANSI': '1', 'GMCP': '1', 'MCCP': '0', 'MCP': '0', 'MSDP': '1', 'MSP': '1', 'MXP': '1', 'PUEBLO': '0',
'UTF-8': '1', 'VT100': '0', 'XTERM 256 COLORS': '1'}
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 NEW_ENVIRON
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 170.187.150.187 1111>
INFO fingerprinting.py:737 new server fingerprint 53ad3fa4d2cba92f
Generated by telnetlib3-fingerprint
telnetlib3-fingerprint --loglevel=debug 170.187.150.187 1111