风云天下
Connection Banner:
Server URLs
- Telnet: telnet://fy4.vmud.com:30004
- Play in Browser: LociTerm
- Website: whatsnew.txt
Server Info
Players online: 38 [1]
Uptime: 41 days
Server Location: 🇨🇳 China (GeoIP)
Encoding: gbk
This server uses a legacy encoding:
telnetlib3-client --encoding gbk --force-binary fy4.vmud.com 30004
Protocol Support
MUD-specific protocols detected via MSSP flags or Telnet negotiation.
MSSP: Yes (MSSP)
GMCP: Negotiated
MSDP: No
MCCP: No
MCCP2: No
MXP: Negotiated
MSP: No
MCP: No
ZMP: Negotiated
Telnet Fingerprint
This fingerprint is shared by 10 other servers.
Options offered by server: MSSP, ZMP
Options requested from client: GMCP, MXP, NAWS, NEW_ENVIRON, TTYPE
The complete JSON record collected during the scan, including Telnet negotiation results and any MSSP metadata.
Show JSON
{
"server-probe": {
"fingerprint": "67bffa9d5cf57f36",
"fingerprint-data": {
"offered-options": [
"MSSP",
"ZMP"
],
"probed-protocol": "server",
"refused-options": [
"AARDWOLF",
"ATCP",
"BINARY",
"CHARSET",
"COM_PORT",
"ECHO",
"EOR",
"GMCP",
"MSDP",
"MSP",
"MXP",
"SGA",
"STATUS"
],
"requested-options": [
"GMCP",
"MXP",
"NAWS",
"NEW_ENVIRON",
"TTYPE"
],
"scan-type": "quick"
},
"session_data": {
"banner_after_return": "R\u0000\u0002\u0003M\u53ba\udcbf6\udcbe:\u9b26c\u6bdb=\u0017\u9be2h*\udcb8;\u99cc\u4e68\f5\u0015\u79e5>\udcf7\u0014(\udcb3$k\u84a2\u6093\u645f\udcbb)/\u9075\udcd7\u0017\u0017^\u9d7b\u6e25\udca9\u6f61\u000fo=r\udce4\u0016P\u8d41\u000b\udcfb\u5522\u6000\u770f\u9739\u30e7V\u97bf\udcb2\u000b\u3118J\u9167\u0000\u0000\u0000\u0000\udcff",
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"dsr_replies": 0,
"dsr_requests": 0,
"encoding": "gbk",
"mssp": {
"NAME": "\u98ce\u4e91\u5929\u4e0b",
"PLAYERS": "38",
"UPTIME": "1767516966"
},
"option_states": {
"server_offered": {
"0x55": false,
"0x56": false,
"MSSP": true,
"ZMP": true
},
"server_requested": {
"GMCP": true,
"MXP": true,
"NAWS": true,
"NEW_ENVIRON": true,
"TTYPE": true
}
},
"scan_type": "quick",
"timing": {
"probe": 0.5096414089202881,
"total": 6.4268271923065186
}
}
},
"sessions": [
{
"connected": "2026-02-14T17:10:26.318677+00:00",
"host": "fy4.vmud.com",
"ip": "106.75.16.97",
"port": 30004
}
]
}
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
telnetlib3-fingerprint --loglevel=debug fy4.vmud.com 30004
Show Logfile
DEBUG client.py:965 Fingerprint client: host=fy4.vmud.com port=30004
INFO client_base.py:175 Connected to <Peer 106.75.16.97 30004>
DEBUG client_base.py:492 negotiation complete after 0.00s.
DEBUG stream_writer.py:707 recv IAC DO TTYPE
DEBUG stream_writer.py:1770 handle_do(TTYPE)
DEBUG stream_writer.py:3174 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:950 send IAC WILL TTYPE
DEBUG stream_writer.py:3174 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3174 local_option[TTYPE] = True
DEBUG stream_writer.py:3174 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:707 recv IAC DO NAWS
DEBUG stream_writer.py:1770 handle_do(NAWS)
DEBUG stream_writer.py:3174 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:950 send IAC WILL NAWS
DEBUG stream_writer.py:2346 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3174 local_option[NAWS] = True
DEBUG stream_writer.py:3174 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:707 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:723 WILL MCCP2_COMPRESS unsolicited
DEBUG stream_writer.py:1900 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:3174 remote_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:950 send IAC DONT MCCP2_COMPRESS
WARNING stream_writer.py:2008 Unhandled: WILL MCCP2_COMPRESS.
DEBUG stream_writer.py:707 recv IAC DO MXP
DEBUG stream_writer.py:1770 handle_do(MXP)
DEBUG stream_writer.py:3174 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:950 send IAC WILL MXP
DEBUG stream_writer.py:3174 pending_option[SB + MXP] = True
DEBUG stream_writer.py:3174 local_option[MXP] = True
DEBUG stream_writer.py:3174 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:707 recv IAC WILL MSSP
DEBUG stream_writer.py:723 WILL MSSP unsolicited
DEBUG stream_writer.py:1900 handle_will(MSSP)
DEBUG stream_writer.py:3174 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:950 send IAC DO MSSP
DEBUG stream_writer.py:3174 remote_option[MSSP] = True
DEBUG stream_writer.py:3174 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:707 recv IAC WILL ZMP
DEBUG stream_writer.py:723 WILL ZMP unsolicited
DEBUG stream_writer.py:1900 handle_will(ZMP)
DEBUG stream_writer.py:3174 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:950 send IAC DO ZMP
DEBUG stream_writer.py:3174 remote_option[ZMP] = True
DEBUG stream_writer.py:3174 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:707 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1770 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3174 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:950 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3174 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3174 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3174 pending_option[WILL + NEW_ENVIRON] = False
DEBUG stream_writer.py:707 recv IAC DO GMCP
DEBUG stream_writer.py:1770 handle_do(GMCP)
DEBUG stream_writer.py:3174 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:950 send IAC WILL GMCP
DEBUG stream_writer.py:3174 local_option[GMCP] = True
DEBUG stream_writer.py:3174 pending_option[WILL + GMCP] = False
DEBUG stream_writer.py:699 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:686 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3174 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2241 recv TTYPE SEND: b''
DEBUG stream_writer.py:2254 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:707 recv IAC WILL MCCP_COMPRESS
DEBUG stream_writer.py:723 WILL MCCP_COMPRESS unsolicited
DEBUG stream_writer.py:1900 handle_will(MCCP_COMPRESS)
DEBUG stream_writer.py:3174 remote_option[MCCP_COMPRESS] = False
DEBUG stream_writer.py:950 send IAC DONT MCCP_COMPRESS
WARNING stream_writer.py:2008 Unhandled: WILL MCCP_COMPRESS.
DEBUG stream_writer.py:699 begin sub-negotiation SB MSSP
DEBUG stream_writer.py:686 sub-negotiation cmd MSSP SE completion byte
DEBUG stream_writer.py:2065 [SB + MSSP] unsolicited
DEBUG stream_writer.py:1673 MSSP: {'NAME': '风云天下', 'PLAYERS': '38', 'UPTIME': '1767516966'}
DEBUG stream_writer.py:699 begin sub-negotiation SB MCCP_COMPRESS
WARNING stream_writer.py:677 sub-negotiation SB MCCP_COMPRESS (6 bytes) interrupted by IAC b'K'
DEBUG stream_writer.py:664 IAC RCTE: not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'O': not a legal 2-byte cmd, treating as data
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 + ECHO] = True
DEBUG stream_writer.py:950 send IAC DO ECHO
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 + 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 + 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:664 IAC b'\x87': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'\x87': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'\x87': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'G': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'G': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'G': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'\xe7': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC b'\xc7': not a legal 2-byte cmd, treating as data
DEBUG stream_writer.py:664 IAC NEW_ENVIRON: not a legal 2-byte cmd, treating as data
INFO fingerprinting.py:746 connection for server fingerprint 67bffa9d5cf57f36
INFO client_base.py:106 Connection closed to <Peer 106.75.16.97 30004>