groundzero2.duckdns.org
Connection Banner:
Server URLs
- Telnet: telnet://groundzero2.duckdns.org:4000
- Website: groundzero2.duckdns.org
Server Info
Server Location: 🇺🇸 United States (GeoIP)
Protocol Support
MUD-specific protocols detected via MSSP flags or Telnet negotiation.
MSSP: No
GMCP: No
MSDP: No
MCCP: No
MCCP2: Negotiated
MXP: No
MSP: No
MCP: No
ZMP: No
Telnet Fingerprint
This fingerprint is unique to this server.
Options requested from client: LFLOW, NAWS, TTYPE
The complete JSON record collected during the scan, including Telnet negotiation results and any MSSP metadata.
Show JSON
{
"server-probe": {
"fingerprint": "c5f425c36a52e5f9",
"fingerprint-data": {
"offered-options": [],
"probed-protocol": "server",
"refused-options": [],
"requested-options": [
"LFLOW",
"NAWS",
"TTYPE"
],
"scan-type": "quick"
},
"session_data": {
"banner_after_return": "",
"banner_before_return": "Resolving hostname and negotiating connection options.\r\n\r\nScenario : GZ2 Default Scenario\r\nRound started : Tue Apr 7 06:09:11 2026\n\rSystem time : Tue Apr 7 06:59:11 2026\n\rTime Left in Round : 131 minutes\r\nMost players this boot: 0\r\n.\r\n\u001b[0;37m _______ _______ \r\n | _ | _ | \u001b[1;31mGround Zero Ii \u001b[30m-\u001b[31m The Second Coming\u001b[0;37m\r\n |. |___|___| | TELNET: \u001b[36mgroundzero2.duckdns.org 4000\u001b[0;37m\r\n |. | |/ ___/ WEB SITE: \u001b[36mNone!\u001b[0;37m\r\n |: 1 |: 1 \\ Administrative Staff:\r\n |::.. . |::.. . | https://www.facebook.com/groups/25285999988\r\n `-------`-------'\r\n\r\n Original DikuMUD by Hans Staerfeldt, Katja Nyboe\r\n Tom Madsen, Michael Seifert, and Sebastian Hammer\r\n Based on MERC 2.1 code by Hatchet, Furey, and Kahn\r\n ROM 2.3 code written by Russ Taylor, copyright 1993-1994\r\n Ground ZERO base by Cory Hilke.\r\n\r\nWelcome soldier.\r\nPlease state your name, clearly : ",
"dsr_replies": 0,
"dsr_requests": 0,
"encoding": "ascii",
"option_states": {
"server_offered": {
"AARDWOLF": false,
"ATCP": false,
"GMCP": false,
"MCCP2": true,
"MCCP3": false,
"MSDP": false,
"MSP": false,
"MSSP": false,
"MXP": false,
"ZMP": false
},
"server_requested": {
"AARDWOLF": false,
"ATCP": false,
"GMCP": false,
"LFLOW": true,
"MCCP2": false,
"MCCP3": false,
"MSDP": false,
"MSP": false,
"MSSP": false,
"MXP": false,
"NAWS": true,
"TTYPE": true,
"ZMP": false
}
},
"scan_type": "quick",
"timing": {
"probe": 0.0,
"total": 5.69787335395813
}
}
},
"sessions": [
{
"connected": "2026-03-07T03:56:53.689124+00:00",
"host": "groundzero2.duckdns.org",
"ip": "35.212.169.241",
"port": 4000
},
{
"connected": "2026-04-07T06:59:20.746375+00:00",
"host": "groundzero2.duckdns.org",
"ip": "35.212.169.241",
"port": 4000
}
]
}
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 groundzero2.duckdns.org 4000
Show Logfile
DEBUG client.py:1200 Fingerprint client: host=groundzero2.duckdns.org port=4000
INFO client_base.py:190 Connected to <Peer 35.212.169.241 4000>
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = True
DEBUG stream_writer.py:1024 send IAC WILL GMCP
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = True
DEBUG stream_writer.py:1024 send IAC WILL ZMP
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSSP
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = True
DEBUG stream_writer.py:1024 send IAC WILL MXP
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC WILL MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC WILL AARDWOLF
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSDP
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = True
DEBUG stream_writer.py:1024 send IAC WILL ATCP
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = True
DEBUG stream_writer.py:1024 send IAC WILL MSP
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = True
DEBUG stream_writer.py:1024 send IAC DO GMCP
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = True
DEBUG stream_writer.py:1024 send IAC DO ZMP
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSSP
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = True
DEBUG stream_writer.py:1024 send IAC DO MXP
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP2_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = True
DEBUG stream_writer.py:1024 send IAC DO MCCP3_COMPRESS
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = True
DEBUG stream_writer.py:1024 send IAC DO AARDWOLF
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = True
DEBUG stream_writer.py:1024 send IAC DO MSDP
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = True
DEBUG stream_writer.py:1024 send IAC DO ATCP
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = True
DEBUG stream_writer.py:1024 send IAC DO MSP
DEBUG stream_writer.py:773 recv IAC DO LFLOW
DEBUG stream_writer.py:1887 handle_do(LFLOW)
DEBUG stream_writer.py:3384 pending_option[WILL + LFLOW] = True
DEBUG stream_writer.py:1024 send IAC WILL LFLOW
DEBUG stream_writer.py:3384 pending_option[SB + LFLOW] = True
DEBUG stream_writer.py:3384 local_option[LFLOW] = True
DEBUG stream_writer.py:3384 pending_option[WILL + LFLOW] = False
DEBUG stream_writer.py:773 recv IAC DO TTYPE
DEBUG stream_writer.py:1887 handle_do(TTYPE)
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:1024 send IAC WILL TTYPE
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3384 local_option[TTYPE] = True
DEBUG stream_writer.py:3384 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:773 recv IAC DO NAWS
DEBUG stream_writer.py:1887 handle_do(NAWS)
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:1024 send IAC WILL NAWS
DEBUG stream_writer.py:2507 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3384 local_option[NAWS] = True
DEBUG stream_writer.py:3384 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:773 recv IAC DONT GMCP
DEBUG stream_writer.py:2010 handle_dont(GMCP)
DEBUG stream_writer.py:3384 pending_option[WILL + GMCP] = False
DEBUG stream_writer.py:3384 local_option[GMCP] = False
DEBUG stream_writer.py:773 recv IAC DONT ZMP
DEBUG stream_writer.py:2010 handle_dont(ZMP)
DEBUG stream_writer.py:3384 pending_option[WILL + ZMP] = False
DEBUG stream_writer.py:3384 local_option[ZMP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSSP
DEBUG stream_writer.py:2010 handle_dont(MSSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSSP] = False
DEBUG stream_writer.py:3384 local_option[MSSP] = False
DEBUG stream_writer.py:773 recv IAC DONT MXP
DEBUG stream_writer.py:2010 handle_dont(MXP)
DEBUG stream_writer.py:3384 pending_option[WILL + MXP] = False
DEBUG stream_writer.py:3384 local_option[MXP] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP2_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP2_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT MCCP3_COMPRESS
DEBUG stream_writer.py:2010 handle_dont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3384 pending_option[WILL + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3384 local_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC DONT AARDWOLF
DEBUG stream_writer.py:2010 handle_dont(AARDWOLF)
DEBUG stream_writer.py:3384 pending_option[WILL + AARDWOLF] = False
DEBUG stream_writer.py:3384 local_option[AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC DONT MSDP
DEBUG stream_writer.py:2010 handle_dont(MSDP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSDP] = False
DEBUG stream_writer.py:3384 local_option[MSDP] = False
DEBUG stream_writer.py:773 recv IAC DONT ATCP
DEBUG stream_writer.py:2010 handle_dont(ATCP)
DEBUG stream_writer.py:3384 pending_option[WILL + ATCP] = False
DEBUG stream_writer.py:3384 local_option[ATCP] = False
DEBUG stream_writer.py:773 recv IAC DONT MSP
DEBUG stream_writer.py:2010 handle_dont(MSP)
DEBUG stream_writer.py:3384 pending_option[WILL + MSP] = False
DEBUG stream_writer.py:3384 local_option[MSP] = False
DEBUG stream_writer.py:773 recv IAC WONT GMCP
DEBUG stream_writer.py:2199 handle_wont(GMCP)
DEBUG stream_writer.py:3384 remote_option[GMCP] = False
DEBUG stream_writer.py:3384 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:773 recv IAC WONT ZMP
DEBUG stream_writer.py:2199 handle_wont(ZMP)
DEBUG stream_writer.py:3384 remote_option[ZMP] = False
DEBUG stream_writer.py:3384 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:773 recv IAC WONT MSSP
DEBUG stream_writer.py:2199 handle_wont(MSSP)
DEBUG stream_writer.py:3384 remote_option[MSSP] = False
DEBUG stream_writer.py:3384 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:773 recv IAC WONT MXP
DEBUG stream_writer.py:2199 handle_wont(MXP)
DEBUG stream_writer.py:3384 remote_option[MXP] = False
DEBUG stream_writer.py:3384 pending_option[DO + MXP] = False
DEBUG stream_writer.py:773 recv IAC WILL MCCP2_COMPRESS
DEBUG stream_writer.py:2045 handle_will(MCCP2_COMPRESS)
DEBUG stream_writer.py:998 skip DO MCCP2_COMPRESS; pending_option = True
DEBUG stream_writer.py:3384 remote_option[MCCP2_COMPRESS] = True
DEBUG stream_writer.py:3384 pending_option[DO + MCCP2_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WONT MCCP3_COMPRESS
DEBUG stream_writer.py:2199 handle_wont(MCCP3_COMPRESS)
DEBUG stream_writer.py:3384 remote_option[MCCP3_COMPRESS] = False
DEBUG stream_writer.py:3384 pending_option[DO + MCCP3_COMPRESS] = False
DEBUG stream_writer.py:773 recv IAC WONT AARDWOLF
DEBUG stream_writer.py:2199 handle_wont(AARDWOLF)
DEBUG stream_writer.py:3384 remote_option[AARDWOLF] = False
DEBUG stream_writer.py:3384 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:773 recv IAC WONT MSDP
DEBUG stream_writer.py:2199 handle_wont(MSDP)
DEBUG stream_writer.py:3384 remote_option[MSDP] = False
DEBUG stream_writer.py:3384 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:773 recv IAC WONT ATCP
DEBUG stream_writer.py:2199 handle_wont(ATCP)
DEBUG stream_writer.py:3384 remote_option[ATCP] = False
DEBUG stream_writer.py:3384 pending_option[DO + ATCP] = False
DEBUG stream_writer.py:773 recv IAC WONT MSP
DEBUG stream_writer.py:2199 handle_wont(MSP)
DEBUG stream_writer.py:3384 remote_option[MSP] = False
DEBUG stream_writer.py:3384 pending_option[DO + MSP] = False
DEBUG stream_writer.py:767 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:754 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3384 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2404 recv TTYPE SEND: b''
DEBUG stream_writer.py:2416 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:767 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:754 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:2238 [SB + TTYPE] unsolicited
DEBUG stream_writer.py:2404 recv TTYPE SEND: b''
DEBUG stream_writer.py:2416 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG client_base.py:534 negotiation failed after 4.00s.
DEBUG client_base.py:540 failed-reply: 'SB LFLOW'
DEBUG client_base.py:93 EOF from server, closing.
INFO client_base.py:122 Connection closed to <Peer 35.212.169.241 4000>
DEBUG fingerprinting.py:849 connection for server fingerprint c5f425c36a52e5f9