vern.cc:23

Connection Banner:

Synchronet BBS for Linux  Version 3.19
Telnet connection from: 10.7.0.1
Resolving hostname...

vern.cc:23 ⎘

BBS Software

Detected: Synchronet

Encoding

• Effective encoding: cp437

• Scanner detected: ascii

Telnet Fingerprint

f23c774a5c140c7b…

This fingerprint is shared by 5 other servers.

Options offered by server: AARDWOLF, ATCP, BINARY, CHARSET, COM_PORT, ECHO, EOR, GMCP, MSDP, MSP, MSSP, MXP, SGA, STATUS, ZMP

Data source: f23c774a5c140c7b/d28a031fd01d2c01.json

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

{
  "server-probe": {
    "fingerprint": "f23c774a5c140c7b",
    "fingerprint-data": {
      "offered-options": [
        "AARDWOLF",
        "ATCP",
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "ECHO",
        "EOR",
        "GMCP",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "SGA",
        "STATUS",
        "ZMP"
      ],
      "probed-protocol": "server",
      "refused-options": [],
      "requested-options": [],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "",
      "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.19\r\nTelnet connection from: 10.7.0.1\r\nResolving hostname...\r\n",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {},
        "server_requested": {}
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.2045278549194336,
        "total": 5.000729084014893
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:29:29.401524+00:00",
      "host": "vern.cc",
      "ip": "5.161.108.85",
      "port": 23
    }
  ]
}

Connection Log

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

DEBUG client.py:863 Fingerprint client: host=vern.cc port=23
INFO client_base.py:174 Connected to <Peer 5.161.108.85 23>
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 + SGA] = True
DEBUG stream_writer.py:947 send IAC DO SGA
DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:947 send IAC DO ECHO
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
DEBUG stream_writer.py:706 recv IAC WILL BINARY
DEBUG stream_writer.py:1897 handle_will(BINARY)
DEBUG stream_writer.py:921 skip DO BINARY; pending_option = True
DEBUG stream_writer.py:3167 remote_option[BINARY] = True
DEBUG stream_writer.py:3167 pending_option[DO + BINARY] = False
DEBUG stream_writer.py:706 recv IAC WILL SGA
DEBUG stream_writer.py:1897 handle_will(SGA)
DEBUG stream_writer.py:921 skip DO SGA; pending_option = True
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 WILL ECHO
DEBUG stream_writer.py:1897 handle_will(ECHO)
DEBUG stream_writer.py:921 skip DO ECHO; pending_option = True
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 STATUS
DEBUG stream_writer.py:1897 handle_will(STATUS)
DEBUG stream_writer.py:3167 remote_option[STATUS] = True
DEBUG stream_writer.py:1038 send IAC SB STATUS SEND IAC SE
DEBUG stream_writer.py:3167 pending_option[SB + STATUS] = True
DEBUG stream_writer.py:3167 pending_option[DO + STATUS] = False
DEBUG stream_writer.py:706 recv IAC WILL CHARSET
DEBUG stream_writer.py:1897 handle_will(CHARSET)
DEBUG stream_writer.py:921 skip DO CHARSET; pending_option = True
DEBUG stream_writer.py:3167 remote_option[CHARSET] = True
DEBUG stream_writer.py:3167 pending_option[DO + CHARSET] = False
DEBUG stream_writer.py:706 recv IAC WILL EOR
DEBUG stream_writer.py:1897 handle_will(EOR)
DEBUG stream_writer.py:921 skip DO EOR; pending_option = True
DEBUG stream_writer.py:3167 remote_option[EOR] = True
DEBUG stream_writer.py:3167 pending_option[DO + EOR] = False
DEBUG stream_writer.py:706 recv IAC WILL COM_PORT_OPTION
DEBUG stream_writer.py:1897 handle_will(COM_PORT_OPTION)
DEBUG stream_writer.py:921 skip DO COM_PORT_OPTION; pending_option = True
DEBUG stream_writer.py:3167 remote_option[COM_PORT_OPTION] = True
DEBUG stream_writer.py:1061 send IAC SB COM-PORT-OPTION SIGNATURE IAC SE
DEBUG stream_writer.py:3167 pending_option[DO + COM_PORT_OPTION] = False
DEBUG stream_writer.py:706 recv IAC WILL GMCP
DEBUG stream_writer.py:1897 handle_will(GMCP)
DEBUG stream_writer.py:921 skip DO GMCP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[GMCP] = True
DEBUG stream_writer.py:3167 pending_option[DO + GMCP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSDP
DEBUG stream_writer.py:1897 handle_will(MSDP)
DEBUG stream_writer.py:921 skip DO MSDP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSDP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSDP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSSP
DEBUG stream_writer.py:1897 handle_will(MSSP)
DEBUG stream_writer.py:921 skip DO MSSP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSSP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSSP] = False
DEBUG stream_writer.py:706 recv IAC WILL MSP
DEBUG stream_writer.py:1897 handle_will(MSP)
DEBUG stream_writer.py:921 skip DO MSP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MSP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MSP] = False
DEBUG stream_writer.py:706 recv IAC WILL MXP
DEBUG stream_writer.py:1897 handle_will(MXP)
DEBUG stream_writer.py:921 skip DO MXP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[MXP] = True
DEBUG stream_writer.py:3167 pending_option[SB + MXP] = True
DEBUG stream_writer.py:3167 pending_option[DO + MXP] = False
DEBUG stream_writer.py:706 recv IAC WILL ZMP
DEBUG stream_writer.py:1897 handle_will(ZMP)
DEBUG stream_writer.py:921 skip DO ZMP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[ZMP] = True
DEBUG stream_writer.py:3167 pending_option[DO + ZMP] = False
DEBUG stream_writer.py:706 recv IAC WILL AARDWOLF
DEBUG stream_writer.py:1897 handle_will(AARDWOLF)
DEBUG stream_writer.py:921 skip DO AARDWOLF; pending_option = True
DEBUG stream_writer.py:3167 remote_option[AARDWOLF] = True
DEBUG stream_writer.py:3167 pending_option[DO + AARDWOLF] = False
DEBUG stream_writer.py:706 recv IAC WILL ATCP
DEBUG stream_writer.py:1897 handle_will(ATCP)
DEBUG stream_writer.py:921 skip DO ATCP; pending_option = True
DEBUG stream_writer.py:3167 remote_option[ATCP] = True
DEBUG stream_writer.py:3167 pending_option[DO + ATCP] = False
INFO fingerprinting.py:746 connection for server fingerprint f23c774a5c140c7b
INFO client_base.py:105 Connection closed to <Peer 5.161.108.85 23>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug vern.cc 23