frontierbbs.co.uk:23

Connection Banner:

Synchronet BBS for Linux  Version 3.21
Telnet connection from: 64.227.40.173
Resolving hostname...

_[!_


      Synchronet BBS for Linux  Version 3.21  Copyright 2026 Rob Swindell
 +------------------------- YOUR CONNECTION DETAILS --------------------------+
   You have connected to the BBS using the Telnet protocol
   Your internet IP address will be logged as 64.227.40.173
   Your terminal screen size is 80x@ROWS US-ASCII / DUMB
 +----------------------------------------------------------------------------+
 +-------------------------- THE BBS SERVER DETAILS --------------------------+
   Our address is frontierbbs.co.uk and you're on node 1 of 16
   Your SysOp is Dave Parker.
 +----------------------------------------------------------------------------+

 If you're new to Frontier BBS, type New at the prompt below to register.
 If you've visited us before welcome back! Enter your username below to log on.

Enter User Name or 'New' or 'Guest'
Login:

frontierbbs.co.uk:23 ⎘

BBS Software

Detected: Synchronet

Encoding

• Effective encoding: cp437

• Scanner detected: ascii

Telnet Fingerprint

d06e080c36c73c6a…

This fingerprint is shared by 232 other servers.

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

Options requested from client: NAWS, NEW_ENVIRON, TSPEED, TTYPE

Data source: d06e080c36c73c6a/ec548d0cedc82cdd.json

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

{
  "server-probe": {
    "fingerprint": "d06e080c36c73c6a",
    "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": [
        "NAWS",
        "NEW_ENVIRON",
        "TSPEED",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\r\n\r\nEnter User Name or 'New' or 'Guest'\r\nLogin: ",
      "banner_before_return": "\r\nSynchronet BBS for Linux  Version 3.21\r\nTelnet connection from: 64.227.40.173\r\nResolving hostname...\r\n\r\n\u001b[s\u001b[0c\u001b[255B\u001b[255C\u001b[30;40m\b_\u001b[6n\u001b[u\u001b[!_\r\ufffd\ufffd\ufffd\u001b[6n\u001b[0m\u001b[2J\u001b[H\f\r\r      Synchronet BBS for Linux  Version 3.21  Copyright 2026 Rob Swindell\r\n +------------------------- YOUR CONNECTION DETAILS --------------------------+\r\n   You have connected to the BBS using the Telnet protocol\r\n   Your internet IP address will be logged as 64.227.40.173\r\n   Your terminal screen size is 80x@ROWS US-ASCII / DUMB\r\n +----------------------------------------------------------------------------+\r\n +-------------------------- THE BBS SERVER DETAILS --------------------------+\r\n   Our address is frontierbbs.co.uk and you're on node 1 of 16\r\n   Your SysOp is Dave Parker.\r\n +----------------------------------------------------------------------------+\r\n\r\n If you're new to Frontier BBS, type New at the prompt below to register.\r\n If you've visited us before welcome back! Enter your username below to log on.\r\n\r\nEnter User Name or 'New' or 'Guest'\r\nLogin: ",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {
          "ECHO": true,
          "SGA": true
        },
        "server_requested": {
          "NAWS": true,
          "NEW_ENVIRON": true,
          "SNDLOC": false,
          "TSPEED": true,
          "TTYPE": true
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.051672935485839844,
        "total": 5.309194803237915
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:31:56.417798+00:00",
      "host": "frontierbbs.co.uk",
      "ip": "87.106.99.186",
      "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=frontierbbs.co.uk port=23
INFO client_base.py:174 Connected to <Peer 87.106.99.186 23>
DEBUG stream_writer.py:706 recv IAC WILL ECHO
DEBUG stream_writer.py:722 WILL ECHO unsolicited
DEBUG stream_writer.py:1897 handle_will(ECHO)
DEBUG stream_writer.py:3167 pending_option[DO + ECHO] = True
DEBUG stream_writer.py:947 send IAC DO ECHO
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 SGA
DEBUG stream_writer.py:722 WILL SGA unsolicited
DEBUG stream_writer.py:1897 handle_will(SGA)
DEBUG stream_writer.py:3167 pending_option[DO + SGA] = True
DEBUG stream_writer.py:947 send IAC DO SGA
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 DO TTYPE
DEBUG stream_writer.py:1767 handle_do(TTYPE)
DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = True
DEBUG stream_writer.py:947 send IAC WILL TTYPE
DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = True
DEBUG stream_writer.py:3167 local_option[TTYPE] = True
DEBUG stream_writer.py:3167 pending_option[WILL + TTYPE] = False
DEBUG stream_writer.py:706 recv IAC DO TSPEED
DEBUG stream_writer.py:1767 handle_do(TSPEED)
DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = True
DEBUG stream_writer.py:947 send IAC WILL TSPEED
DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = True
DEBUG stream_writer.py:3167 local_option[TSPEED] = True
DEBUG stream_writer.py:3167 pending_option[WILL + TSPEED] = False
DEBUG stream_writer.py:706 recv IAC DO SNDLOC
DEBUG stream_writer.py:1767 handle_do(SNDLOC)
DEBUG stream_writer.py:1845 DO SNDLOC not supported.
DEBUG stream_writer.py:3167 local_option[SNDLOC] = False
DEBUG stream_writer.py:947 send IAC WONT SNDLOC
DEBUG stream_writer.py:706 recv IAC DO NAWS
DEBUG stream_writer.py:1767 handle_do(NAWS)
DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = True
DEBUG stream_writer.py:947 send IAC WILL NAWS
DEBUG stream_writer.py:2339 send IAC SB NAWS (rows=25, cols=80) IAC SE
DEBUG stream_writer.py:3167 local_option[NAWS] = True
DEBUG stream_writer.py:3167 pending_option[WILL + NAWS] = False
DEBUG stream_writer.py:706 recv IAC DO NEW_ENVIRON
DEBUG stream_writer.py:1767 handle_do(NEW_ENVIRON)
DEBUG stream_writer.py:3167 pending_option[WILL + NEW_ENVIRON] = True
DEBUG stream_writer.py:947 send IAC WILL NEW_ENVIRON
DEBUG stream_writer.py:3167 pending_option[SB + NEW_ENVIRON] = True
DEBUG stream_writer.py:3167 local_option[NEW_ENVIRON] = True
DEBUG stream_writer.py:3167 pending_option[WILL + NEW_ENVIRON] = False
DEBUG stream_writer.py:706 recv IAC DONT SNDLOC
DEBUG stream_writer.py:1860 handle_dont(SNDLOC)
DEBUG stream_writer.py:3167 pending_option[WILL + SNDLOC] = False
DEBUG stream_writer.py:698 begin sub-negotiation SB TTYPE
DEBUG stream_writer.py:685 sub-negotiation cmd TTYPE SE completion byte
DEBUG stream_writer.py:3167 pending_option[SB + TTYPE] = False
DEBUG stream_writer.py:2234 recv TTYPE SEND: b''
DEBUG stream_writer.py:2247 send IAC SB TTYPE IS b'xterm-256color' IAC SE
DEBUG stream_writer.py:698 begin sub-negotiation SB TSPEED
DEBUG stream_writer.py:685 sub-negotiation cmd TSPEED SE completion byte
DEBUG stream_writer.py:3167 pending_option[SB + TSPEED] = False
DEBUG stream_writer.py:2166 recv TSPEED SEND: b''
DEBUG stream_writer.py:2197 send: IAC SB TSPEED IS b'38400',b'38400' IAC SE
DEBUG client_base.py:463 negotiation failed after 4.00s.
DEBUG client_base.py:470 failed-reply: 'SB NEW_ENVIRON'
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 + 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 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 d06e080c36c73c6a
INFO client_base.py:105 Connection closed to <Peer 87.106.99.186 23>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug frontierbbs.co.uk 23