cd.csie.io:23

Connection Banner:

cd.csie.io  ej  207.148.108.123       w } G 130  3
w{i v jeuWH [   5] H   ttGi  j              
            v            
                    
                    dcbm    dcd       ccdefgec
 ifed ifeif    iiiiegicg   gigghpdei   
 i  ic oi    l          o           igggiiefg  
 o  ff  gdccb       ggfgggfeg     ibcccifffdi
 ccdcb  iedil     il  i  i  pi   idffghd      il
 iidf  id  il     fdideidi   il gdfggoo
   oi      iiin  d   defggedc     il i          iop
 idf    f  ff  icdefghh g   il ggggegop
   fedcieedbb   defgf   il  i   i  op
   ffiioefg      cfi dfe         i  ogfd n
 i  ilgfc      gf  dfeg            icfgho
 i    m  geg          gg                    gggggggg
                 cd.cna.ccu.edu.tw           suzanne      Add '.' after your ID
for simplified Chinese GB support
   [zb]                [bGguest  sbGnew   sBBSA http://goo.gl/ycfOw

cd.csie.io:23

BBS Software

Detected: SBBS

Encoding

Effective encoding: big5
Override: big5 (from bbslist.txt)
Scanner detected: ascii

Website: http://goo.gl/ycfOw

Telnet Fingerprint

6765e0c939dd0e6c…

This fingerprint is shared by 13 other servers.

Options offered by server: ECHO, SGA

Options requested from client: NAWS, TTYPE

Data source: 6765e0c939dd0e6c/e9a26a1da614e7df.json

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

{
  "server-probe": {
    "fingerprint": "6765e0c939dd0e6c",
    "fingerprint-data": {
      "offered-options": [
        "ECHO",
        "SGA"
      ],
      "probed-protocol": "server",
      "refused-options": [
        "AARDWOLF",
        "ATCP",
        "BINARY",
        "CHARSET",
        "COM_PORT",
        "EOR",
        "GMCP",
        "MSDP",
        "MSP",
        "MSSP",
        "MXP",
        "STATUS",
        "ZMP"
      ],
      "requested-options": [
        "NAWS",
        "TTYPE"
      ],
      "scan-type": "quick"
    },
    "session_data": {
      "banner_after_return": "\r   [\ufffdz\ufffd\ufffd\ufffdb\ufffd\ufffd] \u001b[7m              \u001b[m\u001b[22;15H",
      "banner_before_return": "\u001b[;H\u001b[2Jcd.csie.io \ufffd\ufffd \ufffde\ufffd\ufffd\ufffd\ufffd\ufffdj\ufffd\ufffd \ufffd\ufffd 207.148.108.123       \ufffdw \ufffd} \ufffd\ufffd\ufffdG 130 \ufffd\ufffd 3 \ufffd\ufffd\n\r\ufffdw\ufffd\ufffd\ufffd\ufffd\ufffd{\ufffdi\u001b[1;33;46m \ufffdv\ufffd\ufffd\ufffd\ufffd \u001b[m\ufffdj\ufffd\ufffd\ufffde\ufffdu\ufffdW\ufffdH\ufffd\ufffd [\u001b[1;33m   5\u001b[m] \ufffdH   \ufffdt\ufffd\ufffd\ufffdt\ufffd\ufffd\ufffdG\ufffdi \u001b[32m\ufffd\ufffd\u001b[m \ufffdj\u001b[4;1H\u001b[1m\ufffd\ufffd\ufffd\ufffd        \u001b[;34m\ufffd\ufffd\ufffd\ufffd\u001b[1m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u001b[36m\ufffd\ufffd\ufffd\ufffd  \u001b[34m\ufffd\ufffd    \ufffd\ufffd\ufffd\ufffd\u001b[;34m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u001b[1m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u001b[36m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u001b[34m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u001b[;34m\ufffd\ufffd        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\u001b[1;34m\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdi\ufffd\ufffd\ufffdc\ufffdf\ufffdg\ufffdh\ufffdo\u001b[m\n\r \u001b[1;33m\ufffd\ufffd\u001b[34m\ufffdi\ufffd\ufffd    \ufffd\ufffd\ufffdm  \u001b[;30;44m\ufffdg\ufffde\ufffdg\u001b[40m          \u001b[44m\ufffdg\ufffdg\u001b[40m                    \u001b[44m\ufffdg\ufffdg\ufffdg\ufffdg\ufffdg\ufffdg\ufffdg\ufffdg\u001b[m\n\r                \u001b[1m\ufffd\ufffd\u001b[36m\ufffd\ufffd\u001b[37m\ufffd\ufffd\u001b[34m\ufffd\ufffd\u001b[37m\ufffd\ufffd\u001b[;34m\ufffd\ufffd \u001b[;1mcd.cna.ccu.edu.tw \u001b[;34m\ufffd\ufffd\u001b[;1m\ufffd\ufffd\u001b[34m\ufffd\ufffd\u001b[37m\ufffd\ufffd\u001b[36m\ufffd\ufffd\u001b[37m\ufffd\ufffd          \u001b[30msuzanne    \u001b[m\u001b[21;1H  Add '.' after your ID for \u001b[1;36msimplified Chinese\u001b[m GB support\n\r   [\ufffdz\ufffd\ufffd\ufffdb\ufffd\ufffd] \u001b[7m              \u001b[m\u001b[24;1H\ufffd\ufffd \ufffd\ufffd\ufffd[\ufffdb\ufffd\ufffd\ufffdG\u001b[1;32mguest\u001b[m  \ufffd\ufffd\ufffd\ufffd\ufffds\ufffdb\ufffd\ufffd\ufffdG\u001b[1;31mnew\u001b[m   \u001b[0;37m\ufffds\ufffd\ufffdBBS\ufffd\ufffd\ufffd\ufffd\ufffdA\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd http://goo.gl/ycfOw\u001b[m\u001b[22;15H",
      "encoding": "ascii",
      "option_states": {
        "server_offered": {
          "ECHO": true,
          "SGA": true
        },
        "server_requested": {
          "NAWS": true,
          "TTYPE": true
        }
      },
      "scan_type": "quick",
      "timing": {
        "probe": 0.5055892467498779,
        "total": 5.2523720264434814
      }
    }
  },
  "sessions": [
    {
      "connected": "2026-02-09T19:27:14.830506+00:00",
      "host": "cd.csie.io",
      "ip": "207.148.108.123",
      "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=cd.csie.io port=23
INFO client_base.py:174 Connected to <Peer 207.148.108.123 23>
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: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: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 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 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 + 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
INFO fingerprinting.py:746 connection for server fingerprint 6765e0c939dd0e6c
INFO client_base.py:105 Connection closed to <Peer 207.148.108.123 23>

Generated by telnetlib3-fingerprint

telnetlib3-fingerprint --loglevel=debug cd.csie.io 23