ルータのセキュリティ落とした上でファイアーウォール
試してみた。
https://grc.com/x/ne.dll?bh0bkyd2 21
FTP
Stealth! There is NO EVIDENCE WHATSOEVER that a port
(or even any computer) exists at this IP address!
23
Telnet
Closed Your computer has responded that this port exists
but is currently closed to connections.
25
SMTP
Closed Your computer has responded that this port exists
but is currently closed to connections.
79
Finger
Closed Your computer has responded that this port exists
but is currently closed to connections.
80
HTTP
Stealth! There is NO EVIDENCE WHATSOEVER that a port
(or even any computer) exists at this IP address!
110
POP3
Closed Your computer has responded that this port exists
but is currently closed to connections.
113
IDENT
Closed Your computer has responded that this port exists
but is currently closed to connections.
135
RPC
Closed Your computer has responded that this port exists
but is currently closed to connections.
139
Net
BIOS
Closed Your computer has responded that this port exists
but is currently closed to connections.
143
IMAP
Closed Your computer has responded that this port exists
but is currently closed to connections.
443
HTTPS
Closed Your computer has responded that this port exists
but is currently closed to connections.
445
MSFT
DS
Closed Your computer has responded that this port exists
but is currently closed to connections.
・・・2001と変わってねーじゃん。