ポートスキャン

雑記

「ルータ　閉じるべきポート」というものがあって，ポートは閉じられているのかなあ．＠IT：Security Tips > 外部からのポートスキャンサービスを利用する で紹介されているポートスキャンツールを利用した．GRC | ShieldsUP! — Internet Vulnerability Profiling  ．

ルータの「セキュリティ設定」で

と設定している．結果はステルスと示され，安全らしい．

GRC Port Authority Report created on UTC: 2009-10-24 at 07:18:00

Results from scan of ports: 49, 58, 84, 188

    0 Ports Open
    0 Ports Closed
    4 Ports Stealth
---------------------
    4 Ports Tested

ALL PORTS tested were found to be: STEALTH.

TruStealth: PASSED - ALL tested ports were STEALTH,
                   - NO unsolicited packets were received,
                   - NO Ping reply (ICMP Echo) was received.
GRC Port Authority Report created on UTC: 2009-10-24 at 07:16:11

Results from scan of ports: 0, 21-23, 25, 79, 80, 110, 113, 
                            119, 135, 139, 143, 389, 443, 445, 
                            1002, 1024-1030, 1720, 5000

    0 Ports Open
    0 Ports Closed
   26 Ports Stealth
---------------------
   26 Ports Tested

ALL PORTS tested were found to be: STEALTH.

TruStealth: PASSED - ALL tested ports were STEALTH,
                   - NO unsolicited packets were received,
                   - NO Ping reply (ICMP Echo) was received.
GRC Port Authority Report created on UTC: 2009-10-24 at 07:15:45

Results from scan of ports: 0-1055

    0 Ports Open
    0 Ports Closed
 1056 Ports Stealth
---------------------
 1056 Ports Tested

ALL PORTS tested were found to be: STEALTH.

TruStealth: PASSED - ALL tested ports were STEALTH,
                   - NO unsolicited packets were received,
                   - NO Ping reply (ICMP Echo) was received.