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firewallとdnsに関するbeneluxのブックマーク (1)

  • Chinese Firewall Test - ViewDNS.info

    ViewDNS.info > Tools > Chinese Firewall Test Checks whether a site is blocked by the Great Firewall of China. This test checks across a number of servers from various locations in mainland China to determine if access to the site provided is possible from behind the Great Firewall of China. This test checks for symptoms of DNS poisoning, one of the more common methods used by the Chinese governmen

    benelux
    benelux 2012/09/28
    中国国内のDNSキャッシュサーバ 5箇所に 問い合わせて結果を比較できるサイト。 Facebook.comを問い合わせてみると、国内DNSに問い合わせた返答と全く違うIPが返ってくる。
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