{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.nflabs.jp%2Fentry%2F2021%2F08%2F25%2F171430\" title=\" NXNSAttack\u306b\u3064\u3044\u3066 - NFLabs. \u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","title":" NXNSAttack\u306b\u3064\u3044\u3066","description":"\u672c\u8a18\u4e8b\u3067\u306fNXNSAttack\u3068\u3044\u3046\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u691c\u8a3c\u3057\u305f\u7d50\u679c\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 NXNSAttack (Nonexistent Nameservers Attack) \u3068\u306f2020\u5e745\u6708\u306b\u516c\u8868\u3055\u308c\u305fDNS\u30ea\u30be\u30eb\u30d0\u306e\u8106\u5f31\u6027\u3067\u3042\u308a\u3001\u69d8\u3005\u306a\u5b9f\u88c5(Unbound\u3084BIND\u3001PowerDNS\u306a\u3069)\u3067\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u7279\u5b9a\u306eDNS\u30ea\u30be\u30eb\u30d0\u306b\u95a2\u3059\u308b\u8106\u5f31\u6027\u306f\u5ea6\u3005\u516c\u958b\u3055\u308c\u307e\u3059\u304c\u3001\u69d8\u3005\u306aDNS\u30ea\u30be\u30eb\u30d0\u306b\u5f71\u97ff\u3059\u308b\u8106\u5f31\u6027\u304c\u516c\u8868\u3055\u308c\u305f\u306e\u306f\u4e45\u3005\u306a\u306e\u3067\u691c\u8a3c\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u5c1a\u3001\u672c\u8a18\u4e8b\u3067\u306fDNS\u306e\u57fa\u790e\u7684\u306a\u77e5\u8b58\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u3082\u3057\u3001DNS\u306b\u95a2\u3057\u3066\u521d\u5b66\u3067\u3042\u308c\u3070\u300cDNS\u304c\u3088\u304f\u308f\u304b\u308b\u6559\u79d1\u66f8\u300d\u3068\u3044\u3046\u66f8\u7c4d\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002 https://w\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/Y/YamakaNoriko/20210728/20210728112003.png","categories":[],"width":"100%","provider_url":"https://hatena.blog","url":"https://blog.nflabs.jp/entry/2021/08/25/171430","published":"2021-08-25 17:14:30","blog_url":"https://blog.nflabs.jp/","author_url":"https://blog.hatena.ne.jp/nfl_iw/","author_name":"nfl_iw","blog_title":"NFLabs. \u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","height":"190","type":"rich","provider_name":"Hatena Blog"}