{"type":"rich","author_name":"ASnoKaze","blog_title":"ASnoKaze blog","provider_name":"Hatena Blog","description":"SNI\u3092\u7528\u3044\u305f\u901a\u4fe1\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u53ca\u3073\u3001\u300cEncrypted SNI\u62e1\u5f35\u300d\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306b\u3064\u3044\u3066\u306fIETF\u306eTLS WG\u3067\u3082\u8a71\u984c\u3068\u306a\u308a\u307e\u3057\u305f\uff08(TLS) SK filtering on SNI, blocking ESNI\uff09\u3002Encrypted SNI\u306fSNI\u3092\u6697\u53f7\u5316\u3059\u308b\u4e00\u65b9\u3067\u3001ClientHello\u306bencrypted_server_name\u62e1\u5f35\u3092\u3064\u3051\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7d4c\u8def\u4e0a\u306e\u89b3\u6e2c\u8005\u306fEncrypted SNI\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u77e5\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u30cb\u30bb\u306eSNI\u3092\u3064\u3051\u308b\u300cFake Server Name Indication\u300d\u3068\u3044\u3046draft\u304c\u63d0\u51fa\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u521d\u7248\u306edraft\u3067\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/A/ASnoKaze/20190220/20190220124940.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fasnokaze.hatenablog.com%2Fentry%2F2019%2F02%2F20%2F125103\" title=\"Fake SNI\u3068\u3044\u3046\u63d0\u6848\u4ed5\u69d8\u306b\u3064\u3044\u3066 - ASnoKaze blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","version":"1.0","blog_url":"https://asnokaze.hatenablog.com/","provider_url":"https://hatena.blog","height":"190","title":"Fake SNI\u3068\u3044\u3046\u63d0\u6848\u4ed5\u69d8\u306b\u3064\u3044\u3066","author_url":"https://blog.hatena.ne.jp/ASnoKaze/","url":"https://asnokaze.hatenablog.com/entry/2019/02/20/125103","published":"2019-02-20 12:51:03","categories":["TLS","internet-draft"]}