{"id":4797,"date":"2014-12-18T00:01:32","date_gmt":"2014-12-17T15:01:32","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=4797"},"modified":"2018-11-14T16:33:49","modified_gmt":"2018-11-14T07:33:49","slug":"%e3%82%ad%e3%83%a5%e3%83%bc%e3%83%88%e3%81%aa%e6%a6%82%e5%bf%b5%e5%9b%b3%ef%bc%88%e3%83%97%e3%83%a9%e3%82%a4%e3%83%90%e3%82%b7%e3%83%bc%e9%96%a2%e9%80%a3%e6%8a%80%e8%a1%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2014\/12\/18\/%e3%82%ad%e3%83%a5%e3%83%bc%e3%83%88%e3%81%aa%e6%a6%82%e5%bf%b5%e5%9b%b3%ef%bc%88%e3%83%97%e3%83%a9%e3%82%a4%e3%83%90%e3%82%b7%e3%83%bc%e9%96%a2%e9%80%a3%e6%8a%80%e8%a1%93%ef%bc%89\/","title":{"rendered":"\u30ad\u30e5\u30fc\u30c8\u306a\u6982\u5ff5\u56f3\uff08\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u95a2\u9023\u6280\u8853\uff09"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u4e2d\u5c71\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u306f <a title=\"TECHSCORE Advent Calendar 2014\" href=\"http:\/\/www.techscore.com\/blog\/2014\/11\/27\/techscore-advent-calendar-2014\/\">TECHSCORE Advent Calendar 2014<\/a> \u306e 18 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\uff08\u7aef\u7684\u306b\u306f\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\uff09\u95a2\u9023\u6280\u8853\u3092\u30ad\u30e5\u30fc\u30c8\u306a\u6982\u5ff5\u56f3\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u88dc\u8db3\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3068\u3001\u30ad\u30e5\u30fc\u30c8\u3068\u3044\u3046\u306e\u306f\u79c1\u306e\u4e3b\u89b3\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2014\/11\/p.png\" rel=\"facebox\" rel=\"attachment wp-att-4798\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-4798\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2014\/11\/p-300x224.png\" alt=\"p\" width=\"300\" height=\"224\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2014\/11\/p-300x224.png 300w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2014\/11\/p-1024x764.png 1024w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2014\/11\/p.png 1433w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u4eca\u56de\u306f\u3053\u306e\u30ad\u30e5\u30fc\u30c8\u306a\u56f3\u304b\u3089\u898b\u3066\u3068\u308c\u308b\u8ab2\u984c\u3092\u4e8c\u70b9\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3001\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>Cookie \u3068 JavaScript \u306b\u304a\u3051\u308b 1st\/3rd party \u306e\u6271\u3044\u76f8\u9055<\/h2>\n<p>\u30ad\u30e5\u30fc\u30c8\u306a\u56f3\u304b\u3089 Cookie \u3068 JavaScript \u3067\u306f 1st\/3rd \u306e\u95a2\u4fc2\u6027\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070 3rd party JavaScript \u306f 3rd party Cookie \u3067\u306f\u306a\u304f 1st party Cookie \u306b\u5bfe\u3057\u3066 R\/W \u3092\u884c\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f Cookie \u3068 JavaScript \u3067\u306f 1st\/3rd \u3067\u9069\u7528\u3055\u308c\u308b\u5236\u9650\u304c\u7570\u306a\u308a\u307e\u3059\u3002<br \/>\n\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306f 3rd party Cookie \u306e\u9001\u53d7\u4fe1\u3092\u5236\u9650\u3059\u308b\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4ed6\u65b9 JavaScript \u306e\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u8a2d\u5b9a\u304b\u3089\u53d7\u3051\u308b\u5236\u9650\u306b 1st\/3rd \u9593\u306e\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3053\u306e\u3053\u3068\u304b\u3089\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u884c\u3046\u4f01\u696d\u306f<\/p>\n<ul>\n<li>3rd party Cookie<\/li>\n<li>JavaScript \u7d4c\u7531\u306e 1st party Cookie<\/li>\n<\/ul>\n<p>\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u304c\u3057\u3070\u3057\u3070\u3042\u308a\u307e\u3059\u3002<br \/>\n\u5f8c\u8005\u306e\u5ef6\u9577\u7dda\u4e0a\u306b\u306f localStorage \u3084 cache \u7b49\u3092\u7528\u3044\u308b Super Cookie \u3068\u7dcf\u79f0\u3055\u308c\u308b\u6280\u8853\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u86c7\u8db3\u3067\u3059\u304c\u3001\u30b9\u30de\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u3067\u306f 3rd party JavaScript \u306b\u3088\u308a\u30da\u30fc\u30b8\u306e\u30ea\u30f3\u30af\u5148\u3092\u5909\u66f4\u3057 1st party Cookie \u3068\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u306b\u8b58\u5225\u5b50\u3092\u4fdd\u5b58\u3055\u305b\u308b\u3001\u3068\u3044\u3063\u305f\u624b\u6cd5\u3082\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p style=\"padding-left: 30px;\">\uff08\u672c\u6765\u306e\u30da\u30fc\u30b8\u9077\u79fb\uff09<\/p>\n<ol>\n<li>\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u793e\u306e\u30da\u30fc\u30b8\uff21<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u793e\u306e\u30da\u30fc\u30b8\uff22<\/li>\n<\/ol>\n<p style=\"padding-left: 30px;\">\uff08\u624b\u6cd5\u3092\u7528\u3044\u305f\u5834\u5408\u306e\u30da\u30fc\u30b8\u9077\u79fb\uff09<\/p>\n<ol>\n<li style=\"color: #ff0000;\">\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u884c\u3046\u4f01\u696d\u306e JavaScript \u304c\u30b5\u30fc\u30d3\u30b9\u306e\u30ea\u30f3\u30af\u5148\u3092\u5909\u66f4<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u793e\u306e\u30da\u30fc\u30b8\uff21<\/li>\n<li style=\"color: #ff0000;\">\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u884c\u3046\u4f01\u696d\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30bf<br \/>\n\u203b Cookie \u3092 1st party \u3068\u3057\u3066\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u30da\u30fc\u30b8\u9077\u79fb\u306b\u5272\u308a\u8fbc\u3080<br \/>\n\u203b \u81ea\u52d5\u7684\u306b\u30da\u30fc\u30b8\uff22\u306b\u9077\u79fb\u3059\u308b\u306e\u3067\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u610f\u8b58\u3055\u308c\u306a\u3044<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u793e\u306e\u30da\u30fc\u30b8\uff22<\/li>\n<\/ol>\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u6280\u8853\u306f<\/p>\n<ul>\n<li>1st party\uff08\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u8005\uff09\u306e\u30dd\u30ea\u30b7\u30fc<\/li>\n<li>\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e 3rd party Cookie \u8a2d\u5b9a<\/li>\n<\/ul>\n<p>\u306e\u5236\u9650\u3092\u53d7\u3051\u308b\u3053\u3068\u306a\u304f\u5229\u7528\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u8cb4\u65b9\u304c 3rd party \u304b\u3089\u306e\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u62d2\u5426\u3057\u305f\u304f\u3066\u3082\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u72b6\u6cc1\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u500b\u4eba\u7684\u306b\u306f\u30d6\u30e9\u30a6\u30b6\u306b 3rd party JavaScript \u306e\u6a29\u9650\u7ba1\u7406\u6a5f\u80fd\u304c\u5b9f\u88c5\u3055\u308c\u30011st party \u3084\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u5fc5\u8981\u306b\u5fdc\u3058\u3066 3rd party JavaScript \u306e Cookie \u3078\u306e\u30a2\u30af\u30bb\u30b9\u7b49\u3092\u5236\u9650\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308c\u3070\u826f\u3044\u306e\u3067\u306f\u3001\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Private Browsing \u6a5f\u80fd\u306e\u5f71\u97ff\u7bc4\u56f2\u5916\u306e\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u6280\u8853<\/h2>\n<p>\u30ad\u30e5\u30fc\u30c8\u306a\u56f3\u304b\u3089 FingerPrint \u304c Private Browsing \u6a5f\u80fd\u306e\u5f71\u97ff\u7bc4\u56f2\u5916\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b FingerPrint\uff08\u3082\u3057\u304f\u306f Browser FingerPrinting\uff09\u3068\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<blockquote><p>\nFingerPrint = message-digest (<\/p>\n<ul style=\"list-style-type: none\">\n<li>[Plug-in info via JavaScript] +<\/li>\n<li>[Device info via JavaScript] +<\/li>\n<li>[HTTP info] +<\/li>\n<li>[IP]<\/li>\n<\/ul>\n<p>)\n<\/p><\/blockquote>\n<p>IP \u306f FingerPrint \u306e\u5bff\u547d\u3068\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306b\u306a\u308b\u306e\u3067\u3001\u5229\u7528\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e FingerPrint \u3092\u7528\u305f\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306f Private Browsing \u6a5f\u80fd\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<br \/>\n\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u8cb4\u65b9\u304c\u79d8\u5bc6\u88cf\u306b\u95b2\u89a7\uff08\u3069\u306e\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3057\u3087\u3046\u304b\uff01\uff1f\uff09\u3057\u305f\u304f\u3068\u3082\u3001\u79d8\u5bc6\u306b\u51fa\u6765\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u73fe\u72b6\u30b9\u30de\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u306b\u5bfe\u3057\u3066\u306f FingerPrint \u306f\u6709\u52b9\u306a\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u624b\u6bb5\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u4f55\u6545\u306a\u3089 Plug-in info \u3084 Device info \u306e\u5dee\u5206\u3001\u3082\u3057\u304f\u306f\u305d\u306e\u3082\u306e\u3092\u62bd\u51fa\u3057\u96e3\u3044\u305f\u3081\u3067\u3059\u3002<br \/>\n\u3057\u304b\u3057\u5c06\u6765 Browser \u306e HW \u9023\u643a\u304c\u9032\u5316\u3057\u305f\u5834\u5408 Device info \u304c\u591a\u69d8\u6027\u3092\u5897\u3057 FingerPrint \u306f\u6709\u52b9\u306a\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070 Canvas FingerPrint \u306e\u5229\u7528\u306f\u305d\u306e\u5146\u5019\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u72b6\u6cc1\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u500b\u4eba\u7684\u306b\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u304c\u5b9f\u88c5\u3055\u308c\u308c\u3070\u826f\u3044\u306e\u3067\u306f\u3001\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>Private Browsing \u6642\u306b\u306f HW \u6a5f\u80fd\u306e\u6d3b\u7528\u8a31\u53ef\u3092\u554f\u3046\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u51fa\u308b<br \/>\uff08= Device info \u5bfe\u7b56\uff09<\/li>\n<li>Private Browsing \u6642\u306b\u306f HTTP Header \u306b\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u5165\u308c\u3001\u9806\u5e8f\u3082\u5909\u5316\u3055\u305b\u308b<br \/>\uff08= HTTP info \u5bfe\u7b56\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u304a\u8aad\u307f\u306e\u7686\u69d8\u306e\u30a2\u30a4\u30c7\u30a2\u306a\u3069\u805e\u304b\u305b\u3066\u9802\u3051\u307e\u3059\u3068\u5e78\u3044\u3067\u3059\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u4e2d\u5c71\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u306f TECHSCORE Advent Calendar 2014 \u306e 18 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\uff08\u7aef\u7684\u306b\u306f\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\uff09\u95a2\u9023\u6280\u8853\u3092\u30ad\u30e5\u30fc\u30c8\u306a\u6982\u5ff5\u56f3\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2014\/12\/18\/%e3%82%ad%e3%83%a5%e3%83%bc%e3%83%88%e3%81%aa%e6%a6%82%e5%bf%b5%e5%9b%b3%ef%bc%88%e3%83%97%e3%83%a9%e3%82%a4%e3%83%90%e3%82%b7%e3%83%bc%e9%96%a2%e9%80%a3%e6%8a%80%e8%a1%93%ef%bc%89\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[141,273,186,184,219],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4797"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=4797"}],"version-history":[{"count":26,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4797\/revisions"}],"predecessor-version":[{"id":5739,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/4797\/revisions\/5739"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=4797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=4797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=4797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}