{"id":21075,"date":"2019-10-17T04:00:00","date_gmt":"2019-10-17T04:00:00","guid":{"rendered":"https:\/\/www.lightspeedsystems.com\/blog\/what-schools-need-to-know-about-web-filtering\/"},"modified":"2025-03-20T14:59:36","modified_gmt":"2025-03-20T18:59:36","slug":"what-schools-need-to-know-about-web-filtering","status":"publish","type":"post","link":"https:\/\/www.lightspeedsystems.com\/ja\/blog\/what-schools-need-to-know-about-web-filtering\/","title":{"rendered":"DNS over HTTPS \u2013 DoH \u306b\u3088\u308b Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u3064\u3044\u3066\u5b66\u6821\u304c\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068"},"content":{"rendered":"<div class=\"section__content__main__content\">\n<h2>\n<span><br \/>\n<span><br \/>\nDoH \u306b\u3088\u308a\u5b66\u6821\u306e\u30a6\u30a7\u30d6\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u9032\u5316<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h2>\n<p>\u6700\u8fd1\u3001 <a href=\"https:\/\/blog.mozilla.org\/futurereleases\/2019\/09\/06\/whats-next-in-making-dns-over-https-the-default\/\">Mozilla\u304c\u767a\u8868<\/a> \u540c\u793e\u306f9\u6708\u4e0b\u65ec\u304b\u3089Firefox\u30d6\u30e9\u30a6\u30b6\u306bDNS-over-HTTPS\uff08DoH\uff09\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5b9f\u88c5\u3059\u308b\u8a08\u753b\u3060\u3002\u305d\u306e\u5f8c\u3059\u3050\u306b\u3001 <a href=\"https:\/\/blog.chromium.org\/2019\/09\/experimenting-with-same-provider-dns.html\">Google\u304c\u767a\u8868<\/a> Chrome \u30d6\u30e9\u30a6\u30b6\u306b\u3082\u540c\u3058\u3053\u3068\u3092\u884c\u3046\u4e88\u5b9a\u3067\u3059\u3002Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u5b66\u6821\u3078\u306e\u5f71\u97ff\u306f\u5927\u304d\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u751f\u5f92\u3092\u4fdd\u8b77\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5b66\u6821\u306b\u3068\u3063\u3066\u3001DoH \u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u304b\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\nDOH\u3068\u306f\u4f55\u3067\u3059\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>DoH \u306f DNS Over HTTPS \u306e\u7565\u3067\u3059\u3002DNS \u306f Domain Name System \u306e\u7565\u3067\u3001\u30b5\u30a4\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u540d (www.something.com \u306a\u3069) \u3092 IP \u30a2\u30c9\u30ec\u30b9\u3068\u7167\u5408\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Web \u306e\u95b2\u89a7\u3084\u304a\u6c17\u306b\u5165\u308a\u306e\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u3001\u3053\u308c\u3089\u3059\u3079\u3066\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044 DNS \u63a5\u7d9a\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u3066\u304d\u307e\u3057\u305f\u3002DNS over HTTPs \u3068\u3044\u3046\u540d\u524d\u304c\u793a\u3059\u3088\u3046\u306b\u3001DoH \u306f DNS \u3092\u5b89\u5168\u306a\u6697\u53f7\u5316\u3055\u308c\u305f HTTPs \u63a5\u7d9a\u306b\u79fb\u884c\u3057\u307e\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\n\u306a\u305cDOH\u306a\u306e\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>Mozilla \u3068 Google \u306f\u3001HTTPS \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u5229\u70b9\u3092 DNS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3082\u305f\u3089\u3059\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u5909\u66f4\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u516c\u8846 WiFi \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ea\u30b9\u30af\u306b\u95a2\u3059\u308b\u8b66\u544a\u306f\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3057\u305f\u304c\u3001DoH \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u6697\u53f7\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u4ed6\u306e WiFi \u30e6\u30fc\u30b6\u30fc\u306b\u81ea\u5206\u304c\u30a2\u30af\u30bb\u30b9\u3057\u305f Web \u30b5\u30a4\u30c8\u3092\u898b\u3089\u308c\u308b\u3053\u3068\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001DoH \u306f\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084\u30d5\u30a1\u30fc\u30df\u30f3\u30b0\u653b\u6483\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3082\u8ffd\u52a0\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u81ea\u5206\u306e Web \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u898b\u308b\u306e\u3092\u9632\u3050\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\n\u5b66\u6821\u306b\u3068\u3063\u3066DOH\u306f\u4f55\u3092\u610f\u5473\u3057\u307e\u3059\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>DoH \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b5\u30fc\u30d3\u30b9\u304c Web \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002\u3057\u304b\u3057\u3001Web \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u308b\u3053\u3068\u306f\u3001\u5b66\u6821\u304c Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u306e\u305f\u3081\u306b\u983c\u308a\u306b\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3059\u3002Google \u304c\u6570\u5e74\u524d\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u691c\u7d22\u3084\u305d\u306e\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3057\u305f\u306e\u3068\u540c\u69d8\u306b\u3001\u3053\u308c\u306f\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5b66\u6821\u306b\u3068\u3063\u3066\u306f\u5927\u304d\u306a\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u5b66\u6821\u306f\u3001\u5b66\u6821\u6240\u6709\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u76e3\u8996\u3001\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u306a\u3069\u306e\u91cd\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u751f\u5f92\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898b\u308b\u80fd\u529b\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\nDOH \u306f\u3044\u3064\u767a\u52b9\u3057\u307e\u3059\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>Firefox \u306f\u3059\u3067\u306b\u6bb5\u968e\u7684\u306b DOH \u3078\u306e\u79fb\u884c\u3092\u958b\u59cb\u3057\u3066\u3044\u307e\u3059\u3002Chrome \u306f\u5e74\u672b\u307e\u3067\u306b\u4e00\u90e8\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u79fb\u884c\u3092\u958b\u59cb\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\n\u3053\u308c\u306f\u3042\u306a\u305f\u306e\u5b66\u6821\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>\u5b66\u6821\u306e Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b DNS \u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9069\u5207\u306a\u6e96\u5099\u3084\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u306a\u3051\u308c\u3070\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u78ba\u5b9f\u306b\u30d6\u30ed\u30c3\u30af\u3067\u304d\u305a\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u52b9\u679c\u3092\u767a\u63ee\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Lightspeed Systems \u306e\u304a\u5ba2\u69d8\u306b\u306f\u3001\u5f53\u793e\u304c\u5bfe\u5fdc\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\nLightspeed Systems \u306f DoH \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>Lightspeed Filter\u2122 \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306b Smart Agents\u2122 \u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3001\u6700\u3082\u304d\u3081\u7d30\u304b\u304f\u6697\u53f7\u5316\u3055\u308c\u305f\u5b66\u6821\u5411\u3051 Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u63d0\u4f9b\u3055\u308c\u308b\u305f\u3081\u3001DoH \u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002Smart Agents\u2122 \u306f DNS \u3092\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002<br \/>\n\u5f53\u793e\u306e Lightspeed Rocket\u2122 (BYOD \u304a\u3088\u3073 IoT \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7528) \u306f DNS \u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u5f53\u793e\u306f DNS over HTTPS \u7528\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u6e96\u5099\u3057\u3066\u304a\u308a\u3001Rocket \u306f DoH \u30c9\u30e1\u30a4\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u6a19\u6e96 DNS \u306b\u5f37\u5236\u7684\u306b\u623b\u3055\u308c\u3001\u305d\u3053\u3067\u78ba\u8a8d\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u30ec\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002<br \/>\nInline Rocket Web Filter \u306e\u9867\u5ba2\u306f\u3001DoH \u5168\u4f53\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\n<span><br \/>\n<span><br \/>\n\u4ed6\u306e Web \u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u4f55\u3092\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b?<br \/>\n<\/span><br \/>\n<\/span><br \/>\n<\/h3>\n<p>Lightspeed Systems \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001DoH \u3078\u306e\u79fb\u884c\u5f8c\u3082\u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u679c\u7684\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u5b66\u6821\u306e Web \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u5225\u306e DNS \u30d5\u30a3\u30eb\u30bf\u3001\u307e\u305f\u306f\u4ed6\u306e\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9 \u30d5\u30a3\u30eb\u30bf\u306e DNS \u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u9023\u7d61\u3057\u3066\u3001DoH \u306b\u3088\u308b\u7d99\u7d9a\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u4fdd\u8a3c\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30a4\u30f3\u30e9\u30a4\u30f3\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001DoH\u3092\u52b9\u679c\u7684\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\uff08\u305f\u3060\u3057\u3001 <a href=\"https:\/\/www.lightspeedsystems.com\/ja\/ebook\/k12-content-filtering-guide\/\">\u30af\u30e9\u30a6\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u3082\u305f\u3089\u3059\u305d\u306e\u4ed6\u306e\u30e1\u30ea\u30c3\u30c8<\/a>).<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u5b66\u6821\u306e\u30a6\u30a7\u30d6\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306fDoH\u306e\u5c0e\u5165\u3067\u9032\u5316\u3092\u9042\u3052\u308b \u6700\u8fd1\u3001Mozilla\u306f9\u6708\u4e0b\u65ec\u304b\u3089Firefox\u30d6\u30e9\u30a6\u30b6\u306bDNS-over-HTTPS\uff08DoH\uff09\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5b9f\u88c5\u3059\u308b\u8a08\u753b\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u305d\u308c\u3067\u2026<\/p>","protected":false},"author":14,"featured_media":32205,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[10,15],"class_list":["post-21075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-lightspeed-filter","tag-web-content-filtering"],"acf":{"authors":[531]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What You Should Know about School Web Filtering<\/title>\n<meta name=\"description\" content=\"Mozilla implemented DNS-over-HTTPS (DoH) by default on Firefox. 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