{"id":12402426,"date":"2026-05-31T13:01:56","date_gmt":"2026-05-31T05:01:56","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/ssl-%e8%af%81%e4%b9%a6%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a%ef%bc%8c%e5%85%a8%e9%9d%a2%e8%a7%a3%e6%9e%90-https-%e5%ae%89%e5%85%a8%e5%8a%a0%e5%af%86\/"},"modified":"2026-05-31T13:47:27","modified_gmt":"2026-05-31T05:47:27","slug":"ssl-certificate-guide-https-encryption-12402426","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/ja\/knowledge\/ssl-certificate\/ssl-certificate-guide-https-encryption-12402426\/","title":{"rendered":"SSL\u8a3c\u660e\u66f8\u3068\u306f\u4f55\u304b\uff1fHTTPS\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6697\u53f7\u5316\u306b\u3064\u3044\u3066\u3001\u521d\u5fc3\u8005\u304b\u3089\u4e0a\u7d1a\u8005\u307e\u3067\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002"},"content":{"rendered":"<p 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class=\"wp-block-heading\">SSL\u8a3c\u660e\u66f8\u306e\u6838\u5fc3\u7684\u306a\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SSL\/TLS\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6838\u5fc3\u306f\u3001\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u3068\u5bfe\u79f0\u6697\u53f7\u5316\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3042\u308a\u3001\u3055\u3089\u306b\u4fe1\u983c\u3067\u304d\u308b\u7b2c\u4e09\u8005\u3067\u3042\u308b\u8a3c\u660e\u66f8\u767a\u884c\u6a5f\u95a2\uff08CA\uff09\u306b\u3088\u308b\u8a8d\u8a3c\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u3068\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u3081\u3066HTTPS\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u300cSSL\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u300d\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u81ea\u8eab\u306eSSL\u8a3c\u660e\u66f8\uff08\u516c\u958b\u9375\u3092\u542b\u3080\uff09\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u305d\u306e\u8a3c\u660e\u66f8\u306b\u542b\u307e\u308c\u308b\u516c\u958b\u9375\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3055\u308c\u305f\u300c\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u300d\u3092\u6697\u53f7\u5316\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u308a\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u3092\u89e3\u8aad\u3067\u304d\u308b\u306e\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u79d8\u5bc6\u9375\u3092\u6301\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u9375\u306e\u4ea4\u63db\u304c\u5b89\u5168\u306b\u884c\u308f\u308c\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u63a8\u85a6\u56f3\u66f8 <a href=\"https:\/\/www.likacloud.com\/ja\/knowledge\/ssl-certificate\/ssl-certificate-guide-website-security-trust-2026\/\">SSL\u8a3c\u660e\u66f8\u306e\u7a76\u6975\u30ac\u30a4\u30c9\uff1a\u539f\u7406\u304b\u3089\u30c7\u30d7\u30ed\u30a4\u307e\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u65b9\u6cd5<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">\u5bfe\u79f0\u6697\u53f7\u5316\u3068\u30c7\u30fc\u30bf\u8ee2\u9001<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u5ea6\u4e21\u8005\u304c\u540c\u3058\u300c\u30bb\u30c3\u30b7\u30e7\u30f3\u9375\u300d\u3092\u5b89\u5168\u306b\u5171\u6709\u3059\u308b\u3068\u3001\u305d\u306e\u5f8c\u306e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306f\u3088\u308a\u52b9\u7387\u7684\u306a\u5bfe\u79f0\u6697\u53f7\u5316\u306b\u5207\u308a\u66ff\u308f\u308a\u307e\u3059\u3002\u4e21\u8005\u306f\u3053\u306e\u540c\u3058\u9375\u3092\u4f7f\u7528\u3057\u3066\u901a\u4fe1\u5185\u5bb9\u3092\u6697\u53f7\u5316\u304a\u3088\u3073\u5fa9\u53f7\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u8ee2\u9001\u30d7\u30ed\u30bb\u30b9\u306e\u52b9\u7387\u6027\u3068\u6a5f\u5bc6\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n<div class=\"grid grid-cols-1 md:grid-cols-2 gap-4 md:gap-6 mb-8 md:mb-10 mt-10\"> \r\n\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u5f00\u59cb -->\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/bluehost-ssl-certificates\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251231095917.webp\" alt=\"\u30d6\u30eb\u30fc\u30db\u30b9\u30c8\u306eSSL\u8a3c\u660e\u66f8\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">\u30d6\u30eb\u30fc\u30db\u30b9\u30c8\u306eSSL\u8a3c\u660e\u66f8<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">\u30d6\u30eb\u30fc\u30db\u30b9\u30c8\u306eSSL\u8a3c\u660e\u66f8\u306f\u30011\uff5e2\u5e74\u306e\u5ef6\u9577\u671f\u9593\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001RSA\u307e\u305f\u306fECC\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30ad\u30fc\u9577\u306f\u6700\u59274096\u30d3\u30c3\u30c8\u3067\u3001\u6700\u5927175\u4e07\u30c9\u30eb\u306e\u4fdd\u8a3c\u91d1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">\u6708\u984d$7.49\u7c73\u30c9\u30eb\u304b\u3089<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/bluehost-ssl-certificates\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">\u30d6\u30eb\u30fc\u30db\u30b9\u30c8\u306eSSL\u8a3c\u660e\u66f8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/hosting-com-ssl-certificates\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227070008.webp\" alt=\"\u30db\u30b9\u30c6\u30a3\u30f3\u30b0.com\u306eSSL\u8a3c\u660e\u66f8\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">\u30db\u30b9\u30c6\u30a3\u30f3\u30b0.com\u306eSSL\u8a3c\u660e\u66f8<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">\u304a\u624b\u9803\u306a\u4fa1\u683c\u306e DV\u3001OV\u3001EV SSL \u8a3c\u660e\u66f8\u3002\u6700\u5927 256 \u30d3\u30c3\u30c8\u306e\u6697\u53f7\u5316\u300150 \u4e07\uff5e100 \u4e07\u7c73\u30c9\u30eb\u306e\u4fdd\u8a3c\u91d1\u3001\u5e74\u4e2d\u7121\u4f11\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">\u6708\u984d$2.5\u7c73\u30c9\u30eb\u304b\u3089<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/hosting-com-ssl-certificates\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">\u30db\u30b9\u30c6\u30a3\u30f3\u30b0.com\u306eSSL\u8a3c\u660e\u66f8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u7ed3\u675f -->\r\n<\/div>\r\n\r\n\r\n\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u8a3c\u660e\u66f8\u767a\u884c\u6a5f\u95a2\uff08CA: Certificate Authority\uff09\u306e\u5f79\u5272<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u306e\u57fa\u76e4\u3068\u306a\u308b\u5b58\u5728\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u6240\u6709\u8005\u306fCA\u306b\u8a3c\u660e\u66f8\u306e\u7533\u8acb\u3092\u884c\u3044\u3001CA\u306f\u7533\u8acb\u8005\u306e\u8eab\u5143\uff08\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u6240\u6709\u6a29\u3084\u7d44\u7e54\u60c5\u5831\u306a\u3069\uff09\u3092\u53b3\u683c\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u78ba\u8a8d\u304c\u901a\u904e\u3059\u308b\u3068\u3001CA\u306f\u81ea\u8eab\u306e\u79d8\u5bc6\u9375\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u884c\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3084\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u4fe1\u983c\u3067\u304d\u308bCA\u306e\u30eb\u30fc\u30c8\u8a3c\u660e\u66f8\u30ea\u30b9\u30c8\u304a\u3088\u3073\u305d\u306e\u516c\u958b\u9375\u304c\u4e8b\u524d\u306b\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u308c\u306b\u57fa\u3065\u3044\u3066\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u306e\u7f72\u540d\u306e\u6709\u52b9\u6027\u3092\u691c\u8a3c\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u6b63\u4f53\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL\u8a3c\u660e\u66f8\u306e\u4e3b\u306a\u7a2e\u985e\u3068\u9078\u629e\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u691c\u8a3c\u30ec\u30d9\u30eb\u3068\u6a5f\u80fd\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u3001SSL\u8a3c\u660e\u66f8\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u81ea\u5206\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u72b6\u6cc1\u306b\u5408\u308f\u305b\u3066\u9069\u5207\u306a\u8a3c\u660e\u66f8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u691c\u8a3c\u578b\u8a3c\u660e\u66f8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DV\u8a3c\u660e\u66f8\u306f\u3001\u8a8d\u8a3c\u30ec\u30d9\u30eb\u304c\u6700\u3082\u4f4e\u304f\u3001\u767a\u884c\u901f\u5ea6\u304c\u6700\u3082\u901f\u3044\u8a3c\u660e\u66f8\u30bf\u30a4\u30d7\u3067\u3059\u3002CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u306f\u3001\u7533\u8acb\u8005\u304c\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u3059\u308b\u7ba1\u7406\u6a29\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u306e\u307f\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff08\u4f8b\u3048\u3070\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u89e3\u6c7a\u30ec\u30b3\u30fc\u30c9\u306e\u691c\u8a3c\u3092\u901a\u3058\u3066\uff09\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u57fa\u672c\u7684\u306a\u6697\u53f7\u5316\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3057\u3066\u3044\u308b\u4f01\u696d\u3084\u7d44\u7e54\u306e\u8eab\u5143\u3092\u8a3c\u660e\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u500b\u4eba\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3001\u30d6\u30ed\u30b0\u3001\u307e\u305f\u306f\u30c6\u30b9\u30c8\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Organizational Validation Certificate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OV\u8a3c\u660e\u66f8\u306f\u3088\u308a\u9ad8\u3044\u30ec\u30d9\u30eb\u306e\u4fe1\u983c\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u6240\u6709\u6a29\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u7533\u8acb\u4f01\u696d\u306e\u5b9f\u5728\u6027\uff08\u55b6\u696d\u8a31\u53ef\u8a3c\u306a\u3069\uff09\u3082\u691c\u8a3c\u3057\u307e\u3059\u3002\u8a3c\u660e\u66f8\u306e\u8a73\u7d30\u306b\u306f\u691c\u8a3c\u6e08\u307f\u306e\u4f01\u696d\u540d\u60c5\u5831\u304c\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u904b\u55b6\u8005\u304c\u5408\u6cd5\u7684\u306a\u5b9f\u4f53\u3067\u3042\u308b\u3053\u3068\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u8a3c\u660e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f01\u696d\u306e\u516c\u5f0f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u96fb\u5b50\u5546\u53d6\u5f15\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u63a8\u85a6\u56f3\u66f8 <a href=\"https:\/\/www.likacloud.com\/ja\/knowledge\/ssl-certificate\/ssl-certificate-guide-types-deployment-12401616\/\">SSL\u8a3c\u660e\u66f8\u3068\u306f\u4f55\u304b\uff1f\u305d\u306e\u4ed5\u7d44\u307f\u3001\u7a2e\u985e\u3001\u304a\u3088\u3073\u30c7\u30d7\u30ed\u30a4\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306a\u89e3\u8aac\u3067\u3059\u3002<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">\u62e1\u5f35\u691c\u8a3c\u578b\u8a3c\u660e\u66f8\uff08Extended Validation Certificate\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EV\u8a3c\u660e\u66f8\u306f\u3001\u6700\u3082\u53b3\u683c\u306a\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u3066\u767a\u884c\u3055\u308c\u308b\u8a3c\u660e\u66f8\u3067\u3042\u308a\u3001\u4fe1\u983c\u6027\u3082\u975e\u5e38\u306b\u9ad8\u3044\u3067\u3059\u3002CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u306f\u3001\u4f01\u696d\u306e\u6cd5\u7684\u306a\u5b58\u5728\u3001\u7269\u7406\u7684\u306a\u5b58\u5728\u3001\u304a\u3088\u3073\u904b\u55b6\u72b6\u6cc1\u306a\u3069\u3092\u78ba\u8a8d\u3059\u308b\u53b3\u683c\u306a\u5be9\u67fb\u3092\u884c\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001EV\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u306b\u4f01\u696d\u540d\u304c\u7dd1\u8272\u3067\u8868\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u6700\u3082\u76f4\u611f\u7684\u306a\u8eab\u5143\u78ba\u8a8d\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u306f\u3001\u91d1\u878d\u6a5f\u95a2\u3084\u5927\u624be\u30b3\u30de\u30fc\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306a\u3069\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30de\u30eb\u30c1\u30c9\u30e1\u30a4\u30f3\u5bfe\u5fdc\u306e\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u691c\u8a3c\u30ec\u30d9\u30eb\u306b\u3088\u308b\u5206\u985e\u306e\u4ed6\u306b\u3001\u30ab\u30d0\u30fc\u7bc4\u56f2\u306b\u3088\u308b\u5206\u985e\u3082\u5b58\u5728\u3057\u307e\u3059\u3002\u30de\u30eb\u30c1\u30c9\u30e1\u30a4\u30f3\u8a3c\u660e\u66f8\u306f\u30011\u679a\u306e\u8a3c\u660e\u66f8\u3067\u8907\u6570\u306e\u5b8c\u5168\u306b\u7570\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u306f\u30011\u679a\u306e\u8a3c\u660e\u66f8\u3067\u30e1\u30a4\u30f3\u30c9\u30e1\u30a4\u30f3\u540d\u304a\u3088\u3073\u305d\u306e\u3059\u3079\u3066\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u4f8b\uff1a\uff09 <code data-no-auto-translation=\"\">*.example.com<\/code> \u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 <code data-no-auto-translation=\"\">blog.example.com<\/code>\uff0c <code data-no-auto-translation=\"\">shop.example.com<\/code> \u306a\u3069\uff09\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u8907\u96d1\u306a\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u69cb\u9020\u3092\u6301\u3064\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u3092\u5927\u5e45\u306b\u5bb9\u6613\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306bSSL\u8a3c\u660e\u66f8\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SSL\u8a3c\u660e\u66f8\u306e\u30c7\u30d7\u30ed\u30a4\u306f\u4f53\u7cfb\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u4e3b\u306b\u7533\u8acb\u3001\u691c\u8a3c\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001\u8a2d\u5b9a\u3068\u3044\u3046\u3044\u304f\u3064\u304b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\n  <div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\n         data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-ssl-certificates\/\">\n\n      <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\n        <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">UltaHost\u306eSSL\u8a3c\u660e\u66f8<\/strong>\n        <div class=\"text-gray-600 dark:text-gray-300 word-word\">DV\u3001EV\u3001OV\u8a3c\u660e\u66f8\u306f\u3001\u6700\u5927$1\u306e\u4fdd\u8a3c\u91d1\u984d\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u7121\u5236\u9650\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001iOS\u304a\u3088\u3073Android\u30a2\u30d7\u30ea\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u5178\u3068\u3057\u3066\u300120%\u306f\u6708\u984d$15.95\u7c73\u30c9\u30eb\u304b\u3089\u3067\u300130\u65e5\u9593\u306e\u8fd4\u91d1\u4fdd\u8a3c\u304c\u4ed8\u304d\u307e\u3059\u3002<\/div>\n      <\/div>\n\n      <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\n                  <a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-ssl-certificates\/\">\n                          <!-- \u767d\u5929 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227020448.webp\" alt=\"SSL\u8a3c\u660e\u66f8\u306e\u30ed\u30b4\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\n              <!-- \u591c\u95f4 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229052118.webp\" alt=\"SSL\u8a3c\u660e\u66f8\u306e\u30ed\u30b4\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\n                      <\/a>\n          \n        <a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-ssl-certificates\/\"\n           class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\n          UltaHost\u3092\u8a2a\u554f\u3059\u308b        <\/a>\n      <\/div>\n    <\/div>\n\n    \n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u8a3c\u660e\u66f8\u306e\u7533\u8acb\u3068CSR\uff08Certificate Signing Request\uff09\u306e\u751f\u6210<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u8a3c\u660e\u66f8\u7f72\u540d\u8981\u6c42\u30d5\u30a1\u30a4\u30eb\uff08CSR: Certificate Signing Request\uff09\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002CSR\u306b\u306f\u3001\u304a\u5ba2\u69d8\u306e\u516c\u958b\u9375\u304a\u3088\u3073\u95a2\u9023\u3059\u308b\u7d44\u7e54\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002CSR\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u5bfe\u5fdc\u3059\u308b\u79d8\u5bc6\u9375\u3082\u81ea\u52d5\u7684\u306b\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u79d8\u5bc6\u9375\u306f\u53b3\u91cd\u306b\u4fdd\u7ba1\u3057\u3001\u7d76\u5bfe\u306b\u6f0f\u6d29\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u5f8c\u3001\u751f\u6210\u3057\u305fCSR\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u305f\u8a3c\u660e\u66f8\u767a\u884c\u6a5f\u95a2\u306b\u63d0\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7533\u8acb\u3057\u305f\u8a3c\u660e\u66f8\u306e\u7a2e\u985e\u306b\u5fdc\u3058\u3066\u3001CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u306f\u5bfe\u5fdc\u3059\u308b\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3057\u307e\u3059\u3002DV\u8a3c\u660e\u66f8\u306e\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306b\u3088\u308b\u8a8d\u8a3c\u3001DNS\u306b\u7279\u5b9a\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3001\u307e\u305f\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u306a\u3069\u306e\u65b9\u6cd5\u3067\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u6240\u6709\u6a29\u3092\u8a3c\u660e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002OV\/EV\u8a3c\u660e\u66f8\u306e\u5834\u5408\u306b\u306f\u3001CA\u306e\u8981\u6c42\u306b\u5fdc\u3058\u3066\u4f01\u696d\u306e\u8cc7\u683c\u66f8\u985e\u3092\u63d0\u51fa\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u691c\u8a3c\u306e\u305f\u3081\u306e\u96fb\u8a71\u306b\u5fdc\u7b54\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u691c\u8a3c\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001CA\uff08\u8a8d\u8a3c\u6a5f\u95a2\uff09\u304b\u3089\u767a\u884c\u3055\u308c\u305f\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u3092\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4e2d\u9593CA\u306e\u8a3c\u660e\u66f8\u30c1\u30a7\u30fc\u30f3\u3068\u5171\u306b\u3001\u3054\u4f7f\u7528\u306eWeb\u30b5\u30fc\u30d0\u30fc\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Nginx\u3084Apache\u306a\u3069\u306e\u4e00\u822c\u7684\u306aWeb\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3001443\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3001\u6b63\u3057\u3044\u8a3c\u660e\u66f8\u304a\u3088\u3073\u79d8\u5bc6\u9375\u306e\u30d1\u30b9\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u9069\u5207\u306b\u4fee\u6b63\u3059\u308b\u3053\u3068\u3067\u3001SSL\/TLS\u901a\u4fe1\u3092\u6b63\u5e38\u306b\u6a5f\u80fd\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u63a8\u85a6\u56f3\u66f8 <a href=\"https:\/\/www.likacloud.com\/ja\/knowledge\/ssl-certificate\/ssl-certificate-guide-website-security-trust-%e7%9f%a5%e8%af%86\/\">SSL\u8a3c\u660e\u66f8\u306e\u8a73\u7d30\u89e3\u8aac\uff1a\u521d\u5fc3\u8005\u304b\u3089\u4e0a\u7d1a\u8005\u307e\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">HTTPS\u306e\u30c1\u30a7\u30c3\u30af\u3068\u5f37\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u8a3c\u660e\u66f8\u304c\u6b63\u3057\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u8a3c\u660e\u66f8\u306e\u30c1\u30a7\u30fc\u30f3\u304c\u5b8c\u5168\u3067\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u5f8c\u306b\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8a2d\u5b9a\u3057\u3066HTTP\u7d4c\u7531\u306e\u3059\u3079\u3066\u306e\u30a2\u30af\u30bb\u30b9\u30ea\u30af\u30a8\u30b9\u30c8\u3092HTTPS\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u6c38\u7d9a\u7684\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5e38\u306b\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u901a\u3058\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SSL\u8a3c\u660e\u66f8\u306f\u5358\u306a\u308b\u6280\u8853\u88fd\u54c1\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4fe1\u983c\u95a2\u4fc2\u3092\u69cb\u7bc9\u3057\u3001\u30c7\u30fc\u30bf\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u6838\u5fc3\u7684\u306a\u30a4\u30f3\u30d5\u30e9\u3067\u3059\u3002\u6700\u3082\u57fa\u672c\u7684\u306aDV\u8a3c\u660e\u66f8\u304b\u3089\u6700\u3082\u9ad8\u30ec\u30d9\u30eb\u306eEV\u8a3c\u660e\u66f8\u306b\u81f3\u308b\u307e\u3067\u3001\u53b3\u683c\u306a\u6697\u53f7\u5316\u6280\u8853\u3068\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u9593\u306b\u5b89\u5168\u306a\u6a4b\u6e21\u3057\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4ed5\u7d44\u307f\u3084\u7a2e\u985e\u306e\u9055\u3044\u3001\u5c0e\u5165\u30d7\u30ed\u30bb\u30b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u904b\u55b6\u8005\u3001\u958b\u767a\u8005\u3001\u305d\u3057\u3066\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u4fa1\u5024\u304c\u969b\u7acb\u3064\u4eca\u65e5\u306b\u304a\u3044\u3066\u3001\u52b9\u679c\u7684\u306aSSL\u8a3c\u660e\u66f8\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306f\u3001\u898b\u904e\u3054\u305b\u306a\u3044\u57fa\u672c\u7684\u306a\u8cac\u4efb\u3067\u3042\u308a\u3001\u6700\u5584\u306e\u5b9f\u8df5\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306bSSL\u8a3c\u660e\u66f8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3001\u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306bSSL\u8a3c\u660e\u66f8\u306e\u5c0e\u5165\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b88\u308b\u305f\u3081\u3060\u3051\u3067\u306a\u304f\u3001\u4e3b\u6d41\u306e\u30d6\u30e9\u30a6\u30b6\u304cHTTPS\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u300c\u5b89\u5168\u3067\u306a\u3044\u300d\u3068\u3057\u3066\u30de\u30fc\u30af\u3059\u308b\u305f\u3081\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3068\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4fe1\u983c\u6027\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u3055\u3089\u306b\u3001HTTPS\u306f\u591a\u304f\u306e\u73fe\u4ee3\u306eWeb\u6280\u8853\uff08\u4e00\u90e8\u306e\u30d6\u30e9\u30a6\u30b6API\u306a\u3069\uff09\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u57fa\u672c\u8981\u4ef6\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SSL\u8a3c\u660e\u66f8\u3068TLS\u8a3c\u660e\u66f8\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u79c1\u305f\u3061\u304c\u901a\u5e38\u300cSSL\u8a3c\u660e\u66f8\u300d\u3068\u547c\u3093\u3067\u3044\u308b\u3082\u306e\u306f\u3001\u5b9f\u969b\u306b\u306fTLS\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u57fa\u3065\u3044\u305f\u8a3c\u660e\u66f8\u306e\u3053\u3068\u3067\u3059\u3002SSL\u306f\u305d\u306e\u524d\u8eab\u3067\u3042\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30b1\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc\u30d7\u30ed\u30c8\u30b3\u30eb\uff08Secure Sockets Layer\uff09\u306e\u7565\u3067\u3042\u308a\u3001TLS\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\uff08Transport Layer Security\uff09\u306e\u3053\u3068\u3067\u3001SSL\u306e\u6539\u826f\u7248\u3067\u3042\u308a\u3001\u3088\u308a\u5b89\u5168\u306a\u5f8c\u7d99\u8005\u3067\u3059\u3002<br \/>\n\u6b74\u53f2\u7684\u306a\u6163\u7fd2\u304b\u3089\u3001\u300cSSL\u8a3c\u660e\u66f8\u300d\u3068\u3044\u3046\u540d\u79f0\u306f\u5e83\u304f\u4f7f\u308f\u308c\u7d9a\u3051\u3066\u304a\u308a\u3001HTTPS\u6697\u53f7\u5316\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u6307\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001\u73fe\u5728\u307b\u3068\u3093\u3069\u304cTLS\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7121\u6599\u306eSSL\u8a3c\u660e\u66f8\u3068\u6709\u6599\u306eSSL\u8a3c\u660e\u66f8\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u514d\u8d39\u8bc1\u4e66\uff08\u5982 Let\u2018s Encrypt \u9881\u53d1\uff09\u901a\u5e38\u662f DV \u7c7b\u578b\uff0c\u63d0\u4f9b\u4e86\u4e0e\u4ed8\u8d39 DV \u8bc1\u4e66\u76f8\u540c\u7684\u52a0\u5bc6\u5f3a\u5ea6\u3002\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u6709\u6548\u671f\u8f83\u77ed\uff08\u901a\u5e38 90 \u5929\uff09\uff0c\u9700\u8981\u9891\u7e41\u7eed\u671f\uff0c\u5e76\u4e14\u4e00\u822c\u4e0d\u542b\u6280\u672f\u652f\u6301\u6216\u8d28\u91cf\u4fdd\u8bc1\u3002<br \/>\n\u6709\u6599\u306e\u8a3c\u660e\u66f8\u3067\u306f\u3001\u3088\u308a\u9577\u3044\u6709\u52b9\u671f\u9650\u3001\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u3001\u3088\u308a\u9ad8\u3044\u88dc\u511f\u4fdd\u8a3c\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u4f01\u696d\u306e\u8eab\u5143\u3092\u8a3c\u660e\u3057\u8868\u793a\u3059\u308b\u305f\u3081\u306bOV\uff08Organizational Validation\uff09\u307e\u305f\u306fEV\uff08Extended 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