{"id":990,"date":"2023-06-08T07:41:09","date_gmt":"2022-08-20T22:11:22","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aalets-encrypt%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e4%bf%ae%e6%ad%a3%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-01T04:05:49","modified_gmt":"2025-07-31T19:05:49","slug":"%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aalets-encrypt%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e4%bf%ae%e6%ad%a3%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aalets-encrypt%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e4%bf%ae%e6%ad%a3%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u4e00\u822c\u7684\u306aLet&#8217;s Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5"},"content":{"rendered":"<h3>\u65e5\u672c\u8a9e\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u6b21\u306e\u6587\u7ae0\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306f1\u3064\u3060\u3051\u5fc5\u8981\u3067\u3059\uff1a<br \/>\n\u5e8f\u8ad6<\/h3>\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3084HTTPS\u30b5\u30dd\u30fc\u30c8\u306e\u8a2d\u5b9a\u6642\u306b\u306f\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u306f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u56f0\u96e3\u3067\u3042\u308a\u3001\u30a8\u30e9\u30fc\u3092\u660e\u78ba\u306bDNS\u306e\u305b\u3044\u3068\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\u3002\u305d\u308c\u3089\u306f\u30b9\u30bf\u30c3\u30af\u306e\u5225\u306e\u90e8\u5206\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u305f\u53ef\u80fd\u6027\u3082\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u60aa\u540d\u9ad8\u304d\u300c\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u306e\u4ff3\u53e5\u300d\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code>It's not DNS\r\nThere's no way it's DNS\r\nIt was DNS\r\n<\/code><\/pre>\n<p>\u30b5\u30fc\u30d0\u30fc\u306eSSL\/HTTPS\u30b5\u30dd\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3059\u308b\u969b\u306b\u3001DNS\u306e\u554f\u984c\u306b\u906d\u9047\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u3001Let&#8217;s Encrypt\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3067\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001DNS\u3001HTTPS\u3001\u307e\u305f\u306f\u7279\u306bLet&#8217;s Encrypt\u306b\u95a2\u308f\u308b\u3068\u304d\u306b\u906d\u9047\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u63a8\u5968\u4e8b\u9805\u306f\u3001Silicon Cloud DNS\u307e\u305f\u306f\u4ed6\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>DNS\u30ec\u30b3\u30fc\u30c9<\/h2>\n<p>DNS\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u4ee3\u308f\u308a\u306b\u3001your_domain.com\u306e\u3088\u3046\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u7528\u3057\u3066Web\u30b5\u30fc\u30d0\u30fc\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5272\u308a\u5f53\u3066\u3001\u8a98\u5c0e\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30c9\u30e1\u30a4\u30f3\u30ec\u30b8\u30b9\u30c8\u30e9\uff08Silicon Cloud\u3092\u542b\u3080\uff09\u306f\u3001DNS\u30ec\u30b3\u30fc\u30c9\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u72ec\u81ea\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u5168\u4f53\u7684\u306b\u4f3c\u305f\u69cb\u6587\u3068\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>DNS\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u306e\u5b8c\u5168\u306a\u6982\u8981\u306b\u3064\u3044\u3066\u306f\u3001\u300cDNS\u7528\u8a9e\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001\u304a\u3088\u3073\u6982\u5ff5\u306e\u7d39\u4ecb\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6700\u3082\u4e00\u822c\u7684\u306aDNS\u30ec\u30b3\u30fc\u30c9\u306fA\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u4e3b\u8981\u306a\u30ea\u30f3\u30af\u3067\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u6b63\u5f0f\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306b\u3001\u4e3b\u306bA\u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u5fc3\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3082\u3042\u306a\u305f\u304cSilicon Cloud\u306eDNS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u8a2d\u5b9a\u3055\u308c\u305fA\u30ec\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564437edaa94e2bdf7acab9\/10-0.png\" alt=\"Required A records\" \/><\/div>\n<h3>DNS\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u307e\u305f\u306f\u79fb\u884c<\/h3>\n<p>DNS\u306e\u66f4\u65b0\u306b\u306f\u5c11\u3057\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u306f30\u5206\u672a\u6e80\u3067\u52b9\u679c\u304c\u73fe\u308c\u308b\u306f\u305a\u3067\u3059\u304c\u3001\u5909\u66f4\u5f8c\u3059\u3050\u306bDNS\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30a8\u30e9\u30fc\u304c\u8aa4\u3063\u305f\u60c5\u5831\u3092\u793a\u3059\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001DNS\u306e\u5909\u66f4\u304c\u307b\u3068\u3093\u3069\u307e\u305f\u306f\u3059\u3079\u3066\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u5e83\u307e\u308b\u307e\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u3067\u306eLetsEncrypt\u306e\u8a2d\u5b9a\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>DNS\u306e\u5909\u66f4\u304c\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u4f7f\u7528\u3055\u308c\u308b\u307b\u3068\u3093\u3069\u307e\u305f\u306f\u3059\u3079\u3066\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u4f1d\u64ad\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u306b\u306f\u3001whatsmydns.net\u306e\u3088\u3046\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3082\u3057\u30ed\u30fc\u30ab\u30eb\u3067DNS\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u3001\u305d\u308c\u304c\u307b\u3068\u3093\u3069\u306e\u5834\u6240\u3067\u6a5f\u80fd\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3042\u306a\u305f\u306eISP\u306f\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u66f4\u65b0\u304c\u9045\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u306f\u6570\u5206\u3067\u6e08\u307f\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u304cDNS\u306e\u5909\u66f4\u304c\u4e00\u90e8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u4f1d\u308f\u3063\u305f\u304c\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u307e\u3060\u4f1d\u308f\u3063\u3066\u3044\u306a\u3044\u77ed\u3044\u6642\u9593\u67a0\u5185\u3067\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3084\u30ed\u30fc\u30ab\u30eb\u306e\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u30fc\u304b\u3089\u7570\u306a\u308b\u7d50\u679c\u3092\u53d7\u3051\u53d6\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3055\u3089\u306b\u6df7\u4e71\u3092\u62db\u304f\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u306f\u3001\u3042\u306a\u305f\u306e\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3084\u30c9\u30ed\u30c3\u30d7\u30ec\u30c3\u30c8\u306eDNS\u304cISP\u306e\u66f4\u65b0\u3088\u308a\u3082\u65e9\u304f\u884c\u308f\u308c\u308b\u5834\u5408\u306b\u8d77\u3053\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306b\u3001nslookup\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u3069\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3055\u308c\u308b\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nslookup<\/span> digitalocean.com<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 Name: digitalocean.com Addresses: 2606:4700::6810:b50f 2606:4700::6810:b60f 104.16.181.15 104.16.182.15<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u65b9\u6cd5\u3092\u4f7f\u3048\u3070\u3001\u3042\u306a\u305f\u306e\u30ed\u30fc\u30ab\u30eb\u306e\u7d50\u679c\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u306eDNS\u30ea\u30be\u30eb\u30d0\u3068\u4e00\u81f4\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>DNS\u306e\u8a2d\u5b9a\u3092\u9577\u3044TTL\uff08Time-To-Live\uff09\u5024\u3067\u884c\u3046\u3068\u3001\u66f4\u65b0\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u767b\u9332\u696d\u8005\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eTTL\u5024\u30923600\u79d2\uff081\u6642\u9593\uff09\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001A\u30ec\u30b3\u30fc\u30c9\u306e\u3059\u3050\u96a3\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u9577\u3044TTL\u5024\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001DNS\u306e\u5909\u66f4\u304c\u4f1d\u64ad\u3059\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002DNS\u306e\u5909\u66f4\u3092\u884c\u3046\u4e88\u5b9a\u304c\u3042\u308b\u5834\u5408\u3084\u30c6\u30b9\u30c8\u3059\u308b\u5834\u5408\u306f\u3001\u4e00\u6642\u7684\u306bTTL\u3092\u4f4e\u304f\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d6\u30e9\u30a6\u30b6\u306e\u30a8\u30e9\u30fc\u3084HTTPS\u306e\u8a2d\u5b9a\u554f\u984c<\/h2>\n<p>\u6642\u3005\u3001HTTPS\u3068DNS\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u305f\u3068\u601d\u3063\u3066\u3082\u3001\u3042\u306a\u305f\u3084\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u4f7f\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u969b\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>HTTP\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u30ac\u30a4\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u300e\u4e00\u822c\u7684\u306aHTTP\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5\u300f\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u307b\u3068\u3093\u3069\u306f\u76f4\u63a5\u7684\u306aHTTPS\u30a8\u30e9\u30fc\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0d\u9069\u5207\u306a\u8a2d\u5b9a\u304b\u3089\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001Nginx\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b\u5225\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306eHTTPS\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u8a2d\u5b9a\u304c\u8aa4\u3063\u3066\u3044\u308b\u3068502\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u306e\u30a8\u30e9\u30fc\u306f\u3001\u671f\u9650\u5207\u308c\u306e\u8a3c\u660e\u66f8\u3067\u3059\u3002\u5546\u7528\u306eHTTPS\u8a3c\u660e\u66f8\u3068\u306f\u7570\u306a\u308a\u3001Let&#8217;s Encrypt\u306e\u8a3c\u660e\u66f8\u306f3\u30f6\u6708\u9593\u3057\u304b\u6709\u52b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a3c\u660e\u66f8\u306e\u671f\u9650\u304c\u5207\u308c\u308b\u524d\u306b\u66f4\u65b0\u3057\u306a\u3044\u3068\u3001\u8ab0\u3067\u3082\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u3001\u3053\u308c\u306fERR_CERT_DATE_INVALID\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002Chrome\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564437edaa94e2bdf7acab9\/24-0.png\" alt=\"An expired certificate browser warning\" \/><\/div>\n<p>\u6700\u521d\u306bLet&#8217;s Encrypt\u3092\u8a2d\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u8a3c\u660e\u66f8\u306e\u81ea\u52d5\u66f4\u65b0\u306e\u305f\u3081\u306e\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ed\u30bb\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u307e\u305f\u3001Let&#8217;s Encrypt\u306f\u901a\u5e38\u3001\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u308b\u76f4\u524d\u306b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u8aa4\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u305f\u308a\u3001\u30c8\u30ea\u30ac\u30fc\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u3001\u5e38\u306b\u300crenew\u300d\u5f15\u6570\u3092\u4f7f\u7528\u3057\u3066certbot\u3092\u518d\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u624b\u52d5\u3067\u8a3c\u660e\u66f8\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> certbot <mark>renew<\/mark> <span class=\"token parameter variable\">&#8211;nginx<\/span> <span class=\"token parameter variable\">-d<\/span> example.com <span class=\"token parameter variable\">-d<\/span> www.example.com<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8a3c\u660e\u66f8\u3092\u66f4\u65b0\u3057\u305f\u5f8c\u306b\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3082\u3057\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u306b\u4ed6\u306e\u5909\u66f4\u3092\u52a0\u3048\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u8a3c\u660e\u66f8\u304c\u66f4\u65b0\u3055\u308c\u305f\u5f8c\u306bsystemctl restart nginx\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u81ea\u52d5\u5316\u3057\u3066\u5b89\u5168\u306b\u518d\u8d77\u52d5\u3067\u304d\u307e\u3059\uff08\u4f8b\uff1a\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u305fcron\u306b\u8ffd\u52a0\u3059\u308b\u306a\u3069\uff09\u3002<\/p>\n<h3>\u6df7\u5408\u30b3\u30f3\u30c6\u30f3\u30c4 (\u3053\u3093\u3054\u3046\u30b3\u30f3\u30c6\u30f3\u30c4)<\/h3>\n<p>HTTP\u304b\u3089HTTPS\u3078\u306e\u8907\u96d1\u306a\u30b9\u30bf\u30c3\u30af\u306e\u79fb\u884c\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u4e00\u90e8\u306e\u753b\u50cf\u3084\u4ed6\u306e\u30b5\u30a4\u30c8\u306e\u8cc7\u7523\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u8005\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u958b\u304f\u3068\u3001\u300c\u6df7\u5408\u30b3\u30f3\u30c6\u30f3\u30c4\u300d\u3068\u3057\u3066\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564437edaa94e2bdf7acab9\/31-0.png\" alt=\"Mixed content browser errors\" \/><\/div>\n<p>\u3053\u308c\u306f\u3001HTTPS\u7d4c\u7531\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u306fHTTP\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u542b\u307e\u308c\u306a\u3044\u3068\u3044\u3046\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a6\u30a7\u30d6\u30dd\u30ea\u30b7\u30fc\u306e\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u306f\u30011\u3064\u306e\u30b5\u30a4\u30c8\u304c2\u3064\u306e\u7570\u306a\u308b\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u3084\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cNginx\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u80cc\u5f8c\u304b\u3089\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u304c\u3001SSL\u8ee2\u9001\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057Nginx\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u80cc\u5f8c\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u5225\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3057\u3066\u3044\u3066\u3001\u6df7\u5408\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8b66\u544a\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u5834\u6240\u30d6\u30ed\u30c3\u30af\u306b\u3044\u304f\u3064\u304b\u306e\u8ffd\u52a0\u306eSSL\u8ee2\u9001\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\u3042\u306a\u305f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5834\u6240\u306f\u3001&#8221;\/etc\/nginx\/sites-available\/your-website&#8221; \u3067\u3059\u3002<\/div>\n<pre class=\"post-pre\"><code>\u2026\r\n    location \/ {\r\n        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\r\n        proxy_set_header X-Real-IP $remote_addr;\r\n        proxy_set_header X-Forwarded-Host $host;\r\n        proxy_set_header X-Forwarded-Proto https;\r\n    }\r\n<\/code><\/pre>\n<p>\u305d\u308c\u3092\u8d85\u3048\u3066\u3001\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u304cHTTPS\u3067\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6df7\u5728\u30b3\u30f3\u30c6\u30f3\u30c4\u30a8\u30e9\u30fc\u306b\u95a2\u3057\u3066\u306f\u3001MDN\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Let&#8217;sEncrypt\u306eCertbot\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30a8\u30e9\u30fc\u5b9f\u884c<\/h2>\n<p>Let\u2019sEncrypt\u306ecertbot\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u3001\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u6642\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306b\u306f\u5177\u4f53\u7684\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u76f4\u63a5\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4ed6\u306e\u5834\u5408\u306f\u3088\u308a\u660e\u78ba\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u300c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u300d\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u304a\u305d\u3089\u304f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u554f\u984c\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">certbot <span class=\"token parameter variable\">&#8211;nginx<\/span> <span class=\"token parameter variable\">-d<\/span> example.com <span class=\"token parameter variable\">-d<\/span> www.example.com<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Press Enter to Continue Waiting for verification\u2026 Cleaning up challenges Failed authorization procedure. example.com (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: Fetching http:\/\/example.com\/.well-known\/acme-challenge\/EWbLNaAWwRZGM1UCqSvbIIxFFaoH09wPUEwVuYucCb0: 93 <mark>Timeout during connect (likely firewall problem)<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u901a\u5e38\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u5fdc\u7b54\u3092\u5168\u304f\u5f97\u3089\u308c\u306a\u3044\u63a5\u7d9a\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u610f\u56f3\u7684\u306b\u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u308c\u306e\u78ba\u8a8d\u304c\u3067\u304d\u307e\u305b\u3093\u3002Certbot\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u30dd\u30fc\u30c880\u307e\u305f\u306f443\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u90e8\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30dd\u30fc\u30c880\u307e\u305f\u306f443\u306e\u3044\u305a\u308c\u304b\u3060\u3051\u3092\u958b\u653e\u3059\u308c\u3070\u826f\u3044\u3068\u793a\u5506\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30a8\u30e9\u30fc\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306b\u4e21\u65b9\u3092\u958b\u653e\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002Nginx\u3092\u4f7f\u3063\u3066UFW\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001Nginx\u306e\u30d5\u30eb\u8a2d\u5b9a\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3053\u308c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <span class=\"token string\">&#8216;Nginx Full&#8217;<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u305f\u5f8c\u3001certbot\u3092\u518d\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3082\u3057\u30a8\u30e9\u30fc\u3092\u9664\u5916\u3059\u308b\u305f\u3081\u306b\u4f55\u5ea6\u3082\u9023\u7d9a\u3057\u3066certbot\u3092\u518d\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001\u3053\u306e\u3088\u3046\u306a\u300c\u691c\u8a3c\u306e\u5931\u6557\u5236\u9650\u300d\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>too many failed authorizations recently: see https:\/\/letsencrypt.org\/docs\/failed-validation-limit\/<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u5834\u5408\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u5236\u9650\u304c\u89e3\u9664\u3055\u308c\u308b\u307e\u3067\u6700\u59271\u6642\u9593\u304a\u5f85\u3061\u3044\u305f\u3060\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u5236\u9650\u3084\u305d\u306e\u4ed6\u306eCertbot\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306f\u3001Certbot\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3082\u3057\u3042\u306a\u305f\u304cDNS\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u307e\u305f\u306f\u63a5\u7d9a\u306e\u554f\u984c\u4ee5\u5916\u3067certbot\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u305d\u308c\u306f\u304a\u305d\u3089\u304fcertbot\u306b\u3088\u3063\u3066\u6700\u521d\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306ePython\u74b0\u5883\u306e\u554f\u984c\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306f\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001Certbot\u3092\u524a\u9664\u3057\u3001\u6700\u521d\u304b\u3089\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001Ubuntu 22.04\u4e0a\u3067Let&#8217;s Encrypt\u3092\u4f7f\u3063\u305fNginx\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u306e\u624b\u98061\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65e2\u5b58\u306eHTTPS\u306e\u8a2d\u5b9a\u306f\u5f71\u97ff\u3092\u53d7\u3051\u305a\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u66f4\u65b0\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c4\u30fc\u30eb\u306e\u307f\u304c\u5909\u66f4\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>HTTPS\u304c\u6a5f\u80fd\u3057\u306a\u304f\u3066\u3001\u4f55\u3082\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3002<\/h3>\n<p>\u3082\u3057Certbot\u3068DNS\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b5\u30a4\u30c8\u304cHTTP\u304b\u3089HTTPS\u3078\u5207\u308a\u66ff\u308f\u3063\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3042\u308c\u3070\u3001\u901a\u5e38\u306f\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u306b\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002Certbot\u306f\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u305f\u3068\u304d\u306b\u81ea\u52d5\u7684\u306b\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u305d\u308c\u304cCertbot\u30b3\u30de\u30f3\u30c9\u3067\u901a\u5e38nginx\u3092\u6307\u5b9a\u3059\u308b\u7406\u7531\u3067\u3042\u308a\u3001\u8a3c\u660e\u66f8\u3092\u53d6\u5f97\u3057\u305f\u5f8c\u306b\u3069\u306e\u3088\u3046\u306a\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b\u304b\u3092\u77e5\u308b\u305f\u3081\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u65e2\u5b58\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u304c\u975e\u5e38\u306b\u8907\u96d1\u306a\u5834\u5408\u3001Certbot\u306fHTTPS\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u305d\u308c\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u72ec\u81ea\u306e\u5909\u66f4\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001Ubuntu 20.04\u3067Nginx\u3092Let&#8217;s Encrypt\u3067\u30bb\u30ad\u30e5\u30a2\u306b\u3059\u308b\u65b9\u6cd5\u306e\u30b9\u30c6\u30c3\u30d7\uff12\u306b\u3042\u308b\u3088\u3046\u306b\u3001Web\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306bserver_name\u30d6\u30ed\u30c3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u304c\u306a\u3044\u3068\u3001certbot\u306f\u3069\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3059\u3079\u304d\u304b\u308f\u304b\u3089\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u554f\u984c\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u3001certbot\u3092\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30e2\u30fc\u30c9\u3067\u5b9f\u884c\u3057\u3066\u8a3c\u660e\u66f8\u306e\u53d6\u5f97\u306e\u307f\u3092\u884c\u3044\u3001\u305d\u306e\u5f8c\u3001Web\u30b5\u30fc\u30d0\u30fc\u3092\u624b\u52d5\u3067HTTPS\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306eNginx HTTPS\u8a2d\u5b9a\u306b\u306f\u3001443\u30dd\u30fc\u30c8\u3067\u306essl\u30ea\u30b9\u30f3\u3068\u3001SSL\u8a3c\u660e\u66f8\u3068\u30ad\u30fc\u3078\u306e\u30d1\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<div>\n<p>\/etc\/nginx\/sites-available\/sample\u3092\u65e5\u672c\u8a9e\u3067\u66f8\u304d\u76f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u3051\u3067\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\/etc\/nginx\/sites-available\/sample\uff1a<\/p>\n<\/div>\n<pre class=\"post-pre\"><code>\u2026\r\n    listen 443 ssl;\r\n    # RSA certificate\r\n    ssl_certificate \/etc\/letsencrypt\/live\/your_domain\/fullchain.pem;\r\n    ssl_certificate_key \/etc\/letsencrypt\/live\/your_domain\/privkey.pem;\r\n\r\n    # Redirect non-https traffic to https\r\n    if ($scheme != \"https\") {\r\n        return 301 https:\/\/$host$request_uri;\r\n    }\r\n\u2026\r\n<\/code><\/pre>\n<p>Nginx\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u969b\u306b\u306f\u3001Web\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u524d\u306bnginx -t\u30b3\u30de\u30f3\u30c9\u3067\u5909\u66f4\u5185\u5bb9\u3092\u691c\u8a3c\u3067\u304d\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u5909\u66f4\u3092\u5b8c\u4e86\u3057\u305f\u3089\u3001systemctl restart nginx\u30b3\u30de\u30f3\u30c9\u3067\u65b0\u3057\u3044\u8a2d\u5b9a\u3067Nginx\u3092\u518d\u8d77\u52d5\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> systemctl restart nginx<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Let&#8217;s Encrypt\u306e\u76ee\u6a19\u306f\u3001\u8ab0\u306b\u3067\u3082\u7121\u6599\u3067\u3069\u3053\u3067\u3082HTTPS\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u304c\u81ea\u52d5\u7684\u306b\u52d5\u4f5c\u3059\u308b\u3068\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u304c\u3001\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u6df7\u4e71\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306bSSL\u3084DNS\u306e\u8a2d\u5b9a\u7d4c\u9a13\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u5c1a\u66f4\u3067\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Let&#8217;s Encrypt\u306e\u3044\u304f\u3064\u304b\u306e\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u30b7\u30ca\u30ea\u30aa\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\u306b\u3064\u3044\u3066\u3054\u78ba\u8a8d\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001SSL\u8a3c\u660e\u66f8\u306e\u8a8d\u8a3c\u6a5f\u95a2\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u304a\u8aad\u307f\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65e5\u672c\u8a9e\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u6b21\u306e\u6587\u7ae0\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306f1\u3064\u3060\u3051\u5fc5\u8981\u3067\u3059\uff1a \u5e8f\u8ad6 \u30c9\u30e1\u30a4\u30f3\u540d\u3084HTTPS\u30b5\u30dd\u30fc\u30c8\u306e\u8a2d\u5b9a\u6642\u306b\u306f\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u306f\u30c8\u30e9\u30d6\u30eb [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-990","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4e00\u822c\u7684\u306aLet&#039;s Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u4e00\u822c\u7684\u306aLet&#039;s Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/\u4e00\u822c\u7684\u306alets-encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e00\u822c\u7684\u306aLet&#039;s Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u4e00\u822c\u7684\u306aLet&#039;s Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u4e00\u822c\u7684\u306alets-encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-20T22:11:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T19:05:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564437edaa94e2bdf7acab9\/10-0.png\" \/>\n<meta name=\"author\" content=\"\u685c, \u6625\u6a39\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u685c, \u6625\u6a39\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"17\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aalets-encrypt%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e4%bf%ae%e6%ad%a3%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aalets-encrypt%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e4%bf%ae%e6%ad%a3%e6%96%b9%e6%b3%95\/\",\"name\":\"\u4e00\u822c\u7684\u306aLet's Encrypt\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5 - Blog - Silicon 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