{"id":23337,"date":"2023-10-01T11:49:17","date_gmt":"2023-10-01T02:49:17","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=23337"},"modified":"2023-10-02T00:00:31","modified_gmt":"2023-10-01T15:00:31","slug":"cloudfront%e3%81%ae%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%83%9d%e3%83%aa%e3%82%b7%e3%83%bc%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=23337","title":{"rendered":"CloudFront\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u3001\u30aa\u30ea\u30b8\u30f3\u30ea\u30af\u30a8\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-3.png\" alt=\"\" class=\"wp-image-23339\" width=\"549\" height=\"305\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-3.png 908w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-3-300x167.png 300w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-3-768x427.png 768w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/><\/figure>\n\n\n\n<p>cloudFront\u306e\u30d3\u30d8\u30a4\u30d3\u30a2\u306e\u8a2d\u5b9a\u3067\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u300d\u3068\u300c\u30aa\u30ea\u30b8\u30f3\u30ea\u30af\u30a8\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc\u300d\u3068\u3044\u3046\u8a2d\u5b9a\u9805\u76ee\u304c\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u3002\uff08\u4f55\u5e74\u304b\u524d\u306ecloudFront\u3067\u306f\u306a\u304b\u3063\u305f\u8a2d\u5b9a\u3067\u3059\u3002\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30e1\u30fc\u30b8<\/h2>\n\n\n\n<p>\u8a2d\u5b9a\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"651\" height=\"210\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-4.png\" alt=\"\" class=\"wp-image-23345\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-4.png 651w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-4-300x97.png 300w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30de\u30cd\u30fc\u30b8\u30c9\u30dd\u30ea\u30b7\u30fc<\/h2>\n\n\n\n<p>AWS\u5074\u304c\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u7528\u610f\u3057\u3066\u3044\u308b\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3059\u3002\u305d\u306e\u307e\u307e\u4f7f\u3048\u305d\u3046\u3067\u3042\u308c\u3070\u4f7f\u3063\u3066\u3082\u3088\u3044\u3067\u3059\u3002\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u305f\u3044\u5834\u5408\u306f\u300cLegacy cache settings\uff08\u30ab\u30b9\u30bf\u30e0\u30dd\u30ea\u30b7\u30fc\uff09\u300d\u3092\u9078\u629e\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc<\/h3>\n\n\n\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068CloudFront\u9593\u306e\u30dd\u30ea\u30b7\u30fc\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306b\u542b\u3081\u308b\u30d8\u30c3\u30c0\u30fc\u3084\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3001TTL\u306a\u3069\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CachingOptimized<\/h4>\n\n\n\n<p>Policy with catching enabled,Supports Gzip and Brotli compression.(\u30ad\u30e3\u30c3\u30c1\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u30dd\u30ea\u30b7\u30fc\u3002Gzip \u304a\u3088\u3073 Brotli \u5727\u7e2e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CachingDisabled<\/h4>\n\n\n\n<p>Policy with caching disabled(\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u30dd\u30ea\u30b7\u30fc)\u3001\u305d\u306e\u540d\u306e\u901a\u308aCloudFront\u3067\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u884c\u308f\u306a\u3044\u8a2d\u5b9a\u306b\u306a\u308a\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u30dd\u30ea\u30b7\u30fc\u3067\u3044\u3048\u3070\u5168\u3066\u306eTTL\u30920\u306b\u3057\u305f\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CachingOptimizedForUncompressedObjects<\/h4>\n\n\n\n<p>Default policy when compression is disabled(\u5727\u7e2e\u304c\u7121\u52b9\u306a\u5834\u5408\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Elemental-MediaPackage<\/h4>\n\n\n\n<p>Policy for Elemental MediaPackage Origin(Elemental MediaPackage \u306e\u30aa\u30ea\u30b8\u30f3\u306e\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Amplify<\/h4>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u9078\u629e\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>This policy forwards the host header. S3 expects the origin's host and cannot resolve the distribution's host.(\u3053\u306e\u30dd\u30ea\u30b7\u30fc\u306f\u30db\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002 S3 \u306f\u30aa\u30ea\u30b8\u30f3\u306e\u30db\u30b9\u30c8\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u30db\u30b9\u30c8\u3092\u89e3\u6c7a\u3067\u304d\u307e\u305b\u3093\u3002)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30aa\u30ea\u30b8\u30f3\u30ea\u30af\u30a8\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc<\/h3>\n\n\n\n<p>CloudFront\u3068\u30aa\u30ea\u30b8\u30f3\u9593\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u30aa\u30ea\u30b8\u30f3\u304c\u4e00\u610f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4f5c\u308b\u306e\u306b\u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u30fc\u3084\u30af\u30a8\u30ea\u6587\u5b57\u5217\u306a\u3069\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">UserAgentRefererHeaders<\/h4>\n\n\n\n<p>Policy to forward user-agent and referer headers to origin(\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30d8\u30c3\u30c0\u30fc\u3068\u30ea\u30d5\u30a1\u30e9\u30fc\u30d8\u30c3\u30c0\u30fc\u3092\u30aa\u30ea\u30b8\u30f3\u306b\u8ee2\u9001\u3059\u308b\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">AllViewer<\/h4>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3068\u9078\u629e\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>This policy forwards the host header. S3 expects hte origin's host and cannnot resolve the distribution's hsot.(\u3053\u306e\u30dd\u30ea\u30b7\u30fc\u306f\u30db\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002 S3 \u306f\u30aa\u30ea\u30b8\u30f3\u306e\u30db\u30b9\u30c8\u3092\u4e88\u671f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306e hsot \u3092\u89e3\u6c7a\u3067\u304d\u307e\u305b\u3093\u3002)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CORS-S3Origin<\/h4>\n\n\n\n<p>Policy for S3 origin with CORS(CORS \u3092\u4f7f\u7528\u3057\u305f S3 \u30aa\u30ea\u30b8\u30f3\u306e\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CORS-CustomOrigin<\/h4>\n\n\n\n<p>Policy for custom origin with CORS(CORS \u3092\u4f7f\u7528\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u30aa\u30ea\u30b8\u30f3\u306e\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Elemental-MediaTailor-PersonalizedManifests<\/h4>\n\n\n\n<p>Policy for Elemental MediaTailor Orogin(Elemental MediaTailor Orogin \u306e\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">AllViewerAndCloudFrontHeaders-2022-06<\/h4>\n\n\n\n<p>Policy to forward all parameters in viewer requests and all CloudFront headers as of June 2022(2022 \u5e74 6 \u6708\u6642\u70b9\u3067\u3001\u30d3\u30e5\u30fc\u30a2\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u3059\u3079\u3066\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3059\u3079\u3066\u306e CloudFront \u30d8\u30c3\u30c0\u30fc\u3092\u8ee2\u9001\u3059\u308b\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">AllViewerExceptHostHeader<\/h4>\n\n\n\n<p>Policy to forward all parameters in viewer requests except for the Host header(Host\u30d8\u30c3\u30c0\u30fc\u3092\u9664\u304f\u30d3\u30e5\u30fc\u30a2\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u3059\u3079\u3066\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u30dd\u30ea\u30b7\u30fc)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Legacy cache settings\uff08\u30ab\u30b9\u30bf\u30e0\u30dd\u30ea\u30b7\u30fc\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">TTL\u8a2d\u5b9a<\/h3>\n\n\n\n<p>CloudFront\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6709\u52b9\u671f\u9593\u3092\u6c7a\u5b9a\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\uff08\u30aa\u30ea\u30b8\u30f3\u5074\u306e\u300cCache-Control\u300d\u53ca\u3073\u300cExpiresHTTP\u30d8\u30c3\u30c0\u30fc\u300d\u306b\u9023\u52d5\u3057\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"977\" height=\"185\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-7.png\" alt=\"\" class=\"wp-image-23377\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-7.png 977w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-7-300x57.png 300w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-7-768x145.png 768w\" sizes=\"(max-width: 977px) 100vw, 977px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u8a2d\u5b9a<\/h3>\n\n\n\n<p>CloudFront\u304c\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u969b\u306b\u4e00\u610f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3042\u308b\u3053\u3068\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\uff08\u30d8\u30c3\u30c0\u30fc\u3001\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3001cookie\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-8.png\" alt=\"\" class=\"wp-image-23378\" width=\"461\" height=\"224\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-8.png 727w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/10\/image-8-300x146.png 300w\" sizes=\"(max-width: 461px) 100vw, 461px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/h2>\n\n\n\n<p>CloudFront\u3060\u3051\u3067\u306a\u304fCDN\u5168\u822c\u901a\u3058\u3066\u305d\u3046\u3067\u3059\u304c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GET\/HEAD\/OPTION(\u9078\u629e\u53ef\u80fd\uff09\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u8c61\u3067\u3059\u3002<\/h3>\n\n\n\n<p>PUT\u306a\u3069\u306f\u5bfe\u8c61\u5916\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5358\u4e00\u30d5\u30a1\u30a4\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306f\u6700\u592730GB\u307e\u3067\u306b\u306a\u308a\u307e\u3059\u3002<\/h3>\n\n\n\n<p>\u305f\u3060\u3001\u7bc4\u56f2\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306730GB\u3092\u8d85\u3048\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5206\u5272\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">URL\u30d1\u30b9\uff08Behavior\uff09\u6bce\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u671f\u9593\u6307\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3067Behavior(URL\u30d1\u30b9\uff09\u6bce\u306bTTL\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u304f\u3042\u308b\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\u306f\u9759\u7684\u753b\u50cf\u306fTTL\u306f\u9577\u3081\u306b\u3057\u3066\u3001API\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u305b\u306a\u3044\u307f\u305f\u3044\u306a\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"760\" height=\"268\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/09\/image-12.png\" alt=\"\" class=\"wp-image-22953\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/09\/image-12.png 760w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2023\/09\/image-12-300x106.png 300w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc<\/h3>\n\n\n\n<p>\u4e0b\u306e\u56f3\u306f\u3001\u7e26\u8ef8\u304c\u30aa\u30ea\u30b8\u30f3\u5074\u306e\u8a2d\u5b9a\uff08\u4f8b\uff1aApache\u306eWeb\u30b5\u30fc\u30d0\u30fc\u306b\u8a2d\u5b9a\u3059\u308bCache-Control\u306e\u5024\uff09\u3067\u3001\u6a2a\u8ef8\u304cCloudFront\u5074\u3067\u8a2d\u5b9a\u3059\u308bTTL\u8a2d\u5b9a\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>cloudFront\u3067\u306fApache\u306a\u3069\u306e\u30aa\u30ea\u30b8\u30f3\u5074\u306e\u8a2d\u5b9a\u3092\u5b8c\u5168\u306b\u4e0a\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6761\u4ef6\u8868\u306b\u6cbf\u3063\u3066\u8a2d\u5b9a\u3092\u884c\u3063\u305f\u3046\u3048\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u8fd4\u5374\u3059\u308b\u3068\u3044\u3046\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"5\">Cache Policy \u6700\u5c0f\u00a0 TTL\u8a2d\u5b9a\uff08CloudFront\u5074\u306e\u8a2d\u5b9a\uff09<\/td><\/tr><tr><td colspan=\"2\">\u3000<\/td><td>\u6700\u5c0fTTL = 0\u79d2<\/td><td colspan=\"2\">\u6700\u5c0fTTL &gt; 0\u79d2\u3092\u8a2d\u5b9a<\/td><\/tr><tr><td rowspan=\"11\">\u30aa\u30ea\u30b8\u30f3HTTP\u30d8\u30c3\u30c0\u30fc\uff08\u4f8b\uff1aApache\u306a\u3069\u306e\u8a2d\u5b9a\uff09<\/td><td rowspan=\"3\">Cache-Control max-age\u3092\u6307\u5b9a<\/td><td rowspan=\"3\">\u6307\u5b9a\u3055\u308c\u305fmax-age\u3068\u6700\u5927TTL\u3067\u5c0f\u3055\u3044\u5024\u306e\u671f\u9593\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3002<\/td><td>\u6700\u5c0fTTL&lt;max-age&lt;\u6700\u5927TTL<\/td><td>max-age\u671f\u9593<\/td><\/tr><tr><td>max-age &lt; \u6700\u5c0fTTL<\/td><td>\u6700\u5c0fTTL\u671f\u9593<\/td><\/tr><tr><td>\u6700\u5927TTL &lt; max-age<\/td><td>\u6700\u5927TTL\u671f\u9593<\/td><\/tr><tr><td>Cache-Control\u8a2d\u5b9a\u306a\u3057<\/td><td>\u30c7\u30d5\u30a9\u30eb\u30c8TTL\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5(24\u6642\u9593)<\/td><td colspan=\"2\">\u6700\u5c0fTTL\u307e\u305f\u306f\u30c7\u30d5\u30a9\u30eb\u30c8TTL\u3067\u5927\u304d\u3044\u5024\u306e\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><\/tr><tr><td rowspan=\"3\">Cache-Control<br>max-age\u3068s-maxage\u3092\u6307\u5b9a<\/td><td rowspan=\"3\">\u6307\u5b9a\u3055\u308c\u305fs-max-age\u3068\u6700\u5927TTL\u3067\u5c0f\u3055\u3044\u5024\u306e\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><td>\u6700\u5c0fTTL&lt;s-max-age&lt;\u6700\u5927TTL<\/td><td>s-max-age\u671f\u9593<\/td><\/tr><tr><td>s-max-age &lt; \u6700\u5c0fTTL<\/td><td>\u6700\u5c0fTTL\u671f\u9593<\/td><\/tr><tr><td>\u6700\u5927TTL &lt; s-max-age<\/td><td>\u6700\u5927TTL\u671f\u9593<\/td><\/tr><tr><td rowspan=\"3\">Expires\u3092\u6307\u5b9a<\/td><td rowspan=\"3\">\u6307\u5b9a\u3055\u308c\u305fExpires\u65e5\u4ed8\u3068\u6700\u5927TTL\u3067\u65e9\u3044\u65e5\u4ed8\u306e\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><td>\u6700\u5c0fTTL&lt;&lt;\u6700\u5927TTL<\/td><td>Expires\u65e5\u4ed8<\/td><\/tr><tr><td>Expires &lt; \u6700\u5c0fTTL<\/td><td>\u6700\u5c0fTTL\u671f\u9593<\/td><\/tr><tr><td>\u6700\u5927TTL &lt; Expires<\/td><td>\u6700\u5927TTL\u671f\u9593<\/td><\/tr><tr><td>Cache-Contrl no-cache\u3001no-store\u3001\u304a\u3088\u3073\uff08\u307e\u305f\u306f\uff09 private\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u8ffd\u52a0<\/td><td>\u30d8\u30c3\u30c0\u30fc\u3092\u512a\u5148\u3055\u308c\u308b\u3002<\/td><td colspan=\"2\">\u6700\u5c0fTTL\u306e\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30aa\u30ea\u30b8\u30f3\u5074\u304cHTTP\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc\u3092\u4ed8\u4e0e\u3057\u306a\u3044\u5834\u5408\u3067\u3082\u4e0a\u66f8\u304d\u304c\u53ef\u80fd\u3067\u3059\u3002\uff08Metadata\u306bHTTP\u30d8\u30c3\u30c0\u30fc\u3092\u6307\u5b9a\uff09<br>\u307e\u305f\u3001\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001HTML\u306emeta\u30bf\u30b0\u306eHTTP Cache-Control\u3084Pragma\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u3066\u3082CloudFront\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8TTL<\/h4>\n\n\n\n<p>\u30aa\u30ea\u30b8\u30f3\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d8\u30c3\u30c0\u30fc\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306b\u5229\u7528\u3001\u8a2d\u5b9a\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6700\u5c0fTTL<\/h4>\n\n\n\n<p>CloudFront\u5074\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u3079\u304d\u6700\u5c0f\u671f\u9593\u3001\u8a2d\u5b9a\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6700\u5927TTL<\/h4>\n\n\n\n<p>CloudFront\u5074\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u3079\u304d\u6700\u5927\u671f\u9593\u3001\u8a2d\u5b9a\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u524a\u9664\uff08\u7121\u52b9\u5316\u3001Invalidation\uff09<\/h3>\n\n\n\n<p>\u9577\u304f\u3066\u30821\u5206\u7a0b\u5ea6\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b3\u30f3\u30c6\u30f3\u30c4\u3054\u3068\u306b\u7121\u52b9\u5316\u30d1\u30b9\u3092\u6307\u5b9a<\/h4>\n\n\n\n<p>\u540c\u6642\u306b3000\u500b\u307e\u3067\u306e\u30d1\u30b9\u6307\u5b9a\u304c\u53ef\u80fd<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u5229\u7528\u3057\u305f\u7121\u52b9\u5316\u30d1\u30b9\u6307\u5b9a<\/h4>\n\n\n\n<ul>\n<li>\u540c\u6642\u306b\u6700\u592715\u500b\u307e\u3067\u7121\u52b9\u5316\u30d1\u30b9\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6307\u5b9a\u53ef\u80fd<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6570\u306e\u5236\u9650\u306a\u3057<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"cloudFront\u306e\u30d3\u30d8\u30a4\u30d3\u30a2\u306e\u8a2d\u5b9a\u3067\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u300d\u3068\u300c\u30aa\u30ea\u30b8\u30f3\u30ea\u30af\u30a8\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc\u300d\u3068\u3044\u3046\u8a2d\u5b9a\u9805\u76ee\u304c\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u3002\uff08\u4f55\u5e74\u304b\u524d\u306ecloudFront\u3067\u306f\u306a\u304b\u3063\u305f\u8a2d\u5b9a\u3067\u3059\u3002\uff09 \u30a4\u30e1\u30fc\u30b8 \u8a2d\u5b9a\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[80],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/23337"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23337"}],"version-history":[{"count":10,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/23337\/revisions"}],"predecessor-version":[{"id":23398,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/23337\/revisions\/23398"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23337"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}