{"id":60742,"date":"2024-10-31T14:00:17","date_gmt":"2024-10-31T05:00:17","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=60742&#038;preview=true&#038;preview_id=60742"},"modified":"2025-01-08T23:19:03","modified_gmt":"2025-01-08T14:19:03","slug":"ddos-attack","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/ddos-attack\/","title":{"rendered":"DDoS\u653b\u6483\u3092\u672a\u7136\u306b\u9632\u5fa1\u3059\u308b\u65b9\u6cd5\uff08\u5b9f\u4f8b\u3092\u3082\u3068\u306b\u624b\u9806\u3092\u3054\u7d39\u4ecb\uff09"},"content":{"rendered":"<p>\u4ee5\u524d\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/negative-seo\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30cd\u30ac\u30c6\u30a3\u30d6SEO\u653b\u6483<\/a>\uff08\u9006SEO\u653b\u6483\u3068\u3082\uff09\u3092\u4e00\u6383\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u5c0f\u898f\u6a21\u306aWordPress\u306eEC\u30b5\u30a4\u30c8\u306b\u5bfe\u3059\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-ddos-attack\/\">DDoS\u653b\u6483<\/a>\u3092\u963b\u6b62\u3059\u308b\u65b9\u6cd5\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002DDoS\u653b\u6483\u306f\u3044\u3064\u8d77\u3053\u308b\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u653b\u6483\u306b\u5bfe\u51e6\u3059\u308b\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u5c0f\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u3067\u306f\u3001\u7279\u306b\u5fc3\u914d\u3067\u3059\u3002<\/p>\n<p>\u300c\u3082\u3057\u30b5\u30a4\u30c8\u304c\u660e\u65e5\u653b\u6483\u3055\u308c\u305f\u3089\u300d\u3068\u60f3\u50cf\u3057\u3001\u653b\u6483\u306b\u5bfe\u51e6\u3059\u308b\u5099\u3048\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3092\u30d6\u30c3\u30af\u30de\u30fc\u30af\u3057\u3066\u3001\u4eca\u3059\u3050\u306b\u3067\u3082DDoS\u5bfe\u7b56\u3092\u8b1b\u3058\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>DDoS\u653b\u6483\u3068\u306f<\/h2>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Denial-of-service_attack\">DDoS\uff08\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\uff09\u653b\u6483<\/a>\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5927\u91cf\u306b\u9001\u4fe1\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3092\u5727\u5012\u3057\u3066\u3001\u30b5\u30a4\u30c8\u3092\u505c\u6b62\u307e\u305f\u306f\u30c0\u30a6\u30f3\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u3053\u306e\u7a2e\u306e\u653b\u6483\u3067\u30a4\u30e9\u30a4\u30e9\u3055\u305b\u3089\u308c\u308b\u70b9\u306f\u3001\u901a\u5e38\u653b\u6483\u8005\u304c\u5f97\u3089\u308c\u308b\u3082\u306e\u306f\u7279\u306b\u306a\u304f\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u3082\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-hacked\/\">WordPress\u30b5\u30a4\u30c8\u306e\u30cf\u30c3\u30ad\u30f3\u30b0\u5bfe\u7b56\u306f\u3053\u3061\u3089<\/a>\uff09\u3002<\/p>\n<p>DDoS\u653b\u6483\u306e\u5927\u304d\u306a\u554f\u984c\u306f\u3001\u305d\u308c\u306b\u4f34\u3046\u5727\u5012\u7684\u306a\u8ca0\u8377\u306b\u3042\u308a\u307e\u3059\u3002\u5e2f\u57df\u5e45\u304c\u4fe1\u3058\u3089\u308c\u306a\u3044\u307b\u3069\u6025\u5897\u3057\u3001\u6570\u4e07\u5186\u304b\u3089\u6570\u5341\u4e07\u5186\u306b\u652f\u6255\u3044\u304c\u81a8\u308c\u4e0a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5b89\u4fa1\u306a\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3084\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u505c\u6b62\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u9061\u308b\u3053\u30682016\u5e7410\u670821\u65e5\u3001\u53f2\u4e0a\u6700\u5927\u306eDDoS\u653b\u6483<span id=\"urn:enhancement-17\" class=\"textannotation disambiguated wl-thing\">\uff08DNS<\/span>\u95a2\u9023\uff09\u304c\u767a\u751f\u3057\u3001PayPal\u3001Spotify\u3001Twitter\u3001Reddit\u3001eBay\u306a\u3069\u306e\u5927\u4f01\u696d\u306e\u30b5\u30a4\u30c8\u304c\u30c0\u30a6\u30f3\u3057\u307e\u3057\u305f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u3053\u306e\u4e8b\u4ef6\u3092\u300c<a href=\"https:\/\/www.catchpoint.com\/blog\/dyn-dns-outage-2016\" target=\"_blank\" rel=\"noopener noreferrer\">DNS Doomsday<\/a>\uff08DNS\u7d42\u672b\u306e\u65e5\uff09\u300d\u3068\u547c\u3076\u4eba\u3082\u3002\u30a6\u30a7\u30d6\u304c\u6210\u9577\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3001DDoS\u653b\u6483\u3082\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"http:\/\/blog.easydns.org\/2016\/10\/24\/the-dns-attack-what-it-means-who-did-it-and-how-to-deal\" target=\"_blank\" rel=\"noopener noreferrer\">easyDNS\u306e\u30c7\u30fc\u30bf<\/a>\u306b\u3088\u308c\u3070\u3001\u9577\u671f\u306b\u308f\u305f\u308bDDoS\u653b\u6483\u306e\u767a\u751f\u306f\u6025\u5897\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30c8\u304c\u653b\u6483\u3092\u53d7\u3051\u308b\u306e\u306f\u6642\u9593\u306e\u554f\u984c\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<figure id=\"attachment_12128\" aria-describedby=\"caption-attachment-12128\" style=\"width: 1686px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12128 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/ddos-attacks-over-time-2.png\" alt=\"DDoS\u653b\u6483\u306e\u767a\u751f\u7387\u63a8\u79fb\" width=\"1686\" height=\"1203\"><figcaption id=\"caption-attachment-12128\" class=\"wp-caption-text\">DDoS\u653b\u6483\u306e\u767a\u751f\u7387\u63a8\u79fb<\/figcaption><\/figure>\n<p>Kinsta\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/cloud-platform-for-developers\/\">Google Cloud Platform<\/a>\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306a\u3069\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u591a\u6570\u8b1b\u3058\u3066\u304a\u308a\u3001\u4e00\u822c\u7684\u306a\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u591a\u304f\u306e\u653b\u6483\u3092\u963b\u6b62\u3057\u3066\u3044\u307e\u3059\u3002DDoS\u653b\u6483\u5bfe\u7b56\u306b\u7279\u5316\u3057\u3066\u69cb\u7bc9\u3055\u308c\u305f\u5927\u898f\u6a21\u306a\u30a4\u30f3\u30d5\u30e9\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u8ffd\u52a0\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.cloudflare.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cloudflare<\/a>\u3068<a href=\"https:\/\/sucuri.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sucuri<\/a>\u306f\u3001WordPress\u306f\u3082\u3061\u308d\u3093\u3001\u3042\u3089\u3086\u308b\u30bf\u30a4\u30d7\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u9069\u5207\u306aDDoS\u5bfe\u7b56\u306b\u6295\u8cc7\u3059\u308b\u3053\u3068\u3067\u3001\u6642\u9593\u3001\u8cbb\u7528\u3001\u305d\u3057\u3066\u982d\u75db\u306e\u7a2e\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<strong>Kinsta\u3067\u30b5\u30a4\u30c8\u3092\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5834\u5408\u3001Cloudflare\u3084Sucuri\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306f\u4e0d\u8981<\/strong>\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u304c\u3001DDoS\u653b\u6483\u5bfe\u7b56\u3092\u5099\u3048\u305f\u5b89\u5168\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u542b\u3080<a href=\"https:\/\/kinsta.com\/jp\/cloudflare-integration\/\">Cloudflare\u7d71\u5408<\/a>\u306b\u3088\u3063\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u5c0f\u898f\u6a21\u306aEDD\u30b5\u30a4\u30c8\u3078\u306eDDoS\u653b\u6483\u5bfe\u7b56<\/h2>\n<p>\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308b\u4e8b\u4f8b\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/easy-digital-downloads\/\" target=\"_blank\" rel=\"noopener noreferrer\">Easy Digital Downloads<\/a>\u3092\u4f7f\u7528\u3057\u305fWordPress\u306e\u5c0f\u898f\u6a21\u306aEC\u30b5\u30a4\u30c8\u3067\u3059\u3002\u3053\u306e\u30b5\u30a4\u30c8\u306f\u901a\u5e38\u30011\u65e5\u306b30\uff5e40 MB\u306e\u5e2f\u57df\u5e45\u3057\u304b\u751f\u6210\u305b\u305a\u3001\u8a2a\u554f\u6570\u306f1\u65e5\u306b\u6570\u767e\u4ef6\u7a0b\u5ea6\u3067\u3057\u305f\u30026\u6708\u306b\u5165\u3063\u305f\u3042\u308b\u65e5\u3001<a href=\"https:\/\/kinsta.com\/blog\/how-to-use-google-analytics\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google \u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9<\/a>\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5897\u52a0\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u7a81\u7136<a href=\"https:\/\/kinsta.com\/jp\/cloudflare-integration\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5927\u91cf\u306e\u5e2f\u57df\u5e45\u304c\u6d88\u8cbb<\/a>\u3055\u308c\u59cb\u3081\u307e\u3057\u305f\u3002\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u306f\u77ac\u6642\u306b1\u65e515\uff5e19GB\u306b\u3002\u3053\u308c\u306f<strong>4650\uff05\u306e\u5897\u52a0<\/strong>\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u5e78\u3044\u3001\u30b5\u30a4\u30c8\u6240\u6709\u8005\u306fKinsta\u306e\u5206\u6790\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3059\u3050\u306b\u3053\u306e\u7570\u5909\u3092\u767a\u898b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_12084\" aria-describedby=\"caption-attachment-12084\" style=\"width: 1641px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12084 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/high-bandwidth-usage-1.png\" alt=\"WordPress\u30b5\u30a4\u30c8\u3067\u6025\u6fc0\u306b\u5e2f\u57df\u5e45\u304c\u6d88\u8cbb\u3055\u308c\u308b\u73fe\u8c61\" width=\"1641\" height=\"885\"><figcaption id=\"caption-attachment-12084\" class=\"wp-caption-text\">WordPress\u30b5\u30a4\u30c8\u3067\u6025\u6fc0\u306b\u5e2f\u57df\u5e45\u304c\u6d88\u8cbb\u3055\u308c\u308b\u73fe\u8c61<\/figcaption><\/figure>\n<p>\u3053\u306e\u7570\u5909\u3092\u691c\u51fa\u3057\u305f\u5f8c\u3001\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u3092\u8abf\u67fb\u3059\u308b\u305f\u3081\u306b\u30b5\u30fc\u30d0\u30fc\u30ed\u30b0\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u306b\u3002\u3053\u306e\u3088\u3046\u306a\u4e8b\u614b\u306f\u3001\u7c21\u5358\u306b\u5236\u5fa1\u4e0d\u80fd\u306b\u9665\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u904e\u53bb7\u65e5\u9593\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\uff08\/account\/\uff09\u30da\u30fc\u30b8\u304c<strong>51\u4e071,000\u56de\u3082\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>\u3055\u308c\u300166GB\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30b5\u30a4\u30c8\u306e\u898f\u6a21\u306f\u30011\u30f6\u6708\u30671GB\u5f37\u306e\u7dcf\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u7a0b\u5ea6\u3067\u3042\u3063\u305f\u305f\u3081\u3001\u5373\u5ea7\u306b\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u304b\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30b5\u30a4\u30c8\u306b\u5bfe\u3059\u308b\u904e\u53bb7\u65e5\u9593\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8IPS\u306e\u4e0a\u4f4d10\u4ef6\u3092\u5206\u6790\u3059\u308b\u3068\u3001\u3059\u3050\u306b\u4e0d\u5be9\u306a\u52d5\u304d\u3092\u7279\u5b9a\u3002\u305d\u306e\u3046\u3061\u306e\u5927\u534a\u306f1\u4e07\u56de\u4ee5\u4e0a\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u5c0f\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u306f\u3001\u6708\u306b\u6570\u5343\u7a0b\u5ea6\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_12131\" aria-describedby=\"caption-attachment-12131\" style=\"width: 1848px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12131 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/top-10-client-ips-1.png\" alt=\"\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u4e0a\u4f4d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8IP\u4e00\u89a7\" width=\"1848\" height=\"1422\"><figcaption id=\"caption-attachment-12131\" class=\"wp-caption-text\">\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u4e0a\u4f4d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8IP\u4e00\u89a7<\/figcaption><\/figure>\n<p>\u7d9a\u3044\u3066\u306f\u3001Google\u306e\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3059\u3002\u4e0a\u4f4dIP\u306e\u3044\u304f\u3064\u304b\u3092\u691c\u7d22\u3057\u3066\u307f\u308b\u3068\u3001\u305d\u306e\u307b\u3068\u3093\u3069\u304c\u30d7\u30ed\u30ad\u30b7\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308a\u3001\u4f55\u8005\u304b\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u96a0\u305d\u3046\u3068\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_12132\" aria-describedby=\"caption-attachment-12132\" style=\"width: 1395px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12132 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/proxy-IP-1.png\" alt=\"\u30d7\u30ed\u30ad\u30b7\u306eIP\u30a2\u30c9\u30ec\u30b9\" width=\"1395\" height=\"441\"><figcaption id=\"caption-attachment-12132\" class=\"wp-caption-text\">\u30d7\u30ed\u30ad\u30b7\u306eIP\u30a2\u30c9\u30ec\u30b9<\/figcaption><\/figure>\n<h3>URL\u306e\u5909\u66f4<\/h3>\n<p>\u307e\u305aKinsta\u3067\u884c\u3063\u305f\u3053\u3068\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u30da\u30fc\u30b8\u306eURL\u3092\u5225\u306e\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002\u3053\u308c\u306f\u6700\u521d\u306b\u884c\u3046\u5bfe\u51e6\u6cd5\u3068\u3057\u3066\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u3053\u306e\u5909\u66f4\u3067\u653b\u6483\u3092\u963b\u6b62\u3067\u304d\u305f\u306e\u306f\u77ed\u671f\u9593\u3067\u3001\u3059\u3050\u306b\u5909\u66f4\u5f8c\u306eURL\u3092\u7279\u5b9a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff08EC\u30b5\u30a4\u30c8\u306b\u306f\u516c\u958b\u30a2\u30ab\u30a6\u30f3\u30c8\u30da\u30fc\u30b8\u304c\u5fc5\u9808\u306e\u305f\u3081\uff09\u3002<\/p>\n<p>\u30d6\u30ed\u30b0\u30b5\u30a4\u30c8\u3067\u3042\u308c\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-login-url\/#change-login-page\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306eURL\u3092\u5909\u66f4<\/a>\u3057\u3066\u96a0\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u3053\u306e\u624b\u306e\u653b\u6483\u306e\u591a\u304f\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u305d\u3046\u306f\u3044\u304d\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u300c<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress Security<\/a> by obscurity\uff08\u79d8\u533f\u5316\u306b\u3088\u308bWordPress\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff09\u300d\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30cf\u30c3\u30ad\u30f3\u30b0\u3068\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306e\u78ba\u8a8d<\/h3>\n<p>DDoS\u653b\u6483\u3092\u53d7\u3051\u305f\u969b\u306b\u78ba\u8a8d\u3057\u305f\u3044\u306e\u306f\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u306e\u8a66\u307f\u304c\u306a\u3044\u304b\u3069\u3046\u304b\u3002<a href=\"https:\/\/wordpress.org\/plugins\/wp-security-audit-log\/\">WP Security Audit Log<\/a>\u306f\u3001\u30da\u30fc\u30b8\u4e0a\u306b\u4e0d\u6b63\u306a\u30ed\u30b0\u30a4\u30f3\u601d\u8003\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u7d20\u65e9\u304f\u76e3\u8996\u30fb\u78ba\u8a8d\u3067\u304d\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001POST\u9001\u4fe1\u304c\u5927\u91cf\u306b\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u304b\u3001\u30ed\u30b0\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306f\u5178\u578b\u7684\u306aDDoS\u653b\u6483\u3067\u3001\u5358\u306b\u30b5\u30a4\u30c8\u306e\u4e00\u90e8\u5206\u306b\u5927\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u308a\u8fbc\u307f\u3001\u5727\u5012\u3059\u308b\u306e\u304c\u76ee\u7684\u3067\u3059\u3002<\/p>\n<h3>IP\u5236\u9650<\/h3>\n<p>\u81ea\u793e\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u7d9a\u3044\u3066\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security-plugins\/#3-wordfence-security\" target=\"_blank\" rel=\"noopener noreferrer\">WordFence<\/a>\u306e\u3088\u3046\u306aIP\u5236\u9650\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001Kinsta\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u5bfe\u7b56\u306f\u304a\u52e7\u3081\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305a\u7b2c\u4e00\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30d7\u30e9\u30b0\u30a4\u30f3\u306f<strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>\u3001\u7279\u306b<strong>\u30b9\u30ad\u30e3\u30f3\u6a5f\u80fd\u306b\u5927\u304d\u306a\u5f71\u97ff<\/strong>\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001<span id=\"urn:enhancement-1\" class=\"textannotation disambiguated wl-thing\">Google Cloud Platform\u3067<\/span>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001<strong>IP\u5236\u9650\u306e\u6a5f\u80fd\u304c\u610f\u56f3\u3057\u305f\u3068\u304a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044<\/strong>\u3053\u3068\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u72ec\u81ea\u306e<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/site-management\/block-ip-address\/\" target=\"_blank\" rel=\"noopener noreferrer\">IP\u5236\u9650\u30c4\u30fc\u30eb<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002MyKinsta\u304b\u3089\u624b\u52d5\u3067\u7c21\u5358\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u3001\u30b8\u30aa\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3054\u5e0c\u671b\u306e\u5834\u5408\u306f\u3001MyKinsta\u306e\u30c1\u30e3\u30c3\u30c8\u3088\u308a\u30b5\u30dd\u30fc\u30c8\u30b9\u30bf\u30c3\u30d5\u307e\u3067\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_59633\" aria-describedby=\"caption-attachment-59633\" style=\"width: 2554px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59633 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking.png\" alt=\"IP\u5236\u9650\u30c4\u30fc\u30eb\" width=\"2554\" height=\"1168\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking.png 2554w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking-300x137.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking-1024x468.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking-768x351.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking-1536x702.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/ip-blocking-2048x937.png 2048w\" sizes=\"auto, (max-width: 2554px) 100vw, 2554px\" \/><figcaption id=\"caption-attachment-59633\" class=\"wp-caption-text\">IP\u5236\u9650\u30c4\u30fc\u30eb<\/figcaption><\/figure>\n<p>\u305f\u3060\u3057\u3001\u653b\u6483\u306e\u9577\u3055\u3068\u898f\u6a21\u306b\u3088\u3063\u3066\u306f\u3001IP\u5236\u9650\u304c\u7d42\u308f\u308a\u306e\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u306b\u306a\u308b\u53ef\u80fd\u6027\u3082\u3002\u591a\u304f\u306e<span id=\"urn:local-text-annotation-oo3e0x3vsummn0df26foag2k7ebfube6\" class=\"textannotation disambiguated wl-thing\">DDoS\u653b\u6483\u306f<\/span>\u3001\u3042\u308b\u5730\u57df\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3068\u3001\u5225\u306e\u5730\u57df\u306b\u73fe\u308c\u308b\u304b\u3001IP\u3084\u30d7\u30ed\u30ad\u30b7\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u7e70\u308a\u8fd4\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u306f\u3001DDoS\u5bfe\u7b56\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4f55\u5e74\u5206\u3082\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u30eb\u30fc\u30eb\u304c\u3059\u3067\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Cloudflare\u3078\u306e\u30b5\u30a4\u30c8\u79fb\u884c\u3082\u52b9\u679c\u306a\u3057<\/h2>\n<p>\u591a\u304f\u306e\u5834\u5408\u3001<a href=\"https:\/\/www.cloudflare.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cloudflare<\/a>\u306f\u57fa\u672c\u7684\u306a\u30dc\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u963b\u6b62\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u306e\u3001\u7121\u6599\u30d7\u30e9\u30f3\u306eDDoS\u5bfe\u7b56\u6a5f\u80fd\u306f\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002\u5b9f\u969b\u3001\u5148\u307b\u3069\u306e\u30b5\u30a4\u30c8\u3092Cloudflare\u306b\u79fb\u884c\u3057\u305f\u3068\u3053\u308d\u3001\u3055\u3089\u306b\u4e0d\u5be9\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30b5\u30a4\u30c8\u3092\u8972\u3046\u7d50\u679c\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306f\u5358\u306b\u653b\u6483\u306e\u52e2\u3044\u304c\u5897\u3057\u305f\u305f\u3081\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30011\u6642\u9593\u3042\u305f\u308a\u30ea\u30af\u30a8\u30b9\u30c8\u304c5\u4e07\u4ef6\u8fd1\u304f\u307e\u3067\u5897\u3048\u3066\u3044\u307e\u3057\u305f\u3002Cloudflare\u306f\u3001CDN\u306e\u6027\u80fd\u306f\u7a81\u51fa\u3057\u3066\u3044\u307e\u3059\u304c\u3001CDN\u4ee5\u4e0a\u306e\u3082\u306e\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u307b\u3068\u3093\u3069\u6709\u6599\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12121\" aria-describedby=\"caption-attachment-12121\" style=\"width: 1646px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12121 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/rate-limiting-not-working-e1500420031465.png\" alt=\"Cloudflare\u306e\u30ea\u30af\u30a8\u30b9\u30c8\" width=\"1646\" height=\"806\"><figcaption id=\"caption-attachment-12121\" class=\"wp-caption-text\">Cloudflare\u306e\u30ea\u30af\u30a8\u30b9\u30c8<\/figcaption><\/figure>\n<p>\u3053\u308c\u3092\u53d7\u3051\u3001\u30b5\u30a4\u30c8\u306b\u300c\u30ec\u30fc\u30c8\u5236\u9650\u300d\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3002\u30ec\u30fc\u30c8\u5236\u9650\u306f\u3001URL\u3068\u4e00\u81f4\u3059\u308b\u30eb\u30fc\u30eb\u30d9\u30fc\u30b9\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4f5c\u6210\u3057\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u57fa\u3065\u3044\u3066\u30d6\u30ed\u30c3\u30af\/\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u7121\u6599\u30d7\u30e9\u30f3\u3067\u3082\u5229\u7528\u3067\u304d\u30011\u4e07\u30ea\u30af\u30a8\u30b9\u30c8\u3042\u305f\u308a0.05\u30c9\u30eb\u3067\u5c0e\u5165\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u4eca\u56de\u306e\u5834\u5408\u306f\u30011\u30f6\u6708\u3042\u305f\u308a\u7d043,600\u4e07\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u3064\u307e\u308a1\u30f6\u6708\u3067180\u30c9\u30eb\u304b\u304b\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u73fe\u5b9f\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3067\u3057\u305f\uff08\u69d8\u3005\u306a\u30d1\u30bf\u30fc\u30f3\u306e\u30eb\u30fc\u30eb\u3082\u8a66\u3057\u305f\u304c\u52b9\u679c\u306a\u3057\uff09\u3002<\/p>\n<figure id=\"attachment_12133\" aria-describedby=\"caption-attachment-12133\" style=\"width: 647px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12133\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/IP-rate-limiting.png\" alt=\"IP\u30ec\u30fc\u30c8\u5236\u9650\" width=\"647\" height=\"569\"><figcaption id=\"caption-attachment-12133\" class=\"wp-caption-text\">IP\u30ec\u30fc\u30c8\u5236\u9650<\/figcaption><\/figure>\n<p><a href=\"https:\/\/support.cloudflare.com\/hc\/en-us\/articles\/115000272247\" target=\"_blank\" rel=\"noopener noreferrer\">\u30ec\u30fc\u30c8\u5236\u9650<\/a>\u306f\u3001\u5b9a\u7fa9\u3057\u305f\u30eb\u30fc\u30eb\u306b\u4e00\u81f4\u3059\u308b\uff08\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\uff09\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u306b\u57fa\u3065\u3044\u3066\u8ab2\u91d1\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306b\u691c\u8a0e\u3059\u3079\u304d\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/#web-application-firewall\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\uff08WAF\uff09\u306e\u5c0e\u5165\u3067\u3059\u3002\u5b9f\u306fCloudflare\u306e\u7121\u6599\u30d7\u30e9\u30f3\u306b\u306fWAF\u306f\u4ed8\u5e2f\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u4eca\u65e5\u3001DDoS\u653b\u6483\u3092\u9632\u5fa1\u3059\u308b\u306b\u306fWAF\u306e\u5c0e\u5165\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306e\u9078\u629e\u80a2\u3068\u3057\u3066\u306f\u3001Cloudflare\u306ePro\u30d7\u30e9\u30f3\uff08\u6708\u984d25\u30c9\u30eb\uff09\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3059\u3050\u306b\u5c0e\u5165\u3092\u6c7a\u3081\u305a\u306b\u3001\u4ed6\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3082\u6bd4\u8f03\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h2>Cloudflare\u3068Sucuri\u306e\u6bd4\u8f03<\/h2>\n<p>\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u306e\u30b5\u30a4\u30c8\u306b\u3082\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u3057\u3066\u3001\u5e02\u5834\u3067\u6700\u3082\u512a\u308c\u305f\u9078\u629e\u80a2\u306f\u3001<a href=\"https:\/\/www.cloudflare.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cloudflare<\/a>\u3068<a href=\"https:\/\/sucuri.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sucuri<\/a>\u306e2\u3064\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u304c\u3001\u5404\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u3001<a href=\"https:\/\/kinsta.com\/jp\/cloudflare-integration\/\">\u30b5\u30a4\u30c8\u3092Kinsta\u3067\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u3044\u306a\u3044\u5834\u5408<\/a>\u3001Sucuri\u306e\u65b9\u304c\u304a\u5f97\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>Cloudflare<\/h3>\n<p>Cloudflare\u306ePro\u30d7\u30e9\u30f3\u3067\u306f\u3001<strong>\u30ec\u30a4\u30e4\u30fc3\u304a\u3088\u30734<\/strong>\u306eDDoS\u5bfe\u7b56\u306e\u307f\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\uff08<a href=\"https:\/\/www.scudlayer.com\/blog\/en\/2015\/04\/what-are-ddos-attacks-on-layer-3-and-4\" target=\"_blank\" rel=\"noopener noreferrer\">\u30ec\u30a4\u30e4\u30fc3\u30684\u306eDDoS\u653b\u6483\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\uff09\u3002TCP SYN\u3001UDP\u3001ICMP\u653b\u6483\u3092<a href=\"https:\/\/kinsta.com\/jp\/blog\/edge-servers\/\">\u30a8\u30c3\u30b8\u30b5\u30fc\u30d0\u30fc<\/a>\u3067\u81ea\u52d5\u7684\u306b\u963b\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30ec\u30a4\u30e4\u30fc7\u306e\u4fdd\u8b77\u3092\u53d7\u3051\u308b\u306b\u306f\u3001\u6708\u984d250\u30c9\u30eb\u306eBusiness\u30d7\u30e9\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u5c0f\u898f\u6a21\u306aEC\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u6599\u91d1\u306b\u52a0\u3048\u3066\u6708\u984d250\u30c9\u30eb\u306f\u304b\u306a\u308a\u306e\u51fa\u8cbb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/kinsta.com\/jp\/blog\/cloudflare-apo-wordpress\/\">WordPress\u3067Cloudflare APO\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n<p>Kinsta\u306e\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u306b\u306f\u3001\u9ad8\u6027\u80fd\u306eHTTP\/3\u5bfe\u5fdcCDN\u3001DDoS\u653b\u6483\u5bfe\u7b56\u3092\u7d44\u307f\u8fbc\u3093\u3060\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u542b\u3080\u3001<strong>Cloudflare\u7d71\u5408\u3092\u5168\u3066\u306e\u304a\u5ba2\u69d8\u306b\u8ffd\u52a0\u6599\u91d1\u306a\u3057\u3067\u63d0\u4f9b<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002SSL\u8a3c\u660e\u66f8\u306e\u5c0e\u5165\u306b\u9ad8\u984d\u306a\u8ffd\u52a0\u6599\u91d1\u304c\u767a\u751f\u3059\u308b\u4e00\u822c\u7684\u306a\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u3068\u306f\u7570\u306a\u308a\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u5bfe\u5fdc\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306eCloudflare SSL\u8a3c\u660e\u66f8\u3082\u7121\u6599\u3067\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<p>Cloudflare\u7d71\u5408\u306e\u5229\u7528\u306b\u306f\u3001Cloudflare\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5951\u7d04\u3057\u3066\u7ba1\u7406\u3059\u308b\u3053\u3068\u306a\u304f\u3001Kinsta\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u3067\u3001\u3088\u308a\u826f\u3044\u30b9\u30d4\u30fc\u30c9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Cloudflare\u7d71\u5408\u306e\u4e00\u74b0\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/edge-caching\/\">\u30a8\u30c3\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u306f\u3001Kinsta\u30b5\u30a4\u30c8\/\u30da\u30fc\u30b8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092Cloudflare\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001<strong>300\u4ee5\u4e0a\u7b87\u6240<\/strong>\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30a8\u30c3\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3082\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u3067\u7121\u6599\u3067\u5229\u7528\u3067\u304d\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u4e0d\u8981\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305fWordPress\u306eHTML\u30da\u30fc\u30b8\u3092\u63d0\u4f9b\u3059\u308b\u306e\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u5e73\u5747<strong>50%\u4ee5\u4e0a\u524a\u6e1b<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<h3>Sucuri<\/h3>\n<p>Sucuri\u306e\u5e74\u984d229\u30c9\u30eb\uff08\u6708\u984d\u304a\u3088\u305d19\u30c9\u30eb\uff09\u306e\u30d7\u30e9\u30f3\u3067\u306f\u3001<strong>\u30ec\u30a4\u30e4\u30fc3\u30014\u304a\u3088\u30737<\/strong>\u306eDDoS\u653b\u6483\u5bfe\u7b56\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6025\u6fc0\u306a\u5909\u5316\u3092\u81ea\u52d5\u691c\u51fa\u3057\u3001POST\u30d5\u30e9\u30c3\u30c9\u3084<span id=\"urn:enhancement-19\" class=\"textannotation disambiguated wl-thing\">DNS\u30d9\u30fc\u30b9\u306e<\/span>\u653b\u6483\u304b\u3089\u30b5\u30a4\u30c8\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Sucuri\u3067\u306f\u3088\u308a\u512a\u308c\u305fDDoS\u5bfe\u7b56\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u4e8b\u4f8b\u3067\u306f\u3001HTTP\u30d5\u30e9\u30c3\u30c9\u653b\u6483\u306b\u5bfe\u3059\u308b\u30ec\u30a4\u30e4\u30fc7\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002<\/p>\n<blockquote style=\"margin-left: 30px;font-size: 1em\"><p>HTTP\u30d5\u30e9\u30c3\u30c9\u653b\u6483\u306f\u3001\u30ec\u30a4\u30e4\u30fc7\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3001SSL\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\u306e\u5178\u578b\u7684\u306aURL\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\uff08\u753b\u50cf\u3084\u60c5\u5831\u306a\u3069\uff09\u306e\u3088\u3046\u306b\u3001\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u6709\u52b9\u306aGET\/POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b\u3002HTTP GET\/POST\u30d5\u30e9\u30c3\u30c9\u306f\u3001\u4e0d\u6b63\u306a\u30d1\u30b1\u30c3\u30c8\u3001\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3001\u307e\u305f\u306f\u30ea\u30d5\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u306a\u3044\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u3042\u308b\u653b\u6483\uff5c<a href=\"https:\/\/blog.sucuri.net\/2014\/02\/layer-7-ddos-blocking-http-flood-attacks.html\" target=\"_blank\" rel=\"noopener noreferrer\">Sucuri<\/a><\/p><\/blockquote>\n<p>Sucuri\u306f\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002Cloudflare\u306e\u5834\u5408\u306f\u3001\u4f7f\u7528\u91cf\u306b\u5fdc\u3058\u305f\u4fa1\u683c\u8a2d\u5b9a\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u9593\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u306e\u6709\u7121\u306a\u3069\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u6a5f\u80fd\u306e\u3055\u307e\u3056\u307e\u306a\u5074\u9762\u306b\u304b\u306a\u308a\u306e\u6599\u91d1\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u3044\u305a\u308c\u306e\u30b5\u30fc\u30d3\u30b9\u3082\u7279\u5b9a\u306e\u30da\u30fc\u30b8\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001IP\u3092\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3057\u305f\u308a\u306a\u3069\u3001\u4f3c\u305f\u3088\u3046\u306a\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u3001DDoS\u5bfe\u7b56\u306b\u95a2\u3057\u3066\u306f\u3001Sucuri\u306e\u65b9\u304c\u3088\u308a\u591a\u304f\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001IP\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306eUI\u3084\u3001Cloudflare\u3068\u6bd4\u8f03\u3057\u305f\u5834\u5408\u306e\u7279\u5b9a\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u3069\u3061\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u3082\u3001DDoS\u653b\u6483\u3092100\uff05\u963b\u6b62\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>Sucuri\u3078\u306e\u30b5\u30a4\u30c8\u79fb\u884c\u65b9\u6cd5<\/h2>\n<p>Sucuri\u3078\u306e\u30b5\u30a4\u30c8\u306e\u79fb\u884c\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002Cloudflare\u306e\u3088\u3046\u306b\u3001\u5b8c\u5168\u306a\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u305f\u3081\u3001\u6280\u8853\u7684\u306b\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002<span id=\"urn:enhancement-20\" class=\"textannotation disambiguated wl-thing\">DNS\u3092<\/span>Sucuri\u306b\u7d10\u4ed8\u3051\u3001Sucuri\u304c\u30db\u30b9\u30c8\u3092\u7d10\u4ed8\u3051\u307e\u3059\u3002\u4e21\u8005\u306e\u9593\u306b\u306f<a href=\"https:\/\/en.wikipedia.org\/wiki\/Web_application_firewall\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/sucuri-firewall\/\" target=\"_blank\" rel=\"noopener noreferrer\">WAF<\/a>\uff09\u304c\u8a2d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Sucuri\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306f\u3001Cloudflare\u3068\u6bd4\u8f03\u3059\u308b\u3068\u5730\u5473\u3067\u3059\u304c\u3001WAF\u306b\u95a2\u3057\u3066\u306f\u3001WAF\u306e\u6027\u80fd\u304c\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u901a\u5e38\u73fe\u5728\u306e\u30b5\u30fc\u30d0\u30fcIP\u3092\u691c\u51fa\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30ebIP\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u308c\u3092DNS\u306eA\u30ec\u30b3\u30fc\u30c9\u3084AAAA\u30ec\u30b3\u30fc\u30c9\u306b\u7d10\u4ed8\u3051\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12136\" aria-describedby=\"caption-attachment-12136\" style=\"width: 2190px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12136 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/sucuri-dashboard.png\" alt=\"Sucuri\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\" width=\"2190\" height=\"1376\"><figcaption id=\"caption-attachment-12136\" class=\"wp-caption-text\">Sucuri\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<\/figcaption><\/figure>\n<p>Sucuri\u306f\u6570\u5206\u3067\u7acb\u3061\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001DDoS\u653b\u6483\u3092\u53d7\u3051\u3066\u901f\u3084\u304b\u306a\u5bfe\u51e6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u52a9\u304b\u308a\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/dns-propagation\/\" target=\"_blank\" rel=\"noopener noreferrer\">DNS\u306e\u4f1d\u64ad<\/a>\u3092\u5f85\u3064\u3060\u3051\u3067OK\u3067\u3059\u3002\u307e\u305f\u3001HTTP\/2\u306b\u5bfe\u5fdc\u3057\u305f\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8CDN\u3082\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u5358\u306a\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u4ee5\u4e0a\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002WordPress\u30b5\u30a4\u30c8\u3082\u9ad8\u901f\u5316\u3055\u308c\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066KeyCDN\u306e\u3088\u3046\u306a\u72ec\u81ea\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cdn\/\" target=\"_blank\" rel=\"noopener noreferrer\">CDN\u30b5\u30fc\u30d3\u30b9<\/a>\u3092Sucuri\u3068\u4f75\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>CDN\u306b\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/free-ssl-certificate\/\" target=\"_blank\" rel=\"noopener noreferrer\">Let&#8217;s Encrypt\u306e\u7121\u6599SSL\u8a3c\u660e\u66f8<\/a>\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u81ea\u5206\u3067SSL\u8a3c\u660e\u66f8\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u3002\u305f\u3060\u3057\u3001Let&#8217;s Encrypt\u306f\u81ea\u52d5\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30b5\u30dd\u30fc\u30c8\u3078\u306e\u9023\u7d61\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\uff08\u3068\u306f\u3044\u3048\u72ec\u81eaSSL\u8a3c\u660e\u66f8\u306e\u8a2d\u5b9a\u30d7\u30ed\u30bb\u30b9\u306f\u9ad8\u901f\uff09\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u3067\u5b9f\u884c\u3067\u304d\u308b\u3082\u30461\u3064\u306e\u3053\u3068\u306f\u3001\u30b5\u30a4\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001Sucuri\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u30fc\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u5927\u62b5\u306e\u5834\u5408\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cache\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3059\u3067\u306b\u8a2d\u5b9a<\/a>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12137\" aria-describedby=\"caption-attachment-12137\" style=\"width: 2207px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12137 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/sucuri-site-caching.png\" alt=\"Sucuri\u306e\u30b5\u30a4\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\" width=\"2207\" height=\"1126\"><figcaption id=\"caption-attachment-12137\" class=\"wp-caption-text\">Sucuri\u306e\u30b5\u30a4\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5<\/figcaption><\/figure>\n<h3>\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/h3>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u753b\u9762\u3067\u306f\u3001\u3059\u3079\u3066\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/xmlrpc-php\/\"><span id=\"urn:enhancement-12\" class=\"textannotation disambiguated wl-thing\">XML-RPC<\/span><\/a>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084\u653b\u6483\u7684\u306a\u30dc\u30c3\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/hsts-strict-transport-security\/\" target=\"_blank\" rel=\"noopener noreferrer\">HSTS<\/a>\u306e\u3088\u3046\u306a\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092\u6709\u52b9\u306b\u3057\u305f\u308a\u306a\u3069\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6ce8\uff09X<span id=\"urn:enhancement-13\" class=\"textannotation disambiguated wl-thing\">ML-RPC<\/span>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001\u4eca\u56de\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3059\u3067\u306b\u30d6\u30ed\u30c3\u30af\u6e08\u307f\u3002<\/p>\n<figure id=\"attachment_12140\" aria-describedby=\"caption-attachment-12140\" style=\"width: 2241px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12140 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/sucuri-advanced-security-options.png\" alt=\"Sucuri\u306e\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30aa\u30d7\u30b7\u30e7\u30f3\" width=\"2241\" height=\"1313\"><figcaption id=\"caption-attachment-12140\" class=\"wp-caption-text\">Sucuri\u306e\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30aa\u30d7\u30b7\u30e7\u30f3<\/figcaption><\/figure>\n<h3>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u8868\u793a<\/h3>\n<p>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306eDDoS\u5bfe\u7b56\u30d3\u30e5\u30fc\u306f\u3001Sucuri\u306e\u512a\u308c\u305f\u6a5f\u80fd\u3067\u3059\u3002\u7c21\u5358\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u73fe\u5728\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ed\u30b0\u5168\u4f53\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u307e\u305f\u306f\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3067\u304d\u3001\u3059\u3067\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u305d\u306e\u7406\u7531\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12138\" aria-describedby=\"caption-attachment-12138\" style=\"width: 2093px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12138 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/ddos-protection-real-time.png\" alt=\"DDoS\u653b\u6483\u5bfe\u7b56\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30d3\u30e5\u30fc\" width=\"2093\" height=\"1340\"><figcaption id=\"caption-attachment-12138\" class=\"wp-caption-text\">DDoS\u653b\u6483\u5bfe\u7b56\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30d3\u30e5\u30fc<\/figcaption><\/figure>\n<h3>\u305d\u306e\u4ed6\u306e\u4fbf\u5229\u306a\u30ec\u30dd\u30fc\u30c8<\/h3>\n<p>\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u653b\u6483\u30c1\u30e3\u30fc\u30c8\u306a\u3069\u3001\u4ed6\u306b\u3082\u4fbf\u5229\u306a\u30ec\u30dd\u30fc\u30c8\u304c\u591a\u6570\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DDoS\u653b\u6483\u3092\u542b\u3081\u3001\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u306e\u653b\u6483\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u5185\u8a33\u3092\u7d20\u65e9\u304f\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306e\u7a2e\u985e\u3001\u30c7\u30d0\u30a4\u30b9\u3001<span id=\"urn:enhancement-104\" class=\"textannotation disambiguated wl-thing\">HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u30b3\u30fc\u30c9<\/span>\u5225\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u306e\u30c1\u30e3\u30fc\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12139\" aria-describedby=\"caption-attachment-12139\" style=\"width: 1806px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12139 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/sucuri-blocked-attacks.png\" alt=\"\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u653b\u6483\u306e\u5185\u8a33\" width=\"1806\" height=\"768\"><figcaption id=\"caption-attachment-12139\" class=\"wp-caption-text\">\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u653b\u6483\u306e\u5185\u8a33<\/figcaption><\/figure>\n<p>\u6642\u9593\u3042\u305f\u308a\u306e\u5e73\u5747\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30c1\u30e3\u30fc\u30c8\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d4\u30fc\u30af\u6642\u9593\u5e2f\u3084\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5272\u5408\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_12141\" aria-describedby=\"caption-attachment-12141\" style=\"width: 2026px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12141 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/average-traffic-per-hour.png\" alt=\"1\u6642\u9593\u3042\u305f\u308a\u306e\u5e73\u5747\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\" width=\"2026\" height=\"780\"><figcaption id=\"caption-attachment-12141\" class=\"wp-caption-text\">1\u6642\u9593\u3042\u305f\u308a\u306e\u5e73\u5747\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/figcaption><\/figure>\n<p>\u56fd\u5225\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u8868\u3067\u306f\u3001\u4e0d\u5be9\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u7279\u5b9a\u306e\u5730\u57df\u304b\u3089\u6765\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u306f\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u56fd\u5168\u4f53\u3092\u4e00\u6642\u7684\u306b\u30d6\u30ed\u30c3\u30af\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_12142\" aria-describedby=\"caption-attachment-12142\" style=\"width: 2043px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12142 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/traffic-by-country.png\" alt=\"\u56fd\u5225\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\" width=\"2043\" height=\"1028\"><figcaption id=\"caption-attachment-12142\" class=\"wp-caption-text\">\u56fd\u5225\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/figcaption><\/figure>\n<p>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u305d\u306e\u4ed6\u306e\u6a5f\u80fd\u306b\u306f\u3001IP\u3084\u30d1\u30b9\u306e\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u3084\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3001Cookie\u3001HTTP\u30ea\u30d5\u30a1\u30e9\u306e\u30d6\u30ed\u30c3\u30af\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-captcha\/\">CAPTCHA<\/a>\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u3088\u308b\u7279\u5b9a\u306e\u30da\u30fc\u30b8\u306e\u4fdd\u8b77\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_12143\" aria-describedby=\"caption-attachment-12143\" style=\"width: 2249px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-12143\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/Sucuri-access-control.png\" alt=\"Sucuri access control\" width=\"2249\" height=\"856\"><figcaption id=\"caption-attachment-12143\" class=\"wp-caption-text\">Sucuri\u306e\u30a2\u30af\u30bb\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/figcaption><\/figure>\n<p>\u5148\u307b\u3069\u306e\u5c0f\u898f\u6a21\u306aEC\u30b5\u30a4\u30c8\u3092Sucuri\u306b\u79fb\u884c\u3057\u305f\u7d50\u679c\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/dns-propagation\/\" target=\"_blank\" rel=\"noopener noreferrer\">DNS\u306e\u4f1d\u64ad\u304c\u5b8c\u4e86<\/a>\u3057\u305f1\u6642\u9593\u5f8c\u3001<strong>\u3059\u3079\u3066\u306e\u5e2f\u57df\u5e45\u3068\u30ea\u30af\u30a8\u30b9\u30c8\u304c<\/strong><strong>\u77ac\u6642\u306b\u6e1b\u5c11<\/strong>\u3057\uff08\u4ee5\u4e0b\u53c2\u7167\uff09\u3001\u305d\u308c\u4ee5\u964d\u3001<strong>\u554f\u984c\u306f\u4e00\u5207\u751f\u3058\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002Sucuri\u3078\u306e\u6295\u8cc7\u306f\u3001\u9593\u9055\u3044\u306a\u304f\u6642\u9593\u306e\u524a\u6e1b\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_12134\" aria-describedby=\"caption-attachment-12134\" style=\"width: 1603px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12134 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/added-sucuri-web-application-firewall.png\" alt=\"Sucuri\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8ffd\u52a0\u5f8c\" width=\"1603\" height=\"1486\"><figcaption id=\"caption-attachment-12134\" class=\"wp-caption-text\">Sucuri\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8ffd\u52a0\u5f8c<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306f\u3001Sucuri\u306b\u79fb\u884c\u3057\u3066\u3057\u3070\u3089\u304f\u7d4c\u3063\u305f\u5f8c\u306e\u30b5\u30a4\u30c8\u306e\u69d8\u5b50\u3067\u3059\u30021\u65e5\u3042\u305f\u308a\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u306f\u672c\u6765\u306e30\u301c40MB\u306b\u623b\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_12146\" aria-describedby=\"caption-attachment-12146\" style=\"width: 1604px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12146 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/07\/low-bandwidth.png\" alt=\"\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u91cf\u304c\u5143\u901a\u308a\u306b\" width=\"1604\" height=\"861\"><figcaption id=\"caption-attachment-12146\" class=\"wp-caption-text\">\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u91cf\u304c\u5143\u901a\u308a\u306b<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001DDoS\u653b\u6483\u3092\u53d7\u3051\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u30dc\u30c3\u30c8\u306b\u5e2f\u57df\u5e45\u3092\u76d7\u307e\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u7c21\u5358\u306a\u5bfe\u7b56\u3092\u304a\u63a2\u3057\u306e\u65b9\u3067\u3001\u3059\u3067\u306b\u4ed6\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u8a66\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/sucuri-vs-wordfence\/\">Sucuri<\/a>\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u6708\u984d200\u30c9\u30eb\u3092\u652f\u6255\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u5834\u5408\u306f\u3001Cloudflare\u3082\u826f\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u8907\u6570\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3053\u3068\u306f\u5e38\u306b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\uff08\u7279\u306b\u4e88\u7b97\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u5834\u5408\uff09\u3002<\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p>\u4eca\u56de\u306f\u3001DDoS\u653b\u6483\u3092\u9632\u5fa1\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u6398\u308a\u4e0b\u3052\u307e\u3057\u305f\u3002\u3082\u3061\u308d\u3093\u3001\u4eca\u56de\u3054\u7d39\u4ecb\u3057\u305f\u65b9\u6cd5\u4ee5\u5916\u306b\u3082\u591a\u6570\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u73fe\u5728\u9032\u884c\u5f62\u3067DDoS\u653b\u6483\u306e\u88ab\u5bb3\u306b\u906d\u308f\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001Cloudflare\u304bSucuri\u306e\u3069\u3061\u3089\u304b\u306b\u79fb\u884c\u3059\u308c\u3070\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u5fa9\u65e7\u3068\u904b\u7528\u3092\u884c\u3048\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u30b9\u30d1\u30e0\u30dc\u30c3\u30c8\u306b\u3088\u308b\u5e2f\u57df\u5e45\u306e\u6d88\u8cbb\u3092\u9632\u3050\u306b\u306f\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08WAF\uff09\u304c\u975e\u5e38\u306b\u52b9\u679c\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u524d\u306f\u3001\u30cd\u30ac\u30c6\u30a3\u30d6SEO\u653b\u6483\uff08\u9006SEO\u653b\u6483\u3068\u3082\uff09\u3092\u4e00 &#8230;<\/p>\n","protected":false},"author":38,"featured_media":60743,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[834],"class_list":["post-60742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-wordpress-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DDoS\u653b\u6483\u3092\u672a\u7136\u306b\u9632\u5fa1\u3059\u308b\u65b9\u6cd5\uff08\u5b9f\u4f8b\u3092\u3082\u3068\u306b\u624b\u9806\u3092\u3054\u7d39\u4ecb\uff09<\/title>\n<meta name=\"description\" content=\"DDoS\u653b\u6483\u3092\u672a\u7136\u306b\u9632\u3050\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b7\u65e5\u9593\u306751\u4e071,000\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u305f\u30b5\u30a4\u30c8\u3092\u4f8b\u306b\u6319\u3052\u3066\u898b\u3066\u3044\u304d\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:\/\/kinsta.com\/jp\/blog\/ddos-attack\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DDoS\u653b\u6483\u3092\u672a\u7136\u306b\u9632\u5fa1\u3059\u308b\u65b9\u6cd5\uff08\u5b9f\u4f8b\u3092\u3082\u3068\u306b\u624b\u9806\u3092\u3054\u7d39\u4ecb\uff09\" \/>\n<meta property=\"og:description\" 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