{"id":2989,"date":"2025-05-08T17:13:13","date_gmt":"2025-05-08T09:13:13","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=2989"},"modified":"2025-05-09T09:38:10","modified_gmt":"2025-05-09T01:38:10","slug":"the-core-functions-and-practical-applications-of-waf","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/ja\/waf\u306e\u30b3\u30a2\u6a5f\u80fd\u3068\u5b9f\u7528\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\/","title":{"rendered":"Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08WAF\uff09\u306e\u30b3\u30a2\u6a5f\u80fd\u3068\u5b9f\u7528\u7684\u4f7f\u7528\u6cd5"},"content":{"rendered":"<p class=\"\" data-start=\"119\" data-end=\"236\">\u6628\u4eca\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3082\u306f\u3084\u6280\u8853\u8005\u3060\u3051\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u96fb\u5b50\u5546\u53d6\u5f15\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u4f01\u696d\u306e Web \u30b5\u30a4\u30c8\u307e\u3067\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e Web \u30b5\u30a4\u30c8\u304c SQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001\u30af\u30ed\u30b9\u30b5\u30a4\u30c8 \u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0 (XSS)\u3001\u60aa\u610f\u306e\u3042\u308b\u30af\u30ed\u30fc\u30e9\u30fc\u3001\u3055\u3089\u306b\u306f DDoS 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\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u7279\u5225\u306b\u4f7f\u7528\u3055\u308c\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u653b\u6483\u3092\u9632\u5fa1\u3059\u308b\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001WAF \u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u304a\u308a\u3001Web \u30b5\u30a4\u30c8\u81ea\u4f53\u3092\u6a19\u7684\u3068\u3057\u305f\u60aa\u610f\u306e\u3042\u308b\u52d5\u4f5c\u3092\u52b9\u679c\u7684\u306b\u8b58\u5225\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<p class=\"\" data-start=\"363\" data-end=\"411\">\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u9580\u3092\u5b88\u308b\u8b66\u5099\u54e1\u3060\u3068\u3059\u308b\u3068\u3001WAF \u306f\u5e97\u306e\u5165\u308a\u53e3\u306b\u7acb\u3063\u3066\u5165\u5e97\u3059\u308b\u3059\u3079\u3066\u306e\u9867\u5ba2\u306e\u884c\u52d5\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u8b66\u5099\u54e1\u3067\u3059\u3002<\/p>\n<p class=\"\" data-start=\"413\" data-end=\"430\">WAF \u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u308b\u4e00\u822c\u7684\u306a\u653b\u6483\u306e\u7a2e\u985e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li class=\"\" data-start=\"432\" data-end=\"457\">\n<p class=\"\" data-start=\"434\" data-end=\"457\"><strong data-start=\"434\" data-end=\"444\">SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/strong>: \u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"458\" data-end=\"484\">\n<p class=\"\" data-start=\"460\" data-end=\"484\"><strong data-start=\"460\" data-end=\"470\">XSS\u653b\u6483<\/strong>: \u60aa\u610f\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u633f\u5165\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u3092\u76d7\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"485\" data-end=\"509\">\n<p class=\"\" data-start=\"487\" data-end=\"509\"><strong data-start=\"487\" data-end=\"495\">\u529b\u305a\u304f<\/strong>: \u30da\u30fc\u30b8\u3078\u306e\u81ea\u52d5\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"510\" data-end=\"532\">\n<p class=\"\" data-start=\"512\" data-end=\"532\"><strong data-start=\"512\" data-end=\"520\">\u60aa\u610f\u306e\u3042\u308b\u30af\u30ed\u30fc\u30e9\u30fc<\/strong>: \u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5897\u52a0\u3055\u305b\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"533\" data-end=\"564\">\n<p class=\"\" data-start=\"535\" data-end=\"564\"><strong data-start=\"535\" data-end=\"550\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64DDoS\u653b\u6483<\/strong>: \u901a\u5e38\u306e\u30a2\u30af\u30bb\u30b9\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u5727\u5012\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4>WAF\u306e\u4ed5\u7d44\u307f<\/h4>\n<p class=\"\" data-start=\"580\" data-end=\"632\">WAF \u306f\u901a\u5e38\u3001\u30e6\u30fc\u30b6\u30fc\u3068 Web \u30b5\u30a4\u30c8 \u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306b\u5c55\u958b\u3055\u308c\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u5165\u308b\u524d\u306b WAF \u691c\u67fb\u306b\u5408\u683c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u52d5\u4f5c\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul data-start=\"634\" data-end=\"756\">\n<li class=\"\" data-start=\"634\" data-end=\"660\">\n<p class=\"\" data-start=\"636\" data-end=\"660\"><strong data-start=\"636\" data-end=\"644\">\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8<\/strong>\uff1a\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u307e\u305aWAF\u306b\u3088\u3063\u3066\u5206\u6790\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"661\" data-end=\"691\">\n<p class=\"\" data-start=\"663\" data-end=\"691\"><strong data-start=\"663\" data-end=\"671\">\u30b3\u30f3\u30c6\u30f3\u30c4\u691c\u51fa<\/strong>: \u30ea\u30af\u30a8\u30b9\u30c8\u5185\u306e URL\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u306a\u3069\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"692\" data-end=\"727\">\n<p class=\"\" data-start=\"694\" data-end=\"727\"><strong data-start=\"694\" data-end=\"702\">\u6226\u7565\u30de\u30c3\u30c1\u30f3\u30b0<\/strong>: \u30eb\u30fc\u30eb\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3001\u307e\u305f\u306f AI \u30e2\u30c7\u30eb\u306b\u57fa\u3065\u3044\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6b63\u5f53\u6027\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"728\" data-end=\"756\">\n<p class=\"\" data-start=\"730\" data-end=\"756\"><strong data-start=\"730\" data-end=\"738\">\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30b9\u30dd\u30f3\u30b9<\/strong>: \u7570\u5e38\u306a\u52d5\u4f5c\u306f\u508d\u53d7\u3001\u8a18\u9332\u3001\u307e\u305f\u306f\u901f\u5ea6\u5236\u9650\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"758\" data-end=\"801\">\u4e00\u90e8\u306e WAF \u306f\u3001\u9032\u5316\u3059\u308b\u653b\u6483\u65b9\u6cd5\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u30ed\u30b0\u5206\u6790\u3001\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u306e\u5171\u6709\u3001\u81ea\u52d5\u30eb\u30fc\u30eb\u66f4\u65b0\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4 data-start=\"343\" data-end=\"380\">WAF\u30b3\u30a2\u6a5f\u80fd<\/h4>\n<h5 data-start=\"814\" data-end=\"832\">1. \u4e00\u822c\u7684\u306a\u30a6\u30a7\u30d6\u653b\u6483\u304b\u3089\u9632\u5fa1\u3059\u308b<\/h5>\n<p class=\"\" data-start=\"834\" data-end=\"883\">WAF \u306f\u3001SQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001XSS\u3001\u30b3\u30de\u30f3\u30c9 \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u653b\u6483\u52d5\u4f5c\u3092\u8b58\u5225\u3057\u3001\u30da\u30fc\u30b8\u306e\u6539\u3056\u3093\u3001\u30c7\u30fc\u30bf\u6f0f\u6d29\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5236\u5fa1\u55aa\u5931\u3092\u52b9\u679c\u7684\u306b\u9632\u304e\u307e\u3059\u3002<\/p>\n<h5 data-start=\"885\" data-end=\"899\">2. \u304d\u3081\u7d30\u304b\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/h5>\n<p class=\"\" data-start=\"901\" data-end=\"950\">IP \u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3068\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u3001\u5730\u7406\u7684\u4f4d\u7f6e\u306e\u5236\u9650\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u305d\u306e\u4ed6\u306e\u6226\u7565\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084\u30d6\u30eb\u30fc\u30c8 \u30d5\u30a9\u30fc\u30b9 \u30af\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<h5 data-start=\"952\" data-end=\"968\">3. \u30ed\u30b0\u30a4\u30f3\u3068\u6a5f\u5bc6\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4fdd\u8b77<\/h5>\n<p class=\"\" data-start=\"970\" data-end=\"1013\">\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306b\u3088\u308b\u60aa\u7528\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30ed\u30b0\u30a4\u30f3 \u30da\u30fc\u30b8\u3084\u652f\u6255\u3044\u30da\u30fc\u30b8\u306a\u3069\u306e\u6a5f\u5bc6\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u306e\u5236\u9650\u3001\u691c\u8a3c\u30b3\u30fc\u30c9 \u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u304a\u3088\u3073\u52d5\u4f5c\u5206\u6790\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h5 data-start=\"1015\" data-end=\"1032\">4. \u30af\u30ed\u30fc\u30e9\u30fc\u3084\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d6\u30e9\u30c3\u30b7\u30f3\u30b0\u884c\u70ba\u306b\u62b5\u6297\u3059\u308b<\/h5>\n<p class=\"\" data-start=\"1034\" data-end=\"1080\">\u30d1\u30b9 \u30d1\u30bf\u30fc\u30f3\u3001\u30a2\u30af\u30bb\u30b9\u901f\u5ea6\u5206\u6790\u3001\u30c7\u30d0\u30a4\u30b9 \u30d5\u30a3\u30f3\u30ac\u30fc\u30d7\u30ea\u30f3\u30c8\u306a\u3069\u306e\u624b\u6bb5\u3092\u901a\u3058\u3066\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u8cfc\u5165\u3084\u30b3\u30e1\u30f3\u30c8\u306e\u6295\u7a3f\u306a\u3069\u306e\u7570\u5e38\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8b58\u5225\u3057\u3066\u508d\u53d7\u3057\u307e\u3059\u3002<\/p>\n<h5 data-start=\"1082\" data-end=\"1098\">5. \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u76e3\u8996\u3068\u30ed\u30b0\u76e3\u67fb<\/h5>\n<p class=\"\" data-start=\"1100\" data-end=\"1141\">\u5404\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u7d50\u679c\u3092\u8a18\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u5143\u3001\u5fdc\u7b54\u901f\u5ea6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u5206\u6790\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u76e3\u67fb\u306b\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h5 data-start=\"1143\" data-end=\"1160\">6. \u30eb\u30fc\u30eb\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3001\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3059\u308b<\/h5>\n<p class=\"\" data-start=\"1162\" data-end=\"1196\">\u30d3\u30b8\u30cd\u30b9\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30eb\u30fc\u30eb\u8a2d\u5b9a\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30af\u30e9\u30a6\u30c9 \u30eb\u30fc\u30eb \u30d9\u30fc\u30b9\u3068\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4fdd\u8b77\u6226\u7565\u3092\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>WAF \u3092\u9078\u3076\u7406\u7531<\/h4>\n<ul>\n<li class=\"\" data-start=\"1213\" data-end=\"1256\">\n<p class=\"\" data-start=\"1215\" data-end=\"1256\"><strong data-start=\"1215\" data-end=\"1229\">Web\u5c64\u306e\u4fdd\u8b77\u306b\u91cd\u70b9\u3092\u7f6e\u304f<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001WAF \u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u653b\u6483\u3092\u6b63\u78ba\u306b\u8b58\u5225\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li class=\"\" data-start=\"1257\" data-end=\"1291\">\n<p class=\"\" data-start=\"1259\" data-end=\"1291\"><strong data-start=\"1259\" 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data-end=\"1411\">\u30af\u30e9\u30a6\u30c9\u306e\u5f3e\u529b\u7684\u306a\u62e1\u5f35<\/strong>\u305f\u3068\u3048\u3070\u3001AWS WAF \u306f\u30d3\u30b8\u30cd\u30b9\u306e\u6210\u9577\u306b\u5408\u308f\u305b\u3066\u67d4\u8edf\u306b\u62e1\u5f35\u3067\u304d\u3001\u30de\u30eb\u30c1\u30ea\u30fc\u30b8\u30e7\u30f3\u5c55\u958b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4>WAF\u306e\u5b9f\u969b\u306e\u9069\u7528\u30b7\u30ca\u30ea\u30aa\u306e\u4f8b<\/h4>\n<p class=\"\" data-start=\"1454\" data-end=\"1468\">WAF \u306f\u6b21\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li class=\"\" data-start=\"1470\" data-end=\"1503\">\n<p class=\"\" data-start=\"1472\" data-end=\"1503\"><strong data-start=\"1472\" 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\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3059\u3002\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u7ba1\u7406\u3092\u7c21\u7d20\u5316\u3057\u306a\u304c\u3089\u3001Web \u5c64\u653b\u6483\u306b\u5bfe\u3059\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f\u9632\u5fa1\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001Web \u30b5\u30a4\u30c8\u306e\u5b89\u5b9a\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u30d3\u30b8\u30cd\u30b9\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u4f01\u696d\u306b\u3068\u3063\u3066\u3001WAF \u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b5\u30fc\u30d3\u30b9\u306e\u7d99\u7d9a\u7684\u304b\u3064\u5b89\u5168\u306a\u904b\u7528\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>\n<p class=\"\" 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