{"id":18286,"date":"2026-04-06T10:37:16","date_gmt":"2026-04-06T01:37:16","guid":{"rendered":"https:\/\/ebisumart.com\/blog\/?p=18286"},"modified":"2026-04-06T10:37:16","modified_gmt":"2026-04-06T01:37:16","slug":"ec-firewall","status":"publish","type":"post","link":"https:\/\/ebisumart.com\/blog\/ec-firewall\/","title":{"rendered":"\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089EC\u30b5\u30a4\u30c8\u3092\u5b88\u308b\uff01\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u57fa\u790e\u77e5\u8b58"},"content":{"rendered":"

EC\u30b5\u30a4\u30c8\u304c\u9867\u5ba2\u306e\u500b\u4eba\u60c5\u5831\u3084\u6c7a\u6e08\u60c5\u5831\u3092\u6271\u3046\u4ee5\u4e0a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u8105\u5a01\u306f\u6975\u3081\u3066\u6df1\u523b\u3067\u3059\u3002<\/p>\n

\u58f2\u4e0a\u3084\u30d6\u30e9\u30f3\u30c9\u4fe1\u983c\u3092\u5b88\u308b\u306b\u306f\u3001\u901a\u4fe1\u306e\u7570\u5e38\u3092\u906e\u65ad\u3059\u308b\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u300d<\/strong><\/span>\u3068\u3001Web\u30a2\u30d7\u30ea\u306e\u8106\u5f31\u6027\u3092\u72d9\u3046\u653b\u6483\u306b\u7279\u5316\u3057\u305f\u300cWAF\uff08Web Application Firewall\uff09\u300d<\/span><\/strong>\u3068\u3044\u3063\u305f\u9632\u5fa1\u7b56\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5bfe\u7b56\u3059\u308b\u3053\u3068\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272\u3084WAF\u306e\u5f37\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

1. EC\u30b5\u30a4\u30c8\u304c\u76f4\u9762\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3068\u306f\uff1f<\/h2>\n

EC\u30b5\u30a4\u30c8\u904b\u55b6\u3067\u306f\u3001\u5404\u7a2e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

\u60c5\u5831\u6f0f\u3048\u3044\uff08\u500b\u4eba\u60c5\u5831\u30fb\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u60c5\u5831\uff09<\/h3>\n

EC\u30b5\u30a4\u30c8\u3067\u306e\u60c5\u5831\u6f0f\u3048\u3044\u306f\u3001\u9867\u5ba2\u306e\u500b\u4eba\u60c5\u5831\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u60c5\u5831\u304c\u4e0d\u6b63\u306b\u53d6\u5f97\u3055\u308c\u308b\u6df1\u523b\u306a\u554f\u984c<\/strong><\/span>\u3067\u3059\u3002<\/p>\n

\u7279\u306b\u3001\u30b5\u30fc\u30d0\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u306b\u3088\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u53d6\u5f15\u4e2d\u306b\u91cd\u5927\u306a\u30c7\u30fc\u30bf\u304c\u6f0f\u3048\u3044\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4f01\u696d\u306f\u88dc\u511f\u8cbb\u7528\u3084\u6cd5\u7684\u8cac\u4efb\u3092\u8ca0\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u9867\u5ba2\u304b\u3089\u306e\u4fe1\u983c\u3082\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u3001\u60c5\u5831\u6f0f\u3048\u3044\u304c\u516c\u8868\u3055\u308c\u308b\u3068\u3001\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u3078\u306e\u6253\u6483\u3082\u907f\u3051\u3089\u308c\u307e\u305b\u3093<\/strong>\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6697\u53f7\u5316\u6280\u8853\u306e\u6d3b\u7528\u3001\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u3001\u30b9\u30bf\u30c3\u30d5\u6559\u80b2\u306a\u3069\u3001\u591a\u89d2\u7684\u306a\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n

Web\u30b9\u30ad\u30df\u30f3\u30b0\uff08\u30d5\u30a9\u30fc\u30e0\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\uff09\u3084SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/h3>\n

Web\u30b9\u30ad\u30df\u30f3\u30b0\u306f\u3001EC\u30b5\u30a4\u30c8\u306e\u30d5\u30a9\u30fc\u30e0\u753b\u9762\u306b\u4e0d\u6b63\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4ed5\u8fbc\u3080\u3053\u3068\u3067\u3001\u5165\u529b\u3055\u308c\u305f\u500b\u4eba\u60c5\u5831\u304c\u76d7\u307e\u308c\u308b\u653b\u6483\u624b\u6cd5<\/strong><\/span>\u3067\u3059\u3002\u3053\u308c\u306b\u5bfe\u3057\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u653b\u6483\u304c\u884c\u308f\u308c\u3001\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63\u53d6\u5f97\u3055\u308c\u308b\u5371\u967a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3069\u3061\u3089\u3082\u3001\u65b0\u305f\u306a\u8105\u5a01\u304c\u65e5\u3005\u73fe\u308c\u3066\u304a\u308a\u3001\u30b5\u30a4\u30c8\u7ba1\u7406\u8005\u306f\u6ce8\u610f\u3092\u6255\u308f\u306d\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u9632\u5fa1\u7b56\u3068\u3057\u3066\u306f\u3001WAF\u306e\u6d3b\u7528\u306b\u3088\u308b\u4e0d\u6b63\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6392\u9664\u3084\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u653b\u6483\u9632\u6b62<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b9a\u671f\u7684\u306a\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u3092\u884c\u3044\u3001\u554f\u984c\u3092\u65e9\u671f\u306b\u767a\u898b\u30fb\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n

\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u30fbDDoS\u653b\u6483\u306b\u3088\u308b\u6a5f\u4f1a\u640d\u5931<\/h3>\n

DDoS\u653b\u6483\u306f\u3001EC\u30b5\u30a4\u30c8\u3092\u505c\u6b62\u3055\u305b\u3001\u30a2\u30af\u30bb\u30b9\u4e0d\u53ef\u72b6\u614b\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u5927\u306a\u6a5f\u4f1a\u640d\u5931\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059<\/strong><\/span>\u3002\u7279\u306b\u91cd\u8981\u306a\u8ca9\u58f2\u671f\u9593\u4e2d\u306b\u30b5\u30a4\u30c8\u304c\u30c0\u30a6\u30f3\u3059\u308b\u3068\u3001\u58f2\u4e0a\u306e\u640d\u5931\u306f\u3082\u3061\u308d\u3093\u3001\u9867\u5ba2\u304b\u3089\u306e\u4fe1\u983c\u55aa\u5931\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n

DDoS\u653b\u6483\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u614b\u3067\u65e5\u3005\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u5358\u7d14\u306a\u9632\u5fa1\u7b56\u3067\u306f\u5bfe\u51e6\u3067\u304d\u306a\u3044\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u3044\u307e\u3059<\/span>\u3002\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u304b\u3089\u5b88\u308b\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5197\u9577\u5316\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u76e3\u8996\u3001\u81ea\u52d5\u5bfe\u5fdc\u30b7\u30b9\u30c6\u30e0\u306e\u5c0e\u5165\u304c\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n

2. \u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e3\u3064\u306e\u7a2e\u985e<\/h2>\n

EC\u30b5\u30a4\u30c8\u3092\u5b88\u308b\u306b\u306f\u3001\u7570\u306a\u308b\u30ec\u30a4\u30e4\u30fc\u3067\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u8907\u6570\u306e\u9632\u5fa1\u624b\u6bb5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u30013\u7a2e\u985e\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

\u2460 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578b<\/h3>\n

\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u901a\u4fe1\u306b\u542b\u307e\u308c\u308bIP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u65b9\u5411\u6027\u3092\u3082\u3068\u306b\u3001\u30a2\u30af\u30bb\u30b9\u306e\u8a31\u53ef\u53ef\u5426\u3092\u5224\u65ad\u3057\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u906e\u65ad\u3057\u307e\u3059<\/strong><\/span>\u3002\u3053\u308c\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff08OSI\u30e2\u30c7\u30eb\u306e\u7b2c3\u5c64\u30fb\u7b2c4\u5c64\uff09\u3067\u6a5f\u80fd\u3057\u3001\u901a\u4fe1\u306e\u300c\u8ab0\u304c\u300d\u300c\u3069\u3053\u3078\u300d\u3068\u3044\u3063\u305f\u901a\u904e\u53ef\u5426\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002\u200b<\/p>\n

\u305f\u3060\u3057\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u3088\u3046\u306a\u653b\u6483\u306f\u691c\u77e5\u5bfe\u8c61\u5916\u3068\u306a\u308a\u307e\u3059<\/span>\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u57fa\u790e\u7684\u306a\u9632\u885b\u3092\u6577\u304f\u306b\u306f\u6700\u9069\u3067\u3059\u304c\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3042\u308b\u70b9\u306b\u7559\u610f\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002\u5b88\u308a\u306e\u57fa\u76e4\u3068\u3057\u3066\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u88dc\u5b8c\u7684\u306a\u63aa\u7f6e\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\u2461 IDS\/IPS<\/h3>\n

IDS\uff08\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff09\u306f\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u653b\u6483\u30d1\u30bf\u30fc\u30f3\u3092\u76e3\u8996\u3057\u3001\u7570\u5e38\u3092\u691c\u77e5\u3059\u308b\u3068\u7ba1\u7406\u8005\u3078\u901a\u77e5<\/strong>\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001IPS\uff08\u4fb5\u5165\u9632\u6b62\u30b7\u30b9\u30c6\u30e0\uff09\u306fIDS\u306e\u691c\u77e5\u6a5f\u80fd\u306b\u52a0\u3048\u3001\u691c\u77e5\u3057\u305f\u901a\u4fe1\u3092\u81ea\u52d5\u3067\u906e\u65ad\u3059\u308b\u6a5f\u80fd<\/strong>\u3092\u5099\u3048\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3060\u3051\u3067\u306f\u9632\u3052\u306a\u3044OS\u3084\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3078\u306e\u653b\u6483\u306b\u5bfe\u3057\u3066\u3082\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/p>\n

IDS\/IPS\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6d41\u308c\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u76e3\u8996\u3057\u3001\u653b\u6483\u306e\u5146\u5019\u3092\u65e9\u671f\u306b\u5bdf\u77e5\u3059\u308b\u6226\u7565\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u5c0e\u5165\u306e\u969b\u306b\u306f\u3001\u8aa4\u691c\u77e5\u3092\u9632\u3050\u305f\u3081\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u304c\u91cd\u8981\u3067\u3042\u308a\u3001\u9069\u5207\u306a\u30eb\u30fc\u30eb\u8a2d\u5b9a\u3084\u30b7\u30b0\u30cd\u30c1\u30e3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u3063\u3066\u7cbe\u5ea6\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n

Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u8106\u5f31\u6027\u3001\u305f\u3068\u3048\u3070\u30d5\u30a9\u30fc\u30e0\u7d4c\u7531\u306e\u60aa\u610f\u3042\u308b\u5165\u529b\u306b\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u70b9\u304c\u5f31\u70b9<\/span>\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001IDS\/IPS\u306f\u4e2d\u9593\u5c64\u306e\u9632\u5fa1\u3068\u3057\u3066\u3001EC\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u5805\u7262\u6027\u3092\u9ad8\u3081\u308b\u5f79\u5272<\/strong><\/span>\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n

\u2462 WAF<\/h3>\n

WAF\uff08Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff09\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff08OSI\u30e2\u30c7\u30eb\u306e\u7b2c7\u5c64\uff09\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u901a\u4fe1\u5185\u5bb9\u3092\u691c\u67fb\u30fb\u5236\u5fa1\u3057\u307e\u3059\u3002\u7279\u306bEC\u30b5\u30a4\u30c8\u3067\u591a\u3044\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u3068\u3044\u3063\u305fWeb\u7279\u6709\u306e\u8105\u5a01\u3092\u5bfe\u8c61\u3068\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u5bb9\u304b\u3089\u653b\u6483\u3092\u691c\u77e5\u3057\u906e\u65ad\u3067\u304d\u308b\u70b9\u304c\u5927\u304d\u306a\u7279\u5fb4<\/strong><\/span>\u3067\u3059\u3002<\/p>\n

WAF\u306fWeb\u30b5\u30fc\u30d0\u306e\u524d\u6bb5\u306b\u8a2d\u7f6e\u3055\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3092\u300c\u5b88\u308a\u306e\u6700\u524d\u7dda\u300d\u3068\u3057\u3066\u4fdd\u8b77\u3057\u307e\u3059\u3002\u5c0e\u5165\u5f62\u614b\u3068\u3057\u3066\u306f\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u578b\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u578b\u3001\u30af\u30e9\u30a6\u30c9\u578b\u304c\u3042\u308a\u3001\u30b3\u30b9\u30c8\u3084\u5c0e\u5165\u306e\u67d4\u8edf\u6027\u306b\u5fdc\u3058\u3066\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u3001WAF\u306f\u983b\u7e41\u306b\u5909\u5316\u3059\u308b\u8105\u5a01\u306b\u5bfe\u6297\u3059\u308b\u305f\u3081\u306b\u3001\u5b9a\u671f\u7684\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u6c42\u3081\u3089\u308c\u3001\u65b0\u3057\u3044\u653b\u6483\u624b\u6cd5\u3078\u306e\u8fc5\u901f\u306a\u5bfe\u5fdc\u304c\u91cd\u8981\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u904b\u7528\u7ba1\u7406\u3082\u5927\u4e8b\u306a\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578b\u3084IDS\/IPS\u3068\u4f75\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u5c64\u9632\u5fa1\u3092\u5b9f\u73fe\u3067\u304d\u3001EC\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n

\u65b0\u305f\u306a\u8105\u5a01\u306b\u5bfe\u3057\u3066\u3082\u67d4\u8edf\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308bWAF\u306f\u3001EC\u30b5\u30a4\u30c8\u306b\u4e0d\u53ef\u6b20\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u7d20<\/strong>\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

3. \u306a\u305cEC\u30b5\u30a4\u30c8\u306b\u306f\u300cWAF\u300d\u304c\u4e0d\u53ef\u6b20\u306a\u306e\u304b\uff1f<\/h2>\n

EC\u30b5\u30a4\u30c8\u306f\u9867\u5ba2\u306e\u500b\u4eba\u60c5\u5831\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u60c5\u5831\u3092\u6271\u3063\u3066\u304a\u308a\u3001\u305d\u3053\u3092\u72d9\u3046\u653b\u6483\u304c\u6025\u5897\u3057\u3066\u3044\u308b\u305f\u3081\u3001WAF\u306e\u5c0e\u5165\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n

\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u3059\u308a\u629c\u3051\u308b\u300cSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u300d\u300cXSS\u300d<\/h3>\n

\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u30d1\u30b1\u30c3\u30c8\u306e\u9001\u53d7\u4fe1\u3092\u5236\u5fa1\u3057\u307e\u3059\u304c\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5185\u5bb9\u307e\u3067\u306f\u6df1\u304f\u691c\u67fb\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u305d\u306e\u305f\u3081\u3001\u653b\u6483\u8005\u306fSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u3092\u4f7f\u3044\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u3092\u7a81\u3044\u3066\u4e0d\u6b63\u306b\u60c5\u5831\u3092\u64cd\u4f5c\u3057\u305f\u308a\u3001\u9867\u5ba2\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u60aa\u610f\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u305f\u308a\u3059\u308b\u653b\u6483\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

WAF\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u5185\u5bb9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u3053\u3046\u3057\u305f\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff08\u30ab\u30fc\u30c8\u6a5f\u80fd\u3084\u4f1a\u54e1\u767b\u9332\u30d5\u30a9\u30fc\u30e0\uff09\u3092\u76f4\u63a5\u5b88\u308c\u308b\u306e\u306fWAF\u3060\u3051<\/h3>\n

EC\u30b5\u30a4\u30c8\u3067\u306f\u30ab\u30fc\u30c8\u6a5f\u80fd\u3084\u4f1a\u54e1\u767b\u9332\u30d5\u30a9\u30fc\u30e0\u3068\u3044\u3063\u305fWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3067\u306e\u51e6\u7406\u304c\u591a\u304f\u3001\u3053\u3053\u304c\u72d9\u308f\u308c\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n

WAF\u306fHTTP\u901a\u4fe1\u306e\u5185\u5bb9\u3092\u691c\u67fb\u3057\u3001\u4e0d\u6b63\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u6301\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5230\u9054\u3055\u305b\u305a\u306b\u906e\u65ad\u3067\u304d\u307e\u3059<\/strong><\/span>\u3002<\/p>\n

\u3053\u3046\u3057\u305f\u6a5f\u80fd\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u306f\u5b9f\u73fe\u3067\u304d\u305a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b89\u5168\u6027\u3092\u4fdd\u3064\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30af\u30e9\u30a6\u30c9\u578bEC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u306e\u76f8\u6027<\/h3>\n

\u30af\u30e9\u30a6\u30c9\u578bWAF\u306f\u5c0e\u5165\u304c\u7c21\u5358\u3067\u3001\u521d\u671f\u5c0e\u5165\u8cbb\u7528\u3084\u904b\u7528\u8ca0\u8377\u304c\u6bd4\u8f03\u7684\u4f4e\u304f\u6291\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u4e2d\u5c0f\u898f\u6a21\u306eEC\u30b5\u30a4\u30c8\u306b\u3082\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u578bEC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u3046\u5834\u5408\u3001\u540c\u3058\u304f\u30af\u30e9\u30a6\u30c9\u578b\u306eWAF\u3068\u76f8\u6027\u304c\u826f\u304f\u3001\u8a2d\u5b9a\u3084\u81ea\u52d5\u66f4\u65b0\u3001\u904b\u7528\u306e\u8ca0\u62c5\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5c02\u9580\u5bb6\u306b\u59d4\u306d\u3064\u3064\u3001\u5b89\u5b9a\u3057\u305f\u9632\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308b\u70b9\u304c\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n

4. EC\u30b5\u30a4\u30c8\u306b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u5c0e\u5165\u3059\u308b3\u3064\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n

\u3053\u3053\u3067\u306f\u3001EC\u30b5\u30a4\u30c8\u306b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8\u30923\u3064\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

\u2460 \u8106\u5f31\u6027\u5bfe\u7b56\u306e\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7<\/h3>\n

\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u305f\u969b\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u3068\u653b\u6483\u3092\u906e\u65ad\u3057\u3064\u3064\u8fc5\u901f\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070WAF\uff08Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff09\u306f\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u306a\u3069\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u691c\u77e5\u3057\u3001\u9632\u5fa1\u3067\u304d\u308b\u305f\u3081\u3001\u5bfe\u5fdc\u30b9\u30d4\u30fc\u30c9\u304c\u98db\u8e8d\u7684\u306b\u5411\u4e0a<\/span>\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u8907\u6570\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u591a\u5c64\u9632\u5fa1\u3092\u69cb\u7bc9\u3059\u308c\u3070\u3001\u3044\u3061\u65e9\u304f\u7570\u5e38\u3092\u906e\u65ad\u3057\u3064\u3064\u6839\u672c\u7684\u306a\u4fee\u6b63\u3092\u6574\u5099\u3067\u304d\u3001\u4e8b\u696d\u7d99\u7d9a\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u3067\u304d\u307e\u3059 \u3002\u3053\u306e\u3088\u3046\u306b\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u6027\u3078\u306e\u521d\u52d5\u5bfe\u7b56\u3068\u9577\u671f\u5bfe\u5fdc\u306e\u4e21\u9762\u3067\u30b9\u30d4\u30fc\u30c9\u611f\u304c\u9ad8\u307e\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u904b\u55b6\u306e\u5b89\u5fc3\u611f\u3068\u4f59\u88d5\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n

\u2461 \u958b\u767a\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/h3>\n

\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u5c0e\u5165\u306f\u3001\u5f8c\u304b\u3089\u767a\u899a\u3057\u305f\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u7dca\u6025\u5bfe\u5fdc\u30b3\u30b9\u30c8\u3092\u6291\u3048\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u3067\u3082\u3001WAF\u306a\u3069\u304c\u4e8b\u524d\u306b\u653b\u6483\u3092\u906e\u65ad\u3059\u308b\u3053\u3068\u3067\u3001\u6539\u4fee\u306e\u898f\u6a21\u3084\u983b\u5ea6\u304c\u6e1b\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u8ca0\u8377\u3084\u958b\u767a\u8cbb\u7528\u3092\u6291\u5236\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u3001WAF\u306e\u8a2d\u5b9a\u306f\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u3067\u521d\u5fc3\u8005\u306b\u3082\u4f7f\u3044\u3084\u3059\u304f\u3001\u5c0e\u5165\u30fb\u7dad\u6301\u306b\u304b\u304b\u308b\u4eba\u7684\u30b3\u30b9\u30c8\u3082\u4f4e\u304f\u6291\u3048\u3089\u308c\u307e\u3059 \u3002\u307e\u305f\u591a\u5c64\u9632\u5fa1\u69cb\u6210\u306b\u3088\u308a\u521d\u671f\u8a2d\u8a08\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u5fdc\u3092\u6574\u3048\u3066\u304a\u3051\u3070\u3001\u6539\u4fee\u306e\u305f\u3073\u306b\u8a2d\u8a08\u3084\u30c6\u30b9\u30c8\u304c\u4e0d\u8981\u3068\u306a\u308a\u3001\u9577\u671f\u7684\u306a\u904b\u7528\u30b3\u30b9\u30c8\u306e\u4f4e\u6e1b\u3082\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u2462 \u9867\u5ba2\u3078\u306e\u5b89\u5fc3\u611f\u8a34\u6c42<\/h3>\n

EC\u30b5\u30a4\u30c8\u306b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u9867\u5ba2\u304c\u5b89\u5fc3\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u74b0\u5883\u3092\u8a34\u6c42\u3067\u304d\u307e\u3059\u3002<\/p>\n

WAF\u3092\u5c0e\u5165\u3057\u3001\u901a\u4fe1\u3084\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u654f\u611f\u306a\u9867\u5ba2\u5c64\u306b\u5bfe\u3057\u3066\u5f37\u3044\u5b89\u5fc3\u6750\u6599\u3068\u306a\u308a\u307e\u3059<\/strong><\/span>\u3002\u7279\u306b\u3001SSL\/TLS\u5bfe\u5fdc\u3068\u4f75\u305b\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30a2\u30d4\u30fc\u30eb\u3059\u308c\u3070\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30a4\u30c8\u3068\u3057\u3066\u9078\u3070\u308c\u308b\u7406\u7531\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u3068\u8a8d\u8b58\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306f\u3001\u30ab\u30fc\u30c8\u96e2\u8131\u7387\u306e\u6539\u5584\u3084\u30ea\u30d4\u30fc\u30bf\u30fc\u5897\u52a0\u306a\u3069\u5b9f\u969b\u306e\u58f2\u4e0a\u52b9\u679c\u306b\u3082\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u4f8b\u304c\u3042\u308a\u307e\u3059<\/span>\u3002\u3053\u3046\u3057\u305f\u5b89\u5fc3\u611f\u306f\u3001\u4fa1\u683c\u3084\u5229\u4fbf\u6027\u3068\u4e26\u3076\u91cd\u8981\u306a\u9078\u5b9a\u8981\u7d20\u3068\u306a\u308a\u3001\u7af6\u5408\u3068\u306e\u5dee\u5225\u5316\u306b\u3082\u5bc4\u4e0e\u3057\u307e\u3059\u3002<\/p>\n

5. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u4e38\u6295\u3052\u3057\u306a\u3044\u305f\u3081\u306b<\/h2>\n

EC\u30b5\u30a4\u30c8\u306e\u904b\u55b6\u8005\u3068\u3057\u3066\u3001\u5916\u90e8\u306e\u5c02\u9580\u5bb6\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u3059\u3079\u3066\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u4efb\u305b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u81ea\u8eab\u3082\u6df1\u304f\u7406\u89e3\u3057\u95a2\u4e0e\u3059\u308b\u59ff\u52e2\u304c\u5927\u5207\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u672c\u7684\u306a\u77e5\u8b58\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u3092\u78ba\u4fdd\u3057\u3084\u3059\u304f\u306a\u308a\u3001\u4e0d\u6e2c\u306e\u4e8b\u614b\u3078\u306e\u8fc5\u901f\u306a\u5bfe\u5fdc\u3082\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u81ea\u4f53\u306e\u5805\u7262\u6027\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n

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6. \u307e\u3068\u3081<\/h2>\n

EC\u30b5\u30a4\u30c8\u3092\u5b88\u308b\u306b\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u7279\u5316\u3057\u305fWAF\uff08Web Application Firewall\uff09\u306e\u5c0e\u5165\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084XSS\u3001DDoS\u3068\u3044\u3063\u305f\u653b\u6483\u3092\u906e\u65ad\u3057\u3001\u8106\u5f31\u6027\u306b\u3088\u308b\u88ab\u5bb3\u3092\u5373\u6642\u306b\u6291\u5236\u3067\u304d\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u578bWAF\u3092\u6d3b\u7528\u3059\u308c\u3070\u5c0e\u5165\u3082\u904b\u7528\u3082\u8ca0\u62c5\u304c\u8efd\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306e\u9ad8\u3044EC\u30b5\u30a4\u30c8\u69cb\u7bc9\u3092\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u304c\u63d0\u4f9b\u3059\u308bEC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u300cEBISUMART\uff08\u30a8\u30d3\u30b9\u30de\u30fc\u30c8\uff09\u300d\u304c\u304a\u3059\u3059\u3081\u3067\u3059<\/strong>\u3002EBISUMART\u306f\u91d1\u878d\u7cfb\u306e\u30b5\u30a4\u30c8\u306b\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u3001\u9ad8\u30ec\u30d9\u30eb\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3059\u308b\u30af\u30e9\u30a6\u30c9EC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059<\/strong><\/span>\u3002\u8cc7\u6599\u306e\u3054\u8acb\u6c42\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u3054\u78ba\u8a8d\u306e\u3046\u3048\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a\u300cEBISUMART\uff08\u30a8\u30d3\u30b9\u30de\u30fc\u30c8\uff09\u300d<\/a><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

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