{"id":475891,"date":"2023-08-09T07:24:43","date_gmt":"2023-08-09T07:24:43","guid":{"rendered":""},"modified":"2023-09-05T11:11:31","modified_gmt":"2023-09-05T11:11:31","slug":"application-firewall","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/application-firewall\/","title":{"rendered":"\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb"},"content":{"rendered":"<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af 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\u306b\u3088\u3063\u3066\u767a\u884c\u3055\u308c\u305f\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u512a\u3057\u3044 FTP\u300d\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u306e\u5b66\u8853\u8ad6\u6587\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u8ad6\u6587\u3067\u306f\u3001FTP \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5b9f\u88c5\u306b\u3064\u3044\u3066\u8ad6\u3058\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a73\u7d30\u306a\u7406\u89e3<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d9\u30fc\u30b9\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u3092\u4e00\u9023\u306e\u5b9a\u7fa9\u6e08\u307f\u30eb\u30fc\u30eb\u307e\u305f\u306f\u30dd\u30ea\u30b7\u30fc\u306b\u7167\u3089\u3057\u3066\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u306e\u9593\u306e\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304c\u9632\u6b62\u3055\u308c\u3001\u30af\u30ed\u30b9\u30b5\u30a4\u30c8 \u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0 (XSS)\u3001SQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426 (DDoS) \u653b\u6483\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u8105\u5a01\u304b\u3089\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u9001\u4fe1\u5143\u304a\u3088\u3073\u5b9b\u5148\u306e IP \u30a2\u30c9\u30ec\u30b9\u3001\u30dd\u30fc\u30c8\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30aa\u30fc\u30d7\u30f3 \u30b7\u30b9\u30c6\u30e0\u76f8\u4e92\u63a5\u7d9a (OSI) \u30e2\u30c7\u30eb\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64 (\u30ec\u30a4\u30e4\u30fc 7) 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\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u3060\u3051\u3067\u306a\u304f\u30d1\u30b1\u30c3\u30c8\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u691c\u67fb\u3057\u3001\u9ad8\u5ea6\u306a\u653b\u6483\u306e\u691c\u51fa\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u8a8d\u8b58\u578b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u7406\u89e3\u3057\u3001\u4f55\u3092\u8a31\u53ef\u3059\u308b\u304b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u3001\u3088\u308a\u591a\u304f\u306e\u60c5\u5831\u306b\u57fa\u3065\u3044\u305f\u6c7a\u5b9a\u3092\u4e0b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30eb\u30fc\u30eb<\/strong>: \u7ba1\u7406\u8005\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u30eb\u30fc\u30eb \u30bb\u30c3\u30c8\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u9ad8\u5ea6\u306a\u8105\u5a01\u9632\u5fa1<\/strong>: SQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001XSS\u3001CSRF \u306a\u3069\u306e\u8907\u96d1\u306a\u8105\u5a01\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3002<\/li>\n<li><strong>\u30e6\u30fc\u30b6\u8a8d\u8a3c<\/strong>: \u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u3001\u8a31\u53ef\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u7a2e\u985e<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u6b21\u306e 2 \u3064\u306e\u30bf\u30a4\u30d7\u306b\u5927\u5225\u3067\u304d\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d7\u30ed\u30ad\u30b7\u30d9\u30fc\u30b9<\/td>\n<td>\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u30e6\u30fc\u30b6\u30fc\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9593\u306e\u4ef2\u4ecb\u8005\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d5\u30ed\u30fc\u3092\u691c\u67fb\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u30d9\u30fc\u30b9<\/td>\n<td>\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3001\u8ffd\u52a0\u306e\u5236\u5fa1\u5c64\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u6d3b\u7528: \u8ab2\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d9\u30fc\u30b9\u306e\u8105\u5a01\u306b\u5bfe\u3059\u308b\u52b9\u679c\u7684\u306a\u9632\u5fa1\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u8ab2\u984c\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u30c1\u30e3\u30ec\u30f3\u30b8<\/strong>\uff1a\u8907\u96d1\u306a\u69cb\u6210\u3002\u30eb\u30fc\u30eb \u30bb\u30c3\u30c8\u306e\u5b9f\u88c5\u306f\u8907\u96d1\u3067\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<strong>\u89e3\u6c7a<\/strong>: \u81ea\u52d5\u5316\u3055\u308c\u305f\u30eb\u30fc\u30eb \u30bb\u30c3\u30c8\u69cb\u6210\u3092\u6d3b\u7528\u3059\u308b\u304b\u3001\u5c02\u4efb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u3092\u96c7\u3063\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30c1\u30e3\u30ec\u30f3\u30b8<\/strong>\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u3002\u30c7\u30a3\u30fc\u30d7 \u30d1\u30b1\u30c3\u30c8 \u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<strong>\u89e3\u6c7a<\/strong>: \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u91cf\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u9069\u5207\u306b\u62e1\u5f35\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u985e\u4f3c\u306e\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3092\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001OSI \u30e2\u30c7\u30eb\u306e\u3055\u307e\u3056\u307e\u306a\u5c64\u3067\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u7a2e\u985e<\/th>\n<th>OSI \u5c64<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/td>\n<td>\u30ec\u30a4\u30e4 3 (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af)<\/td>\n<td>IP \u30a2\u30c9\u30ec\u30b9\u3001\u30dd\u30fc\u30c8\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u898f\u5236\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/td>\n<td>\u30ec\u30a4\u30e4 7 (\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3)<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30ec\u30d9\u30eb\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u306e\u5185\u5bb9\u3092\u691c\u67fb\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5c06\u6765: \u5c55\u671b\u3068\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/h2>\n<p>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3082\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u4eba\u5de5\u77e5\u80fd (AI) \u3068\u6a5f\u68b0\u5b66\u7fd2 (ML) \u306f\u3001\u65b0\u3057\u3044\u8105\u5a01\u3092\u7279\u5b9a\u3057\u3066\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u7d71\u5408\u3055\u308c\u59cb\u3081\u3066\u304a\u308a\u3001\u305d\u306e\u6709\u52b9\u6027\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u30d1\u30bf\u30fc\u30f3\u304b\u3089\u5b66\u7fd2\u3057\u3001\u7570\u5e38\u3092\u691c\u51fa\u3057\u3001\u30eb\u30fc\u30eb \u30bb\u30c3\u30c8\u3092\u5f37\u5316\u3057\u3066\u3001\u624b\u52d5\u69cb\u6210\u3078\u306e\u4f9d\u5b58\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u9023\u643a\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u304c\u3055\u3089\u306b 1 \u3064\u5897\u3048\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30b5\u30fc\u30d0\u30fc\u3092\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u304b\u3089\u52b9\u679c\u7684\u306b\u5206\u96e2\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.us-cert.gov\/ncas\/tips\/ST04-004\" target=\"_new\" rel=\"noopener nofollow\">\u5bb6\u5ead\u3084\u5c0f\u898f\u6a21\u30aa\u30d5\u30a3\u30b9\u3067\u306e\u4f7f\u7528\u306b\u304a\u3051\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u7406\u89e3 \u2013 US-CERT<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/waf\/\" target=\"_new\" rel=\"noopener nofollow\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08WAF\uff09\u306e\u4fdd\u8b77\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u2013 Cloudflare<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Firewall_(computing)\" target=\"_new\" rel=\"noopener nofollow\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u2013 \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2<\/a><\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u304b\u3089\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30c7\u30a3\u30fc\u30d7 \u30d1\u30b1\u30c3\u30c8 \u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u691c\u8a3c\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5236\u5fa1\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u9ad8\u5ea6\u306a\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002AI \u3084 ML \u306a\u3069\u306e\u65b0\u8208\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u7d9a\u3051\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30c7\u30b8\u30bf\u30eb \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u4e0a\u3067\u3001\u307e\u3059\u307e\u3059\u4e0d\u53ef\u6b20\u306a\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>","protected":false},"featured_media":475652,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475891","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Application Firewall: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is an application firewall?","answer":"<p>An application firewall is a network security system that monitors and controls data packets as they travel to and from a software application or service. It scrutinizes each packet's content against a set of predefined rules or policies to detect malicious patterns or behaviors and blocks any potential threats.<\/p>"},{"question":"What was the origin and first mention of application firewalls?","answer":"<p>Application firewalls originated in the early 1990s as a response to increasing sophistication of network attacks with the growth of internet accessibility. The first explicit mention of the term 'application firewall' was in a 1994 academic paper titled \"Firewall-Friendly FTP\" published by the Internet Engineering Task Force (IETF).<\/p>"},{"question":"How does an application firewall work?","answer":"<p>An application firewall works by inspecting each data packet that flows in and out of an application, checking the packet's header and payload against a predefined rule set. It then either permits or blocks the packet based on this comparison. If a potential threat is detected, the firewall alerts the administrators and documents the incident for analysis.<\/p>"},{"question":"What are the key features of application firewalls?","answer":"<p>Key features of application firewalls include deep packet inspection, context-aware controls, customizable rules, advanced threat protection, and user authentication. These features allow the firewall to effectively safeguard applications against various threats.<\/p>"},{"question":"What types of application firewalls exist?","answer":"<p>Application firewalls can be broadly classified into two types: Proxy-Based and Reverse Proxy-Based. Proxy-Based firewalls act as intermediaries between the user and the application, inspecting the traffic flow. Reverse Proxy-Based firewalls handle requests from the internet and provide an additional layer of control and security.<\/p>"},{"question":"What are some challenges and solutions related to using application firewalls?","answer":"<p>One challenge of using application firewalls is the complex configuration due to the need for defining a detailed rule set. This can be mitigated by using automated rule-set configurations or employing dedicated security professionals. Another challenge is performance degradation as deep packet inspection can slow application performance. Solutions include using hardware acceleration or ensuring that the firewall is appropriately scaled to handle the application's traffic volume.<\/p>"},{"question":"How do application firewalls compare with other types of firewalls?","answer":"<p>Application firewalls operate at the application layer (Layer 7) of the Open Systems Interconnection (OSI) model, filtering traffic at the application level by examining data packet contents. On the other hand, network firewalls filter traffic at the network layer (Layer 3), regulating traffic based on IP addresses, ports, and protocols.<\/p>"},{"question":"How can proxy servers be used with application firewalls?","answer":"<p>Proxy servers and application firewalls can work together to enhance network security. A proxy server acts as an intermediary between a client and a server, handling requests and potentially filtering malicious traffic. When used in conjunction with an application firewall, a proxy server can provide an extra layer of security, effectively separating the application server from direct access.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/475891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/475891\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/475652"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=475891"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}