{"id":714,"date":"2025-11-21T22:02:05","date_gmt":"2025-11-21T13:02:05","guid":{"rendered":"https:\/\/f-pat.com\/topics\/?p=714"},"modified":"2025-11-21T22:32:45","modified_gmt":"2025-11-21T13:32:45","slug":"crsf%e5%af%be%e7%ad%96%e3%81%a7%e3%81%a4%e3%81%be%e3%81%9a%e3%81%8fweb%e6%8b%85%e5%bd%93%e8%80%85%e3%81%b8%e3%80%82%e5%ae%9f%e5%8b%99%e3%81%a7%e6%9c%ac%e5%bd%93%e3%81%ab%e5%bf%85%e8%a6%81%e3%81%aa","status":"publish","type":"post","link":"https:\/\/f-pat.com\/topics\/?p=714","title":{"rendered":"CRSF\u5bfe\u7b56\u3067\u3064\u307e\u305a\u304fWEB\u62c5\u5f53\u8005\u3078\u3002\u5b9f\u52d9\u3067\u672c\u5f53\u306b\u5fc5\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3060\u3051\u3092\u62bc\u3055\u3048\u308b\u5b89\u5168\u904b\u7528\u30ac\u30a4\u30c9"},"content":{"rendered":"
\n

CRSF\u306f\u306a\u305c\u5206\u304b\u308a\u3065\u3089\u3044\u306e\u304b<\/h2>\n

\"\"\u5c02\u9580\u7528\u8a9e\u304c\u591a\u3044\u3060\u3051\u3067\u3001\u672c\u8cea\u306f\u30b7\u30f3\u30d7\u30eb<\/p>\n

\u81ea\u793e\u306eWEB\u30b5\u30a4\u30c8\u3092\u5b89\u5168\u306b\u904b\u7528\u3057\u305f\u3044\u3002\u3051\u308c\u3069\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5206\u91ce\u306f\u3068\u306b\u304b\u304f\u96e3\u3057\u304f\u611f\u3058\u308b\u3002WEB\u62c5\u5f53\u3001\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u3001\u5e83\u5831\u62c5\u5f53\u306e\u65b9\u304b\u3089\u3088\u304f\u5c4a\u304f\u58f0\u3067\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u7279\u306b\u300cCRSF\u300d\u306f\u3001\u691c\u7d22\u3057\u3066\u3082\u5c02\u9580\u7528\u8a9e\u304c\u4e26\u3073\u3001\u653b\u6483\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u304b\u307f\u306b\u304f\u3044\u3068\u3044\u3046\u7406\u7531\u3067\u3001\u7406\u89e3\u3092\u5f8c\u56de\u3057\u306b\u3057\u304c\u3061\u306a\u30c6\u30fc\u30de\u3067\u3059\u3002<\/p>\n

CRSF\u3068\u306f\u300cCross Site Request Forgery\u300d\u306e\u7565\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u610f\u56f3\u3057\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3092\u3001\u5225\u306e\u30b5\u30a4\u30c8\u304b\u3089\u52dd\u624b\u306b\u884c\u308f\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u72b6\u614b\u3092\u60aa\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u8a2d\u5b9a\u5909\u66f4\u3084\u8cfc\u5165\u51e6\u7406\u304c\u52dd\u624b\u306b\u5b9f\u884c\u3055\u308c\u308b\u4e8b\u4f8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u96e3\u3057\u304f\u8003\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8981\u306f\u300c\u653b\u6483\u8005\u304c\u4f5c\u3063\u305f\u30da\u30fc\u30b8\u3092\u8e0f\u3080\u3060\u3051\u3067\u3001\u81ea\u793eWEB\u306e\u64cd\u4f5c\u3092\u3055\u308c\u3066\u3057\u307e\u3046\u300d\u554f\u984c\u3067\u3059\u3002\u3053\u306e\u653b\u6483\u306f\u30e6\u30fc\u30b6\u30fc\u5074\u306e\u64cd\u4f5c\u3067\u306f\u9632\u304e\u3065\u3089\u3044\u305f\u3081\u3001WEB\u30b5\u30a4\u30c8\u7ba1\u7406\u5074\u306e\u5bfe\u5fdc\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n

\n

CRSF\u304c\u8d77\u3053\u308b\u4ed5\u7d44\u307f<\/h2>\n

\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u3082\u6c17\u4ed8\u304b\u306a\u3044\u307e\u307e\u64cd\u4f5c\u3055\u308c\u308b\u306e\u304c\u554f\u984c<\/p>\n

CRSF\u306e\u5384\u4ecb\u306a\u70b9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u653b\u6483\u3092\u8a8d\u8b58\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u5916\u90e8\u30b5\u30a4\u30c8\u3092\u958b\u3044\u305f\u3060\u3051\u3067\u81ea\u52d5\u7684\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u3089\u308c\u3001\u81ea\u793e\u30b5\u30a4\u30c8\u3067\u306f\u6b63\u898f\u306e\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n

SNS\u3067\u8e0f\u3093\u3060\u30ea\u30f3\u30af\u3001\u5e83\u544a\u30d0\u30ca\u30fc\u3001\u57cb\u3081\u8fbc\u307f\u753b\u50cf\u3002\u307b\u3093\u306e\u5c0f\u3055\u306a\u884c\u52d5\u304b\u3089\u30c8\u30ea\u30ac\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u52d5\u304d\u3092\u5b8c\u5168\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u306a\u306e\u3067\u3001WEB\u30b5\u30a4\u30c8\u5074\u306b\u78ba\u5b9f\u306a\u4ed5\u7d44\u307f\u3092\u6301\u305f\u305b\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u3053\u3053\u304cCRSF\u5bfe\u7b56\u306e\u51fa\u767a\u70b9\u3067\u3059\u3002<\/p>\n<\/div>\n

\n

\u5b9f\u52d9\u3067\u6700\u91cd\u8981\u306e\u5bfe\u7b56<\/h2>\n

\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3092\u6b63\u3057\u304f\u904b\u7528\u3059\u308b<\/p>\n

CRSF\u5bfe\u7b56\u3067\u6700\u3082\u91cd\u8981\u306a\u306e\u306f\u300cCRSF\u30c8\u30fc\u30af\u30f3\u300d\u306e\u904b\u7528\u3067\u3059\u3002\u30da\u30fc\u30b8\u3054\u3068\u306b\u767a\u884c\u3055\u308c\u308b\u5c0f\u3055\u306a\u5408\u8a00\u8449\u306e\u3088\u3046\u306a\u5024\u3067\u3001\u6b63\u5f53\u306a\u753b\u9762\u304b\u3089\u64cd\u4f5c\u304c\u884c\u308f\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n

\u5b9f\u52d9\u3067\u91cd\u8996\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  • \u30c8\u30fc\u30af\u30f3\u3092\u5fc5\u305a\u30d5\u30a9\u30fc\u30e0\u306b\u57cb\u3081\u8fbc\u3080<\/li>\n
  • \u9001\u4fe1\u6642\u306b\u30c8\u30fc\u30af\u30f3\u3092\u691c\u8a3c\u3059\u308b<\/li>\n
  • \u30c8\u30fc\u30af\u30f3\u306f\u6bce\u56de\u767a\u884c\u3059\u308b<\/li>\n
  • \u81ea\u524d\u3067\u5b9f\u88c5\u3057\u3088\u3046\u3068\u305b\u305a\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u6a19\u6e96\u6a5f\u80fd\u3092\u4f7f\u3046<\/li>\n<\/ul>\n

    \u3068\u306b\u304b\u304f\u300c\u6a19\u6e96\u306e\u4ed5\u7d44\u307f\u306b\u4efb\u305b\u308b\u300d\u3053\u3068\u304c\u6700\u3082\u5b89\u5168\u3067\u3059\u3002\u72ec\u81ea\u5b9f\u88c5\u306f\u307b\u3093\u306e\u5c11\u3057\u306e\u6f0f\u308c\u3067\u7834\u7dbb\u3057\u307e\u3059\u3002\u5236\u4f5c\u4f1a\u793e\u306b\u4f9d\u983c\u3059\u308b\u5834\u5408\u3067\u3082\u300cCRSF\u30c8\u30fc\u30af\u30f3\u306e\u5bfe\u5fdc\u306f\u5165\u3063\u3066\u3044\u307e\u3059\u304b\u300d\u306e\u4e00\u8a00\u3067\u5927\u304d\u304f\u5b89\u5fc3\u611f\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n

    \n

    SameSite\u5c5e\u6027\u306e\u8a2d\u5b9a<\/h2>\n

    \u4eca\u65e5\u304b\u3089\u5bfe\u5fdc\u3067\u304d\u308b\u5373\u52b9\u65bd\u7b56<\/p>\n

    \u30af\u30c3\u30ad\u30fc\u306eSameSite\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u3001\u5916\u90e8\u30b5\u30a4\u30c8\u304b\u3089\u4e0d\u8981\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308a\u3065\u3089\u304f\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \u7279\u306b\u5b9f\u52d9\u3067\u306f\u6b21\u306e\u4e8c\u3064\u3092\u62bc\u3055\u3048\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n

      \n
    • SameSite=Lax\u3092\u57fa\u672c\u306b\u3059\u308b<\/li>\n
    • \u30bb\u30ad\u30e5\u30a2\u30af\u30c3\u30ad\u30fc\u3068\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3059\u308b<\/li>\n<\/ul>\n

      \u7ba1\u7406\u753b\u9762\u306e\u30ed\u30b0\u30a4\u30f3\u30af\u30c3\u30ad\u30fc\u306b\u9069\u7528\u3059\u308b\u3060\u3051\u3067\u3082\u52b9\u679c\u306f\u9ad8\u304f\u3001\u4f5c\u696d\u3082\u77ed\u6642\u9593\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002CRSF\u30c8\u30fc\u30af\u30f3\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u9632\u5fa1\u529b\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n

      \n

      \u5fd8\u308c\u3089\u308c\u304c\u3061\u306a\u300c\u904b\u7528\u30d5\u30ed\u30fc\u3078\u306e\u7d44\u307f\u8fbc\u307f\u300d<\/h2>\n

      \u65b0\u3057\u3044\u30da\u30fc\u30b8\u3084\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u629c\u3051\u6f0f\u308c\u304c\u51fa\u3084\u3059\u3044<\/p>\n

      CRSF\u5bfe\u7b56\u306f\u4e00\u5ea6\u8a2d\u5b9a\u3057\u3066\u7d42\u308f\u308a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

      \u7279\u306b\u6ce8\u610f\u3059\u3079\u304d\u306a\u306e\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3059\u3002<\/p>\n

        \n
      • \u65b0\u3057\u3044\u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0\u3057\u305f\u6642<\/li>\n
      • \u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u7279\u8a2d\u30da\u30fc\u30b8\u3092\u4f5c\u308b\u6642<\/li>\n
      • \u5916\u90e8\u306e\u5236\u4f5c\u4f1a\u793e\u306b\u4f9d\u983c\u3057\u305f\u6642<\/li>\n
      • \u5e83\u5831\u62c5\u5f53\u304c\u66f4\u65b0\u3092\u62c5\u5f53\u3059\u308b\u6642<\/li>\n<\/ul>\n

        \u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3073\u306b\u30c8\u30fc\u30af\u30f3\u51e6\u7406\u306e\u6709\u7121\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3001\u4e8b\u6545\u306e\u307b\u3068\u3093\u3069\u306f\u9632\u3052\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u5316\u3057\u3066\u904b\u7528\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n

        \n

        WEB\u62c5\u5f53\u8005\u304c\u672c\u5f53\u306b\u62bc\u3055\u3048\u308b\u3079\u304d3\u3064\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n

        \u8907\u96d1\u306b\u898b\u3048\u3066\u3082\u3084\u308b\u3053\u3068\u306f\u660e\u78ba<\/p>\n

        CRSF\u306f\u4ed5\u7d44\u307f\u3053\u305d\u8033\u6163\u308c\u307e\u305b\u3093\u304c\u3001\u5bfe\u7b56\u306f\u5b9f\u52d9\u306b\u843d\u3068\u3057\u8fbc\u307f\u3084\u3059\u3044\u5206\u91ce\u3067\u3059\u3002<\/p>\n

        \u6700\u7d42\u7684\u306b\u62bc\u3055\u3048\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\u6b21\u306e\u4e09\u3064\u3067\u3059\u3002<\/p>\n

          \n
        • CRSF\u30c8\u30fc\u30af\u30f3\u3092\u6b63\u3057\u304f\u904b\u7528\u3059\u308b<\/li>\n
        • SameSite\u5c5e\u6027\u3067\u30af\u30c3\u30ad\u30fc\u3092\u4fdd\u8b77\u3059\u308b<\/li>\n
        • \u30da\u30fc\u30b8\u8ffd\u52a0\u3084\u66f4\u65b0\u6642\u306b\u5fc5\u305a\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/li>\n<\/ul>\n

          \u3053\u306e\u4e09\u3064\u3092\u5b88\u308c\u3070\u3001\u81ea\u793eWEB\u306e\u5b89\u5168\u6027\u306f\u5927\u304d\u304f\u5f37\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n

          \n

          \u4e0d\u5b89\u3092\u62b1\u3048\u308b\u5fc5\u8981\u306f\u306a\u3044<\/h2>\n

          \"\"\u5c0f\u3055\u306a\u4e00\u6b69\u3067\u3082\u78ba\u5b9f\u306b\u5b89\u5168\u6027\u306f\u9ad8\u307e\u308b<\/p>\n

          \u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u5c02\u9580\u5bb6\u3060\u3051\u306e\u9818\u57df\u300d\u3068\u611f\u3058\u3066\u3044\u308b\u65b9\u3067\u3082\u3001CRSF\u5bfe\u7b56\u306f\u3059\u3050\u306b\u53d6\u308a\u7d44\u3081\u307e\u3059\u3002\u4eca\u65e5\u59cb\u3081\u3066\u3082\u5341\u5206\u52b9\u679c\u304c\u3042\u308a\u3001\u305d\u306e\u7a4d\u307f\u91cd\u306d\u304c\u30e6\u30fc\u30b6\u30fc\u3092\u5b88\u308a\u3001\u4f01\u696d\u306e\u4fe1\u983c\u3092\u80b2\u3066\u307e\u3059\u3002<\/p>\n

          \u8ff7\u3063\u305f\u3089\u307e\u305a\u4e00\u3064\u8a2d\u5b9a\u3092\u5165\u308c\u3066\u307f\u308b\u3002\u6b21\u306b\u904b\u7528\u3078\u7d44\u307f\u8fbc\u3080\u3002\u305d\u306e\u7e70\u308a\u8fd4\u3057\u3067\u3001CRSF\u306b\u5f37\u3044WEB\u30b5\u30a4\u30c8\u3078\u8fd1\u3065\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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