{"id":12748,"date":"2026-05-05T15:43:30","date_gmt":"2026-05-05T07:43:30","guid":{"rendered":"https:\/\/www.cloudbypass.com\/tutorial\/?p=12748"},"modified":"2026-05-05T16:39:59","modified_gmt":"2026-05-05T08:39:59","slug":"cloudflare-challenge-loop-diagnosis","status":"publish","type":"post","link":"https:\/\/www.cloudbypass.com\/tutorial\/12748.html","title":{"rendered":"Cloudflare \u9a8c\u8bc1\u4e00\u76f4\u5faa\u73af\uff1a\u4f1a\u8bdd\u3001\u6d4f\u89c8\u5668\u73af\u5883\u4e0e IP \u98ce\u63a7\u6392\u67e5\u987a\u5e8f"},"content":{"rendered":"<p><figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1659\" height=\"948\" src=\"https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop.png\" alt=\"Cloudflare \u9a8c\u8bc1\u5faa\u73af\u6392\u67e5\u793a\u610f\u56fe\uff0c\u5305\u542b\u4f1a\u8bdd Cookie\u3001\u6d4f\u89c8\u5668\u6307\u7eb9\u3001\u7f51\u7edc\u8282\u70b9\u4e0e WAF \u9632\u62a4\u5143\u7d20\" class=\"wp-image-12751\" title=\"\" srcset=\"https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop.png 1659w, https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop-300x171.png 300w, https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop-1024x585.png 1024w, https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop-768x439.png 768w, https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2026\/05\/featured-cloudflare-challenge-loop-1536x878.png 1536w\" sizes=\"auto, (max-width: 1659px) 100vw, 1659px\" \/><\/figure><\/p>\n<p>Cloudflare \u9a8c\u8bc1\u4e00\u76f4\u5faa\u73af\uff0c\u5148\u6309\u8fd9\u4e2a\u987a\u5e8f\u6392\uff1a\u73b0\u8c61\u5206\u7c7b \u2192 \u4f1a\u8bdd\u72b6\u6001 \u2192 \u6d4f\u89c8\u5668\u73af\u5883 \u2192 \u8bf7\u6c42\u94fe\u8def \u2192 IP 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IP\uff0c\u4e5f\u4e0d\u8981\u5148\u52a0\u811a\u672c\u8865\u4e01\u3002\u591a\u6570\u5faa\u73af\u9a8c\u8bc1\u4e0d\u662f\u5355\u70b9\u6545\u969c\uff0c\u800c\u662f\u901a\u8fc7\u9a8c\u8bc1\u540e\u7684\u72b6\u6001\u6ca1\u6709\u5ef6\u7eed\uff0c\u6216\u8005\u4e0b\u4e00\u6b21\u8bf7\u6c42\u5728\u76ee\u6807\u7ad9\u770b\u6765\u5df2\u7ecf\u6362\u4e86\u8bbf\u95ee\u8eab\u4efd\u3002<\/p>\n<p>\u5feb\u901f\u5224\u65ad\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a\u771f\u4eba\u6d4f\u89c8\u5668\u7a33\u5b9a\u3001\u81ea\u52a8\u5316\u6d4f\u89c8\u5668\u5faa\u73af\uff0c\u4f18\u5148\u67e5\u6d4f\u89c8\u5668\u73af\u5883\u548c\u4f1a\u8bdd\u4fdd\u6301\uff1b\u540c\u4e00\u73af\u5883\u4e0b\u6362\u51fa\u53e3\u540e\u5dee\u5f02\u660e\u663e\uff0c\u518d\u67e5\u4ee3\u7406\u8d28\u91cf\u3001\u5730\u533a\u3001ASN\u3001\u9891\u7387\u548c\u76ee\u6807\u7ad9\u89c4\u5219\u3002<\/p>\n<h2>\u5148\u5206\u6e05\uff1a\u9a8c\u8bc1\u5faa\u73af\u3001403\/503\uff0c\u8fd8\u662f\u63a5\u53e3\u5931\u8d25<\/h2>\n<p>\u5148\u628a\u73b0\u8c61\u62c6\u5f00\uff0c\u5426\u5219\u540e\u9762\u5f88\u5bb9\u6613\u4fee\u9519\u65b9\u5411\u3002\u8bb0\u5f55\u4e09\u4ef6\u4e8b\uff1a<\/p>\n<ul><li>\u9875\u9762\u662f\u5426\u53cd\u590d\u51fa\u73b0 Cloudflare Challenge\u3001Managed Challenge\u3001Turnstile \u6216 \u201cJust a moment\u201d \u4e2d\u95f4\u9875\u3002<\/li><li>HTTP \u72b6\u6001\u7801\u662f 200 \u4f46\u5185\u5bb9\u4ecd\u662f Challenge\uff0c\u8fd8\u662f\u76f4\u63a5\u8fd4\u56de 403\u3001503\u3001429\u3002<\/li><li>\u901a\u8fc7\u4e00\u6b21\u9a8c\u8bc1\u540e\uff0c\u662f\u4e0b\u4e00\u6b21\u9875\u9762\u8bbf\u95ee\u53c8\u56de\u5230\u9a8c\u8bc1\u9875\uff0c\u8fd8\u662f\u67d0\u4e2a\u63a5\u53e3\u3001\u5b50\u8d44\u6e90\u3001\u8df3\u8f6c\u9875\u5931\u8d25\u3002<\/li><\/ul>\n<p>\u5982\u679c\u72b6\u6001\u7801\u662f 200\uff0c\u4f46 HTML \u4ecd\u662f Challenge \u9875\u9762\uff0c\u5148\u770b JS \u662f\u5426\u6267\u884c\u5b8c\u6210\u3001cookie \u662f\u5426\u5199\u5165\u3001\u540e\u7eed\u8bf7\u6c42\u662f\u5426\u7ee7\u7eed\u4f7f\u7528\u540c\u4e00\u4f1a\u8bdd\u3002Cloudflare \u5b98\u65b9 Challenge \u6392\u969c\u6587\u6863\u4e5f\u4f1a\u628a\u6d4f\u89c8\u5668\u517c\u5bb9\u3001\u7f51\u7edc\u3001\u811a\u672c\u4e0e\u914d\u7f6e\u5206\u5f00\u5904\u7406\uff0c\u800c\u4e0d\u662f\u628a\u6240\u6709\u95ee\u9898\u90fd\u5f52\u5230 IP\u3002<\/p>\n<p>\u5982\u679c\u8fd4\u56de 403 \u6216 503\uff0c\u5148\u786e\u8ba4\u5b83\u6765\u81ea Cloudflare\/WAF \u8fd8\u662f\u76ee\u6807\u7ad9\u5e94\u7528\u3002\u4fdd\u5b58\u54cd\u5e94\u5934\u3001\u9875\u9762\u6807\u9898\u3001\u54cd\u5e94\u4f53\u524d 500 \u5b57\u7b26\u3001<code>cf-ray<\/code>\u3001<code>server<\/code> \u548c\u91cd\u5b9a\u5411\u94fe\uff0c\u518d\u8fdb\u5165\u4e0b\u4e00\u5c42\u3002<\/p>\n<h2>\u7b2c\u4e00\u5c42\uff1a\u4f1a\u8bdd\u548c cf_clearance \u6709\u6ca1\u6709\u4fdd\u4f4f<\/h2>\n<p>\u901a\u8fc7 Cloudflare Challenge \u540e\uff0c\u8bbf\u95ee\u72b6\u6001\u901a\u5e38\u4f9d\u8d56\u6d4f\u89c8\u5668\u4f1a\u8bdd\u548c cookie\uff0c\u4f8b\u5982 <code>cf_clearance<\/code>\u3002Cloudflare \u7684 Challenge Passage 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\u662f\u5426\u88ab\u57df\u540d\u3001\u8def\u5f84\u3001SameSite\u3001\u8fc7\u671f\u65f6\u95f4\u9650\u5236\u5f71\u54cd\u3002<\/li><li>\u51fa\u53e3 IP\u3001UA\u3001\u8bed\u8a00\u3001\u65f6\u533a\u3001TLS \u6307\u7eb9\u662f\u5426\u5728\u540c\u4e00\u4e2a\u4f1a\u8bdd\u91cc\u9891\u7e41\u53d8\u5316\u3002<\/li><\/ol>\n<p>\u4e0d\u8981\u53ea\u590d\u5236\u4e00\u6b21 cookie \u5230\u53e6\u4e00\u4e2a\u811a\u672c\u73af\u5883\u91cc\u7ee7\u7eed\u8bf7\u6c42\u3002\u76ee\u6807\u7ad9\u770b\u5230\u7684\u4e0d\u53ea\u662f cookie\uff0c\u8fd8\u5305\u62ec\u6d4f\u89c8\u5668\u73af\u5883\u3001\u8bf7\u6c42\u94fe\u8def\u548c\u7f51\u7edc\u7279\u5f81\u3002cookie \u662f\u72b6\u6001\u7684\u4e00\u90e8\u5206\uff0c\u4e0d\u662f\u5b8c\u6574\u8eab\u4efd\u3002<\/p>\n<p>\u4e00\u4e2a\u4f4e\u6210\u672c\u5224\u65ad\uff1a\u540c\u4e00\u4e2a\u771f\u4eba\u6d4f\u89c8\u5668 profile \u8fde\u7eed\u8bbf\u95ee 3 \u5230 5 \u6b21\u3002\u5982\u679c\u4e0d\u5faa\u73af\uff0c\u518d\u7528\u6301\u4e45\u5316 profile \u8dd1\u81ea\u52a8\u5316\u6d4f\u89c8\u5668\u3002\u5982\u679c\u771f\u4eba\u7a33\u5b9a\u3001\u81ea\u52a8\u5316\u4e0d\u7a33\u5b9a\uff0c\u4f18\u5148\u67e5\u6d4f\u89c8\u5668\u73af\u5883\uff1b\u5982\u679c\u771f\u4eba\u6d4f\u89c8\u5668\u4e5f\u5faa\u73af\uff0c\u518d\u67e5\u7f51\u7edc\u3001\u6269\u5c55\u3001\u811a\u672c\u52a0\u8f7d\u6216\u76ee\u6807\u7ad9\u89c4\u5219\u53d8\u5316\u3002<\/p>\n<h2>\u7b2c\u4e8c\u5c42\uff1a\u6d4f\u89c8\u5668\u73af\u5883\u548c JS \u6267\u884c\u662f\u5426\u5b8c\u6574<\/h2>\n<p>Cloudflare \u9a8c\u8bc1\u4f9d\u8d56\u6d4f\u89c8\u5668\u4fa7\u6267\u884c\u3002\u81ea\u52a8\u5316\u73af\u5883\u91cc\u7f3a\u4e00\u4e2a\u5173\u952e\u80fd\u529b\uff0c\u5c31\u53ef\u80fd\u51fa\u73b0\u201c\u9875\u9762\u80fd\u6253\u5f00\uff0c\u4f46\u4e00\u76f4\u56de\u5230\u9a8c\u8bc1\u9875\u201d\u3002<\/p>\n<p>\u91cd\u70b9\u68c0\u67e5\uff1a<\/p>\n<ul><li>\u662f\u5426\u4f7f\u7528\u8fc7\u65e7 Chromium\u3001\u88c1\u526a\u7248\u6d4f\u89c8\u5668\u6216\u4e0d\u5b8c\u6574\u8fd0\u884c\u73af\u5883\u3002<\/li><li>\u662f\u5426\u7981\u7528\u4e86 JavaScript\u3001WebAssembly\u3001Canvas\u3001\u5b57\u4f53\u3001\u5b58\u50a8\u3001\u7b2c\u4e09\u65b9\u811a\u672c\u6216\u5fc5\u8981\u5b50\u8d44\u6e90\u3002<\/li><li>Headed \u4e0e headless \u6a21\u5f0f\u8868\u73b0\u662f\u5426\u4e00\u81f4\u3002<\/li><li>UA\u3001\u8bed\u8a00\u3001\u65f6\u533a\u3001\u5c4f\u5e55\u5c3a\u5bf8\u3001\u5e73\u53f0\u5b57\u6bb5\u662f\u5426\u548c\u771f\u5b9e\u6d4f\u89c8\u5668\u884c\u4e3a\u51b2\u7a81\u3002<\/li><li>\u662f\u5426\u62e6\u622a\u4e86 Cloudflare \u76f8\u5173\u811a\u672c\u3001\u6311\u6218 iframe\u3001Turnstile \u8d44\u6e90\u6216\u9a8c\u8bc1\u56de\u8c03\u3002<\/li><li>Playwright\u3001Puppeteer\u3001Selenium \u7684 context \u662f\u5426\u6bcf\u6b21\u91cd\u5efa\uff0c\u5bfc\u81f4\u9a8c\u8bc1\u72b6\u6001\u65e0\u6cd5\u5ef6\u7eed\u3002<\/li><\/ul>\n<p>\u5efa\u8bae\u505a\u4e09\u7ec4\u5bf9\u7167\uff1a\u540c\u4e00\u53f0\u673a\u5668\u3001\u540c\u4e00\u51fa\u53e3\u3001\u540c\u4e00\u76ee\u6807 URL\uff0c\u5206\u522b\u7528\u666e\u901a\u6d4f\u89c8\u5668\u3001headed \u81ea\u52a8\u5316\u6d4f\u89c8\u5668\u3001headless \u81ea\u52a8\u5316\u6d4f\u89c8\u5668\u8bbf\u95ee\u3002\u666e\u901a\u6d4f\u89c8\u5668\u6b63\u5e38\u3001headed \u6b63\u5e38\u3001headless \u5faa\u73af\u65f6\uff0c\u4e0d\u5e94\u5148\u5f52\u56e0\u5230\u4ee3\u7406\u3002headed \u548c headless \u90fd\u5faa\u73af\u65f6\uff0c\u518d\u6bd4\u5bf9 cookie\u3001\u811a\u672c\u52a0\u8f7d\u3001\u63a7\u5236\u53f0\u9519\u8bef\u548c\u7f51\u7edc\u8bf7\u6c42\u3002<\/p>\n<p>\u53ea\u770b\u622a\u56fe\u4e0d\u591f\u3002\u66f4\u6709\u7528\u7684\u662f\u63a7\u5236\u53f0\u9519\u8bef\u3001Network \u91cc\u88ab\u62e6\u622a\u6216\u8d85\u65f6\u7684\u811a\u672c\u3001Challenge \u63d0\u4ea4\u540e\u7684\u8df3\u8f6c\u94fe\u3001\u6700\u7ec8\u843d\u5730\u9875 HTML\u3002\u5f88\u591a\u5faa\u73af\u9a8c\u8bc1\u5361\u5728\u201c\u9a8c\u8bc1\u63d0\u4ea4\u540e\u7684\u72b6\u6001\u6ca1\u6709\u88ab\u63a5\u53d7\u201d\uff0c\u4e0d\u662f\u7b2c\u4e00\u9875\u6253\u4e0d\u5f00\u3002<\/p>\n<h2>\u7b2c\u4e09\u5c42\uff1a\u8bf7\u6c42\u94fe\u8def\u6709\u6ca1\u6709\u62c6\u6210\u591a\u4e2a\u8eab\u4efd<\/h2>\n<p>\u91c7\u96c6\u6216\u81ea\u52a8\u5316\u7cfb\u7edf\u5e38\u628a\u4e00\u6b21\u9875\u9762\u8bbf\u95ee\u62c6\u6210\u591a\u4e2a\u73af\u8282\uff1a\u6d4f\u89c8\u5668\u6253\u5f00\u9996\u9875\u3001\u811a\u672c\u8bf7\u6c42\u63a5\u53e3\u3001\u4ee3\u7406\u5c42\u8f6c\u53d1\u3001\u4e0b\u8f7d JS 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