{"id":34275,"date":"2026-11-05T12:00:00","date_gmt":"2026-11-05T04:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=34275"},"modified":"2026-11-06T20:56:39","modified_gmt":"2026-11-06T12:56:39","slug":"referer-url-origin-fetch-bandwidth","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/referer-url-origin-fetch-bandwidth\/","title":{"rendered":"\u56fe\u7247\u9632\u76d7\u94fe\u4e0e\u56fe\u7247\u5206\u6d41\uff1aReferer \u89c4\u5219\u3001\u7b7e\u540d URL \u4e0e\u56de\u6e90\u5e26\u5bbd\u63a7\u5236"},"content":{"rendered":"

\u56fe\u7247\u88ab\u76d7\u94fe\u662f\u4e2d\u5c0f\u7ad9\u70b9\u6700\u5e38\u89c1\u3001\u4e5f\u6700\u96be\u7b2c\u4e00\u65f6\u95f4\u53d1\u73b0\u7684\u6210\u672c\u9ed1\u6d1e\u3002\u5f88\u591a\u7ad9\u957f\u662f\u8d26\u5355\u7a81\u7136\u7ffb\u500d\u65f6\u624d\u56de\u5934\u67e5\u65e5\u5fd7\uff0c\u53d1\u73b0\u4e3b\u7ad9\u6bcf\u5929\u51e0\u4e07\u6b21\u56fe\u7247\u8bf7\u6c42\u91cc\u6709\u76f8\u5f53\u4e00\u90e8\u5206\u6765\u81ea\u522b\u4eba\u7684\u9875\u9762\u3002\u8fd9\u7bc7\u6307\u5357\u8bb2\u6e05\u4e09\u4ef6\u4e8b\uff1a\u5982\u4f55\u7528 Referer \u89c4\u5219\u62e6\u4f4f\u7ad9\u5916\u5f15\u7528\uff0c\u5982\u4f55\u7528\u7b7e\u540d URL \u9650\u5236\u5355\u5f20\u56fe\u7247\u7684\u6709\u6548\u671f\u9650\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u72ec\u7acb\u56fe\u7247\u57df\u540d\u628a\u56fe\u7247\u6d41\u91cf\u4ece\u4e3b\u7ad9\u5206\u6d41\u51fa\u53bb\uff0c\u8ba9\u56de\u6e90\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u4e0d\u518d\u88ab\u65e0\u8c13\u5730\u6253\u6ee1\u3002<\/p>\n

\u4e0b\u9762\u6309”\u5148\u62e6\u3001\u518d\u9650\u3001\u540e\u5206\u6d41”\u5c55\u5f00\uff0c\u6bcf\u4e00\u6b65\u90fd\u7ed9\u51fa\u53ef\u76f4\u63a5\u5957\u7528\u7684 Nginx \u914d\u7f6e\u548c\u9a8c\u8bc1\u547d\u4ee4\u3002<\/p>\n

\"\u56fe\u7247\u9632\u76d7\u94fe\u4e0e\u56fe\u7247\u5206\u6d41\u7684\u6574\u4f53\u5173\u7cfb\uff1a\u7ad9\u5916\u5f15\u7528\u88ab\u62e6\u622a\uff0c\u7ad9\u5185\u8bf7\u6c42\u7ecf\u56fe\u7247\u57df\u540d\u5206\u53d1\u5230\u6e90\u7ad9\"<\/p>\n

\u56fe\u7247\u9632\u76d7\u94fe\u771f\u6b63\u8981\u89e3\u51b3\u7684\u662f\u4e09\u7b14\u8d26<\/h2>\n

\u56fe\u7247\u9632\u76d7\u94fe\u7684\u6838\u5fc3\u4e0d\u662f”\u7981\u6b62\u522b\u4eba\u770b\u6211\u56fe”\uff0c\u800c\u662f\u8ba9\u56fe\u7247\u8bf7\u6c42\u53ea\u670d\u52a1\u771f\u5b9e\u8bbf\u5ba2\u3002\u5224\u65ad\u4e00\u4e2a\u7ad9\u70b9\u662f\u5426\u88ab\u5927\u89c4\u6a21\u76d7\u94fe\uff0c\u770b\u4e09\u4e2a\u6307\u6807\u5c31\u591f\u4e86\uff1a\u56fe\u7247\u51fa\u5411\u6d41\u91cf\u5360\u6708\u5ea6\u603b\u989d\u7684\u6bd4\u4f8b\u3001\u56fe\u7247\u76ee\u5f55\u7684\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u4ee5\u53ca\u6e90\u7ad9\u51fa\u53e3\u5e26\u5bbd\u7684\u5cf0\u503c\u66f2\u7ebf\u3002<\/p>\n

\u4e3e\u4e2a\u5177\u4f53\u7684\u91cf\u7ea7\u3002\u4e00\u5f20 200 KB \u7684\u5546\u54c1\u56fe\u88ab\u4e94\u4e2a\u540c\u884c\u52a8\u6001\u5f15\u7528\uff0c\u6bcf\u4e2a\u7ad9\u70b9\u6bcf\u5929\u5c55\u793a\u4e24\u4e07\u6b21\uff0c\u5c31\u662f\u4e00\u767e\u4e07\u6b21\u989d\u5916\u7684\u56fe\u7247\u8bf7\u6c42\uff0c\u6298\u7b97\u7ea6 190 GB \u6708\u5ea6\u51fa\u5411\u6d41\u91cf\u3002\u9759\u6001\u56fe\u7247\u7531 Web \u670d\u52a1\u5668\u76f4\u63a5\u8bfb\u76d8\u8fd4\u56de\uff0cCPU \u538b\u529b\u5176\u5b9e\u4e0d\u5927\uff0c\u4f46\u78c1\u76d8 IOPS\u3001\u5e76\u53d1\u8fde\u63a5\u548c\u51fa\u53e3\u5e26\u5bbd\u4f1a\u88ab\u540c\u65f6\u5360\u8d70\uff1b\u4e00\u65e6\u51fa\u53e3\u8dd1\u6ee1\uff0c\u6b63\u5e38\u8bbf\u5ba2\u7684\u9996\u5c4f\u5c31\u4f1a\u4ece 1 \u79d2\u53d8\u6210 4 \u79d2\u4ee5\u4e0a\uff0c\u8fd9\u4e2a\u635f\u5931\u6bd4\u5e26\u5bbd\u8d39\u7528\u66f4\u96be\u633d\u56de\u3002<\/p>\n

\u6240\u4ee5\u5904\u7406\u987a\u5e8f\u5e94\u8be5\u662f\uff1a\u5148\u628a\u660e\u786e\u7684\u7ad9\u5916\u5f15\u7528\u62e6\u6389\uff08\u6210\u672c\u6700\u4f4e\u3001\u89c1\u6548\u6700\u5feb\uff09\uff0c\u518d\u7ed9\u9700\u8981\u6388\u6743\u7684\u56fe\u7247\u52a0\u4e0a\u65f6\u6548\u7b7e\u540d\uff0c\u6700\u540e\u624d\u8c08\u57df\u540d\u5206\u6d41\u548c\u9650\u901f\u3002\u53cd\u8fc7\u6765\u7684\u987a\u5e8f\u4f1a\u8ba9\u914d\u7f6e\u8d8a\u53e0\u8d8a\u590d\u6742\uff0c\u8fd8\u5bb9\u6613\u8bef\u4f24\u771f\u5b9e\u7528\u6237\u3002<\/p>\n

Referer \u89c4\u5219\uff1a\u5148\u5b9a\u767d\u540d\u5355\uff0c\u518d\u51b3\u5b9a\u62e6\u8fd8\u662f\u653e<\/h2>\n

Referer \u662f\u6d4f\u89c8\u5668\u8bf7\u6c42\u56fe\u7247\u65f6\u9644\u5e26\u7684\u6765\u6e90\u9875\u5730\u5740\uff0c\u6210\u672c\u6700\u4f4e\u3002\u5b83\u7684\u95ee\u9898\u4e5f\u5f88\u660e\u663e\uff1a\u5934\u90e8\u53ef\u4ee5\u88ab\u5ba2\u6237\u7aef\u6539\u5199\uff0c\u811a\u672c\u8bf7\u6c42\u53ef\u4ee5\u5b8c\u5168\u4e0d\u5e26\u3002\u6240\u4ee5\u5b83\u53ea\u80fd\u6321\u4f4f 90% \u987a\u624b\u5f15\u7528\u7684\u4eba\uff0c\u4e0d\u7b97\u5b89\u5168\u8fb9\u754c\uff0c\u771f\u8981\u9632\u6279\u91cf\u6293\u53d6\u8fd8\u5f97\u9760\u7b7e\u540d URL\u3002<\/p>\n

\u914d\u7f6e\u4e0a\u5efa\u8bae\u7528 map<\/code> \u628a\u5224\u65ad\u903b\u8f91\u4ece location<\/code> \u91cc\u62c6\u51fa\u6765\uff0c\u6bd4\u5806\u591a\u5c42 if<\/code> \u66f4\u597d\u7ef4\u62a4\uff0c\u4e5f\u66f4\u5c11\u8e29 Nginx \u7684 if \u5d4c\u5957\u5751\uff1a<\/p>\n

map $http_referer $hotlink_block {\n    default                              1;\n    ""                                   0;\n    "~^https?:\/\/(www\\.)?example\\.com\/"  0;\n    "~^https?:\/\/img\\.example\\.com\/"     0;\n}\n\nserver {\n    listen 443 ssl;\n    server_name example.com;\n\n    location ~* \\.(jpe?g|png|webp|gif|svg)$ {\n        if ($hotlink_block) { return 403; }\n        expires 30d;\n        add_header Cache-Control "public, max-age=2592000";\n    }\n}\n<\/code><\/pre>\n
\u6b63\u5219\u5fc5\u987b\u7528 ^<\/code> \u951a\u5b9a\u3002\u5199\u6210 ~example.com<\/code> \u65f6\uff0cevil-example.com<\/code>\u3001example.com.attacker.net<\/code> \u90fd\u4f1a\u547d\u4e2d\u767d\u540d\u5355\uff0c\u8fd9\u662f\u6392\u969c\u91cc\u6700\u5e38\u89c1\u7684\u6f0f\u914d\u3002\u7a7a Referer \u662f\u5426\u653e\u884c\u8981\u6309\u4e1a\u52a1\u5b9a\uff1a\u76f4\u63a5\u653e\u884c\u4f1a\u88ab\u811a\u672c\u7ed5\u8fc7\uff0c\u5168\u90e8\u62e6\u622a\u53c8\u4f1a\u8ba9\u90e8\u5206\u5fae\u4fe1\u6216 App \u5185\u5d4c\u6d4f\u89c8\u5668\u7684\u9996\u5c4f\u56fe\u7247\u88c2\u56fe\uff0c\u6298\u4e2d\u505a\u6cd5\u662f\u653e\u884c\u7a7a Referer\uff0c\u8ba9\u7b7e\u540d URL \u627f\u62c5\u9632\u6293\u53d6\u804c\u8d23\u3002<\/p>\n
\u6539\u5b8c\u7acb\u523b\u7528\u4e24\u6761\u547d\u4ee4\u9a8c\u8bc1\u4e24\u4e2a\u65b9\u5411\uff0c\u4e0d\u8981\u53ea\u770b\u6d4f\u89c8\u5668\uff1a<\/p>\n
curl -s -o \/dev\/null -w "%{http_code}\\n" -e "https:\/\/other-site.com\/" https:\/\/example.com\/uploads\/demo.webp\ncurl -s -o \/dev\/null -w "%{http_code}\\n" -e "https:\/\/example.com\/"   https:\/\/example.com\/uploads\/demo.webp\n<\/code><\/pre>\n
\u7b2c\u4e00\u6761\u671f\u671b 403\uff0c\u7b2c\u4e8c\u6761\u671f\u671b 200\uff1b\u82e5\u4e24\u6761\u90fd\u8fd4\u56de 200\uff0c\u901a\u5e38\u662f\u89c4\u5219\u5199\u5728\u4e86\u9519\u8bef\u7684 location<\/code> \u91cc\u3002<\/p>\n
\u8fd8\u6709\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u70b9\uff1a\u53ea\u914d\u6e90\u7ad9\u662f\u6ca1\u7528\u7684\u3002\u8bf7\u6c42\u5982\u679c\u547d\u4e2d CDN \u7f13\u5b58\uff0c\u6839\u672c\u4e0d\u4f1a\u5230\u6e90\u7ad9\uff0c\u9632\u76d7\u94fe\u89c4\u5219\u7b49\u4e8e\u4e0d\u5b58\u5728\u3002CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4e00\u4fa7\u8981\u540c\u6b65\u914d\u7f6e\u56de\u6e90 Referer \u6821\u9a8c\u6216\u8fb9\u7f18\u9274\u6743\uff0c\u5177\u4f53\u505a\u6cd5\u53ef\u4ee5\u53c2\u8003\u7ad9\u5185\u8fd9\u7bc7CDN \u56de\u6e90\u7b56\u7565\u4e0e\u7f13\u5b58\u89c4\u5219\u8bbe\u8ba1<\/a>\u7684\u601d\u8def\uff0c\u628a\u8fb9\u7f18\u5224\u65ad\u548c\u6e90\u7ad9\u5224\u65ad\u5f53\u6210\u4e24\u5c42\u9632\u7ebf\u6765\u8bbe\u8ba1\u3002<\/p>\n
\"\u540c\u4e00\u5f20\u56fe\u7247\u5728\u7ad9\u5185\u9875\u9762\u6b63\u5e38\u663e\u793a\uff0c\u5728\u7ad9\u5916\u9875\u9762\u88ab\u62d2\u7edd\u8fd4\u56de\u7684\u5bf9\u6bd4\"<\/p>\n
\u7b7e\u540d URL\uff1a\u628a”\u80fd\u8bbf\u95ee”\u53d8\u6210”\u9650\u65f6\u53ef\u8bbf\u95ee”<\/h2>\n
\u5f53\u56fe\u7247\u672c\u8eab\u5e26\u6709\u5546\u4e1a\u4ef7\u503c\u2014\u2014\u4f1a\u5458\u7d20\u6750\u3001\u4ed8\u8d39\u56fe\u7eb8\u3001\u8ba2\u5355\u9644\u4ef6\u3001\u9650\u65f6\u6d3b\u52a8\u56fe\u2014\u2014Referer \u5c31\u4e0d\u591f\u4e86\uff0c\u4f60\u9700\u8981\u8ba9\u6bcf\u4e2a URL \u81ea\u5e26\u6709\u6548\u671f\u548c\u7b7e\u540d\u3002\u601d\u8def\u662f\uff1a\u670d\u52a1\u7aef\u7528\u5bc6\u94a5\u5bf9”\u8fc7\u671f\u65f6\u95f4 + \u8def\u5f84”\u505a HMAC \u6458\u8981\uff0c\u5ba2\u6237\u7aef\u62ff\u5230\u7684\u94fe\u63a5\u53ea\u80fd\u5728\u8bbe\u5b9a\u65f6\u95f4\u5185\u4f7f\u7528\uff0c\u8fc7\u671f\u540e\u8fd4\u56de 410\u3002<\/p>\n
\u751f\u6210\u7aef\uff08Python\uff09\u53ef\u4ee5\u8fd9\u6837\u5199\uff0c\u6ce8\u610f\u7b7e\u540d\u539f\u6587\u7684\u987a\u5e8f\u8981\u548c Nginx \u4fa7\u5b8c\u5168\u4e00\u81f4\uff1a<\/p>\n
import hmac, hashlib, time\n\ndef sign(path: str, secret: str, ttl: int = 600) -> str:\n    exp = int(time.time()) + ttl\n    msg = f"{exp}{path}".encode()\n    sig = hmac.new(secret.encode(), msg, hashlib.sha256).hexdigest()[:16]\n    return f"{path}?exp={exp}&sig={sig}"\n<\/code><\/pre>\n
\u6821\u9a8c\u7aef\u7528 Nginx \u81ea\u5e26\u7684 secure_link<\/code> \u6a21\u5757\uff0c\u4e0d\u9700\u8981\u989d\u5916\u8dd1\u4e00\u4e2a\u9274\u6743\u670d\u52a1\uff1a<\/p>\n
location \/private-images\/ {\n    secure_link $arg_sig,$arg_exp;\n    secure_link_md5 "$secure_link_expires$uri my-secret";\n    if ($secure_link = "")  { return 403; }\n    if ($secure_link = "0") { return 410; }\n}\n<\/code><\/pre>\n
secure_link_md5<\/code> \u7684\u539f\u6587\u56fa\u5b9a\u662f”\u8fc7\u671f\u65f6\u95f4 + URI + \u5bc6\u94a5”\uff0c\u5bc6\u94a5\u5199\u5728\u914d\u7f6e\u91cc\uff0c\u7b7e\u540d\u7b97\u6cd5\u5fc5\u987b\u4e0e\u751f\u6210\u7aef\u9010\u5b57\u8282\u5bf9\u9f50\u3002\u4e0a\u7ebf\u524d\u5148\u62ff\u4e00\u5f20\u6d4b\u8bd5\u56fe\u8dd1\u901a 200\u3001403\u3001410 \u4e09\u79cd\u8fd4\u56de\uff0c\u518d\u6279\u91cf\u5207\u6362\uff0c\u5426\u5219\u4e00\u6b21\u62fc\u63a5\u9519\u8bef\u4f1a\u8ba9\u6574\u7ad9\u79c1\u6709\u56fe\u7247\u96c6\u4f53 403\u3002<\/p>\n
\u8fd9\u91cc\u6709\u4e00\u4e2a\u5fc5\u987b\u63d0\u524d\u60f3\u6e05\u695a\u7684\u6743\u8861\uff1a\u7b7e\u540d URL \u4e0e CDN \u7f13\u5b58\u5929\u7136\u51b2\u7a81\u3002\u6bcf\u4e2a\u8bbf\u5ba2\u62ff\u5230\u7684 sig<\/code> \u4e0d\u540c\uff0c\u5982\u679c\u628a\u6574\u4e2a query string \u8ba1\u5165\u7f13\u5b58 key\uff0c\u540c\u4e00\u5f20\u56fe\u4f1a\u88ab\u7f13\u5b58\u6210\u4e0a\u5343\u4e2a\u526f\u672c\uff0c\u547d\u4e2d\u7387\u6389\u5230\u4e2a\u4f4d\u6570\uff0c\u56de\u6e90\u91cf\u53cd\u800c\u66b4\u6da8\u3002\u89e3\u51b3\u529e\u6cd5\u662f\u8ba9 CDN \u7684\u7f13\u5b58 key \u5ffd\u7565\u7b7e\u540d\u53c2\u6570\uff0c\u53ea\u6309\u8def\u5f84\u7f13\u5b58\uff1b\u5177\u4f53\u5230\u9759\u6001\u8d44\u6e90\u4e0a\u4e91\u7684\u5206\u5de5\uff0c\u53ef\u4ee5\u53c2\u8003\u5bf9\u8c61\u5b58\u50a8\u52a0 CDN \u52a0\u901f\u5b9e\u6218<\/a>\u91cc\u7684\u8def\u5f84\u4e0e\u7f13\u5b58\u952e\u8bbe\u8ba1\u3002<\/p>\n
\u7b7e\u540d\u6709\u6548\u671f\u6309\u573a\u666f\u5206\u7ea7\u5373\u53ef\uff1a\u8ba2\u5355\u9644\u4ef6 10 \u5206\u949f\u8db3\u591f\uff0c\u4f1a\u5458\u7d20\u6750 1 \u5230 2 \u5c0f\u65f6\uff0c\u516c\u5f00\u5546\u54c1\u56fe\u4e0d\u9700\u8981\u7b7e\u540d\u2014\u2014\u628a\u7b7e\u540d\u7528\u5728\u516c\u5f00\u56fe\u4e0a\u53ea\u4f1a\u62d6\u4f4e\u547d\u4e2d\u7387\u3002<\/p>\n
\u56fe\u7247\u5206\u6d41\u57df\u540d\uff1a\u628a\u56fe\u7247\u6d41\u91cf\u4ece\u4e3b\u7ad9\u5265\u51fa\u53bb<\/h2>\n
\u62e6\u622a\u548c\u7b7e\u540d\u90fd\u5728\u51cf\u5c11”\u4e0d\u8be5\u6765\u7684\u8bf7\u6c42”\uff0c\u5206\u6d41\u505a\u7684\u662f\u53e6\u4e00\u4ef6\u4e8b\uff1a\u8ba9”\u8be5\u6765\u7684\u8bf7\u6c42”\u8d70\u4e00\u6761\u66f4\u4fbf\u5b9c\u7684\u8def\u5f84\u3002\u505a\u6cd5\u662f\u7ed9\u56fe\u7247\u5355\u72ec\u4e00\u4e2a\u57df\u540d\uff0c\u4f8b\u5982 img.example.com<\/code>\uff0c\u8ba9\u5b83\u6307\u5411 CDN \u6216\u72ec\u7acb\u7684\u9759\u6001\u8d44\u6e90\u7ad9\u70b9\uff0c\u4e3b\u7ad9\u53ea\u7ba1 HTML \u548c\u63a5\u53e3\u3002<\/p>\n
\u8fd9\u6837\u505a\u6709\u4e09\u4e2a\u5b9e\u6253\u5b9e\u7684\u597d\u5904\uff1a\u56fe\u7247\u8bf7\u6c42\u4e0e\u9875\u9762\u8bf7\u6c42\u7684\u8fde\u63a5\u6570\u5206\u5f00\uff0c\u4e3b\u7ad9\u7684 keepalive \u8fde\u63a5\u6c60\u4e0d\u4f1a\u88ab\u5927\u56fe\u5360\u6ee1\uff1b\u9759\u6001\u57df\u540d\u53ef\u4ee5\u8bbe\u6210\u4e0d\u643a\u5e26 Cookie\uff0c\u4e00\u4e2a\u9996\u9875\u4e09\u5341\u5f20\u56fe\u80fd\u7701\u6389\u63a5\u8fd1 18 KB \u7684\u8bf7\u6c42\u5934\u4e0a\u884c\uff1b\u56fe\u7247\u57df\u540d\u80fd\u5355\u72ec\u8bbe\u7f13\u5b58\u65f6\u957f\u548c\u9650\u901f\u7b56\u7565\uff0c\u4e0d\u5fc5\u8ddf HTML \u7684\u77ed\u7f13\u5b58\u59a5\u534f\u3002<\/p>\n
\u4ee3\u4ef7\u662f\u6bcf\u4e2a\u65b0\u57df\u540d\u591a\u4e00\u6b21 DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u89e3\u6790\u548c TLS \u63e1\u624b\uff0c\u7f13\u89e3\u65b9\u5f0f\u662f\u5728\u9875\u9762\u5934\u90e8\u52a0\u9884\u8fde\u63a5\u63d0\u793a\uff0c\u628a\u63e1\u624b\u63d0\u524d\u5230\u89e3\u6790 HTML \u9636\u6bb5\uff1a<\/p>\n
<link rel="preconnect" href="https:\/\/img.example.com" crossorigin>\n<link rel="dns-prefetch" href="https:\/\/img.example.com">\n<\/code><\/pre>\n
\"\u56fe\u7247\u5206\u6d41\u7684\u56db\u5c42\u7ed3\u6784\uff1a\u4e3b\u7ad9\u3001\u56fe\u7247\u57df\u540d\u3001\u8fb9\u7f18\u8282\u70b9\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u7684\u8bf7\u6c42\u8def\u5f84\"<\/p>\n
\u5206\u6d41\u4e4b\u540e\uff0c\u5a92\u4f53\u8d44\u6e90\u5728\u6e90\u7ad9\u7684\u804c\u8d23\u4f1a\u53d1\u751f\u53d8\u5316\uff1a\u6e90\u7ad9\u4ece”\u6bcf\u6b21\u90fd\u8981\u8fd4\u56de\u56fe\u7247”\u53d8\u6210”\u53ea\u5728\u7f13\u5b58\u672a\u547d\u4e2d\u65f6\u56de\u6e90”\uff0c\u5bb9\u91cf\u89c4\u5212\u7684\u91cd\u70b9\u4e5f\u968f\u4e4b\u4ece\u51fa\u53e3\u5e26\u5bbd\u8f6c\u5411\u7f13\u5b58\u547d\u4e2d\u7387\u548c\u56de\u6e90\u5e76\u53d1\u3002\u56fe\u7247\u548c\u89c6\u9891\u53d8\u91cd\u540e CDN \u4e0e\u6e90\u7ad9\u600e\u4e48\u91cd\u65b0\u5206\u5de5\uff0c\u8fd9\u7bc7\u5206\u6790<\/a>\u8bb2\u5f97\u66f4\u5b8c\u6574\u3002<\/p>\n
\u56de\u6e90\u5e26\u5bbd\u63a7\u5236\uff1a\u4e09\u4e2a\u9650\u6d41\u4f4d\u7f6e<\/h2>\n
\u56de\u6e90\u5e26\u5bbd\u662f\u53ef\u4ee5\u7b97\u51fa\u6765\u7684\uff0c\u4e0d\u662f\u9760\u611f\u89c9\u8c03\u7684\u3002\u56de\u6e90\u91cf \u2248 \u56fe\u7247\u603b\u8bf7\u6c42\u6570 \u00d7\uff081 – \u7f13\u5b58\u547d\u4e2d\u7387\uff09\u00d7 \u5e73\u5747\u56fe\u7247\u4f53\u79ef\u3002\u4e00\u767e\u4e07\u6b21\u65e5\u5747\u56fe\u7247\u8bf7\u6c42\u3001\u5e73\u5747 180 KB\u3001\u547d\u4e2d\u7387 85%\uff0c\u56de\u6e90\u6d41\u91cf\u7ea6 27 GB\/\u5929\uff1b\u547d\u4e2d\u7387\u53ea\u8981\u6389\u5230 70%\uff0c\u540c\u4e00\u5929\u7684\u56de\u6e90\u91cf\u5c31\u53d8\u6210 54 GB\uff0c\u7ffb\u500d\u3002\u6240\u4ee5\u63a7\u5236\u56de\u6e90\u7684\u7b2c\u4e00\u624b\u6bb5\u6c38\u8fdc\u662f\u547d\u4e2d\u7387\uff0c\u800c\u4e0d\u662f\u9650\u901f\u3002<\/p>\n
\u547d\u4e2d\u7387\u4e4b\u540e\u624d\u662f\u9650\u6d41\uff0c\u5efa\u8bae\u6309\u4e09\u4e2a\u4f4d\u7f6e\u5206\u5c42\u8bbe\u7f6e\uff0c\u4ece\u5916\u5230\u5185\u6536\u7d27\uff1a<\/p>\n