\u5728\u6df1\u5165\u63a2\u8ba8\u4fdd\u62a4\u673a\u5236\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u4e86\u89e3\u9488\u5bf9API\u7aef\u70b9\u7684\u4e3b\u8981\u653b\u51fb\u5411\u91cf\u3002\u73b0\u4ee3\u653b\u51fb\u8005\u91c7\u7528\u5404\u79cd\u6280\u672f\uff1a<\/p>\n

\n
• \u9488\u5bf9\u7279\u5b9aAPI\u7aef\u70b9\u7684\u7b2c7\u5c42DDoS\u653b\u51fb<\/li>\n
• \u51ed\u8bc1\u586b\u5145\u653b\u51fb<\/li>\n
• \u4e2d\u95f4\u4eba(MITM)\u653b\u51fb<\/li>\n
• \u901a\u8fc7API\u53c2\u6570\u7684SQL\u6ce8\u5165<\/li>\n
• \u96f6\u65e5\u6f0f\u6d1e\u5229\u7528<\/li>\n<\/ul>\n

  \u5b9e\u65bd\u901f\u7387\u9650\u5236<\/strong><\/h2>\n

  \u6700\u6709\u6548\u7684\u9632\u5fa1\u4e4b\u4e00\u662f\u5b9e\u65bd\u590d\u6742\u7684\u901f\u7387\u9650\u5236\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Node.js\u548cRedis\u7684\u5b9e\u8df5\u793a\u4f8b\uff1a<\/p>\n

  \r\nconst rateLimit = require('express-rate-limit');\r\nconst RedisStore = require('rate-limit-redis');\r\nconst Redis = require('ioredis');\r\n\r\nconst redis = new Redis({\r\n    host: 'your-redis-host',\r\n    port: 6379\r\n});\r\n\r\nconst apiLimiter = rateLimit({\r\n    store: new RedisStore({\r\n        client: redis,\r\n        prefix: 'api_rate_limit:'\r\n    }),\r\n    windowMs: 15 * 60 * 1000, \/\/ 15\u5206\u949f\r\n    max: 100, \/\/ \u9650\u5236\u6bcf\u4e2aIP\u5728windowMs\u65f6\u95f4\u5185\u6700\u591a100\u4e2a\u8bf7\u6c42\r\n    message: {\r\n        status: 429,\r\n        message: '\u8bf7\u6c42\u8fc7\u591a'\r\n    }\r\n});\r\n\r\napp.use('\/api\/', apiLimiter);\r\n<\/code><\/pre>\n
  \n
  \u9ad8\u7ea7DDoS\u9632\u62a4\u67b6\u6784<\/strong><\/h2>\n
  \u7f8e\u56fd\u9632DDoS\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u5b9e\u65bd\u591a\u5c42\u9632\u5fa1\u67b6\u6784\u3002\u8fd9\u4e2a\u590d\u6742\u7684\u7cfb\u7edf\u5305\u62ec\uff1a<\/p>\n
  \n
  \n
  \u8fb9\u7f18\u9632\u62a4\uff1a<\/strong> \u5229\u7528\u5177\u670910+Tbps\u5bb9\u91cf\u7684Anycast\u7f51\u7edc<\/li>\n
  \u534f\u8bae\u9a8c\u8bc1\uff1a<\/strong> 3-7\u5c42\u6df1\u5ea6\u5305\u68c0\u6d4b<\/li>\n
  \u6d41\u91cf\u6e05\u6d17\uff1a<\/strong> \u9ad8\u7ea7\u5f02\u5e38\u68c0\u6d4b\u7b97\u6cd5<\/li>\n<\/ul>\n<\/div>\n
  API\u8ba4\u8bc1\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
  \u5b9e\u65bd\u5f3a\u5927\u7684\u8ba4\u8bc1\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528JWT\u4ee4\u724c\u8fdb\u884c\u901f\u7387\u9650\u5236\u7684\u793a\u4f8b\uff1a<\/p>\n
  \r\nconst jwt = require('jsonwebtoken');\r\n\r\nconst authenticateToken = (req, res, next) => {\r\n    const authHeader = req.headers['authorization'];\r\n    const token = authHeader && authHeader.split(' ')[1];\r\n\r\n    if (!token) {\r\n        return res.sendStatus(401);\r\n    }\r\n\r\n    jwt.verify(token, process.env.JWT_SECRET, (err, user) => {\r\n        if (err) {\r\n            return res.sendStatus(403);\r\n        }\r\n        req.user = user;\r\n        next();\r\n    });\r\n};\r\n\r\n\/\/ \u5b9e\u73b0\u57fa\u4e8e\u4ee4\u724c\u7684\u901f\u7387\u9650\u5236\r\nconst tokenBuckets = new Map();\r\n\r\nconst tokenRateLimit = (req, res, next) => {\r\n    const token = req.user.id;\r\n    const now = Date.now();\r\n    const bucket = tokenBuckets.get(token) || { tokens: 10, last: now };\r\n    \r\n    const rate = (now - bucket.last) \/ 1000;\r\n    bucket.tokens = Math.min(10, bucket.tokens + rate);\r\n    \r\n    if (bucket.tokens < 1) {\r\n        return res.status(429).json({ error: '\u8d85\u51fa\u901f\u7387\u9650\u5236' });\r\n    }\r\n    \r\n    bucket.tokens -= 1;\r\n    bucket.last = now;\r\n    tokenBuckets.set(token, bucket);\r\n    next();\r\n};\r\n\r\napp.use('\/api\/protected', authenticateToken, tokenRateLimit);\r\n<\/code><\/pre>\n
  \u5b9e\u65f6\u76d1\u63a7\u548c\u5206\u6790<\/strong><\/h2>\n
  \u6709\u6548\u7684API\u4fdd\u62a4\u9700\u8981\u5168\u9762\u76d1\u63a7\u3002\u73b0\u4ee3\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u5b9e\u65bd\u8fd9\u4e9b\u5173\u952e\u76d1\u63a7\u7ec4\u4ef6\uff1a<\/p>\n
  \n
  \n
  \u4f7f\u7528\u673a\u5668\u5b66\u4e60\u7684\u5b9e\u65f6\u6d41\u91cf\u5206\u6790<\/li>\n
  \u884c\u4e3a\u6a21\u5f0f\u8bc6\u522b<\/li>\n
  \u81ea\u52a8\u5316\u5a01\u80c1\u54cd\u5e94\u7cfb\u7edf<\/li>\n
  \u6027\u80fd\u5f71\u54cd\u76d1\u63a7<\/li>\n<\/ol>\n<\/div>\n<\/section>\n
  \n
  \u8d1f\u8f7d\u5747\u8861\u548c\u6545\u969c\u8f6c\u79fb\u7b56\u7565<\/strong><\/h2>\n
  \u7f8e\u56fd\u9632\u62a4\u670d\u52a1\u5668\u73af\u5883\u4e2d\u7684\u9ad8\u53ef\u7528\u6027\u67b6\u6784\u5b9e\u65bd\u590d\u6742\u7684\u8d1f\u8f7d\u5747\u8861\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528HAProxy\u7684\u5b9e\u8df5\u5b9e\u73b0\uff1a<\/p>\n
  \r\nglobal\r\n    log \/dev\/log local0\r\n    maxconn 4096\r\n    user haproxy\r\n    group haproxy\r\n\r\ndefaults\r\n    log     global\r\n    mode    http\r\n    option  httplog\r\n    option  dontlognull\r\n    retries 3\r\n    timeout connect 5s\r\n    timeout client  30s\r\n    timeout server  30s\r\n\r\nfrontend http_front\r\n    bind *:80\r\n    stats uri \/haproxy?stats\r\n    default_backend http_back\r\n\r\nbackend http_back\r\n    balance roundrobin\r\n    cookie SERVERID insert indirect nocache\r\n    option httpchk HEAD \/health HTTP\/1.1\\r\\nHost:\\ localhost\r\n    server server1 10.0.0.1:80 check cookie server1\r\n    server server2 10.0.0.2:80 check cookie server2\r\n    server server3 10.0.0.3:80 check cookie server3\r\n<\/code><\/pre>\n
  API\u5b89\u5168\u7684SSL\/TLS\u5b9e\u65bd<\/strong><\/h2>\n
  \u5b89\u5168\u4f20\u8f93\u5bf9API\u4fdd\u62a4\u81f3\u5173\u91cd\u8981\u3002\u73b0\u4ee3\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u5b9e\u65bd\u8fd9\u4e9b\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n
  \n
  \n
  \u5177\u6709\u5b8c\u7f8e\u524d\u5411\u4fdd\u5bc6\u7684TLS 1.3<\/li>\n
  HSTS\u5b9e\u65bd<\/li>\n
  \u8bc1\u4e66\u56fa\u5b9a<\/li>\n<\/ul>\n<\/div>\n
  \u4f7f\u7528\u73b0\u4ee3\u5b89\u5168\u8bbe\u7f6e\u7684Node.js HTTPS\u670d\u52a1\u5668\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n
  \r\nconst https = require('https');\r\nconst fs = require('fs');\r\n\r\nconst options = {\r\n    key: fs.readFileSync('private-key.pem'),\r\n    cert: fs.readFileSync('certificate.pem'),\r\n    ciphers: [\r\n        \"TLS_AES_128_GCM_SHA256\",\r\n        \"TLS_AES_256_GCM_SHA384\",\r\n        \"TLS_CHACHA20_POLY1305_SHA256\"\r\n    ].join(':'),\r\n    minVersion: 'TLSv1.2',\r\n    maxVersion: 'TLSv1.3',\r\n    honorCipherOrder: true,\r\n    secureOptions: crypto.constants.SSL_OP_NO_SSLv3 | \r\n                   crypto.constants.SSL_OP_NO_TLSv1\r\n};\r\n\r\nconst server = https.createServer(options, app);\r\n<\/code><\/pre>\n
  WAF\u914d\u7f6e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
  \u7f8e\u56fd\u9632\u62a4\u670d\u52a1\u5668\u73af\u5883\u4e2d\u7684Web\u5e94\u7528\u9632\u706b\u5899\u9700\u8981\u4ed4\u7ec6\u914d\u7f6e\u4ee5\u6709\u6548\u4fdd\u62a4API\u7aef\u70b9\u3002\u4e3b\u8981\u8003\u8651\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n
  \n
  \n
  \u9488\u5bf9API\u7279\u5b9a\u5a01\u80c1\u7684\u81ea\u5b9a\u4e49\u89c4\u5219\u96c6<\/li>\n
  \u7528\u4e8e\u8d1f\u8f7d\u9a8c\u8bc1\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f<\/li>\n
  \u57fa\u4e8e\u767d\u540d\u5355\u7684\u5df2\u77e5\u826f\u597d\u6d41\u91cf\u65b9\u6cd5<\/li>\n<\/ul>\n<\/div>\n<\/section>\n
  \n
  DDoS\u9632\u62a4\u7684\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n
  \u5728\u8bc4\u4f30\u5177\u6709DDoS\u9632\u62a4\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u65f6\uff0c\u8bf7\u8003\u8651\u8fd9\u4e9b\u9632\u62a4\u7ea7\u522b\u53ca\u5176\u529f\u80fd\uff1a<\/p>\n\n\n\n\n\n\n
  \u9632\u62a4\u7ea7\u522b<\/th>\n
  \u89c4\u6a21<\/th>\n
  \u529f\u80fd<\/th>\n<\/tr>\n
  \u57fa\u7840<\/td>\n
  \u4e2d\u5c0f\u578b\u4f01\u4e1a<\/td>\n
  \u6807\u51c6DDoS\u7f13\u89e3\uff0c\u57fa\u672c\u8fc7\u6ee4<\/td>\n<\/tr>\n
  \u9ad8\u7ea7<\/td>\n
  \u4e2d\u5927\u578b\u4f01\u4e1a<\/td>\n
  \u589e\u5f3a\u4fdd\u62a4\u80fd\u529b\uff0c\u5305\u542bWAF<\/td>\n<\/tr>\n
  \u4f01\u4e1a\u7248<\/td>\n
  \u5927\u578b\u4f01\u4e1a<\/td>\n
  \u65e0\u9650\u9632\u62a4\uff0c\u81ea\u5b9a\u4e49\u89c4\u5219\uff0c\u4e13\u5c5e\u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n