\u901a\u8fc7\u65e5\u5fd7\u6316\u6398\u8fdb\u884c\u5b89\u5168\u5206\u6790<\/strong><\/h2>\n

\u5b9e\u73b0\u8fd9\u4e2abash\u811a\u672c\u8fdb\u884c\u5b9e\u65f6\u5b89\u5168\u76d1\u63a7\uff1a<\/p>\n

\r\n#!\/bin\/bash\r\n\r\n# \u76d1\u63a7\u53ef\u7591\u7684POST\u8bf7\u6c42\r\ntail -f \/var\/log\/nginx\/access.log | \\\r\ngrep --line-buffered \"POST\" | \\\r\nawk '{ if ($6 >= 400) print \"\u6765\u81eaIP\u7684\u53ef\u7591POST\u8bf7\u6c42: \" $1 }'\r\n\r\n# \u8ddf\u8e2a\u5931\u8d25\u7684\u8ba4\u8bc1\u5c1d\u8bd5\r\ntail -f \/var\/log\/auth.log | \\\r\ngrep --line-buffered \"Failed password\" | \\\r\nawk '{ print $11 }' | \\\r\nsort | uniq -c | \\\r\nawk '{ if ($1 > 5) print \"\u53ef\u80fd\u7684\u66b4\u529b\u653b\u51fb\u6765\u81ea: \" $2 }'\r\n<\/code><\/pre>\n
\u5b9e\u9645\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n
\u57fa\u4e8e\u65e5\u5fd7\u5206\u6790\u7ed3\u679c,\u8fd9\u662f\u4e00\u4e2a\u7ecf\u8fc7\u5b9e\u6218\u68c0\u9a8c\u7684Nginx\u914d\u7f6e,\u7528\u4e8e\u4f18\u5316\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u6027\u80fd\uff1a<\/p>\n
\r\nhttp {\r\n    # \u4f18\u5316\u5de5\u4f5c\u8fdb\u7a0b\u8fde\u63a5\r\n    worker_processes auto;\r\n    worker_connections 2048;\r\n\r\n    # \u542f\u7528\u538b\u7f29\r\n    gzip on;\r\n    gzip_comp_level 5;\r\n    gzip_types text\/plain text\/css application\/javascript application\/json;\r\n\r\n    # \u7f13\u51b2\u533a\u5927\u5c0f\u4f18\u5316\r\n    client_body_buffer_size 10K;\r\n    client_header_buffer_size 1k;\r\n    client_max_body_size 8m;\r\n    large_client_header_buffers 2 1k;\r\n\r\n    # \u8d85\u65f6\u8bbe\u7f6e\r\n    client_body_timeout 12;\r\n    client_header_timeout 12;\r\n    keepalive_timeout 15;\r\n    send_timeout 10;\r\n\r\n    # \u7f13\u5b58\u4f18\u5316\r\n    open_file_cache max=200000 inactive=20s;\r\n    open_file_cache_valid 30s;\r\n    open_file_cache_min_uses 2;\r\n    open_file_cache_errors on;\r\n}\r\n<\/code><\/pre>\n
\u81ea\u52a8\u5316\u65e5\u5fd7\u5206\u6790\u6d41\u7a0b<\/strong><\/h2>\n
\u8fd9\u662f\u7528\u4e8e\u96c6\u4e2d\u65e5\u5fd7\u7ba1\u7406\u7684\u5b9e\u7528ELK Stack\u914d\u7f6e\uff1a<\/p>\n
\r\ninput {\r\n  file {\r\n    path => \"\/var\/log\/nginx\/access.log\"\r\n    start_position => \"beginning\"\r\n    type => \"nginx-access\"\r\n    codec => json\r\n  }\r\n}\r\n\r\nfilter {\r\n  if [type] == \"nginx-access\" {\r\n    grok {\r\n      match => { \"message\" => \"%{COMBINEDAPACHELOG}\" }\r\n    }\r\n    geoip {\r\n      source => \"clientip\"\r\n    }\r\n    useragent {\r\n      source => \"agent\"\r\n    }\r\n  }\r\n}\r\n\r\noutput {\r\n  elasticsearch {\r\n    hosts => [\"localhost:9200\"]\r\n    index => \"nginx-access-%{+YYYY.MM.dd}\"\r\n  }\r\n  stdout { codec => rubydebug }\r\n}\r\n<\/code><\/pre>\n
\u6d41\u91cf\u5f02\u5e38\u68c0\u6d4b<\/strong><\/h2>\n
\u90e8\u7f72\u8fd9\u4e2a\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u89e3\u51b3\u65b9\u6848\u6765\u8bc6\u522b\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f\uff1a<\/p>\n
\r\nfrom sklearn.ensemble import IsolationForest\r\nimport pandas as pd\r\n\r\ndef detect_anomalies(log_data):\r\n    # \u5c06\u65e5\u5fd7\u6570\u636e\u8f6c\u6362\u4e3a\u7279\u5f81\r\n    features = pd.DataFrame({\r\n        'requests_per_minute': log_data['requests_count'],\r\n        'avg_response_time': log_data['response_time'],\r\n        'error_rate': log_data['error_count'] \/ log_data['requests_count']\r\n    })\r\n    \r\n    # \u8bad\u7ec3\u9694\u79bb\u68ee\u6797\r\n    iso_forest = IsolationForest(\r\n        contamination=0.1,\r\n        random_state=42\r\n    )\r\n    \r\n    # \u62df\u5408\u548c\u9884\u6d4b\r\n    anomalies = iso_forest.fit_predict(features)\r\n    return anomalies == -1  # True\u8868\u793a\u5f02\u5e38\r\n<\/code><\/pre>\n
\u6301\u7eed\u76d1\u63a7\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
\u4f7f\u7528Node.js\u548cWebSocket\u5b9e\u73b0\u8fd9\u4e2a\u76d1\u63a7\u4eea\u8868\u677f\u811a\u672c\u4ee5\u8fdb\u884c\u5b9e\u65f6\u66f4\u65b0\uff1a<\/p>\n
\r\nconst WebSocket = require('ws');\r\nconst tail = require('tail').Tail;\r\nconst wss = new WebSocket.Server({ port: 8080 });\r\n\r\n\/\/ \u521d\u59cb\u5316\u65e5\u5fd7\u76d1\u63a7\r\nconst logTail = new tail(\"\/var\/log\/nginx\/access.log\");\r\n\r\n\/\/ \u8ddf\u8e2a\u6307\u6807\r\nlet metrics = {\r\n    requestCount: 0,\r\n    errorCount: 0,\r\n    avgResponseTime: 0,\r\n    uniqueIPs: new Set()\r\n};\r\n\r\n\/\/ \u5e7f\u64ad\u66f4\u65b0\r\nfunction broadcastMetrics() {\r\n    wss.clients.forEach(client => {\r\n        if (client.readyState === WebSocket.OPEN) {\r\n            client.send(JSON.stringify(metrics));\r\n        }\r\n    });\r\n}\r\n\r\n\/\/ \u76d1\u63a7\u65e5\u5fd7\u66f4\u65b0\r\nlogTail.on(\"line\", (data) => {\r\n    const logEntry = JSON.parse(data);\r\n    metrics.requestCount++;\r\n    metrics.uniqueIPs.add(logEntry.ip);\r\n    \r\n    if (logEntry.status >= 400) {\r\n        metrics.errorCount++;\r\n    }\r\n    \r\n    broadcastMetrics();\r\n});\r\n<\/code><\/pre>\n
\u672a\u6765\u5206\u6790\u7b56\u7565\u7684\u89c4\u5212<\/strong><\/h2>\n
\u968f\u7740\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u53d1\u5c55,\u8003\u8651\u5728\u65e5\u5fd7\u5206\u6790\u5de5\u4f5c\u6d41\u7a0b\u4e2d\u5b9e\u65bd\u8fd9\u4e9b\u65b0\u5174\u8d8b\u52bf\uff1a<\/p>\n
- \u7528\u4e8e\u5bb9\u91cf\u89c4\u5212\u7684AI\u9a71\u52a8\u9884\u6d4b\u5206\u6790<\/p>\n
- \u96f6\u4fe1\u4efb\u5b89\u5168\u76d1\u63a7<\/p>\n
- \u5bb9\u5668\u611f\u77e5\u65e5\u5fd7\u805a\u5408<\/p>\n
- \u8fb9\u7f18\u8ba1\u7b97\u6307\u6807\u96c6\u6210<\/p>\n
\u5b9e\u7528\u8981\u70b9<\/strong><\/h2>\n
\u5173\u6ce8\u8fd9\u4e9b\u5173\u952e\u9886\u57df\u4ee5\u8fdb\u884c\u6709\u6548\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u65e5\u5fd7\u5206\u6790\uff1a<\/p>\n
1. \u81ea\u52a8\u5f02\u5e38\u68c0\u6d4b<\/p>\n
2. \u5b9e\u65f6\u5b89\u5168\u76d1\u63a7<\/p>\n
3. \u57fa\u4e8e\u6d41\u91cf\u6a21\u5f0f\u7684\u6027\u80fd\u4f18\u5316<\/p>\n
4. \u96c6\u4e2d\u5f0f\u65e5\u5fd7\u7ba1\u7406<\/p>\n
5. \u673a\u5668\u5b66\u4e60\u96c6\u6210<\/p>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u5728\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u638c\u63e1\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u9700\u8981\u6280\u672f\u4e13\u4e1a\u77e5\u8bc6\u548c\u6218\u7565\u601d\u7ef4\u7684\u7ed3\u5408\u3002\u901a\u8fc7\u5b9e\u65bd\u6240\u8ba8\u8bba\u7684\u5de5\u5177\u548c\u6280\u672f,\u60a8\u5c06\u66f4\u597d\u5730\u5904\u7406\u6d41\u91cf\u5206\u6790\u3001\u5b89\u5168\u76d1\u63a7\u548c\u6027\u80fd\u4f18\u5316\u3002\u7ee7\u7eed\u5c1d\u8bd5\u65b0\u7684\u5206\u6790\u65b9\u6cd5,\u5e76\u53ca\u65f6\u4e86\u89e3\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u9886\u57df\u7684\u65b0\u5174\u6280\u672f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3a\u4ec0\u4e48\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u5728\u73b0\u4ee3\u670d\u52a1\u5668\u79df\u7528\u4e2d\u5982\u6b64\u91cd\u8981 \u5728\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u52a8\u6001\u683c\u5c40\u4e2d,\u7406\u89e3\u670d\u52a1\u5668\u65e5\u5fd7\u5206\u6790\u4e0d\u4ec5\u4ec5\u662f\u76d1\u63a7\u6d41\u91cf\u2014\u2014\u5b83\u662f\u5173\u4e8e\u63ed\u793a\u6bcf\u4e2a\u8bf7\u6c42\u3001\u8fde\u63a5\u548c\u6f5c\u5728\u5b89\u5168\u5a01\u80c1\u80cc\u540e\u7684\u6545\u4e8b\u3002\u5bf9\u4e8e\u7ba1\u7406\u9ad8\u6d41\u91cf\u57fa\u7840\u8bbe\u65bd\u7684\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u6765\u8bf4,\u638c\u63e1\u65e5\u5fd7\u5206\u6790\u6210\u4e3a\u533a\u5206\u5065\u58ee\u7cfb\u7edf\u548c\u8106\u5f31\u7cfb\u7edf\u7684\u5173\u952e\u6280\u80fd\u3002 \u7406\u89e3\u65e5\u5fd7\u683c\u5f0f\u548c\u7ed3\u6784 \u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u670d\u52a1\u5668\u65e5\u5fd7\u7684\u6838\u5fc3\u90e8\u5206\u3002\u5927\u591a\u6570\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u4f7f\u7528Apache\u6216Nginx,\u6bcf\u79cd\u90fd\u6709\u5176\u72ec\u7279\u7684\u65e5\u5fd7\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u5178\u578b\u7684Nginx\u8bbf\u95ee\u65e5\u5fd7\u6761\u76ee\u7684\u5206\u89e3\uff1a 203.0.113.1 – – [10\/Feb\/2025:13:55:36 +0000] “GET \/api\/v1\/status HTTP\/1.1” 200 48 “https:\/\/example.com” “Mozilla\/5.0” \u8fd9\u770b\u4f3c\u7b80\u5355\u7684\u4e00\u884c\u5305\u542b\u5173\u952e\u4fe1\u606f\uff1a – IP\u5730\u5740 (203.0.113.1) – \u65f6\u95f4\u6233 [10\/Feb\/2025:13:55:36 +0000] – \u8bf7\u6c42\u65b9\u6cd5\u548c\u8def\u5f84 (GET \/api\/v1\/status) – \u72b6\u6001\u7801 (200) – \u54cd\u5e94\u5927\u5c0f (48\u5b57\u8282) – \u5f15\u7528\u6765\u6e90 (https:\/\/example.com) – \u7528\u6237\u4ee3\u7406\u5b57\u7b26\u4e32 \u9ad8\u7ea7\u7528\u6237\u5fc5\u5907\u7684\u5206\u6790\u5de5\u5177 \u867d\u7136\u57fa\u672c\u7684\u65e5\u5fd7\u67e5\u770b\u5668\u80fd\u6ee1\u8db3\u57fa\u672c\u9700\u6c42,\u4f46\u9ad8\u7ea7\u7528\u6237\u9700\u8981\u66f4\u5f3a\u5927\u7684\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528GoAccess(\u4e00\u4e2a\u5b9e\u65f6\u7ec8\u7aef\u65e5\u5fd7\u5206\u6790\u5668)\u7684\u5b9e\u7528\u793a\u4f8b\uff1a # \u5b9e\u65f6\u5206\u6790 goaccess access.log -c –real-time-html > report.html # \u751f\u6210\u8be6\u7ec6\u7684PDF\u62a5\u544a goaccess access.log –log-format=COMBINED \\ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":22675,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[6735,6151,4853,4743,1717],"class_list":["post-22678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-log-analysis-tools-sc","tag-server-log-analysis-sc","tag-us-hosting-sc","tag-traffic-patterns-sc","tag-traffic-monitoring-sc"],"acf":[],"yoast_head":"\n