{"id":36536,"date":"2025-04-11T14:29:16","date_gmt":"2025-04-11T06:29:16","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=36536"},"modified":"2025-04-11T14:29:16","modified_gmt":"2025-04-11T06:29:16","slug":"%e7%bd%91%e7%bb%9c%e6%b5%81%e9%87%8f%e9%87%87%e9%9b%86%e5%a6%82%e4%bd%95%e6%94%af%e6%8c%81%e7%bd%91%e7%bb%9c%e6%b5%81%e9%87%8f%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/36536.html","title":{"rendered":"\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6\u5982\u4f55\u652f\u6301\u7f51\u7edc\u6d41\u91cf\u8d1f\u8f7d\u5747\u8861\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/04\/87QRN2k.jpg\" alt=\"\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6\u5982\u4f55\u652f\u6301\u7f51\u7edc\u6d41\u91cf\u8d1f\u8f7d\u5747\u8861\uff1f\" ><\/p>\n<\/p>\n<p><strong>\u524d\u8a00<\/strong><br \/>\n\u5728\u6570\u5b57\u5316\u6d6a\u6f6e\u5e2d\u5377\u5168\u7403\u7684\u4eca\u5929\uff0c\u4f01\u4e1a\u7684\u5728\u7ebf\u4e1a\u52a1\u89c4\u6a21\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002\u65e0\u8bba\u662f\u89c6\u9891\u6d41\u5a92\u4f53\u3001\u7535\u5b50\u5546\u52a1\uff0c\u8fd8\u662f\u7269\u8054\u7f51\u8bbe\u5907\u7684\u7206\u53d1\u5f0f\u63a5\u5165\uff0c\u7f51\u7edc\u6d41\u91cf\u7684\u590d\u6742\u6027\u4e0e\u6ce2\u52a8\u6027\u90fd\u8fbe\u5230\u4e86\u524d\u6240\u672a\u6709\u7684\u6c34\u5e73\u3002\u9762\u5bf9\u8fd9\u4e00\u6311\u6218\uff0c\u201c<strong>\u7f51\u7edc\u6d41\u91cf\u8d1f\u8f7d\u5747\u8861<\/strong>\u201d\u6210\u4e3a\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u4e0e\u7528\u6237\u4f53\u9a8c\u7684\u6838\u5fc3\u6280\u672f\u3002\u7136\u800c\uff0c\u8d1f\u8f7d\u5747\u8861\u7684\u7cbe\u51c6\u6267\u884c\u79bb\u4e0d\u5f00\u4e00\u4e2a\u5173\u952e\u524d\u63d0\u2014\u2014<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6<\/a><\/strong>\u3002\u4e24\u8005\u7684\u534f\u540c\u5982\u4f55\u5b9e\u73b0\u9ad8\u6548\u8d44\u6e90\u5206\u914d\uff1f\u6d41\u91cf\u6570\u636e\u7684\u5b9e\u65f6\u6027\u4e0e\u5168\u9762\u6027\u53c8\u5c06\u5982\u4f55\u5f71\u54cd\u8d1f\u8f7d\u5747\u8861\u7684\u51b3\u7b56\uff1f\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e00\u6280\u672f\u95ed\u73af\u7684\u903b\u8f91\u4e0e\u5b9e\u8df5\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6-\u6d1e\u5bdf\u6d41\u91cf\u7684-\u773c\u775b\">\u4e00\u3001<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6<\/a>\uff1a\u6d1e\u5bdf\u6d41\u91cf\u7684\u201c\u773c\u775b\u201d<\/h3>\n<p><strong>\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6<\/strong>\u662f\u7f51\u7edc\u7ba1\u7406\u7684\u57fa\u77f3\uff0c\u5176\u672c\u8d28\u662f\u901a\u8fc7\u786c\u4ef6\u6216\u8f6f\u4ef6\u5de5\u5177\uff0c\u5b9e\u65f6\u6355\u83b7\u3001\u8bb0\u5f55\u5e76\u5206\u6790\u7f51\u7edc\u4e2d\u4f20\u8f93\u7684\u6570\u636e\u5305\u4fe1\u606f\u3002\u5e38\u89c1\u7684\u91c7\u96c6\u6280\u672f\u5305\u62ec<strong>NetFlow<\/strong>\u3001<strong>sFlow<\/strong>\u3001<strong>SNMP\u534f\u8bae<\/strong>\u4ee5\u53ca\u6df1\u5ea6\u5305\u68c0\u6d4b\uff08DPI\uff09\u7b49\u3002\u8fd9\u4e9b\u6280\u672f\u80fd\u591f\u4ece\u4e0d\u540c\u7ef4\u5ea6\u63d0\u53d6\u6d41\u91cf\u7279\u5f81\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u6d41\u91cf\u6765\u6e90\u4e0e\u76ee\u7684\u5730<\/strong>\uff08IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\uff09\uff1b\n<\/li>\n<li><strong>\u534f\u8bae\u7c7b\u578b<\/strong>\uff08HTTP\u3001TCP\u3001UDP\u7b49\uff09\uff1b\n<\/li>\n<li><strong>\u5e26\u5bbd\u5360\u7528\u7387<\/strong>\u4e0e<strong>\u6570\u636e\u5305\u5ef6\u8fdf<\/strong>\uff1b\n<\/li>\n<li><strong>\u5f02\u5e38\u884c\u4e3a\u6a21\u5f0f<\/strong>\uff08\u5982DDoS\u653b\u51fb\u7279\u5f81\uff09\u3002\n<\/li>\n<\/ul>\n<p><em>\u4ee5NetFlow\u4e3a\u4f8b<\/em>\uff0c\u5176\u901a\u8fc7\u7edf\u8ba1\u6d41\u7ecf\u8def\u7531\u5668\u7684\u6570\u636e\u6d41\u4fe1\u606f\uff0c\u751f\u6210\u5305\u542b\u4f1a\u8bdd\u6301\u7eed\u65f6\u95f4\u3001\u5b57\u8282\u6570\u7b49\u5173\u952e\u6307\u6807\u7684\u62a5\u8868\uff0c\u4e3a\u7f51\u7edc\u7ba1\u7406\u5458\u63d0\u4f9b\u5168\u5c40\u6d41\u91cf\u89c6\u56fe\u3002\u8fd9\u79cd<strong>\u6570\u636e\u9a71\u52a8\u7684\u6d1e\u5bdf\u529b<\/strong>\uff0c\u6b63\u662f\u8d1f\u8f7d\u5747\u8861\u7cfb\u7edf\u5b9e\u73b0\u667a\u80fd\u8c03\u5ea6\u7684\u5148\u51b3\u6761\u4ef6\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u8d1f\u8f7d\u5747\u8861\u7684\u6838\u5fc3\u6311\u6218-\u52a8\u6001\u73af\u5883\u4e0b\u7684\u7cbe\u51c6\u51b3\u7b56\">\u4e8c\u3001\u8d1f\u8f7d\u5747\u8861\u7684\u6838\u5fc3\u6311\u6218\uff1a\u52a8\u6001\u73af\u5883\u4e0b\u7684\u7cbe\u51c6\u51b3\u7b56<\/h3>\n<p>\u8d1f\u8f7d\u5747\u8861\u7684\u76ee\u6807\u662f\u901a\u8fc7\u5408\u7406\u5206\u914d\u8bf7\u6c42\u6d41\u91cf\uff0c\u907f\u514d\u5355\u70b9\u8fc7\u8f7d\uff0c\u540c\u65f6\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002\u7136\u800c\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u9762\u4e34\u591a\u91cd\u6311\u6218\uff1a<\/p>\n<ol>\n<li><strong>\u6d41\u91cf\u6ce2\u52a8\u4e0d\u53ef\u9884\u6d4b<\/strong>\uff1a\u4f8b\u5982\u7535\u5546\u5927\u4fc3\u671f\u95f4\u6d41\u91cf\u53ef\u80fd\u77ac\u95f4\u6fc0\u589e10\u500d\uff1b\n<\/li>\n<li><strong>\u670d\u52a1\u5f02\u6784\u6027<\/strong>\uff1a\u4e0d\u540c\u4e1a\u52a1\uff08\u5982API\u63a5\u53e3\u4e0e\u89c6\u9891\u4f20\u8f93\uff09\u5bf9\u8d44\u6e90\u7684\u9700\u6c42\u5dee\u5f02\u663e\u8457\uff1b\n<\/li>\n<li><strong>\u5b9e\u65f6\u6027\u8981\u6c42<\/strong>\uff1a\u6beb\u79d2\u7ea7\u7684\u5ef6\u8fdf\u6ce2\u52a8\u53ef\u80fd\u5bfc\u81f4\u7528\u6237\u4f53\u9a8c\u4e0b\u964d\u751a\u81f3\u4ea4\u6613\u5931\u8d25\u3002\n<\/li>\n<\/ol>\n<p>\u4f20\u7edf\u9759\u6001\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff08\u5982\u8f6e\u8be2\u6216\u968f\u673a\u5206\u914d\uff09\u96be\u4ee5\u5e94\u5bf9\u4e0a\u8ff0\u590d\u6742\u573a\u666f\u3002\u6b64\u65f6\uff0c<strong>\u57fa\u4e8e\u5b9e\u65f6\u6d41\u91cf\u91c7\u96c6\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861<\/strong>\u6210\u4e3a\u5fc5\u7136\u9009\u62e9\u3002<\/p>\n<hr>\n<h3 id=\"\u4e09-\u6d41\u91cf\u91c7\u96c6\u5982\u4f55\u8d4b\u80fd\u8d1f\u8f7d\u5747\u8861\">\u4e09\u3001\u6d41\u91cf\u91c7\u96c6\u5982\u4f55\u8d4b\u80fd\u8d1f\u8f7d\u5747\u8861\uff1f<\/h3>\n<h4 id=\"1-\u5b9e\u65f6\u76d1\u63a7\u4e0e\u52a8\u6001\u8c03\u5ea6\">1. <strong>\u5b9e\u65f6\u76d1\u63a7\u4e0e\u52a8\u6001\u8c03\u5ea6<\/strong><\/h4>\n<p>\u901a\u8fc7\u6301\u7eed\u91c7\u96c6\u6d41\u91cf\u6570\u636e\uff0c\u8d1f\u8f7d\u5747\u8861\u5668\u53ef\u4ee5\u5b9e\u65f6\u611f\u77e5\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u5065\u5eb7\u72b6\u6001\u4e0e\u8d1f\u8f7d\u6c34\u5e73\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5f53\u67d0\u53f0\u670d\u52a1\u5668\u7684CPU\u4f7f\u7528\u7387\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u5c06\u65b0\u8bf7\u6c42\u5bfc\u5411\u7a7a\u95f2\u8282\u70b9\uff1b\n<\/li>\n<li>\u7ed3\u5408<strong>\u5730\u7406\u4f4d\u7f6e\u6570\u636e<\/strong>\uff0c\u4f18\u5148\u5c06\u7528\u6237\u8bf7\u6c42\u5206\u53d1\u81f3\u7269\u7406\u8ddd\u79bb\u6700\u8fd1\u7684\u670d\u52a1\u5668\uff0c\u964d\u4f4e\u5ef6\u8fdf\u3002<br \/>\n<em>\u67d0\u4e91\u670d\u52a1\u5546\u7684\u6848\u4f8b\u663e\u793a<\/em>\uff0c\u901a\u8fc7\u5f15\u5165\u5b9e\u65f6\u6d41\u91cf\u5206\u6790\uff0c\u5176API\u670d\u52a1\u7684\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u7f29\u77ed\u4e8640%\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u6d41\u91cf\u7279\u5f81\u8bc6\u522b\u4e0e\u7b97\u6cd5\u4f18\u5316\">2. <strong>\u6d41\u91cf\u7279\u5f81\u8bc6\u522b\u4e0e\u7b97\u6cd5\u4f18\u5316<\/strong><\/h4>\n<p>\u6d41\u91cf\u91c7\u96c6\u4e0d\u4ec5\u80fd\u7edf\u8ba1\u5e26\u5bbd\u5360\u7528\uff0c\u8fd8\u80fd\u8bc6\u522b\u4e1a\u52a1\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u89c6\u9891\u6d41\u5a92\u4f53\u9700\u8981\u9ad8\u5e26\u5bbd\u4f46\u5bb9\u5fcd\u4e00\u5b9a\u5ef6\u8fdf\uff1b\n<\/li>\n<li>\u91d1\u878d\u4ea4\u6613\u8bf7\u6c42\u5bf9\u5ef6\u8fdf\u6781\u5ea6\u654f\u611f\uff0c\u4f46\u6570\u636e\u91cf\u8f83\u5c0f\u3002<br \/>\n\u57fa\u4e8e\u8fd9\u4e9b\u7279\u5f81\uff0c\u8d1f\u8f7d\u5747\u8861\u5668\u53ef\u52a8\u6001\u8c03\u6574\u8c03\u5ea6\u7b97\u6cd5\u3002\u4f8b\u5982\uff0c<strong>\u52a0\u6743\u6700\u5c0f\u8fde\u63a5\u7b97\u6cd5<\/strong>\uff08Weighted Least Connections\uff09\u7ed3\u5408\u670d\u52a1\u5668\u6027\u80fd\u6743\u91cd\uff0c\u4f18\u5148\u5c06\u8bf7\u6c42\u5206\u914d\u7ed9\u5904\u7406\u80fd\u529b\u66f4\u5f3a\u7684\u8282\u70b9\u3002\n<\/li>\n<\/ul>\n<h4 id=\"3-\u5f02\u5e38\u6d41\u91cf\u9694\u79bb\u4e0e\u5b89\u5168\u9632\u5fa1\">3. <strong>\u5f02\u5e38\u6d41\u91cf\u9694\u79bb\u4e0e\u5b89\u5168\u9632\u5fa1<\/strong><\/h4>\n<p>\u6d41\u91cf\u91c7\u96c6\u6280\u672f\u53ef\u5feb\u901f\u8bc6\u522bDDoS\u653b\u51fb\u3001\u6076\u610f\u722c\u866b\u7b49\u5f02\u5e38\u6d41\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5f53\u68c0\u6d4b\u5230\u67d0IP\u5730\u5740\u5728\u77ed\u65f6\u95f4\u5185\u53d1\u8d77\u6570\u5343\u6b21\u8bf7\u6c42\uff0c\u7cfb\u7edf\u53ef\u81ea\u52a8\u5c06\u5176\u6d41\u91cf\u5f15\u5bfc\u81f3\u6e05\u6d17\u4e2d\u5fc3\uff1b\n<\/li>\n<li>\u7ed3\u5408\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u9884\u6d4b\u6f5c\u5728\u653b\u51fb\u6a21\u5f0f\u5e76\u63d0\u524d\u8c03\u6574\u8d44\u6e90\u5206\u914d\u7b56\u7565\u3002<br \/>\n<em>\u7814\u7a76\u8868\u660e<\/em>\uff0c\u878d\u5408\u6d41\u91cf\u91c7\u96c6\u7684\u5b89\u5168\u9632\u62a4\u673a\u5236\u53ef\u5c06\u653b\u51fb\u5bfc\u81f4\u7684\u4e1a\u52a1\u4e2d\u65ad\u65f6\u95f4\u51cf\u5c1170%\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u56db-\u5b9e\u8df5\u573a\u666f-\u4ece\u6570\u636e\u5230\u51b3\u7b56\u7684\u95ed\u73af\">\u56db\u3001\u5b9e\u8df5\u573a\u666f\uff1a\u4ece\u6570\u636e\u5230\u51b3\u7b56\u7684\u95ed\u73af<\/h3>\n<h4 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