{"id":27873,"date":"2025-12-01T12:26:23","date_gmt":"2025-12-01T04:26:23","guid":{"rendered":"https:\/\/www.varidata.com\/?p=27873"},"modified":"2025-12-01T12:26:23","modified_gmt":"2025-12-01T04:26:23","slug":"hong-kong-server-frequent-downtime-diagnosis","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/hong-kong-server-frequent-downtime-diagnosis\/","title":{"rendered":"\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u8bca\u65ad"},"content":{"rendered":"\n<p>\u5bf9\u4e8e\u7ba1\u7406\u8de8\u5883\u4e1a\u52a1\u7684\u6280\u672f\u56e2\u961f\u800c\u8a00\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u7edd\u975e\u7b80\u5355\u6545\u969c\u2014\u2014\u5b83\u4f1a\u5bfc\u81f4\u7535\u5546\u7ed3\u8d26\u6d41\u7a0b\u4e2d\u65ad\u3001\u5168\u7403\u5e94\u7528\u7684API\u8fde\u63a5\u65ad\u5f00\uff0c\u8fd8\u4f1a\u635f\u5bb3\u4e2d\u56fd\u5927\u9646\u53ca\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u4fe1\u4efb\u3002\u9664\u76f4\u63a5\u8425\u6536\u635f\u5931\u5916\uff0c\u975e\u8ba1\u5212\u505c\u673a\u8fd8\u53ef\u80fd\u5bfc\u81f4<a href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-about-seo-optimization-for-hong-kong-server-hosting\/\" target=\"_blank\">\u641c\u7d22\u5f15\u64ce\u6392\u540d<\/a>\u4e0b\u6ed1\uff08\u8c37\u6b4c\u4f1a\u60e9\u7f5a\u53ef\u7528\u6027\u4e0d\u7a33\u5b9a\u7684\u7ad9\u70b9\uff09\uff0c\u8feb\u4f7f\u5de5\u7a0b\u5e08\u9677\u5165\u88ab\u52a8\u6551\u706b\u6a21\u5f0f\u3002\u89e3\u51b3\u4e4b\u9053\u5e76\u975e\u76f2\u76ee\u91cd\u542f\u6216\u66f4\u6362\u786c\u4ef6\uff0c\u800c\u662f\u9488\u5bf9\u9999\u6e2f\u72ec\u7279\u7684\u7f51\u7edc\u751f\u6001\uff0c\u5bf9\u6839\u672c\u539f\u56e0\u8fdb\u884c\u7cfb\u7edf\u6027\u8bca\u65ad\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u62c6\u89e3\u5982\u4f55\u5b9a\u4f4d\u95ee\u9898\uff08\u4ece\u786c\u4ef6\u8001\u5316\u5230\u8de8\u5883\u94fe\u8def\u6ce2\u52a8\uff09\u5e76\u5f7b\u5e95\u89e3\u51b3\uff0c\u6838\u5fc3\u56f4\u7ed5<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/\" target=\"_blank\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9891\u7e41\u5b95\u673a\u8bca\u65ad\u5c55\u5f00\u3002<\/p>\n<h2><strong>\u4e00\u3001\u6839\u6e90\u89e3\u6790\uff1a\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u7684\u6838\u5fc3\u8bf1\u56e0<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u533a\u57df\u79d1\u6280\u67a2\u7ebd\uff0c\u5176\u670d\u52a1\u5668\u90e8\u7f72\u9762\u4e34\u72ec\u7279\u7684\u6545\u969c\u98ce\u9669\u3002\u4e0e\u5355\u4e00\u5e02\u573a\u533a\u57df\u7684\u670d\u52a1\u5668\u4e0d\u540c\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u9700\u627f\u53d7\u8de8\u5883\u6d41\u91cf\u538b\u529b\u3001\u5bc6\u96c6\u7684\u6570\u636e\u4e2d\u5fc3\u96c6\u7fa4\u8d1f\u8f7d\u53ca\u5b63\u8282\u6027\u6c14\u5019\u5f71\u54cd\u3002\u4ee5\u4e0b\u662f\u6280\u672f\u56e2\u961f\u5e38\u5ffd\u7565\u7684\u4e3b\u8981\u75c7\u7ed3\uff1a<\/p>\n<h3>\u786c\u4ef6\u6545\u969c\uff1a\u9690\u5f62\u635f\u8017\u6e90<\/h3>\n<ul>\n<li>\u5b58\u50a8\u95ee\u9898\uff1a\u673a\u68b0\u786c\u76d8\uff08HDD\uff09\u4f7f\u75283-5\u5e74\u540e\u6613\u51fa\u73b0\u574f\u9053\uff1b\u56fa\u6001\u786c\u76d8\uff08SSD\uff09\u4f1a\u8fbe\u5230\u78e8\u635f\u5747\u8861\u4e0a\u9650\uff08\u53ef\u901a\u8fc7SMART\u5c5e\u6027\u5982177\u6216233\u8fdb\u884c\u68c0\u6d4b\uff09\u3002<\/li>\n<li>\u7535\u6e90\/\u6563\u70ed\u8282\u6d41\uff1a\u9999\u6e2f\u4e9a\u70ed\u5e26\u6c14\u5019\u4f1a\u7ed9\u6570\u636e\u4e2d\u5fc3\u51b7\u5374\u7cfb\u7edf\u5e26\u6765\u538b\u529b\u2014\u2014\u6545\u969c\u98ce\u6247\u6216\u989d\u5b9a\u529f\u7387\u4e0d\u8db3\u7684\u7535\u6e90\uff08PSU\uff09\u5728\u590f\u5b63\u9ad8\u5cf0\u65f6\u6bb5\u6613\u5f15\u53d1\u610f\u5916\u5173\u673a\u3002<\/li>\n<li>\u7ec4\u4ef6\u4e0d\u517c\u5bb9\uff1a\u4e3a\u8282\u7701\u6210\u672c\u7684\u81ea\u884c\u7ec4\u88c5\u65b9\u6848\uff08\u8f83\u4e3a\u5e38\u89c1\uff09\u5e38\u51fa\u73b0\u4e3b\u677f\u4e0e\u5185\u5b58\u4e0d\u517c\u5bb9\u95ee\u9898\uff0c\u5bfc\u81f4\u95f4\u6b47\u6027\u5f00\u673a\u81ea\u68c0\uff08POST\uff09\u5931\u8d25\u3002<\/li>\n<\/ul>\n<h3>\u7f51\u7edc\u6ce2\u52a8\uff1a\u8de8\u5883\u94fe\u8def\u98ce\u9669<\/h3>\n<ul>\n<li>\u56fd\u9645\u5e26\u5bbd\u9971\u548c\uff1a\u9ad8\u5cf0\u65f6\u6bb5\uff08\u9999\u6e2f\u65f6\u95f4\u4e0a\u53489\u70b9-\u4e0b\u53485\u70b9\uff09\uff0c\u9999\u6e2f\u9762\u5411\u4e2d\u56fd\u5927\u9646\u7684\u94fe\u8def\u5229\u7528\u7387\u8fbe80%-90%\uff0c\u5bfc\u81f4\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u51fa\u73b0\u6570\u636e\u5305\u4e22\u5931\u3002<\/li>\n<li>\u8def\u7531\u52ab\u6301\u6216\u91cd\u5b9a\u5411\uff1a\u9646\u6e2f\u9aa8\u5e72\u7f51\u670d\u52a1\u5546\u6709\u65f6\u4f1a\u672a\u7ecf\u901a\u77e5\u8c03\u6574\u8def\u7531\uff0c\u4e2d\u65ad\u957f\u8fde\u63a5\uff08\u53ef\u901a\u8fc7<code>traceroute<\/code>\u547d\u4ee4\u68c0\u6d4b\u8df3\u6570\u5ef6\u8fdf\u7a81\u53d8\uff09\u3002<\/li>\n<li>\u672c\u5730\u4ea4\u6362\u673a\u6545\u969c\uff1a\u5c0f\u578b\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u5e38\u590d\u7528\u8001\u65e7\u7684\u4e8c\u5c42\u4ea4\u6362\u673a\uff0c\u6613\u5f15\u53d1\u5e7f\u64ad\u98ce\u66b4\uff0c\u5bfc\u81f4\u6574\u4e2a\u673a\u67b6\u670d\u52a1\u5668\u762b\u75ea\u3002<\/li>\n<\/ul>\n<h3>\u8f6f\u4ef6\u4e0e\u8d1f\u8f7d\u95ee\u9898\uff1a\u9690\u5f62\u8d1f\u62c5<\/h3>\n<ul>\n<li>\u8d44\u6e90\u7ade\u4e89\uff1a\u672a\u4f18\u5316\u7684\u6570\u636e\u5e93\uff08\u5982\u65e0\u7d22\u5f15\u7684MySQL\u67e5\u8be2\uff09\u6216Node.js\u5e94\u7528\u4e2d\u7684\u5185\u5b58\u6cc4\u6f0f\uff0c\u53ef\u80fd\u5728\u51e0\u5206\u949f\u5185\u5bfc\u81f4CPU\/\u5185\u5b58\u5360\u7528\u7387\u98d9\u5347\u81f3100%\u3002<\/li>\n<li>\u672a\u4fee\u8865\u6f0f\u6d1e\uff1a\u8fc7\u65f6\u7684Linux\u5185\u6838\uff08\u5982CVE-2023-xxxxx\u6f0f\u6d1e\uff09\u6216\u672a\u66f4\u65b0\u7684Nginx\u7248\u672c\uff0c\u6613\u88ab\u62d2\u7edd\u670d\u52a1\uff08DoS\uff09\u653b\u51fb\u5229\u7528\uff0c\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83\u3002<\/li>\n<li>\u914d\u7f6e\u6f02\u79fb\uff1a\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u5e38\u89c1\u7684\u9632\u706b\u5899\u89c4\u5219\u624b\u52a8\u4fee\u6539\u6216PHP-FPM\u53c2\u6570\u8c03\u6574\uff0c\u5f80\u5f80\u4f1a\u5f15\u5165\u51b2\u7a81\u89c4\u5219\uff0c\u963b\u65ad\u6b63\u5e38\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h3>\u6570\u636e\u4e2d\u5fc3\u4e0e\u670d\u52a1\u5546\u7f3a\u9677<\/h3>\n<ul>\n<li>\u4e0d\u95f4\u65ad\u7535\u6e90\uff08UPS\uff09\u6545\u969c\uff1a\u7ecf\u6d4e\u578b\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u4f7f\u75285-10\u5e74\u7684\u8001\u65e7UPS\u7cfb\u7edf\uff0c\u65e0\u6cd5\u62b5\u5fa1\u53f0\u98ce\u671f\u95f4\u7684\u505c\u7535\uff08Tier 3\u53ca\u4ee5\u4e0a\u7ea7\u522b\u673a\u623f\u53ef\u907f\u514d\u6b64\u95ee\u9898\uff09\u3002<\/li>\n<li>\u8d85\u552e\u884c\u4e3a\uff1a\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u5546\u5e38\u8fc7\u5ea6\u5206\u914d\u5e26\u5bbd\u6216CPU\u6838\u5fc3\uff0c\u5bfc\u81f4\u5e26\u5bbd\u8282\u6d41\uff0c\u5bf9\u7ec8\u7aef\u7528\u6237\u800c\u8a00\u7b49\u540c\u4e8e\u5b95\u673a\u3002<\/li>\n<li>\u7eaf\u8fdc\u7a0b\u652f\u6301\uff1a\u65e0\u9999\u6e2f\u672c\u5730\u6280\u672f\u4eba\u5458\u7684\u670d\u52a1\u5546\uff0c\u89e3\u51b3\u786c\u4ef6\u95ee\u9898\u97004-8\u5c0f\u65f6\uff08\u800c\u73b0\u573a\u56e2\u961f\u4ec5\u97001-2\u5c0f\u65f6\uff09\u3002<\/li>\n<\/ul>\n<h2><strong>\u4e8c\u3001\u5206\u6b65\u8bca\u65ad\uff1a\u7cbe\u51c6\u5b9a\u4f4d\u5b95\u673a\u539f\u56e0\u7684\u5b9e\u64cd\u6d41\u7a0b<\/strong><\/h2>\n<p>\u8bca\u65ad\u9999\u6e2f\u670d\u52a1\u5668\u5b95\u673a\u9700\u9075\u5faa\u7cfb\u7edf\u5316\u65b9\u6cd5\u2014\u2014\u5148\u901a\u8fc7\u5feb\u901f\u68c0\u67e5\u6392\u9664\u7b80\u5355\u95ee\u9898\uff0c\u518d\u6df1\u5165\u6280\u672f\u5206\u6790\u3002\u6309\u4ee5\u4e0b\u6d41\u7a0b\u64cd\u4f5c\u53ef\u907f\u514d\u76f2\u76ee\u731c\u6d4b\uff1a<\/p>\n<ol>\n<li>\n            <strong>\u786e\u8ba4\u5b95\u673a\u771f\u5b9e\u6027\uff0810\u5206\u949f\uff09<\/strong><\/p>\n<p>\u9996\u5148\u6392\u9664\u8bef\u62a5\u3002\u7528\u6237\u53cd\u9988\u7684\u201c\u5b95\u673a\u201d\u53ef\u80fd\u53ea\u662f\u672c\u5730\u7f51\u7edc\u95ee\u9898\uff0c\u53ef\u501f\u52a9\u4ee5\u4e0b\u5de5\u5177\u9a8c\u8bc1\uff1a<\/p>\n<ul>\n<li>\u6267\u884c<code>ping -c 10 [\u670d\u52a1\u5668IP]<\/code>\uff08Linux\/macOS\u7cfb\u7edf\uff09\u6216<code>ping -n 10 [\u670d\u52a1\u5668IP]<\/code>\uff08Windows\u7cfb\u7edf\uff09\uff0c\u68c0\u67e5\u57fa\u7840\u8fde\u901a\u6027\u3002<\/li>\n<li>\u591a\u533a\u57df\u6d4b\u8bd5\uff1a\u4f7f\u7528\u9999\u6e2f\u672c\u5730\u5de5\u5177\uff08\u5982ping.hk\uff09\u548c\u4e2d\u56fd\u5927\u9646\u5de5\u5177\uff08\u5982\u7ad9\u957f\u5de5\u5177\uff09\uff0c\u6392\u9664\u533a\u57df\u94fe\u8def\u95ee\u9898\u3002<\/li>\n<li>\u670d\u52a1\u7279\u5f02\u6027\u68c0\u6d4b\uff1a\u901a\u8fc7<code>telnet [\u670d\u52a1\u5668IP] [\u7aef\u53e3]<\/code>\uff08\u5982HTTP\u670d\u52a1\u752880\u7aef\u53e3\u3001MySQL\u75283306\u7aef\u53e3\uff09\uff0c\u5224\u65ad\u662f\u5426\u4ec5\u5355\u4e2a\u670d\u52a1\u5b95\u673a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u8bca\u65ad\u786c\u4ef6\u5065\u5eb7\u72b6\u6001\uff0830\u5206\u949f\uff09<\/strong><\/p>\n<p>\u786c\u4ef6\u6545\u969c\u901a\u5e38\u5177\u6709\u95f4\u6b47\u6027\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6355\u6349\uff1a<\/p>\n<ul>\n<li>\u8fdc\u7a0b\u7ba1\u7406\u8bbf\u95ee\uff1a\u901a\u8fc7IPMI\/iDRAC\u63a5\u53e3\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\uff0c\u6392\u67e5\u6563\u70ed\u5173\u673a\u6216\u7535\u6e90\u9519\u8bef\uff08\u5173\u6ce8\u201c\u8fc7\u70ed\u201d\u201c\u7535\u6e90\u4e2d\u65ad\u201d\u76f8\u5173\u8bb0\u5f55\uff09\u3002<\/li>\n<li>\u5b58\u50a8\u68c0\u6d4b\uff1a\u4f7f\u7528<code>smartctl -a \/dev\/sda<\/code>\uff08Linux\u7cfb\u7edf\uff09\u68c0\u67e5\u786c\u76d8\u5065\u5eb7\u72b6\u6001\u2014\u2014\u91cd\u70b9\u5173\u6ce8\u201c\u9884\u6545\u969c\u201d\u72b6\u6001\u548c\u201c\u5f53\u524d\u5f85\u6620\u5c04\u6247\u533a\u201d\u8ba1\u6570\u3002<\/li>\n<li>\u7ec4\u4ef6\u9a8c\u8bc1\uff1a\u901a\u8fc7\u53ef\u5f15\u5bfcU\u76d8\u8fd0\u884c<code>memtest86+<\/code>\u6d4b\u8bd5\u5185\u5b58\uff08\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u6df7\u5408\u5185\u5b58\u6a21\u7ec4\u65f6\uff0c\u5185\u5b58\u6545\u969c\u8f83\u4e3a\u5e38\u89c1\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u5206\u6790\u7f51\u7edc\u5065\u5eb7\u72b6\u6001\uff0845\u5206\u949f\uff09<\/strong><\/p>\n<p>\u9999\u6e2f\u8de8\u5883\u94fe\u8def\u662f\u6700\u5e38\u89c1\u7684\u6545\u969c\u8bf1\u56e0\uff0c\u6309\u4ee5\u4e0b\u65b9\u5f0f\u5ba1\u8ba1\uff1a<\/p>\n<ul>\n<li>\u8def\u7531\u8ffd\u8e2a\uff1a\u4ece\u4e2d\u56fd\u5927\u9646\u548c\u9999\u6e2f\u4e24\u5730\u6267\u884c<code>traceroute [\u670d\u52a1\u5668IP]<\/code>\uff0c\u6392\u67e5\u5ef6\u8fdf\u8d85\u8fc7100\u6beb\u79d2\u6216\u4e22\u5305\u738710%\u4ee5\u4e0a\u7684\u8df3\u6570\u3002<\/li>\n<li>\u5e26\u5bbd\u4f7f\u7528\u68c0\u67e5\uff1a\u901a\u8fc7<code>iftop<\/code>\uff08Linux\u7cfb\u7edf\uff09\u6216\u4efb\u52a1\u7ba1\u7406\u5668\uff08Windows\u7cfb\u7edf\uff09\uff0c\u89c2\u5bdf\u5e26\u5bbd\u662f\u5426\u6301\u7eed\u5904\u4e8e95%\u4ee5\u4e0a\u7684\u9971\u548c\u72b6\u6001\u3002<\/li>\n<li>DNS\u9a8c\u8bc1\uff1a\u4f7f\u7528<code>nslookup [\u57df\u540d]<\/code>\u786e\u8ba4DNS\u8bb0\u5f55\u662f\u5426\u6307\u5411\u6b63\u786eIP\u2014\u2014IP\u53d8\u66f4\u540e\u7f13\u5b58\u8bb0\u5f55\u53ef\u80fd\u5bfc\u81f4\u201c\u5047\u6027\u5b95\u673a\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u5ba1\u8ba1\u8f6f\u4ef6\u4e0e\u8d1f\u8f7d\u60c5\u51b5\uff081\u5c0f\u65f6\uff09<\/strong><\/p>\n<p>\u8f6f\u4ef6\u95ee\u9898\u5e38\u4f2a\u88c5\u6210\u786c\u4ef6\u6216\u7f51\u7edc\u6545\u969c\uff0c\u9700\u6df1\u5165\u65e5\u5fd7\u548c\u6307\u6807\u5206\u6790\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7edf\u8d1f\u8f7d\u68c0\u67e5\uff1a\u901a\u8fc7<code>top<\/code>\uff08Linux\u7cfb\u7edf\uff09\u6216\u8d44\u6e90\u76d1\u89c6\u5668\uff08Windows\u7cfb\u7edf\uff09\u67e5\u770bCPU\/\u5185\u5b58\u5cf0\u503c\uff08\u6309%CPU\u6392\u5e8f\u53ef\u5feb\u901f\u5b9a\u4f4d\u5f02\u5e38\u8fdb\u7a0b\uff09\u3002<\/li>\n<li>\u65e5\u5fd7\u5206\u6790\uff1a\u67e5\u770b<code>\/var\/log\/syslog<\/code>\uff08Linux\u7cfb\u7edf\uff09\u6216\u4e8b\u4ef6\u67e5\u770b\u5668\uff08Windows\u7cfb\u7edf\uff09\u4e2d\u7684\u5b95\u673a\u65f6\u95f4\u6233\u2014\u2014\u91cd\u70b9\u5173\u6ce8\u201c\u6bb5\u9519\u8bef\u201d\uff08\u5e94\u7528\u5d29\u6e83\uff09\u6216\u201c\u8fde\u63a5\u88ab\u62d2\u7edd\u201d\uff08\u9632\u706b\u5899\u963b\u65ad\uff09\u8bb0\u5f55\u3002<\/li>\n<li>\u914d\u7f6e\u6d4b\u8bd5\uff1a\u56de\u6eda\u8fd1\u671f\u53d8\u66f4\uff08\u5982<code>git checkout \/etc\/nginx\/nginx.conf<\/code>\uff09\uff0c\u89c2\u5bdf\u5b95\u673a\u662f\u5426\u505c\u6b62\u2014\u2014\u914d\u7f6e\u6f02\u79fb\u662f\u4e3b\u8981\u8bf1\u56e0\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u6392\u9664\u653b\u51fb\u56e0\u7d20\uff0830\u5206\u949f\uff09<\/strong><\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u662f\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff08DDoS\uff09\/CC\u653b\u51fb\u7684\u9ad8\u9891\u76ee\u6807\uff0c\u68c0\u6d4b\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u6a21\u5f0f\u68c0\u67e5\uff1a\u901a\u8fc7<code>tcpdump -i eth0<\/code>\u6355\u6349\u5f02\u5e38\u6d41\u91cf\uff08\u5982\u5355IP\u6bcf\u79d2\u53d1\u90011000+ UDP\u6570\u636e\u5305\uff09\u3002<\/li>\n<li>\u8bbf\u95ee\u65e5\u5fd7\u5206\u6790\uff1a\u9488\u5bf9Web\u670d\u52a1\u5668\uff0c\u641c\u7d22\u65e5\u5fd7\u4e2d\u540c\u4e00IP\u7684\u5927\u91cf404\u8bf7\u6c42\uff08CC\u653b\u51fb\u7279\u5f81\uff09\uff0c\u547d\u4ee4\u793a\u4f8b\uff1a<code>grep \"192.168.1.1\" \/var\/log\/nginx\/access.log | wc -l<\/code>\u3002<\/li>\n<li>\u9632\u706b\u5899\u89c4\u5219\u9a8c\u8bc1\uff1a\u786e\u8ba4\u9632\u706b\u5899\u672a\u8bef\u62e6\u5408\u6cd5\u6d41\u91cf\uff08Linux\u7cfb\u7edf\u53ef\u901a\u8fc7<code>iptables -L -v<\/code>\u67e5\u770b\u4e22\u5f03\u5305\u6570\u91cf\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u9a8c\u8bc1\u670d\u52a1\u5546\u6027\u80fd\uff0820\u5206\u949f\uff09<\/strong><\/p>\n<p>\u82e5\u4ee5\u4e0a\u68c0\u67e5\u5747\u65e0\u5f02\u5e38\uff0c\u95ee\u9898\u53ef\u80fd\u51fa\u5728\u670d\u52a1\u5668\u79df\u7528\/\u6258\u7ba1\u670d\u52a1\u5546\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u670d\u52a1\u5546\u72b6\u6001\u9875\uff1a\u6392\u67e5\u672a\u516c\u544a\u7684\u7ef4\u62a4\u64cd\u4f5c\uff08\u8bb8\u591a\u9999\u6e2f\u670d\u52a1\u5546\u4ec5\u5728\u6545\u969c\u540e\u66f4\u65b0\u72b6\u6001\u9875\uff09\u3002<\/li>\n<li>\u5907\u7528\u670d\u52a1\u5668\u6d4b\u8bd5\uff1a\u5728\u540c\u4e00\u670d\u52a1\u5546\uff08\u6216\u66f4\u6362\u5176\u4ed6\u670d\u52a1\u5546\uff09\u90e8\u7f72\u4e34\u65f6\u865a\u62df\u673a\uff0c\u89c2\u5bdf\u5b95\u673a\u662f\u5426\u590d\u73b0\u2014\u2014\u6392\u9664\u670d\u52a1\u5546\u5c42\u9762\u7684\u5168\u5c40\u95ee\u9898\u3002<\/li>\n<li>\u7d22\u53d6\u6307\u6807\u6570\u636e\uff1a\u8981\u6c42\u670d\u52a1\u5546\u63d0\u4f9b\u5e26\u5bbd\u5229\u7528\u7387\u56fe\u8868\u548c\u786c\u4ef6\u5065\u5eb7\u62a5\u544a\u2014\u2014\u62d2\u7edd\u63d0\u4f9b\u6570\u636e\u7684\u670d\u52a1\u5546\u9700\u8c28\u614e\u9009\u62e9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u4e09\u3001\u89e3\u51b3\u65b9\u6848\u4e0e\u9884\u9632\u63aa\u65bd\uff1a\u4fdd\u969c\u9999\u6e2f\u670d\u52a1\u5668\u7a33\u5b9a\u8fd0\u884c<\/strong><\/h2>\n<p>\u5b9a\u4f4d\u539f\u56e0\u540e\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6280\u672f\u5bfc\u5411\u65b9\u6848\u89e3\u51b3\u5b95\u673a\u95ee\u9898\uff0c\u5e76\u5efa\u7acb\u957f\u6548\u9884\u9632\u673a\u5236\uff1a<\/p>\n<h3>\u5373\u65f6\u95ee\u9898\u89e3\u51b3<\/h3>\n<ul>\n<li>\u786c\u4ef6\u6545\u969c\uff1a\u66f4\u6362\u6545\u969c\u7ec4\u4ef6\uff08\u9999\u6e2f\u670d\u52a1\u5668\u5efa\u8bae\u4f7f\u7528\u4f01\u4e1a\u7ea7\u786c\u76d8\uff0c\u8010\u70ed\u6027\u66f4\u5f3a\uff09\u3002\u670d\u52a1\u5668\u6258\u7ba1\u573a\u666f\u4e0b\uff0c\u5efa\u8bae\u914d\u7f6e\u73b0\u573a\u5907\u4ef6\u3002<\/li>\n<li>\u7f51\u7edc\u95ee\u9898\uff1a\u5347\u7ea7\u4e3a\u591a\u7ebf\u8def\u5e26\u5bbd\uff08\u5982\u6df7\u5408\u9999\u6e2f\u5bbd\u9891\u548c\u7535\u8baf\u76c8\u79d1\u94fe\u8def\uff09\uff0c\u907f\u514d\u5355\u70b9\u6545\u969c\u3002\u8de8\u5883\u6d41\u91cf\u53ef\u91c7\u7528\u4f18\u5316\u8def\u7531\uff08\u5982CN2\uff09\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li>\u8f6f\u4ef6\u95ee\u9898\uff1a\u4fee\u8865\u7cfb\u7edf\u6f0f\u6d1e\uff08Debian\/Ubuntu\u7cfb\u7edf\u7528<code>apt upgrade -y<\/code>\uff0cRHEL\u7cfb\u7edf\u7528<code>yum update -y<\/code>\uff09\uff0c\u4f18\u5316\u5e94\u7528\u6027\u80fd\uff08\u5982\u4e3aMySQL\u8868\u6dfb\u52a0\u7d22\u5f15\u3001\u4fee\u590d\u4ee3\u7801\u5185\u5b58\u6cc4\u6f0f\uff09\u3002<\/li>\n<li>\u653b\u51fb\u9632\u62a4\uff1a\u542f\u7528DDoS\u9632\u62a4\uff08\u4f7f\u7528\u9999\u6e2f\u672c\u5730\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3\uff09\uff0c\u62e6\u622a\u6076\u610fIP\uff08Linux\u7cfb\u7edf\u547d\u4ee4\uff1a<code>iptables -A INPUT -s [\u6076\u610fIP] -j DROP<\/code>\uff09\u3002<\/li>\n<\/ul>\n<h3>\u957f\u671f\u9884\u9632\u7b56\u7565<\/h3>\n<ul>\n<li>\u90e8\u7f72\u76d1\u63a7\u7cfb\u7edf\uff1a\u4f7f\u7528Prometheus + 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3\u53ca\u4ee5\u4e0a\u7ea7\u522b\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\uff0c\u9700\u5177\u5907\u672c\u5730\u6280\u672f\u56e2\u961f\u548c\u670d\u52a1\u7b49\u7ea7\u534f\u8bae\uff08SLA\uff09\u4fdd\u969c\uff08\u76ee\u6807\u53ef\u7528\u602799.99%\uff0c\u76f8\u5f53\u4e8e\u6bcf\u5e74\u5b95\u673a\u65f6\u95f4\u22644.38\u5c0f\u65f6\uff09\u3002<\/li>\n<li>\u6784\u5efa\u5197\u4f59\u67b6\u6784\uff1a\u5728\u4e24\u53f0\u9999\u6e2f\u670d\u52a1\u5668\u95f4\u914d\u7f6e\u8d1f\u8f7d\u5747\u8861\uff0c\u5b9e\u73b0\u6545\u969c\u65f6\u81ea\u52a8\u5207\u6362\u3002\u6570\u636e\u6bcf\u5c0f\u65f6\u5907\u4efd\u81f3\u5f02\u5730\u3002<\/li>\n<\/ul>\n<h2><strong>\u56db\u3001\u603b\u7ed3\uff1a\u7cbe\u901a\u9999\u6e2f\u670d\u52a1\u5668\u5b95\u673a\u8bca\u65ad<\/strong><\/h2>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u5e76\u975e\u4e0d\u53ef\u907f\u514d\u2014\u2014\u5b83\u662f\u786c\u4ef6\u3001\u7f51\u7edc\u6216\u8f6f\u4ef6\u95ee\u9898\u672a\u5f97\u5230\u89e3\u51b3\u7684\u5916\u5728\u8868\u73b0\u3002\u6280\u672f\u56e2\u961f\u901a\u8fc7\u7cfb\u7edf\u5316\u8bca\u65ad\u6d41\u7a0b\uff08\u4ece\u5b95\u673a\u786e\u8ba4\u5230\u670d\u52a1\u5546\u5ba1\u8ba1\uff09\uff0c\u53ef\u66f4\u5feb\u89e3\u51b3\u95ee\u9898\u5e76\u9632\u6b62\u590d\u53d1\u3002\u9700\u8c28\u8bb0\uff1a\u9999\u6e2f\u72ec\u7279\u7684\u8de8\u5883\u751f\u6001\u8981\u6c42\u5b9a\u5236\u5316\u89e3\u51b3\u65b9\u6848\uff0c\u5982\u591a\u7ebf\u8def\u5e26\u5bbd\u548c\u672c\u5730\u6280\u672f\u652f\u6301\u3002\u82e5\u8981\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\uff0c\u9700\u5c06\u4e3b\u52a8\u76d1\u63a7\u4e0e\u5b9a\u671f\u7ef4\u62a4\u76f8\u7ed3\u5408\uff0c\u5207\u52ff\u5728\u6570\u636e\u4e2d\u5fc3\u8d28\u91cf\u4e0a\u59a5\u534f\u3002\u5982\u679c\u4ecd\u5728\u56f0\u6270\u4e8e<strong>\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u8bca\u65ad<\/strong>\uff0c\u53ef\u4ece\u57fa\u7840\u64cd\u4f5c\u5165\u624b\uff1a\u6267\u884c<code>traceroute<\/code>\u547d\u4ee4\u3001\u68c0\u67e5SMART\u6570\u636e\u3001\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\u2014\u2014\u901a\u5e38\u51e0\u5c0f\u65f6\u5185\u5373\u53ef\u5b9a\u4f4d\u75c7\u7ed3\uff0c\u800c\u975e\u8017\u8d39\u6570\u5929\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u7ba1\u7406\u8de8\u5883\u4e1a\u52a1\u7684\u6280\u672f\u56e2\u961f\u800c\u8a00\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u7edd\u975e\u7b80\u5355\u6545\u969c\u2014\u2014\u5b83\u4f1a\u5bfc\u81f4\u7535\u5546\u7ed3\u8d26\u6d41\u7a0b\u4e2d\u65ad\u3001\u5168\u7403\u5e94\u7528\u7684API\u8fde\u63a5\u65ad\u5f00\uff0c\u8fd8\u4f1a\u635f\u5bb3\u4e2d\u56fd\u5927\u9646\u53ca\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u4fe1\u4efb\u3002\u9664\u76f4\u63a5\u8425\u6536\u635f\u5931\u5916\uff0c\u975e\u8ba1\u5212\u505c\u673a\u8fd8\u53ef\u80fd\u5bfc\u81f4\u641c\u7d22\u5f15\u64ce\u6392\u540d\u4e0b\u6ed1\uff08\u8c37\u6b4c\u4f1a\u60e9\u7f5a\u53ef\u7528\u6027\u4e0d\u7a33\u5b9a\u7684\u7ad9\u70b9\uff09\uff0c\u8feb\u4f7f\u5de5\u7a0b\u5e08\u9677\u5165\u88ab\u52a8\u6551\u706b\u6a21\u5f0f\u3002\u89e3\u51b3\u4e4b\u9053\u5e76\u975e\u76f2\u76ee\u91cd\u542f\u6216\u66f4\u6362\u786c\u4ef6\uff0c\u800c\u662f\u9488\u5bf9\u9999\u6e2f\u72ec\u7279\u7684\u7f51\u7edc\u751f\u6001\uff0c\u5bf9\u6839\u672c\u539f\u56e0\u8fdb\u884c\u7cfb\u7edf\u6027\u8bca\u65ad\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u62c6\u89e3\u5982\u4f55\u5b9a\u4f4d\u95ee\u9898\uff08\u4ece\u786c\u4ef6\u8001\u5316\u5230\u8de8\u5883\u94fe\u8def\u6ce2\u52a8\uff09\u5e76\u5f7b\u5e95\u89e3\u51b3\uff0c\u6838\u5fc3\u56f4\u7ed5\u9999\u6e2f\u670d\u52a1\u5668\u9891\u7e41\u5b95\u673a\u8bca\u65ad\u5c55\u5f00\u3002 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