{"id":33284,"date":"2026-09-17T10:00:00","date_gmt":"2026-09-17T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33284"},"modified":"2026-09-18T11:16:00","modified_gmt":"2026-09-18T03:16:00","slug":"server-bandwidth-iftop-nload","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/server-bandwidth-iftop-nload\/","title":{"rendered":"\u670d\u52a1\u5668\u5e26\u5bbd\u8dd1\u6ee1\u6392\u67e5\uff1aiftop \u4e0e nload \u5b9a\u4f4d\u5f02\u5e38\u6d41\u91cf\u6765\u6e90"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/iftop-nload-diagnosis-cover.webp\" alt=\"\u670d\u52a1\u5668\u5e26\u5bbd\u8dd1\u6ee1\u6392\u67e5\u5c01\u9762\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u5e26\u5bbd\uff08\u7f51\u7edc\u4f20\u8f93\u5bb9\u91cf\uff0c\u51b3\u5b9a\u5355\u4f4d\u65f6\u95f4\u5185\u80fd\u8fdb\u51fa\u670d\u52a1\u5668\u7684\u6570\u636e\u91cf\uff09\u8dd1\u6ee1\uff0c\u662f\u7ad9\u957f\u6700\u5bb9\u6613\u614c\u3001\u4e5f\u6700\u5bb9\u6613\u8bef\u5224\u7684\u6545\u969c\u4e4b\u4e00\uff1a\u7f51\u7ad9\u7a81\u7136\u6253\u4e0d\u5f00\uff0cSSH \u5361\u987f\u5230\u6572\u4e00\u4e2a\u547d\u4ee4\u8981\u7b49\u5341\u51e0\u79d2\uff0c\u7b2c\u4e00\u53cd\u5e94\u5f80\u5f80\u662f&#8221;\u670d\u52a1\u5668\u88ab\u6253\u4e86&#8221;\u6216\u8005&#8221;\u8be5\u5347\u7ea7\u914d\u7f6e\u4e86&#8221;\u3002\u4f46\u771f\u5b9e\u539f\u56e0\u53ef\u80fd\u53ea\u662f\u4e00\u4e2a\u538b\u7f29\u5305\u88ab\u641c\u7d22\u5f15\u64ce\u722c\u866b\u53cd\u590d\u6293\u53d6\u3001\u4e00\u6b21\u7ad9\u70b9\u955c\u50cf\u3001\u6216\u8005\u56fe\u7247\u76ee\u5f55\u5fd8\u4e86\u505a\u9632\u76d7\u94fe\u3002\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u6559\u4f60\u5982\u4f55\u7528 nload\uff08\u5b9e\u65f6\u5e26\u5bbd\u603b\u91cf\u76d1\u63a7\u5de5\u5177\uff09\u548c iftop\uff08\u6309\u8fde\u63a5\u5b9e\u65f6\u6392\u5e8f\u7684\u6d41\u91cf\u5206\u6790\u5de5\u5177\uff09\u8fd9\u4e24\u4e2a\u8f7b\u91cf\u5de5\u5177\uff0c\u5728\u5341\u51e0\u5206\u949f\u5185\u628a&#8221;\u6d41\u91cf\u5230\u5e95\u53bb\u54ea\u4e86&#8221;\u5b9a\u4f4d\u5230\u5177\u4f53\u8fdb\u7a0b\u548c\u5177\u4f53\u8fde\u63a5\uff0c\u5e2e\u52a9\u4f60\u533a\u5206&#8221;\u6b63\u5e38\u4e1a\u52a1\u589e\u957f&#8221;\u4e0e&#8221;\u5f02\u5e38\u6d41\u91cf&#8221;\uff0c\u518d\u51b3\u5b9a\u662f\u5904\u7f6e\u3001\u9650\u901f\u8fd8\u662f\u6269\u5bb9\u3002<\/p>\n<h2>\u5148\u5206\u6e05\u65b9\u5411\uff1a\u51fa\u7ad9\u8dd1\u6ee1\u548c\u5165\u7ad9\u8dd1\u6ee1\u662f\u4e24\u56de\u4e8b<\/h2>\n<p>\u6392\u67e5\u7684\u7b2c\u4e00\u6b65\u4e0d\u662f\u6025\u7740\u88c5\u5de5\u5177\uff0c\u800c\u662f\u5148\u786e\u8ba4\u6d41\u91cf\u65b9\u5411\u3002\u5728\u4e3b\u673a\u5546\u540e\u53f0\u6216\u8005\u76d1\u63a7\u9762\u677f\u91cc\uff0c\u5e26\u5bbd\u56fe\u901a\u5e38\u5206\u6210\u5165\u7ad9\uff08Inbound\uff0c\u5916\u90e8\u6d41\u5411\u670d\u52a1\u5668\u7684\u6d41\u91cf\uff09\u548c\u51fa\u7ad9\uff08Outbound\uff0c\u670d\u52a1\u5668\u6d41\u5411\u5916\u90e8\u7684\u6d41\u91cf\uff09\u4e24\u6761\u66f2\u7ebf\uff0c\u7edd\u5927\u591a\u6570&#8221;\u8dd1\u6ee1&#8221;\u95ee\u9898\u51fa\u5728\u51fa\u7ad9\u65b9\u5411\u3002\u8fd9\u4e24\u7c7b\u95ee\u9898\u7684\u5904\u7406\u601d\u8def\u5b8c\u5168\u4e0d\u540c\uff1a<\/p>\n<ul>\n<li><strong>\u51fa\u7ad9\u8dd1\u6ee1<\/strong>\uff1a\u591a\u4e0e\u7f51\u7ad9\u5185\u5bb9\u88ab\u5927\u91cf\u4e0b\u8f7d\u3001\u56fe\u7247\u88ab\u76d7\u94fe\u3001\u722c\u866b\u6293\u53d6\u5927\u6587\u4ef6\u3001\u670d\u52a1\u5668\u88ab\u5f53\u4f5c\u653b\u51fb\u6e90\u6709\u5173\uff0c\u672c\u7bc7\u7684\u91cd\u70b9\u573a\u666f\u3002<\/li>\n<li><strong>\u5165\u7ad9\u8dd1\u6ee1<\/strong>\uff1a\u591a\u4e0e\u906d\u53d7\u6d41\u91cf\u578b\u653b\u51fb\uff08\u5982 SYN Flood\u3001UDP \u53cd\u5c04\uff09\u6709\u5173\uff0c\u9700\u8981\u5728\u9632\u706b\u5899\u6216\u4e0a\u6e38\u505a\u8fc7\u6ee4\uff0c\u5355\u673a\u6392\u67e5\u624b\u6bb5\u6709\u9650\u3002<\/li>\n<\/ul>\n<p>\u53e6\u4e00\u4e2a\u5e38\u89c1\u8bef\u533a\u662f\u628a&#8221;\u5e26\u5bbd\u8dd1\u6ee1&#8221;\u548c&#8221;CPU \u8dd1\u6ee1&#8221;\u6df7\u4e3a\u4e00\u8c08\u3002\u5982\u679c\u4f60\u5728 SSH \u91cc\u6267\u884c <code>uptime<\/code> \u770b\u5230 load average \u53ea\u6709 0.5\uff0c\u4f46\u7f51\u7ad9\u4f9d\u7136\u5361\u6b7b\uff0c\u90a3\u57fa\u672c\u53ef\u4ee5\u786e\u8ba4\u74f6\u9888\u5728\u7f51\u7edc\u800c\u4e0d\u662f\u8ba1\u7b97\u8d44\u6e90\uff1b\u53cd\u8fc7\u6765\uff0c\u5982\u679c CPU \u957f\u671f 100%\uff0c\u5e26\u5bbd\u56fe\u53ef\u80fd\u53ea\u662f\u88ab\u62d6\u7d2f\u7684\u6b21\u8981\u75c7\u72b6\u3002\u5148\u82b1\u4e00\u5206\u949f\u5206\u6e05\u65b9\u5411\u548c\u74f6\u9888\u7c7b\u578b\uff0c\u540e\u9762\u7684\u6392\u67e5\u624d\u4e0d\u4f1a\u8d70\u5f2f\u8def\u3002\u5173\u4e8e\u670d\u52a1\u5668\u6574\u4f53\u7684\u6027\u80fd\u5224\u65ad\u65b9\u6cd5\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u4e4b\u524d\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u8fd0\u7ef4\u6587\u7ae0\u5206\u7c7b<\/a>\u3002<\/p>\n<h2>\u7528 nload \u786e\u8ba4\u603b\u91cf\uff1a\u73b0\u5728\u5230\u5e95\u8dd1\u4e86\u591a\u5c11<\/h2>\n<p>nload \u7684\u4ef7\u503c\u5728\u4e8e&#8221;\u5feb&#8221;\uff1a\u4e00\u6761\u547d\u4ee4\u5c31\u80fd\u770b\u5230\u6bcf\u5757\u7f51\u5361\u7684\u5b9e\u65f6\u5165\u7ad9\u3001\u51fa\u7ad9\u901f\u7387\u548c\u7d2f\u8ba1\u6d41\u91cf\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u914d\u7f6e\u3002\u5b83\u56de\u7b54\u7684\u95ee\u9898\u662f&#8221;\u73b0\u5728\u6d41\u91cf\u6709\u591a\u5927\u3001\u65b9\u5411\u662f\u54ea\u8fb9&#8221;\uff0c\u4f46\u4e0d\u4f1a\u544a\u8bc9\u4f60\u6d41\u91cf\u5c5e\u4e8e\u54ea\u4e2a\u8fde\u63a5\uff0c\u8fd9\u4e00\u6b65\u7559\u7ed9\u540e\u9762\u7684 iftop\u3002\u5b89\u88c5\u65b9\u5f0f\u56e0\u53d1\u884c\u7248\u800c\u5f02\uff1a<\/p>\n<pre><code class=\"language-bash\">apt install nload -y      # Debian \/ Ubuntu\nyum install nload -y      # CentOS 7 \/ AlmaLinux \/ Rocky\n<\/code><\/pre>\n<p>\u76f4\u63a5\u8fd0\u884c <code>nload<\/code> \u5373\u53ef\u8fdb\u5165\u5b9e\u65f6\u754c\u9762\uff0c\u6309\u5de6\u53f3\u65b9\u5411\u952e\u53ef\u4ee5\u5728\u591a\u5757\u7f51\u5361\u4e4b\u95f4\u5207\u6362\uff0c\u6309 <code>q<\/code> \u9000\u51fa\u3002\u754c\u9762\u4e0a\u534a\u90e8\u5206\u662f\u5165\u7ad9\u66f2\u7ebf\uff0c\u4e0b\u534a\u90e8\u5206\u662f\u51fa\u7ad9\u66f2\u7ebf\uff0c\u53f3\u4fa7\u4f1a\u7ed9\u51fa\u5f53\u524d\u901f\u7387\uff08Curr\uff09\u3001\u5e73\u5747\u503c\uff08Avg\uff09\u3001\u6700\u5c0f\u503c\uff08Min\uff09\u548c\u6700\u5927\u503c\uff08Max\uff09\u3002\u51e0\u4e2a\u5b9e\u6218\u5224\u8bfb\u6280\u5de7\uff1a<\/p>\n<ul>\n<li>\u5bf9\u6bd4\u5957\u9910\u5e26\u5bbd\uff1a\u4e00\u53f0\u6807\u79f0 100Mbps \u7684 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09<\/a>\uff0c\u5982\u679c\u51fa\u7ad9 Cur \u957f\u671f\u8d34\u7740 95Mbps \u4ee5\u4e0a\uff0c\u5c31\u662f&#8221;\u8dd1\u6ee1&#8221;\uff0c\u5148\u8bb0\u5f55\u5cf0\u503c\u548c\u6301\u7eed\u65f6\u95f4\u3002<\/li>\n<li>\u770b\u66f2\u7ebf\u5f62\u6001\uff1a\u767d\u5929\u9ad8\u5cf0\u7f13\u5347\u5c5e\u4e8e\u6b63\u5e38\u4e1a\u52a1\uff1b\u51cc\u6668\u4e09\u70b9\u4f9d\u7136\u6ee1\u901f\u3001\u66f2\u7ebf\u5e73\u6210\u4e00\u6761\u76f4\u7ebf\u7684\uff0c\u5927\u6982\u7387\u662f\u4e0b\u8f7d\u3001\u955c\u50cf\u6216\u5f02\u5e38\u7a0b\u5e8f\u3002<\/li>\n<li>\u7d2f\u8ba1\u6570\u636e\uff1a<code>nload -t 5000 -a 360000<\/code> \u628a\u5237\u65b0\u95f4\u9694\u8bbe\u4e3a 5 \u79d2\u3001\u5e73\u5747\u503c\u7a97\u53e3\u62c9\u5230 1 \u5c0f\u65f6\uff0c\u9002\u5408\u5224\u65ad&#8221;\u6301\u7eed\u6027\u8dd1\u6ee1&#8221;\u8fd8\u662f&#8221;\u77ac\u65f6\u7a81\u53d1&#8221;\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/nload-realtime-traffic-monitor.webp\" alt=\"nload \u5b9e\u65f6\u5e26\u5bbd\u76d1\u63a7\u754c\u9762\u793a\u610f\" loading=\"lazy\" \/><\/p>\n<p>\u5982\u679c\u670d\u52a1\u5668\u4e0a\u8fd8\u6ca1\u88c5\u4efb\u4f55\u76d1\u63a7\uff0c\u5efa\u8bae\u5728\u6392\u67e5\u7684\u540c\u65f6\u628a nload \u754c\u9762\u6302\u7740\uff0c\u5728\u53e6\u4e00\u4e2a SSH \u7a97\u53e3\u505a\u540e\u7eed\u64cd\u4f5c\uff0c\u968f\u65f6\u89c2\u5bdf\u9650\u901f\u548c\u5c01\u7981\u63aa\u65bd\u662f\u5426\u751f\u6548\u3002\u5355\u673a\u89c6\u89d2\u4e4b\u5916\uff0c\u66f4\u5b8c\u6574\u7684\u5bb9\u91cf\u89c4\u5212\u601d\u8def\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u5173\u4e8e <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316<\/a>\u7684\u4e13\u9898\u6587\u7ae0\u3002<\/p>\n<h2>\u7528 iftop \u5b9a\u4f4d\u6765\u6e90\uff1a\u6d41\u91cf\u5230\u5e95\u53bb\u54ea\u4e86<\/h2>\n<p>nload \u544a\u8bc9\u4f60&#8221;\u8dd1\u6ee1\u4e86&#8221;\uff0ciftop \u5219\u56de\u7b54&#8221;\u8c01\u5e72\u7684&#8221;\u3002\u5b83\u628a\u5f53\u524d\u6240\u6709\u7f51\u7edc\u8fde\u63a5\u6309\u5b9e\u65f6\u901f\u7387\u6392\u5e8f\uff0c\u9ed8\u8ba4\u6700\u4e0a\u9762\u5c31\u662f\u6d41\u91cf\u6700\u5927\u7684\u8fde\u63a5\u3002\u5b89\u88c5\u540c\u6837\u7b80\u5355\uff1a<\/p>\n<pre><code class=\"language-bash\">apt install iftop -y      # Debian \/ Ubuntu\nyum install iftop -y      # CentOS 7 \/ AlmaLinux \/ Rocky\n<\/code><\/pre>\n<p>\u8fd0\u884c\u65f6\u5efa\u8bae\u5e26\u4e0a\u53c2\u6570\uff1a<code>iftop -nNP -i eth0<\/code>\u3002\u5176\u4e2d <code>-n<\/code> \u7981\u6b62\u57df\u540d\u53cd\u89e3\u6790\uff08\u907f\u514d\u6392\u67e5\u65f6\u53cd\u5411 DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09\u67e5\u8be2\u628a SSH \u62d6\u5f97\u66f4\u5361\uff09\uff0c<code>-N<\/code> \u76f4\u63a5\u663e\u793a\u7aef\u53e3\u53f7\uff0c<code>-P<\/code> \u663e\u793a\u7aef\u53e3\u5bf9\u5e94\u7684\u670d\u52a1\uff0c<code>-i eth0<\/code> \u6307\u5b9a\u7f51\u5361\uff08\u591a\u7f51\u5361\u73af\u5883\u5fc5\u987b\u6307\u5b9a\uff0c\u5426\u5219\u770b\u5230\u7684\u662f\u805a\u5408\u6570\u636e\uff09\u3002\u8fdb\u5165\u754c\u9762\u540e\u6309 <code>S<\/code>\/<code>D<\/code> \u53ef\u4ee5\u5207\u6362\u6e90\u7aef\u53e3\u3001\u76ee\u6807\u7aef\u53e3\u7684\u663e\u793a\u4e0e\u6392\u5e8f\u3002\u754c\u9762\u4e0a\u65b9\u7684\u6761\u5f62\u56fe\u5b9e\u65f6\u663e\u793a\u6bcf\u4e2a\u8fde\u63a5\u7684\u6d41\u91cf\u5360\u6bd4\uff0c\u5e95\u90e8\u4e09\u884c\u5206\u522b\u662f\u63a5\u6536\u3001\u53d1\u9001\u3001\u603b\u8ba1\u7684\u5b9e\u65f6\u901f\u7387\u3002\u5224\u8bfb\u65f6\u76ef\u4f4f\u4e24\u4e2a\u4f4d\u7f6e\uff1a<\/p>\n<ul>\n<li><strong>\u6700\u4e0a\u65b9\u7684\u8fde\u63a5<\/strong>\uff1a=> \u8868\u793a\u53d1\u9001\u65b9\u5411\uff0c&lt;= \u8868\u793a\u63a5\u6536\u65b9\u5411\uff0c\u6761\u5f62\u56fe\u6700\u957f\u3001\u901f\u7387\u6570\u5b57\u6700\u5927\u7684\u5c31\u662f\u5f53\u524d&#8221;\u5403\u5e26\u5bbd&#8221;\u7684\u4e3b\u89d2\u3002<\/li>\n<li><strong>\u5e95\u90e8 Tx \u5cf0\u503c<\/strong>\uff1a\u5982\u679c\u53d1\u9001\u901f\u7387\u8fdc\u5927\u4e8e\u63a5\u6536\u901f\u7387\uff0c\u8bf4\u660e\u662f\u670d\u52a1\u5668\u4e3b\u52a8\u5f80\u5916\u53d1\u6570\u636e\uff0c\u91cd\u70b9\u67e5 Web \u4e0b\u8f7d\u3001\u76d7\u94fe\u3001\u5907\u4efd\u4e0a\u4f20\u6216\u5f02\u5e38\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<p>\u770b\u5230\u53ef\u7591 IP \u540e\uff0c\u5148\u7528 <code>ss -tunap | grep \u67e5\u5230\u7684IP<\/code> \u627e\u5230\u5bf9\u5e94\u8fdb\u7a0b\uff0c\u518d\u7528 <code>iftop -nNP -F \u53ef\u7591IP\/32<\/code> \u5355\u72ec\u89c2\u5bdf\u5b83\u7684\u6301\u7eed\u6d41\u91cf\uff0c\u786e\u8ba4\u662f\u6301\u7eed\u5360\u7528\u8fd8\u662f\u77ac\u65f6\u7a81\u53d1\u3002\u6574\u4e2a\u6392\u67e5\u601d\u8def\u53ef\u4ee5\u5f52\u7eb3\u6210\u4e0b\u9762\u8fd9\u5f20\u6d41\u91cf\u5730\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/traffic-troubleshooting-flow.webp\" alt=\"\u670d\u52a1\u5668\u5e26\u5bbd\u6392\u67e5\u6d41\u7a0b\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u4ece&#8221;\u5361\u987f&#8221;\u5230&#8221;\u5b9a\u4f4d\u5230\u5177\u4f53 IP \u548c\u7aef\u53e3&#8221;\uff0c\u719f\u7ec3\u4e4b\u540e\u6574\u4e2a\u6d41\u7a0b\u4e0d\u8d85\u8fc7\u5341\u5206\u949f\u3002\u5b9a\u4f4d\u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u771f\u6b63\u7684\u5173\u952e\u5728\u4e8e\u770b\u5230\u7ed3\u679c\u540e\u600e\u4e48\u5206\u7c7b\u5904\u7f6e\u3002<\/p>\n<h2>\u4e09\u7c7b\u5178\u578b\u7ed3\u679c\u4e0e\u5bf9\u5e94\u5904\u7f6e<\/h2>\n<p>iftop \u7684\u6392\u5e8f\u7ed3\u679c\u867d\u7136\u5343\u5dee\u4e07\u522b\uff0c\u4f46\u5f52\u7eb3\u8d77\u6765\u65e0\u975e\u4e09\u7c7b\u3002\u5148\u5bf9\u53f7\u5165\u5ea7\uff0c\u518d\u9009\u62e9\u5bf9\u5e94\u52a8\u4f5c\uff0c\u80fd\u907f\u514d&#8221;\u4e00\u770b\u5230\u6d41\u91cf\u5927\u5c31\u5c01 IP&#8221;\u7684\u8bef\u4f24\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>iftop \u7279\u5f81<\/th>\n<th>\u5178\u578b\u539f\u56e0<\/th>\n<th>\u5efa\u8bae\u52a8\u4f5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u672c\u673a 80\/443 \u7aef\u53e3\u51fa\u7ad9\u5927\u3001\u5bf9\u7aef IP \u5206\u6563<\/td>\n<td>\u6b63\u5e38\u4e1a\u52a1\u9ad8\u5cf0\uff08\u6d3b\u52a8\u3001\u7206\u6b3e\u5185\u5bb9\uff09<\/td>\n<td>\u4e34\u65f6\u6269\u5bb9\u6216\u5347\u7ea7\u5e26\u5bbd\uff0c\u540c\u65f6\u505a\u9875\u9762\u9759\u6001\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e00\u5916\u90e8 IP \u6216\u540c\u7f51\u6bb5\u957f\u671f\u9ad8\u901f\u4e0b\u8f7d<\/td>\n<td>\u7ad9\u70b9\u88ab\u955c\u50cf\u3001\u722c\u866b\u6293\u5927\u6587\u4ef6<\/td>\n<td>\u9632\u706b\u5899\u5c01\u7981 + Nginx \u9650\u901f<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u7591\u8fdb\u7a0b\u5360\u7528\u3001\u4e0e Web \u65e0\u5173\u7684\u7aef\u53e3<\/td>\n<td>\u670d\u52a1\u5668\u88ab\u5165\u4fb5\u3001\u88ab\u5f53\u8df3\u677f<\/td>\n<td>\u7acb\u5373\u9694\u79bb\u8fdb\u7a0b\u3001\u6539\u5bc6\u3001\u67e5\u8ba1\u5212\u4efb\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u524d\u4e24\u7c7b\u90fd\u53ef\u4ee5\u7528 Nginx \u9650\u901f\u76f4\u63a5\u7f13\u89e3\u3002\u4ee5\u5bf9\u5355\u4e2a IP \u9650\u5236\u4e0b\u8f7d\u901f\u5ea6\u4e3a\u4f8b\uff0c\u5728\u7ad9\u70b9\u914d\u7f6e\u4e2d\u52a0\u5165\uff1a<\/p>\n<pre><code class=\"language-nginx\">limit_req_zone $binary_remote_addr zone=dl:10m rate=5r\/s;\nlocation \/downloads\/ {\n    limit_req zone=dl burst=10 nodelay;\n    limit_rate_after 1m;    # \u6bcf\u8fde\u63a5\u524d 1MB \u4e0d\u9650\u901f\n    limit_rate 256k;        # \u4e4b\u540e\u9650\u5236\u4e3a 256KB\/s\n}\n<\/code><\/pre>\n<p>\u8fd9\u5957\u914d\u7f6e\u7684\u542b\u4e49\u662f\uff1a\u5148\u5141\u8bb8\u722c\u866b\u6216\u7528\u6237\u5feb\u901f\u62ff\u5230\u7b2c\u4e00\u5146\u5b57\u8282\uff08\u4fdd\u8bc1\u9875\u9762\u4f53\u9a8c\uff09\uff0c\u8d85\u8fc7 1MB \u540e\u964d\u901f\u5230 256KB\/s\uff0c\u5355\u4e2a IP \u7684\u8bf7\u6c42\u9891\u7387\u4e5f\u88ab\u9650\u5236\u5728\u6bcf\u79d2 5 \u6b21\u3002\u5bf9\u56fe\u7247\u7ad9\u548c\u8d44\u6e90\u7ad9\u6765\u8bf4\uff0c\u4ec5\u8fd9\u4e00\u6761\u914d\u7f6e\u901a\u5e38\u5c31\u80fd\u628a\u5931\u63a7\u7684\u51fa\u7ad9\u6d41\u91cf\u538b\u56de\u5b89\u5168\u6c34\u4f4d\u3002\u56fe\u7247\u8d44\u6e90\u5982\u679c\u4f53\u79ef\u672c\u8eab\u8fc7\u5927\uff0c\u8fd8\u5e94\u8be5\u5728\u6e90\u5934\u538b\u7f29\uff0c\u601d\u8def\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u6027\u80fd\u4f18\u5316\u5b9e\u8df5<\/a>\u3002<\/p>\n<p>\u800c&#8221;\u6b63\u5e38\u4e1a\u52a1\u589e\u957f&#8221;\u548c&#8221;\u5f02\u5e38\u6d41\u91cf&#8221;\u7684\u533a\u522b\uff0c\u53ef\u4ee5\u7528\u4e0b\u9762\u8fd9\u5f20\u5bf9\u6bd4\u56fe\u76f4\u89c2\u611f\u53d7\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/normal-vs-abnormal-traffic-compare.webp\" alt=\"\u6b63\u5e38\u4e1a\u52a1\u6d41\u91cf\u4e0e\u5f02\u5e38\u6d41\u91cf\u66f2\u7ebf\u5bf9\u6bd4\" loading=\"lazy\" \/><\/p>\n<p>\u5de6\u8fb9\u662f\u5065\u5eb7\u6d41\u91cf\u7684\u5178\u578b\u5f62\u6001\uff1a\u968f\u8bbf\u95ee\u65f6\u6bb5\u8d77\u4f0f\u3001\u6709\u5cf0\u6709\u8c37\uff1b\u53f3\u8fb9\u5219\u662f\u5f02\u5e38\u6d41\u91cf\u7684\u5f62\u6001\uff1a\u4e0e\u8bbf\u95ee\u65f6\u6bb5\u65e0\u5173\u3001\u957f\u671f\u8d34\u7740\u5e26\u5bbd\u4e0a\u9650\u8d70\u6210\u4e00\u6761\u76f4\u7ebf\u3002\u5982\u679c\u4f60\u7684\u5e26\u5bbd\u66f2\u7ebf\u66f4\u50cf\u53f3\u56fe\uff0c\u5c31\u503c\u5f97\u6309\u4e0a\u4e00\u8282\u7684\u65b9\u6cd5\u7ee7\u7eed\u6df1\u6316\u5177\u4f53\u8fde\u63a5\u4e86\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u628a\u4e00\u6b21\u6027\u6392\u67e5\u53d8\u6210\u5e38\u89c4\u80fd\u529b<\/h2>\n<p>\u56de\u987e\u6574\u4e2a\u6d41\u7a0b\uff1anload \u8d1f\u8d23&#8221;\u786e\u8ba4\u603b\u91cf\u4e0e\u65b9\u5411&#8221;\uff0ciftop \u8d1f\u8d23&#8221;\u5b9a\u4f4d\u5230\u8fde\u63a5\u4e0e\u8fdb\u7a0b&#8221;\uff0c\u518d\u6309\u4e09\u7c7b\u573a\u666f\u9009\u62e9\u6269\u5bb9\u3001\u9650\u901f\u6216\u5b89\u5168\u5904\u7f6e\u3002\u8fd9\u5957\u65b9\u6cd5\u7684\u4ef7\u503c\u4e0d\u6b62\u4e8e\u6551\u6025\u2014\u2014\u5efa\u8bae\u4f60\u628a\u5b83\u56fa\u5316\u4e3a\u4e24\u6b65\u5e38\u89c4\u52a8\u4f5c\uff1a<\/p>\n<ul>\n<li><strong>\u52a0\u76d1\u63a7<\/strong>\uff1a\u7528 vnstat \u6216\u4e91\u76d1\u63a7\u8bb0\u5f55\u6bcf\u65e5\u5e26\u5bbd\u57fa\u7ebf\uff0c\u4f8b\u5982&#8221;\u5de5\u4f5c\u65e5\u5cf0\u503c 40Mbps\u3001\u591c\u95f4 5Mbps&#8221;\uff0c\u4e0b\u6b21\u5f02\u5e38\u65f6\u4e00\u773c\u8bc6\u522b\u504f\u79bb\u3002<\/li>\n<li><strong>\u505a\u51c6\u5907<\/strong>\uff1a\u63d0\u524d\u5728 Nginx \u914d\u7f6e\u91cc\u4fdd\u7559\u9650\u901f\u6a21\u677f\u548c\u9632\u76d7\u94fe\u89c4\u5219\uff0c\u5f02\u5e38\u53d1\u751f\u65f6\u6539\u4e24\u4e2a\u6570\u5b57\u5373\u53ef\u751f\u6548\uff0c\u4e0d\u7528\u4e34\u573a\u7ffb\u6587\u6863\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u9700\u8981\u66f4\u9ad8\u4e14\u53ef\u9884\u6d4b\u7684\u6d41\u91cf\u4e0a\u9650\uff0c\u53ef\u4ee5\u5728 Hostease \u7684 <a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u65b9\u6848\u4e2d\u6309\u4e1a\u52a1\u91cf\u9009\u62e9\u7aef\u53e3\u4e0e\u5e26\u5bbd\u89c4\u683c\uff1b\u65e5\u5e38\u8fd0\u7ef4\u4e2d\u9047\u5230\u7c7b\u4f3c\u7f51\u7ad9\u52a0\u8f7d\u6162\u7684\u95ee\u9898\uff0c\u4e5f\u63a8\u8350\u7ed3\u5408\u6211\u4eec\u4e4b\u524d\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u6307\u5357<\/a>\u4e00\u8d77\u770b\u3002\u5e26\u5bbd\u8dd1\u6ee1\u4ece\u6765\u4e0d\u662f&#8221;\u91cd\u542f\u89e3\u51b3&#8221;\u7684\u95ee\u9898\uff0c\u638c\u63e1 nload \u4e0e iftop \u8fd9\u5bf9\u7ec4\u5408\uff0c\u4f60\u5c31\u80fd\u5728\u6545\u969c\u53d1\u751f\u7684\u5341\u51e0\u5206\u949f\u5185\u7ed9\u51fa\u51c6\u786e\u7684\u5224\u65ad\u548c\u5904\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u670d\u52a1\u5668\u5e26\u5bbd\u8dd1\u6ee1\u600e\u4e48\u6392\u67e5\uff1f\u672c\u6587\u6559\u4f60\u7528 nload \u770b\u603b\u91cf\u3001iftop \u5b9a\u4f4d\u8fde\u63a5\uff0c\u518d\u6309\u5f02\u5e38\u51fa\u7ad9\u3001\u6b63\u5e38\u4e1a\u52a1\u3001\u5165\u7ad9\u5f02\u5e38\u4e09\u7c7b\u573a\u666f\u5904\u7f6e\uff0c\u5e76\u7ed9\u51fa\u9650\u901f\u3001\u9632\u76d7\u94fe\u4e0e\u544a\u8b66\u7684\u843d\u5730\u505a\u6cd5\u3002<\/p>\n","protected":false},"author":2,"featured_media":33280,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[5115,5116,5118,5117,5114],"class_list":["post-33284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-iftop","tag-nload","tag-5118","tag-5117","tag-5114"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/iftop-nload-diagnosis-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33284"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33284\/revisions"}],"predecessor-version":[{"id":33285,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33284\/revisions\/33285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33280"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}