{"id":30425,"date":"2025-09-12T16:57:36","date_gmt":"2025-09-12T16:57:36","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/website-monitoring-errors-dns-tcp-tls-http\/"},"modified":"2026-07-15T21:14:33","modified_gmt":"2026-07-15T21:14:33","slug":"website-monitoring-errors-dns-tcp-tls-http","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/website-monitoring-errors-dns-tcp-tls-http\/","title":{"rendered":"\u6309\u9519\u8bef\u7c7b\u578b\u76d1\u63a7\u7f51\u7ad9\uff1aDNS\u3001TCP\u3001TLS \u548c HTTP"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-30430\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/09\/dcm-website-monitoring-errors.webp\" alt=\"\u6309\u9519\u8bef\u7c7b\u578b\u5206\u7c7b\u7684\u7f51\u7ad9\u76d1\u63a7\" width=\"480\" height=\"320\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/09\/dcm-website-monitoring-errors.webp 1280w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/09\/dcm-website-monitoring-errors-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/09\/dcm-website-monitoring-errors-1024x682.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/09\/dcm-website-monitoring-errors-768x512.webp 768w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u5f53\u7f51\u7ad9\u5b95\u673a\u65f6\uff0c\u5e38\u5e38\u611f\u89c9\u50cf\u662f\u4e00\u4e2a\u9ed1\u5323\u5b50\u91cc\u7684\u8c1c\u56e2\u3002\u8bbf\u5ba2\u770b\u5230\u7684\u662f\u4e00\u4e2a\u65cb\u8f6c\u7684\u52a0\u8f7d\u56fe\u6807\u3001\u9519\u8bef\u4ee3\u7801\u6216\u7a7a\u767d\u5c4f\u5e55\uff0c\u4f46\u5bf9\u4e8eIT\u56e2\u961f\u548cDevOps\u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u7b2c\u4e00\u4e2a\u95ee\u9898\u603b\u662f\u4e00\u6837\u7684\uff1a\u662f\u4ec0\u4e48\u574f\u4e86\uff1f<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u7f51\u7ad9\u201c\u5b95\u673a\u201d\u5e76\u975e\u53ea\u6709\u4e00\u79cd\u60c5\u51b5\u3002\u6bcf\u4e2a\u6d4f\u89c8\u5668\u8bf7\u6c42\u90fd\u4f1a\u7ecf\u8fc7\u591a\u4e2a\u9636\u6bb5\u2014\u2014DNS\u89e3\u6790\u3001TCP\u8fde\u63a5\u3001TLS\/SSL\u534f\u5546\u548cHTTP\u54cd\u5e94\u2014\u2014\u6bcf\u4e00\u5c42\u90fd\u53ef\u80fd\u51fa\u73b0\u6545\u969c\u70b9\u3002\u5982\u679c\u94fe\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u73af\u8282\u51fa\u73b0\u6545\u969c\uff0c\u6574\u4e2a\u7528\u6237\u4f53\u9a8c\u90fd\u4f1a\u88ab\u7834\u574f\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u73b0\u4ee3\u7f51\u7ad9\u76d1\u63a7\u4e0d\u4ec5\u4ec5\u662f\u7b80\u5355\u7684\u5728\u7ebf\u65f6\u95f4\u68c0\u67e5\u3002\u667a\u80fd\u76d1\u63a7\u4e0d\u4ec5\u544a\u8bc9\u4f60\u4e00\u4e2a\u7f51\u7ad9\u201c\u5b95\u673a\u201d\uff1b\u5b83\u8fd8\u80fd\u51c6\u786e\u5b9a\u4f4d\u95ee\u9898\u53d1\u751f\u7684\u4f4d\u7f6e\u3002<\/p>\n<ul>\n<li>DNS\u9519\u8bef\u6307\u5411\u57df\u540d\u6216\u89e3\u6790\u5668\u95ee\u9898\u3002<\/li>\n<li>TCP\u5931\u8d25\u63d0\u793a\u8fde\u63a5\u6216\u9632\u706b\u5899\u95ee\u9898\u3002<\/li>\n<li>TLS\/SSL\u9519\u8bef\u8868\u660e\u8bc1\u4e66\u6216\u5b89\u5168\u95ee\u9898\u3002<\/li>\n<li>HTTP 5xx\u54cd\u5e94\u63ed\u793a\u670d\u52a1\u5668\u7aef\u5e94\u7528\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u8bc6\u522b\u54ea\u4e2a\u5c42\u51fa\u73b0\u6545\u969c\uff0c\u60a8\u7684\u56e2\u961f\u53ef\u4ee5\u66f4\u5feb\u54cd\u5e94\uff0c\u7f29\u77ed\u5e73\u5747\u6545\u969c\u6062\u590d\u65f6\u95f4\uff08MTTR\uff09\uff0c\u5e76\u5728\u907f\u514d\u65e0\u6548\u5347\u7ea7\u6216\u731c\u6d4b\u7684\u60c5\u51b5\u4e0b\u89e3\u51b3\u6b63\u786e\u7684\u95ee\u9898\u3002<\/p>\n<h2 id='dns\u9519\u8bef-\u7f51\u7ad9\u6545\u969c\u7684\u7b2c\u4e00\u9053\u5173\u5361'  id=\"boomdevs_1\">DNS\u9519\u8bef\uff1a\u7f51\u7ad9\u6545\u969c\u7684\u7b2c\u4e00\u9053\u5173\u5361<\/h2>\n<p>\u6bcf\u4e2a\u7f51\u9875\u8bf7\u6c42\u90fd\u59cb\u4e8eDNS\uff08\u57df\u540d\u7cfb\u7edf\uff09\u89e3\u6790\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u7f51\u7ad9\u4f20\u9012\u94fe\u4e2d\u6700\u5173\u952e\u7684\u5c42\u4e4b\u4e00\u3002\u5f53\u7528\u6237\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u60a8\u7684\u57df\u540d\u65f6\uff0c\u7b2c\u4e00\u6b65\u662fDNS\u67e5\u627e\uff0c\u5c06\u57df\u540d\u8f6c\u6362\u6210IP\u5730\u5740\uff0c\u4ee5\u544a\u77e5\u6d4f\u89c8\u5668\u8fde\u63a5\u5230\u54ea\u91cc\u3002<\/p>\n<p>\u5982\u679c\u8fd9\u4e00\u6b65\u5931\u8d25\uff0c\u5176\u4ed6\u6240\u6709\u64cd\u4f5c\u90fd\u65e0\u6cd5\u8fdb\u884c\u3002\u6d4f\u89c8\u5668\u4e0d\u4f1a\u5efa\u7acbTCP\u8fde\u63a5\uff0c\u9a8c\u8bc1TLS\/SSL\u8bc1\u4e66\uff0c\u4e5f\u4e0d\u4f1a\u6536\u5230HTTP\u54cd\u5e94\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cDNS\u662f\u57fa\u7840\uff0c\u4e00\u65e6\u5b83\u51fa\u73b0\u95ee\u9898\uff0c\u6574\u4e2a\u7f51\u7ad9\u5c31\u9677\u5165\u9ed1\u6697\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/dns-%e7%9b%91%e6%8e%a7%e5%b7%a5%e5%85%b7-dotcom-monitor\/\">DNS\u76d1\u63a7<\/a>\u901a\u5e38\u662f\u6f5c\u5728\u7f51\u7ad9\u5b95\u673a\u7684\u9996\u8981\u4e14\u6700\u91cd\u8981\u7684\u6307\u6807\u3002\u901a\u8fc7\u63d0\u524d\u53d1\u73b0DNS\u95ee\u9898\uff0c\u56e2\u961f\u53ef\u4ee5\u9632\u6b62\u5e7f\u6cdb\u7684\u505c\u673a\uff0c\u907f\u514d\u6536\u5165\u635f\u5931\uff0c\u5e76\u5728\u95ee\u9898\u6076\u5316\u524d\u7ef4\u62a4\u7528\u6237\u4fe1\u4efb\u3002\u4e3a\u4e86\u786e\u4fdd\u60a8\u80fd\u7acb\u5373\u6355\u6349\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u5efa\u8bae\u8bc4\u4f30\u9002\u5408\u60a8\u57fa\u7840\u8bbe\u65bd\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/best-dns-monitoring-tools\/\">\u6700\u4f73DNS\u76d1\u63a7\u5de5\u5177<\/a>\u3002<\/p>\n<h2 id='\u5e38\u89c1dns\u9519\u8bef\u53ca\u5176\u542b\u4e49'  id=\"boomdevs_2\">\u5e38\u89c1DNS\u9519\u8bef\u53ca\u5176\u542b\u4e49<\/h2>\n<p>\u7531\u4e8eDNS\u662f\u6bcf\u4e2a\u7f51\u7ad9\u8bf7\u6c42\u7684\u7b2c\u4e00\u6b65\uff0c\u5373\u4f7f\u662f\u8f7b\u5fae\u7684\u95ee\u9898\u4e5f\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/%e9%81%bf%e5%85%8d-dns-%e4%b8%ad%e6%96%ad-%e5%87%8f%e5%b0%91%e5%81%9c%e6%9c%ba%e6%97%b6%e9%97%b4-%e5%b8%a6-dns-%e7%9b%91%e8%a7%86\/\">\u5b95\u673a<\/a>\u3002\u4e86\u89e3\u5e38\u89c1\u7684<b>DNS\u9519\u8bef\u7c7b\u578b<\/b>\u6709\u52a9\u4e8e\u56e2\u961f\u66f4\u5feb\u5730\u5b9a\u4f4d\u6839\u672c\u539f\u56e0\uff0c\u5e76\u5728\u5b95\u673a\u5f71\u54cd\u7528\u6237\u4e4b\u524d\u505a\u51fa\u54cd\u5e94\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u60a8\u6700\u5e38\u9047\u5230\u7684DNS\u6545\u969c\u53ca\u5176\u6307\u793a\u7684\u5185\u5bb9\uff1a<\/p>\n<h3 id='1-nxdomain-\u57df\u540d\u4e0d\u5b58\u5728'  id=\"boomdevs_3\">1. NXDOMAIN\uff08\u57df\u540d\u4e0d\u5b58\u5728\uff09<\/h3>\n<p>\u6b64\u9519\u8bef\u8868\u793a\u57df\u540d\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u89e3\u6790\u3002<br \/>\n\u5176\u5e38\u89c1\u539f\u56e0\u6709\uff1a<\/p>\n<ul>\n<li>\u57df\u540d\u8fc7\u671f\u6216\u672a\u6ce8\u518c<\/li>\n<li>DNS\u533a\u57df\u6587\u4ef6\u914d\u7f6e\u9519\u8bef<\/li>\n<li>DNS\u8bb0\u5f55\u6216CNAME\u6761\u76ee\u4e2d\u7684\u62fc\u5199\u9519\u8bef<\/li>\n<\/ul>\n<p>\u8fc7\u671f\u7684\u57df\u540d\u4f1a\u7acb\u5373\u4f7f\u7f51\u7ad9\u4e0b\u7ebf\uff0c\u800c\u5c0f\u7684\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u53ea\u5f71\u54cd\u7279\u5b9a\u7684\u5b50\u57df\u6216\u670d\u52a1\u3002\u6301\u7eed\u7684<b>DNS\u76d1\u63a7<\/b>\u6709\u52a9\u4e8e\u5728\u57df\u540d\u7eed\u8ba2\u6216\u914d\u7f6e\u66f4\u6539\u540e\u53ca\u65e9\u53d1\u73b0\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h3 id='2-servfail-\u670d\u52a1\u5668\u5931\u8d25'  id=\"boomdevs_4\">2. SERVFAIL\uff08\u670d\u52a1\u5668\u5931\u8d25\uff09<\/h3>\n<p><b>SERVFAIL<\/b>\u8868\u793a\u6743\u5a01DNS\u670d\u52a1\u5668\u65e0\u6cd5\u5904\u7406\u67e5\u8be2\u3002<br \/>\n\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u533a\u57df\u6587\u4ef6\u635f\u574f\u6216\u4e0d\u5b8c\u6574<\/li>\n<li>\u7f3a\u5931\u80f6\u6c34\u8bb0\u5f55<\/li>\n<li>DNSSEC\u9a8c\u8bc1\u9519\u8bef<\/li>\n<\/ul>\n<p>SERVFAIL\u54cd\u5e94\u901a\u5e38\u5728\u7cfb\u7edf\u6216\u914d\u7f6e\u66f4\u65b0\u540e\u7a81\u7136\u51fa\u73b0\uff0c\u662f\u90e8\u7f72\u6545\u969c\u7684\u65e9\u671f\u9884\u8b66\u4fe1\u53f7\u3002\u5b9e\u65f6\u7684<b>DNS\u5065\u5eb7\u68c0\u67e5<\/b>\u80fd\u591f\u5728\u8fd9\u4e9b\u670d\u52a1\u5668\u7ea7\u95ee\u9898\u53d1\u751f\u65f6\u7acb\u5373\u63d0\u9192\u56e2\u961f\u3002<\/p>\n<h3 id='3-dns\u8d85\u65f6'  id=\"boomdevs_5\">3. DNS\u8d85\u65f6<\/h3>\n<p>\u5f53DNS\u67e5\u8be2\u5728\u9884\u671f\u65f6\u95f4\u5185\u672a\u6536\u5230\u54cd\u5e94\u65f6\u53d1\u751f\u8d85\u65f6\u3002<br \/>\n\u5178\u578b\u6839\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u540d\u79f0\u670d\u52a1\u5668\u8fc7\u8f7d\u6216\u65e0\u54cd\u5e94<\/li>\n<li>\u7f51\u7edc\u5ef6\u8fdf\u6216\u8fde\u63a5\u6545\u969c<\/li>\n<li>\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff08DDoS\uff09\u4f7f\u89e3\u6790\u5668\u4e0d\u582a\u91cd\u8d1f<\/li>\n<\/ul>\n<p>\u7531\u4e8eDNS\u67e5\u8be2\u53d1\u751f\u5728\u7f13\u5b58\u548c\u5185\u5bb9\u5206\u53d1\u4e4b\u524d\uff0c\u5373\u4f7f\u662f\u5c0f\u7684\u5ef6\u8fdf\u4e5f\u53ef\u80fd\u5bfc\u81f4<b>\u9875\u9762\u52a0\u8f7d\u65f6\u95f4<\/b>\u53d8\u6162\uff0c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002\u50cf<b>Dotcom-Monitor<\/b>\u63d0\u4f9b\u7684\u79ef\u6781\u7684<b>\u5168\u7403DNS\u76d1\u63a7<\/b>\u4f1a\u4ece\u591a\u4e2a\u5730\u70b9\u6d4b\u8bd5\u67e5\u8be2\uff0c\u4ee5\u4fbf\u5728\u5ba2\u6237\u611f\u53d7\u5230\u5f71\u54cd\u524d\u68c0\u6d4b\u533a\u57df\u6027\u6216\u4f9b\u5e94\u5546\u7279\u5b9a\u7684\u51cf\u901f\u3002<\/p>\n<h2 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7dns'  id=\"boomdevs_6\">\u5982\u4f55\u6709\u6548\u76d1\u63a7DNS<\/h2>\n<p>\u76d1\u63a7<b>DNS\u5065\u5eb7<\/b>\u4e0d\u4ec5\u4ec5\u662f\u9a8c\u8bc1\u57df\u540d\u662f\u5426\u80fd\u89e3\u6790\u4e00\u6b21\u3002\u8981\u771f\u6b63\u4e86\u89e3\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u76d1\u63a7\u5e94\u6a21\u62df\u4e0d\u540c\u5730\u57df\u548c\u7f51\u7edc\u4e2d\u771f\u5b9e\u7528\u6237\u5bf9\u60a8\u7f51\u7ad9\u7684\u4f53\u9a8c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5b9e\u65bd<b><a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/dns-%e7%9b%91%e6%8e%a7%e5%b7%a5%e5%85%b7-dotcom-monitor\/\">\u5168\u9762DNS\u76d1\u63a7<\/a><\/b>\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id='\u8fd0\u884c\u5168\u7403dns\u68c0\u67e5'  id=\"boomdevs_7\">\u8fd0\u884c\u5168\u7403DNS\u68c0\u67e5<\/h3>\n<p>DNS\u6027\u80fd\u4f1a\u56e0\u5730\u57df\u4e0d\u540c\u800c\u5f02\u3002\u4ece\u60a8\u672c\u5730\u529e\u516c\u5ba4\u77ac\u95f4\u89e3\u6790\u7684\u8bb0\u5f55\uff0c\u53ef\u80fd\u4f1a\u56e0<b>\u4efb\u64ad\u8def\u7531\u95ee\u9898<\/b>\u6216\u533a\u57df\u7f51\u7edc\u6545\u969c\u800c\u5728\u5176\u4ed6\u5730\u533a\u5931\u8d25\u3002<\/p>\n<p>\u4f7f\u7528\u6765\u81ea\u591a\u4e2a\u5168\u7403\u5730\u70b9\u7684<b><a href=\"https:\/\/www.dotcom-monitor.com\/features\/synthetic-monitoring\/\">\u5408\u6210\u76d1\u63a7<\/a>\u4ee3\u7406<\/b>\u6a21\u62df\u771f\u5b9e\u4e16\u754c\u67e5\u8be2\uff0c\u63d0\u524d\u53d1\u73b0\u533a\u57df\u6027\u95ee\u9898\uff0c\u9632\u6b62\u5b83\u4eec\u5f71\u54cd\u7528\u6237\u3002<\/p>\n<p>\u50cf<b>Dotcom-Monitor<\/b>\u8fd9\u7c7b\u5de5\u5177\u6267\u884c<b>\u591a\u533a\u57dfDNS\u89e3\u6790\u6d4b\u8bd5<\/b>\uff0c\u5b9e\u65f6\u8bc6\u522b\u5ef6\u8fdf\u5c16\u5cf0\u3001\u89e3\u6790\u5931\u8d25\u6216\u8bb0\u5f55\u4e0d\u4e00\u81f4\u3002<\/p>\n<h3 id='\u8ffd\u8e2attl-\u751f\u5b58\u65f6\u95f4-\u884c\u4e3a'  id=\"boomdevs_8\">\u8ffd\u8e2aTTL\uff08\u751f\u5b58\u65f6\u95f4\uff09\u884c\u4e3a<\/h3>\n<p>\u6bcf\u4e2aDNS\u8bb0\u5f55\u90fd\u5305\u542b<b>TTL\u503c<\/b>\uff0c\u5b9a\u4e49\u89e3\u6790\u5668\u7f13\u5b58\u8be5\u8bb0\u5f55\u7684\u65f6\u95f4\u957f\u5ea6\uff0c\u5728\u91cd\u65b0\u67e5\u8be2\u4e4b\u524d\u3002<br \/>\n\u8f83\u957f\u7684TTL\u80fd\u63d0\u9ad8\u6700\u7ec8\u7528\u6237\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u4f1a\u5728\u914d\u7f6e\u53d8\u66f4\u6216\u8fc1\u79fb\u540e\u5ef6\u8fdf\u66f4\u65b0\u3002<br \/>\n\u76d1\u63a7\u5de5\u5177\u5e94\u9a8c\u8bc1\u66f4\u65b0\u503c\u662f\u5426\u6b63\u786e\u4f20\u64ad\uff0c\u786e\u4fdd\u65e0\u8fc7\u671f\u7684<b>DNS\u7f13\u5b58\u6761\u76ee<\/b>\u5728\u5730\u533a\u95f4\u6b8b\u7559\u3002<\/p>\n<h3 id='\u8bbe\u7f6e\u5f02\u5e38\u68c0\u6d4b\u53ca\u544a\u8b66'  id=\"boomdevs_9\">\u8bbe\u7f6e\u5f02\u5e38\u68c0\u6d4b\u53ca\u544a\u8b66<\/h3>\n<p>\u6700\u6709\u4ef7\u503c\u7684DNS\u76d1\u63a7\u6d1e\u5bdf\u6765\u81ea\u8d8b\u52bf\u5206\u6790\u3002<\/p>\n<ul>\n<li><b>NXDOMAIN<\/b>\u6216<b>SERVFAIL<\/b>\u54cd\u5e94\u7684\u7a81\u7136\u589e\u52a0<\/li>\n<li>DNS\u89e3\u6790\u5ef6\u8fdf\u7684\u4e0a\u5347<\/li>\n<li>\u54cd\u5e94\u65f6\u95f4\u7684\u5730\u533a\u4e0d\u4e00\u81f4\u6027<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u662f\u66f4\u6df1\u5c42\u95ee\u9898\u7684\u65e9\u671f\u9884\u8b66\u2014\u2014\u5f80\u5f80\u5728\u7528\u6237\u62a5\u544a\u5b95\u673a\u524d\u6570\u5c0f\u65f6\u51fa\u73b0\u3002\u81ea\u52a8\u7684<b>DNS\u5f02\u5e38\u544a\u8b66<\/b>\u4f7f\u56e2\u961f\u80fd\u591f\u5373\u65f6\u53cd\u5e94\uff0c\u786e\u4fdd\u9ad8\u53ef\u7528\u6027\u548c\u66f4\u5feb\u6062\u590d\u3002<\/p>\n<p>\u5f53DNS\u76d1\u63a7\u5f97\u5f53\u5b9e\u65bd\uff0c\u5b83\u4e0d\u4ec5\u8bc6\u522b\u6839\u56e0\uff0c\u4e5f\u6392\u9664\u672a\u6545\u969c\u7684\u90e8\u5206\u3002<\/p>\n<p>\u5982\u679cDNS\u89e3\u6790\u5931\u8d25\uff0c\u60a8\u5c31\u77e5\u9053<b>TCP\u3001TLS\u548cHTTP\u68c0\u67e5<\/b>\u6839\u672c\u6ca1\u5f00\u59cb\u3002\u8fd9\u79cd\u6e05\u6670\u5ea6\u80fd\u8fc5\u901f\u7f29\u5c0f\u8c03\u67e5\u8303\u56f4\uff0c\u52a9\u529b\u56e2\u961f\u534f\u8c03\u6b63\u786e\u7684\u4f9b\u5e94\u5546\uff08DNS\u6258\u7ba1\u5546\u3001\u6ce8\u518c\u5546\u6216\u7f51\u7edc\u670d\u52a1\u5546\uff09\u8fdb\u884c\u89e3\u51b3\u3002<\/p>\n<h2 id='tcp\u8fde\u63a5\u5931\u8d25-\u7f51\u7edc\u63e1\u624b\u65ad\u88c2\u65f6'  id=\"boomdevs_10\">TCP\u8fde\u63a5\u5931\u8d25\uff1a\u7f51\u7edc\u63e1\u624b\u65ad\u88c2\u65f6<\/h2>\n<p>\u5728<b>DNS\u89e3\u6790<\/b>\u6210\u529f\u63d0\u4f9bIP\u5730\u5740\u540e\uff0c\u7f51\u7ad9\u8bf7\u6c42\u94fe\u7684\u4e0b\u4e00\u9636\u6bb5\u662f<b>TCP\u63e1\u624b<\/b>\u2014\u2014\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u5efa\u7acb\u901a\u4fe1\u901a\u9053\u7684\u6570\u5b57\u201c\u63e1\u624b\u201d\u3002<\/p>\n<p>\u8fd9\u4e00\u63e1\u624b\u9075\u5faa\u4e09\u6b65\u7b80\u5355\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a<b>SYN<\/b>\uff08\u540c\u6b65\uff09\u6570\u636e\u5305\u3002<\/li>\n<li>\u670d\u52a1\u5668\u56de\u590d\u4e00\u4e2a<b>SYN-ACK<\/b>\uff08\u540c\u6b65\u786e\u8ba4\uff09\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u8fd4\u56de\u4e00\u4e2a<b>ACK<\/b>\uff0c\u5b8c\u6210\u8fde\u63a5\u3002<\/li>\n<\/ol>\n<p>\u53ea\u6709\u63e1\u624b\u5b8c\u6210\uff0c\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6570\u636e\u624d\u80fd\u5f00\u59cb\u6d41\u52a8\u3002<\/p>\n<p>\u5f53<b>TCP\u5931\u8d25<\/b>\u65f6\uff0c\u6d4f\u89c8\u5668\u77e5\u9053\u670d\u52a1\u5668\u5730\u5740\uff08\u56e0DNS\u6210\u529f\uff09\u4f46\u65e0\u6cd5\u8fde\u63a5\u5230\u5b83\u3002\u7ed3\u679c\u611f\u89c9\u50cf\u4e2a<b>\u9ed1\u6d1e<\/b>\uff1b\u9875\u9762\u65e0\u9650\u6302\u8d77\uff0c\u5957\u63a5\u5b57\u4fdd\u6301\u5173\u95ed\uff0c\u7528\u6237\u770b\u5230\u65e0\u4f11\u6b62\u7684\u52a0\u8f7d\u52a8\u753b\u3002<\/p>\n<p><b>DNS\u5931\u8d25<\/b>\u901a\u5e38\u5373\u65f6\u4e14\u660e\u663e\uff0c\u800c<b>TCP\u8fde\u63a5\u95ee\u9898<\/b>\u5e38\u5bfc\u81f4<b>\u90e8\u5206\u6027\u5b95\u673a<\/b>\uff1b\u7f51\u7ad9\u5bf9\u90e8\u5206\u7528\u6237\u53ef\u89c1\uff0c\u5bf9\u5176\u4ed6\u4eba\u5219\u65e0\u6cd5\u8bbf\u95ee\u3002\u8fd9\u79cd\u4e0d\u4e00\u81f4\u6027\u4f7f\u5f97<b>TCP\u76d1\u63a7<\/b>\u6210\u4e3a\u4efb\u4f55<b>\u7f51\u7ad9\u6027\u80fd\u548c\u5728\u7ebf\u65f6\u95f4\u76d1\u63a7\u7b56\u7565<\/b>\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u5c42\u3002<\/p>\n<h3 id='\u5e38\u89c1tcp\u9519\u8bef\u53ca\u542b\u4e49'  id=\"boomdevs_11\">\u5e38\u89c1TCP\u9519\u8bef\u53ca\u542b\u4e49<\/h3>\n<p>\u4e00\u65e6TCP\u63e1\u624b\u5f00\u59cb\uff0c\u591a\u4e2a\u7f51\u7edc\u76f8\u5173\u6545\u969c\u53ef\u80fd\u53d1\u751f\uff0c\u963b\u6b62\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u6210\u529f\u901a\u8baf\u3002\u4e86\u89e3\u8fd9\u4e9bTCP\u9519\u8bef\u7c7b\u578b\u6709\u52a9\u4e8e\u56e2\u961f\u5feb\u901f\u8bca\u65ad\u8fde\u63a5\u65ad\u88c2\u4f4d\u7f6e\u53ca\u9700\u8981\u5173\u6ce8\u7684\u7cfb\u7edf\u7ec4\u4ef6\uff08\u7f51\u7edc\u3001\u9632\u706b\u5899\u6216\u5e94\u7528\u7a0b\u5e8f\uff09\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u6700\u5e38\u89c1\u7684TCP\u8fde\u63a5\u9519\u8bef\u53ca\u5176\u5178\u578b\u542b\u4e49\uff1a<\/p>\n<h4 id='1-\u8fde\u63a5\u88ab\u62d2\u7edd'  id=\"boomdevs_12\">1. \u8fde\u63a5\u88ab\u62d2\u7edd<\/h4>\n<p>\u6b64\u9519\u8bef\u8868\u793a\u5ba2\u6237\u7aef\u6210\u529f\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\uff0c\u4f46\u5728\u9884\u671f\u7aef\u53e3\u4e0a\u6ca1\u6709\u670d\u52a1\u76d1\u542c\u3002<\/p>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7f51\u9875\u6216\u5e94\u7528\u670d\u52a1\u610f\u5916\u5d29\u6e83<\/li>\n<li>\u5bb9\u5668\u6216\u865a\u62df\u673a\u88ab\u7ec8\u6b62\u6216\u91cd\u65b0\u90e8\u7f72<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861\u5668\u6216\u7aef\u53e3\u7ed1\u5b9a\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n<p><b>\u7b80\u5355\u793a\u4f8b<\/b>\uff1a\u672a\u7ed1\u5b9a\u5230443\u7aef\u53e3\uff08HTTPS\uff09\u7684Web\u670d\u52a1\u5668\u5373\u4f7f\u5e95\u5c42\u670d\u52a1\u5668\u8fd0\u884c\u6b63\u5e38\uff0c\u770b\u8d77\u6765\u4e5f\u50cf\u201c\u5b95\u673a\u201d\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5<\/b>\uff1a\u4f7f\u7528TCP\u7aef\u53e3\u76d1\u63a7\u786e\u8ba4\u670d\u52a1\u6b63\u786e\u7ed1\u5b9a\u5e76\u76d1\u542c\u6240\u6709\u5b9e\u4f8b\u3002Dotcom-Monitor\u53ef\u6301\u7eed\u6d4b\u8bd5\u7aef\u53e3\u53ef\u7528\u6027\uff0c\u5e76\u5728\u670d\u52a1\u505c\u6b62\u54cd\u5e94\u65f6\u8b66\u544a\u56e2\u961f\u3002<\/p><\/blockquote>\n<h4 id='2-\u8fde\u63a5\u8d85\u65f6'  id=\"boomdevs_13\"><b><\/b>\u00a02. \u8fde\u63a5\u8d85\u65f6<\/h4>\n<p><b>TCP\u8d85\u65f6<\/b>\u53d1\u751f\u4e8e\u6570\u636e\u5305\u5728\u5230\u8fbe\u76ee\u7684\u5730\u8def\u5f84\u4e0a\u4e22\u5931\u6216\u88ab\u963b\u65ad\u3002<br \/>\n\u5178\u578b\u6839\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9632\u706b\u5899\u9759\u9ed8\u4e22\u5f03\u6570\u636e\u5305<\/li>\n<li>\u7f51\u7edc\u8def\u5f84\u62e5\u5835\u6216\u4e0d\u7a33\u5b9a<\/li>\n<li>\u8def\u7531\u914d\u7f6e\u9519\u8bef\u6216\u8fd0\u8425\u5546\u7ea7\u95ee\u9898<\/li>\n<\/ul>\n<p>\u8d85\u65f6\u5c24\u5176\u4ee4\u4eba\u6cae\u4e27\uff0c\u56e0\u4e3a\u5b83<b>\u6ca1\u6709\u5373\u65f6\u8bca\u65ad\u53cd\u9988<\/b>\uff1b\u7528\u6237\u53ea\u770b\u5230\u65cb\u8f6c\u7b49\u5f85\u76f4\u5230\u5ba2\u6237\u7aef\u653e\u5f03\u8fde\u63a5\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u4f7f\u7528TCP\u8def\u5f84\u76d1\u63a7\u5de5\u5177\u8ddf\u8e2a\u7f51\u7edc\u8df3\u6570\u548c\u5ef6\u8fdf\u3002Dotcom-Monitor\u7684\u7f51\u7edc\u8bca\u65ad\u53ef\u89c6\u5316\u6570\u636e\u5305\u6d41\uff0c\u51c6\u786e\u5b9a\u4f4d\u8d85\u65f6\u53d1\u751f\u70b9\u3002<\/p><\/blockquote>\n<h4 id='3-\u8fde\u63a5\u91cd\u7f6e'  id=\"boomdevs_14\">3. \u8fde\u63a5\u91cd\u7f6e<\/h4>\n<p>\u5f53TCP\u63e1\u624b\u5b8c\u6210\u540e\u88ab<b>\u7a81\u7136\u7ec8\u6b62<\/b>\u65f6\u53d1\u751f\u3002<br \/>\n\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4ee3\u7406\u6216\u670d\u52a1\u5668\u8fc7\u8f7d\uff0c\u63d0\u524d\u5173\u95ed\u8fde\u63a5<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861\u5668\u8bbe\u7f6e\u4e86\u8fc7\u4e8e\u6fc0\u8fdb\u7684<b>\u7a7a\u95f2\u8d85\u65f6<\/b><\/li>\n<li>\u5b89\u5168\u4e2d\u95f4\u8bbe\u5907\uff08\u5982<b>WAF<\/b>\uff09\u62d2\u7edd\u88ab\u8ba4\u4e3a\u53ef\u7591\u7684\u4f1a\u8bdd<\/li>\n<\/ul>\n<p>\u8fde\u63a5\u91cd\u7f6e\u5e38\u8868\u73b0\u4e3a\u95f4\u6b47\u6027\u9519\u8bef\uff0c\u7279\u522b\u662f\u5728\u5206\u5e03\u5f0f\u67b6\u6784\u6216CDN\u73af\u5883\u4e2d\u96be\u4ee5\u590d\u73b0\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u5229\u7528\u6301\u7eedTCP\u6027\u80fd\u76d1\u63a7\u68c0\u6d4b\u91cd\u7f6e\u6a21\u5f0f\uff0c\u5e76\u5c06\u5176\u4e0e\u8d1f\u8f7d\u3001\u5b89\u5168\u7b56\u7565\u6216\u7279\u5b9a\u4ee3\u7406\u884c\u4e3a\u5173\u8054\u5206\u6790\u3002<\/p><\/blockquote>\n<p>\u901a\u8fc7\u5982\u6b64\u5206\u7c7b\u9519\u8bef\uff0c\u56e2\u961f\u53ef\u4ee5\u8fc5\u901f\u7f29\u5c0f\u95ee\u9898\u8303\u56f4\uff1a<\/p>\n<ul>\n<li>\u5982\u679c<b>TCP\u5931\u8d25<\/b>\uff0c\u4e14<b>DNS\u89e3\u6790\u6210\u529f<\/b>\uff0c\u5219\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\u3002<\/li>\n<li>\u8fd9\u79cd\u6e05\u6670\u5ea6\u51cf\u5c11\u6545\u969c\u6392\u67e5\u65f6\u95f4\uff0c\u6307\u5f15\u4fee\u590d\u5230\u6b63\u786e\u56e2\u961f\uff0c\u5982\u7f51\u7edc\u3001\u9632\u706b\u5899\u6216\u57fa\u7840\u8bbe\u65bd\u8fd0\u7ef4\u3002<\/li>\n<\/ul>\n<h2 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7tcp'  id=\"boomdevs_15\">\u5982\u4f55\u6709\u6548\u76d1\u63a7TCP<\/h2>\n<p>\u7b80\u5355\u7684\u5728\u7ebf\u68c0\u67e5\u5982<b>ICMP Ping<\/b>\u5e38\u5e26\u6765\u5047\u5b89\u5168\u611f\u3002\u670d\u52a1\u5668\u53ef\u80fd\u54cd\u5e94ping\uff0c\u4f46\u65e0\u6cd5\u5b8c\u6210<b>TCP\u63e1\u624b<\/b>\uff0c\u610f\u5473\u7740\u7528\u6237\u65e0\u6cd5\u771f\u6b63\u8fde\u63a5\u5230\u7f51\u7ad9\u6216\u5e94\u7528\u3002<\/p>\n<p>\u771f\u6b63\u7684<b>TCP\u76d1\u63a7<\/b>\u6df1\u5165\u9a8c\u8bc1\u771f\u5b9e\u8fde\u63a5\u884c\u4e3a\uff0c\u68c0\u6d4b\u57fa\u672cping\u6d4b\u8bd5\u65e0\u6cd5\u53d1\u73b0\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u6b63\u786e\u505a\u6cd5\uff1a<\/p>\n<h3 id='1-\u63e1\u624b\u9a8c\u8bc1'  id=\"boomdevs_16\">1. \u63e1\u624b\u9a8c\u8bc1<\/h3>\n<p>\u6709\u6548\u7684TCP\u76d1\u63a7\u4ece\u9a8c\u8bc1\u5b9e\u9645\u670d\u52a1\u7aef\u53e3\uff08\u5982HTTP\u768480\u7aef\u53e3\u6216HTTPS\u7684443\u7aef\u53e3\uff09\u4e0a\u7684<b>SYN\/SYN-ACK\/ACK<\/b>\u63e1\u624b\u5f00\u59cb\u3002<\/p>\n<p>\u786e\u4fdd\u670d\u52a1\u5668<b>\u53ef\u8fbe\u4e14\u79ef\u6781\u76d1\u542c<\/b>\u6d41\u91cf\uff0c\u800c\u975e\u53ea\u662f\u7f51\u7edc\u5c42\u5b58\u6d3b\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u4f7f\u7528\u5408\u6210\u76d1\u63a7\u5de5\u5177\uff0c\u5982<b>Dotcom-Monitor\u7684\u7f51\u7edc\u76d1\u63a7<\/b>\uff0c\u81ea\u52a8\u5c1d\u8bd5\u5b8c\u6574TCP\u63e1\u624b\uff0c\u786e\u8ba4\u6bcf\u4e2a\u670d\u52a1\u7aef\u70b9\u5728\u6240\u6709\u8282\u70b9\u4e0a\u6b63\u786e\u54cd\u5e94\u3002<\/p><\/blockquote>\n<h3 id='2-\u8de8\u533a\u57df\u8def\u5f84\u5206\u6790'  id=\"boomdevs_17\">2. \u8de8\u533a\u57df\u8def\u5f84\u5206\u6790<\/h3>\n<p>\u6210\u529f\u7684\u63e1\u624b\u4f9d\u8d56\u8fde\u63a5\u8def\u5f84\u4e2d\u7684\u6bcf\u4e2a\u73af\u8282\u3002\u4f7f\u7528\u6765\u81ea\u591a\u4e2a\u5730\u57df\u7684<b>traceroute<\/b>\u6216<b>MTR\uff08My Traceroute\uff09<\/b>\u53ef\u63ed\u793a\u6570\u636e\u5305\u51cf\u901f\u6216\u4e2d\u65ad\u4f4d\u7f6e\uff0c\u65e0\u8bba\u662f\u6570\u636e\u4e2d\u5fc3\u3001CDN\u8fb9\u7f18\u8fd8\u662f\u4e0a\u6e38ISP\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u8fd0\u884c<b>\u5730\u7406\u5206\u5e03\u7684TCP\u8def\u5f84\u68c0\u67e5<\/b>\uff0c\u63d0\u524d\u53d1\u73b0\u8def\u7531\u6216\u62e5\u5835\u95ee\u9898\u3002Dotcom-Monitor\u7684\u5168\u7403\u76d1\u63a7\u7f51\u7edc\u8ba9\u8bc6\u522b\u533a\u57df\u5f02\u5e38\u7b80\u4fbf\uff0c\u5148\u4e8e\u7528\u6237\u4f53\u9a8c\u95ee\u9898\u3002<\/p><\/blockquote>\n<h3 id='3-\u534f\u8bae\u517c\u5bb9-ipv4-\u548c-ipv6\u76d1\u63a7'  id=\"boomdevs_18\">3. \u534f\u8bae\u517c\u5bb9\uff08IPv4 \u548c IPv6\u76d1\u63a7\uff09<\/h3>\n<p>\u8bb8\u591a\u7ec4\u7ec7\u540c\u65f6\u652f\u6301<b>IPv4\u548cIPv6<\/b>\uff0c\u4f46\u5b9e\u9645\u4e8b\u4ef6\u53ef\u80fd\u53ea\u5f71\u54cd\u5176\u4e2d\u4e00\u79cd\u534f\u8bae\u3002\u5982\u679c\u53ea\u6d4b\u8bd5IPv4\uff0c\u53ef\u80fd\u9519\u8fc7IPv6\u7f51\u7edc\u4e0a\u7684\u7528\u6237\u95ee\u9898\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u76d1\u63a7\u914d\u7f6e\u4e2d\u59cb\u7ec8\u5305\u542b\u4e24\u79cd\u534f\u8bae\u3002\u501f\u52a9Dotcom-Monitor\uff0c\u53ef\u8fd0\u884c\u53cc\u6808\u68c0\u67e5\uff0c\u786e\u4fdd\u4e00\u81f4\u6027\u5e76\u53d1\u73b0\u8fde\u63a5\u7c7b\u578b\u95f4\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p><\/blockquote>\n<h3 id='tcp\u76d1\u63a7\u7684\u91cd\u8981\u6027'  id=\"boomdevs_19\">TCP\u76d1\u63a7\u7684\u91cd\u8981\u6027<\/h3>\n<p>DNS\u6216HTTP\u68c0\u67e5\u4e0eTCP\u76d1\u63a7\u4e00\u8d77\uff0c\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426<b>\u51c6\u5907\u597d\u63a5\u53d7\u5b9e\u65f6\u6d41\u91cf<\/b>\u2014\u2014\u800c\u975e\u4ec5\u4ec5\u5f00\u673a\u3002\u5982\u679cTCP\u5931\u8d25\uff0c\u610f\u5473\u7740DNS\u89e3\u6790\u6210\u529f\uff0c\u4f46\u7f51\u7edc\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\u3002<\/p>\n<p>\u8fd9\u4e00\u6d1e\u5bdf\u5e2e\u52a9\u56e2\u961f<b>\u5373\u65f6\u5206\u7c7b\u95ee\u9898<\/b>\uff1a<\/p>\n<ul>\n<li>DNS\u6b63\u5e38 \u2192 \u805a\u7126\u670d\u52a1\u5668\u3001\u9632\u706b\u5899\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u3002<\/li>\n<li>\u65e0\u9700\u4e0d\u5fc5\u8981\u5730\u5347\u7ea7\u7ed9\u5f00\u53d1\u6216\u5e94\u7528\u56e2\u961f\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5206\u5c42TCP\u76d1\u63a7\uff0c\u4f01\u4e1a\u83b7\u5f97\u66f4\u5feb\u7684\u4e8b\u4ef6\u54cd\u5e94\u3001\u66f4\u5c11\u7684\u505c\u673a\u65f6\u95f4\u548c\u66f4\u9ad8\u7684\u7f51\u7edc\u53ef\u9760\u6027\u3002<\/p>\n<h2 id='tls-ssl\u9519\u8bef'  id=\"boomdevs_20\">TLS\/SSL\u9519\u8bef<\/h2>\n<p>\u5728\u5f53\u4eca\u7f51\u7edc\u73af\u5883\u4e0b\uff0cHTTPS\u5df2\u6210\u9ed8\u8ba4\u914d\u7f6e\u800c\u975e\u53ef\u9009\u3002\u5b8c\u6210TCP\u63e1\u624b\u540e\uff0c\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u5f00\u59cbTLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u4f1a\u8bdd\u4ee5\u4fdd\u969c\u8fde\u63a5\u5b89\u5168\u3002<\/p>\n<p>TLS\u62c5\u8d1f\u4e24\u5927\u5173\u952e\u804c\u80fd\uff1a<\/p>\n<ol>\n<li><b>\u52a0\u5bc6\uff1a<\/b>\u4fdd\u62a4\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u7684\u6240\u6709\u6570\u636e\uff0c\u9632\u6b62\u88ab\u7a83\u542c\u3002<\/li>\n<li><b>\u8ba4\u8bc1\uff1a<\/b>\u901a\u8fc7\u9a8c\u8bc1<b>\u6570\u5b57\u8bc1\u4e66<\/b>\uff0c\u786e\u8ba4\u670d\u52a1\u5668\u7684\u5408\u6cd5\u6027\u3002<\/li>\n<\/ol>\n<p>\u82e5\u65e0TLS\uff0c\u7528\u6237\u5c06\u9762\u4e34\u91cd\u5927\u5b89\u5168\u548c\u9690\u79c1\u98ce\u9669\u3002\u5373\u4fbf\u6709TLS\uff0c\u914d\u7f6e\u9519\u8bef\u6216\u8bc1\u4e66\u8fc7\u671f\u4e5f\u4f1a\u5f15\u53d1\u4e25\u91cd\u95ee\u9898\u3002<\/p>\n<p>TLS\u5931\u8d25\u65f6\uff0c\u7528\u6237\u4f1a\u770b\u5230\u50cf<i>\u201c\u60a8\u7684\u8fde\u63a5\u4e0d\u5b89\u5168\u201d<\/i>\u6216<i>\u201c\u6b64\u7ad9\u70b9\u8bc1\u4e66\u65e0\u6548\u201d<\/i>\u8fd9\u6837\u7684\u6050\u6016\u6d4f\u89c8\u5668\u8b66\u544a\u3002\u8fd9\u4e9b\u8b66\u544a\u7acb\u5373\u7834\u574f\u4fe1\u4efb\uff0c\u5e76\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u76f4\u63a5\u963b\u6b62\u7528\u6237\u7ee7\u7eed\u8bbf\u95ee\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u4e3a\u4f55<b>TLS\/SSL\u76d1\u63a7<\/b>\u5bf9\u4e8e\u4fdd\u6301\u7f51\u7ad9\u5728\u7ebf\u548c\u4fe1\u8a89\u81f3\u5173\u91cd\u8981\u3002\u5355\u4e2a\u8fc7\u671f\u8bc1\u4e66\u53ef\u80fd\u4e00\u591c\u4e4b\u95f4\u4f7f\u7f51\u7ad9\u4e0b\u7ebf\uff0c\u58f0\u8a89\u906d\u53d7\u635f\u5bb3\u3002<\/p>\n<h3 id='tls-ssl\u9519\u8bef\u4ea7\u751f\u539f\u56e0'  id=\"boomdevs_21\">TLS\/SSL\u9519\u8bef\u4ea7\u751f\u539f\u56e0<\/h3>\n<p>TLS\u95ee\u9898\u591a\u6e90\u4e8e\u914d\u7f6e\u9519\u8bef\u6216\u7eed\u8ba2\u9057\u6f0f\u3002\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><b>\u8bc1\u4e66\u8fc7\u671f<\/b>\u2014\u2014\u8bc1\u4e66\u672a\u5728\u5230\u671f\u524d\u7eed\u8ba2\uff0c\u5c06\u7acb\u5373\u89e6\u53d1\u5b89\u5168\u9519\u8bef\uff0c\u963b\u65ad\u8bbf\u95ee\u3002<\/li>\n<li><b>\u4e3b\u673a\u540d\u4e0d\u5339\u914d<\/b>\u2014\u2014\u8bc1\u4e66\u4e3a\u67d0\u4e00\u57df\u540d\uff08\u4f8b\u5982 www.example.com\uff09\u7b7e\u53d1\uff0c\u4f46\u7528\u4e8e\u53e6\u4e00\u4e2a\u57df\u540d\uff08\u4f8b\u5982 api.example.com\uff09\u3002<\/li>\n<li><b>\u4e0d\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09<\/b>\u2014\u2014\u6d4f\u89c8\u5668\u4e0d\u8ba4\u53ef\u8be5CA\uff0c\u56e0\u5176\u662f\u81ea\u7b7e\u540d\u8bc1\u4e66\u6216\u94fe\u5411\u672a\u5b89\u88c5\u5728\u5ba2\u6237\u7aef\u8bbe\u5907\u7684\u79c1\u6709\u6839\u8bc1\u4e66\u3002<\/li>\n<li><b>\u63e1\u624b\u5931\u8d25<\/b>\u2014\u2014\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u52a0\u5bc6\u534f\u5546\u5931\u8d25\uff0c\u5e38\u56e0\u4e0d\u652f\u6301\u7684\u5bc6\u7801\u5957\u4ef6\u3001\u5f03\u7528\u7684\u534f\u8bae\u7248\u672c\u6216\u8bc1\u4e66\u94fe\u4e0d\u5b8c\u6574\u9020\u6210\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u9519\u8bef\u90fd\u4f1a\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u548c\u53ef\u8bbf\u95ee\u6027\uff0c\u56e0\u6b64\u6301\u7eed\u7684TLS\u76d1\u63a7\u5bf9\u65e9\u671f\u53d1\u73b0\u5c24\u4e3a\u5173\u952e\u3002<\/p>\n<h3 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7tls-ssl'  id=\"boomdevs_22\">\u5982\u4f55\u6709\u6548\u76d1\u63a7TLS\/SSL<\/h3>\n<p>TLS\u8bc1\u4e66\u4e0d\u4f1a\u9010\u6e10\u5931\u6548\uff1b\u5b83\u4eec\u53ef\u80fd\u4e00\u5929\u6b63\u5e38\uff0c\u7b2c\u4e8c\u5929\u5c31\u51fa\u95ee\u9898\u3002\u6700\u4f73\u76d1\u63a7\u7b56\u7565\u662f<b>\u4e3b\u52a8\u4e14\u81ea\u52a8\u5316<\/b>\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5b9e\u73b0\u53ef\u9760TLS\u76d1\u63a7\u7684\u65b9\u6cd5\uff1a<\/p>\n<h4 id='1-\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f'  id=\"boomdevs_23\">1. \u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f<\/h4>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/monitor-ssl-certificate-expiration\/\">\u76d1\u63a7\u6240\u6709\u57df\u540d\u548c\u5b50\u57df\u4e0a\u7684SSL\/TLS\u8bc1\u4e66\u7684\u5230\u671f\u65f6\u95f4<\/a>\u3002\u8bbe\u5b9a\u591a\u4e2a\u544a\u8b66\u9608\u503c\uff08\u4f8b\u5982\uff0c\u8fc7\u671f\u524d30\u5929\u30017\u5929\u548c1\u5929\uff09\u4ee5\u786e\u4fdd\u53ca\u65f6\u7eed\u8ba2\u3002<\/p>\n<h4 id='2-\u9a8c\u8bc1\u5b8c\u6574\u8bc1\u4e66\u94fe'  id=\"boomdevs_24\">2. \u9a8c\u8bc1\u5b8c\u6574\u8bc1\u4e66\u94fe<\/h4>\n<p>\u4e0d\u5b8c\u6574\u6216\u914d\u7f6e\u9519\u8bef\u7684\u8bc1\u4e66\u94fe\u5373\u4f7f\u4e3b\u8bc1\u4e66\u6709\u6548\uff0c\u4e5f\u4f1a\u7834\u574f\u7528\u6237\u7684\u4fe1\u4efb\u3002\u5b9a\u671f\u4ece\u4e0d\u540c\u533a\u57df\u6d4b\u8bd5\u8bc1\u4e66\u94fe\uff0c\u63d0\u524d\u53d1\u73b0CA\u6216\u4e2d\u95f4\u8bc1\u4e66\u95ee\u9898\uff0c\u907f\u514d\u7528\u6237\u9047\u5230\u6545\u969c\u3002<\/p>\n<h4 id='3-\u68c0\u67e5\u534f\u8bae\u548c\u5bc6\u7801\u5957\u4ef6\u517c\u5bb9\u6027'  id=\"boomdevs_25\">3. \u68c0\u67e5\u534f\u8bae\u548c\u5bc6\u7801\u5957\u4ef6\u517c\u5bb9\u6027<\/h4>\n<p>\u968f\u7740\u6d4f\u89c8\u5668\u5f03\u7528\u65e7\u534f\u8bae\uff08\u5982<b>TLS1.0\/1.1<\/b>\uff09\u548c\u5f31\u5bc6\u7801\uff0c\u4e3a\u4fdd\u969c\u5b89\u5168\uff0c\u7ef4\u6301\u517c\u5bb9\u6027\u5c24\u4e3a\u91cd\u8981\u3002\u76d1\u63a7\u5de5\u5177\u5e94\u9a8c\u8bc1\u652f\u6301\u7684<b>\u5bc6\u7801\u5957\u4ef6<\/b>\u548c<b>\u534f\u8bae\u7248\u672c<\/b>\uff0c\u786e\u4fdd\u7528\u6237\u4e0d\u4f1a\u88ab\u9501\u5b9a\u3002<\/p>\n<h4 id='4-\u5173\u6ce8\u63e1\u624b\u5931\u8d25'  id=\"boomdevs_26\">4. \u5173\u6ce8\u63e1\u624b\u5931\u8d25<\/h4>\n<p>TLS\u63e1\u624b\u9519\u8bef\u7a81\u7136\u4e0a\u5347\u901a\u5e38\u610f\u5473\u7740\u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u9519\u8bef\u3001\u8fc7\u671f\u4e2d\u95f4\u8bc1\u4e66\u6216\u7f51\u7edc\u7ea7\u6545\u969c\u3002<\/p>\n<h3 id='tls\u76d1\u63a7\u7684\u91cd\u8981\u6027'  id=\"boomdevs_27\">TLS\u76d1\u63a7\u7684\u91cd\u8981\u6027<\/h3>\n<p>TLS\u9519\u8bef\u4e0d\u4ec5\u662f\u6280\u672f\u95ee\u9898\uff0c\u5b83\u4eec\u662f<b>\u4e1a\u52a1\u5173\u952e\u95ee\u9898<\/b>\u3002\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u3001\u54c1\u724c\u5f62\u8c61\u548c\u8f6c\u5316\u7387\u3002<\/p>\n<p>\u5f53TLS\u76d1\u63a7\u65e9\u671f\u63d0\u9192\u60a8\u8bc1\u4e66\u6216\u63e1\u624b\u95ee\u9898\u65f6\uff0c\u60a8\u7684\u56e2\u961f\u53ef\u4ee5\u8fc5\u901f\u884c\u52a8\uff0c\u907f\u514d\u6f14\u53d8\u6210\u9762\u5411\u7528\u6237\u7684\u6545\u969c\u3002<\/p>\n<h2 id='\u5e38\u89c1tls-ssl\u9519\u8bef'  id=\"boomdevs_28\">\u5e38\u89c1TLS\/SSL\u9519\u8bef<\/h2>\n<p>TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u548cSSL\uff08\u5b89\u5168\u5957\u63a5\u5c42\uff09\u9519\u8bef\u662f\u7f51\u7ad9\u9762\u4e34\u7684\u6700\u663e\u8457\u4e14\u635f\u5bb3\u58f0\u8a89\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u51fa\u73b0\u65f6\uff0c\u7528\u6237\u5c06\u770b\u5230\u6d4f\u89c8\u5668\u8b66\u544a\uff0c\u5982<b>\u201c\u60a8\u7684\u8fde\u63a5\u4e0d\u5b89\u5168\u201d<\/b>\u6216<b>\u201c\u6b64\u7f51\u7ad9\u5b89\u5168\u8bc1\u4e66\u5df2\u8fc7\u671f\u201d<\/b>\u3002\u8fd9\u4e9b\u8b66\u544a\u7acb\u5373\u7834\u574f\u4fe1\u4efb\uff0c\u53ef\u80fd\u5bfc\u81f4\u7528\u6237\u505c\u6b62\u8bbf\u95ee\u60a8\u7684\u7f51\u7ad9\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f<b>\u6700\u5e38\u89c1\u7684TLS\/SSL\u9519\u8bef<\/b>\u3001\u5176\u539f\u56e0\u53ca\u4e3a\u4f55\u6301\u7eed\u76d1\u63a7\u5bf9\u9884\u9632\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3 id='\u8bc1\u4e66\u8fc7\u671f'  id=\"boomdevs_29\">\u8bc1\u4e66\u8fc7\u671f<\/h3>\n<p>\u8fc7\u671f\u7684SSL\u8bc1\u4e66\u662fHTTPS\u5b95\u673a\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002\u8bc1\u4e66\u9881\u53d1\u6709\u56fa\u5b9a\u6709\u6548\u671f\uff08\u901a\u5e3890\u5929\u5230\u4e00\u5e74\uff09\u3002\u5982\u672a\u53ca\u65f6\u7eed\u8ba2\uff0c\u6d4f\u89c8\u5668\u4f1a\u5c06\u7f51\u7ad9\u6807\u8bb0\u4e3a\u4e0d\u5b89\u5168\u5e76\u963b\u6b62\u8bbf\u95ee\u3002<\/p>\n<p><b>\u539f\u56e0\uff1a<\/b><\/p>\n<ul>\n<li>\u7eed\u8ba2\u672a\u81ea\u52a8\u5316<\/li>\n<li>\u8bc1\u4e66\u7eed\u8ba2\u672a\u540c\u6b65\u90e8\u7f72\u81f3\u6240\u6709\u670d\u52a1\u5668<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861\u5668\u6216\u7f13\u5b58\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n<h3 id='\u4e3b\u673a\u540d\u4e0d\u5339\u914d'  id=\"boomdevs_30\">\u4e3b\u673a\u540d\u4e0d\u5339\u914d<\/h3>\n<p>\u4e3b\u673a\u540d\u4e0d\u5339\u914d\u662f\u6307\u8bc1\u4e66\u4e2d\u7684\u57df\u540d\u4e0e\u7528\u6237\u8bbf\u95ee\u7684URL\u4e0d\u7b26\u3002\u4f8b\u5982\uff0c\u4e3awww.example.com\u7b7e\u53d1\u7684\u8bc1\u4e66\u4e0d\u9002\u7528\u4e8e\u8bbf\u95eeapi.example.com\u3002<\/p>\n<p>\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u8bc1\u4e66\u7b7e\u53d1\u540e\u65b0\u589e\u5b50\u57df<\/li>\n<li>\u5c06\u670d\u52a1\u8fc1\u79fb\u81f3CDN\u6216\u4ee3\u7406\u4f46\u672a\u91cd\u65b0\u7b7e\u53d1\u8bc1\u4e66<\/li>\n<li>\u4e3b\u9898\u5907\u7528\u540d\u79f0\uff08SAN\uff09\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n<h3 id='\u4e0d\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784-ca'  id=\"boomdevs_31\">\u4e0d\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09<\/h3>\n<p>\u5f53\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u672a\u88ab\u6d4f\u89c8\u5668\u8ba4\u53ef\u6216\u4fe1\u4efb\u65f6\uff0c\u7528\u6237\u4f1a\u770b\u5230\u201c\u4e0d\u53d7\u4fe1\u4efb\u8bc1\u4e66\u201d\u8b66\u544a\u3002\u8fd9\u53d1\u751f\u5728\u8bc1\u4e66\u4e3a\u81ea\u7b7e\u3001\u7531\u5185\u90e8CA\u7b7e\u53d1\uff0c\u6216\u94fe\u5411\u8fc7\u65f6\u6216\u7f3a\u5931\u4e2d\u95f4\u8bc1\u4e66\u65f6\u3002<\/p>\n<p><b>\u539f\u56e0\uff1a<\/b><\/p>\n<ul>\n<li>\u751f\u4ea7\u73af\u5883\u4f7f\u7528\u81ea\u7b7e\u8bc1\u4e66<\/li>\n<li>\u5ba2\u6237\u7aef\u8bbe\u5907\u672a\u5b89\u88c5\u79c1\u6709\u6839\u8bc1\u4e66<\/li>\n<li>\u4e2d\u95f4\u8bc1\u4e66\u7f3a\u5931\u6216\u65e0\u6548<\/li>\n<\/ul>\n<h3 id='\u63e1\u624b\u5931\u8d25'  id=\"boomdevs_32\">\u63e1\u624b\u5931\u8d25<\/h3>\n<p>TLS\u63e1\u624b\u5931\u8d25\u662f\u6307\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u65e0\u6cd5\u5c31\u5b89\u5168\u8fde\u63a5\u65b9\u5f0f\u8fbe\u6210\u4e00\u81f4\u3002\u63e1\u624b\u8fc7\u7a0b\u786e\u4fdd\u53cc\u65b9\u652f\u6301\u540c\u4e00\u52a0\u5bc6\u534f\u8bae\u548c\u5bc6\u7801\u5957\u4ef6\u3002<\/p>\n<p><b>\u539f\u56e0\uff1a<\/b><\/p>\n<ul>\n<li>\u5f03\u7528\u6216\u4e0d\u652f\u6301\u7684\u5bc6\u7801\u5957\u4ef6<\/li>\n<li>\u4f7f\u7528\u5e9f\u5f03\u7684TLS\u7248\u672c\uff08\u59821.0\u62161.1\uff09<\/li>\n<li>\u8bc1\u4e66\u94fe\u914d\u7f6e\u9519\u8bef\u6216\u7f3a\u5c11\u4e2d\u95f4\u8bc1\u4e66<\/li>\n<\/ul>\n<div class=\"dcm_inblog_cta\">\n<p>\u786e\u4fdd\u60a8\u7684\u7f51\u7ad9\u6c38\u4e0d\u518d\u906d\u9047TLS\u63e1\u624b\u5931\u8d25<\/p>\n<p style=\"font-size: 22px\">\u501f\u52a9Dotcom-Monitor\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/ssl-certificate-monitoring\/\">TLS\/SSL\u76d1\u63a7<\/a>\uff0c\u60a8\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u8bc1\u4e66\u9519\u8bef\u3001\u63e1\u624b\u95ee\u9898\u548c\u8fc7\u671fSSL\uff0c\u9632\u60a3\u4e8e\u7528\u6237\u6216\u58f0\u8a89\u53d7\u5f71\u54cd\u4e4b\u524d\u3002<\/p>\n<\/div>\n<h2 id='\u5982\u4f55\u76d1\u63a7tls'  id=\"boomdevs_33\">\u5982\u4f55\u76d1\u63a7TLS<\/h2>\n<p>TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u76d1\u63a7\u9700<b>\u4e3b\u52a8\u3001\u81ea\u52a8\u4e14\u6301\u7eed<\/b>\u3002\u8bc1\u4e66\u4e0d\u4f1a\u9010\u6e10\u5931\u6548\uff0c\u5b83\u4eec\u67d0\u4e00\u5929\u5b8c\u7f8e\u5de5\u4f5c\uff0c\u4e0b\u4e00\u5929\u5c31\u963b\u585e\u8bbf\u95ee\u3002\u8fd9\u5c31\u662f\u4e3a\u4f55\u9ad8\u6548\u7684<b>TLS\/SSL\u76d1\u63a7<\/b>\u662f\u4efb\u4f55<b>\u7f51\u7ad9\u76d1\u63a7\u7b56\u7565<\/b>\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<p>\u4ee5\u4e0b\u4e3a\u786e\u4fdd\u8bc1\u4e66\u4e0d\u4f1a\u5bfc\u81f4\u610f\u5916\u505c\u673a\u6216\u4fe1\u4efb\u95ee\u9898\u7684\u5173\u952e\u5b9e\u8df5\uff1a<\/p>\n<h3 id='\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f\u548c\u8fc7\u671f\u65f6\u95f4'  id=\"boomdevs_34\">\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f\u548c\u8fc7\u671f\u65f6\u95f4<\/h3>\n<p>\u8bc1\u4e66\u8fc7\u671f\u65e0\u9884\u8b66\uff0c\u53d1\u751f\u65f6\u7528\u6237\u5373\u523b\u9047\u5230\u6d4f\u89c8\u5668\u963b\u65ad\u9519\u8bef\u3002\u4e3a\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\uff0c\u9700\u6301\u7eed\u76d1\u63a7\u8bc1\u4e66\u5230\u671f\u65e5\u671f\uff0c\u5e76\u5728\u8fc7\u671f\u524d\u63d0\u524d\u8bbe\u5b9a\u544a\u8b66\u2014\u2014\u7406\u60f3\u4e3a<b>30\u5929\u30017\u5929\u548c1\u5929<\/b>\u3002<\/p>\n<h3 id='\u9a8c\u8bc1\u5b8c\u6574\u8bc1\u4e66\u94fe'  id=\"boomdevs_35\">\u9a8c\u8bc1\u5b8c\u6574\u8bc1\u4e66\u94fe<\/h3>\n<p>\u6709\u6548SSL\u8bc1\u4e66\u7684\u4fe1\u4efb\u5ea6\u53d6\u51b3\u4e8e\u5176\u4fe1\u4efb\u94fe\u3002\u5373\u4f7f\u53f6\u8bc1\u4e66\u6709\u6548\uff0c\u7f3a\u5931\u4e2d\u95f4\u8bc1\u4e66\u4e5f\u4f1a\u5bfc\u81f4\u67d0\u4e9b\u6d4f\u89c8\u5668\u6216\u5730\u533a\u4fe1\u4efb\u5931\u8d25\u3002<\/p>\n<p>\u5b9a\u671f\u4ece\u591a\u4e2a\u5168\u7403\u5730\u70b9\u9a8c\u8bc1<b>\u5b8c\u6574\u8bc1\u4e66\u94fe<\/b>\uff0c\u4ee5\u63d0\u524d\u6355\u6349\u533a\u57df\u6027\u4e0d\u4e00\u81f4\u3002<\/p>\n<h3 id='\u68c0\u67e5\u534f\u8bae\u548c\u5bc6\u7801\u5957\u4ef6\u517c\u5bb9\u6027'  id=\"boomdevs_36\">\u68c0\u67e5\u534f\u8bae\u548c\u5bc6\u7801\u5957\u4ef6\u517c\u5bb9\u6027<\/h3>\n<p>\u6d4f\u89c8\u5668\u9891\u7e41\u6dd8\u6c70\u65e7\u534f\u8bae\uff08\u5982<b>TLS 1.0<\/b>\u548c<b>1.1<\/b>\uff09\u53ca\u5f31\u5bc6\u7801\uff0c\u4e3a\u5b89\u5168\u8d77\u89c1\u3002\u4e0d\u517c\u5bb9\u914d\u7f6e\u4f1a\u5bfc\u81f4\u7528\u6237\u65e0\u6cd5\u5b89\u5168\u8fde\u63a5\u3002<\/p>\n<h3 id='\u76d1\u63a7\u63e1\u624b\u5931\u8d25\u548c\u5ef6\u8fdf'  id=\"boomdevs_37\">\u76d1\u63a7\u63e1\u624b\u5931\u8d25\u548c\u5ef6\u8fdf<\/h3>\n<p>TLS\u63e1\u624b\u662f\u52a0\u5bc6\u901a\u4fe1\u57fa\u7840\u3002\u63e1\u624b\u5931\u8d25\u6216\u5ef6\u8fdf\u8fc7\u957f\uff0c\u7528\u6237\u5c06\u4f53\u9a8c\u5ef6\u65f6\u3001\u8d85\u65f6\u6216\u8fde\u63a5\u9519\u8bef\u3002<\/p>\n<p>\u63e1\u624b\u9519\u8bef\u5cf0\u503c\u901a\u5e38\u6e90\u4e8e<b>\u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u9519\u8bef<\/b>\u3001<b>\u8fc7\u671f\u4e2d\u95f4\u8bc1\u4e66<\/b>\u6216<b>\u65b0CDN\u90e8\u7f72<\/b>\u3002<\/p>\n<h3 id='\u81ea\u52a8\u5316\u8bc1\u4e66\u7ba1\u7406'  id=\"boomdevs_38\">\u81ea\u52a8\u5316\u8bc1\u4e66\u7ba1\u7406<\/h3>\n<p>\u9632\u6b62\u8bc1\u4e66\u76f8\u5173\u5b95\u673a\u7684\u6700\u4f73\u65b9\u5f0f\u662f\u81ea\u52a8\u5316\u3002\u50cf\u7ba1\u7406\u4ee3\u7801\u4e00\u6837\u7ba1\u7406\u8bc1\u4e66\uff1a\u81ea\u52a8\u7eed\u8ba2\uff0c\u8de8\u73af\u5883\u4e00\u81f4\u90e8\u7f72\uff0c\u6301\u7eed\u76d1\u63a7\u8fc7\u671f\uff0c\u5c31\u50cf\u76d1\u63a7\u78c1\u76d8\u7a7a\u95f4\u6216CPU\u4f7f\u7528\u7387\u4e00\u6837\u4e25\u683c\u3002<\/p>\n<h2 id='http\u9519\u8bef'  id=\"boomdevs_39\">HTTP\u9519\u8bef<\/h2>\n<p>DNS\u3001TCP\u548cTLS\u6210\u529f\u5b8c\u6210\u540e\uff0c\u6d4f\u89c8\u5668\u6700\u7ec8\u5411Web\u670d\u52a1\u5668\u53d1\u9001<b>HTTP\u8bf7\u6c42<\/b>\u3002\u670d\u52a1\u5668\u968f\u540e\u4ee5<b><a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/10-%e4%b8%aa%e6%9c%80%e5%b8%b8%e8%a7%81%e7%9a%84-http-%e7%8a%b6%e6%80%81%e4%bb%a3%e7%a0%81\/\">HTTP\u72b6\u6001\u7801<\/a><\/b> 200 OK\u54cd\u5e94\uff08\u8868\u793a\u4e00\u5207\u6b63\u5e38\uff09\u6216\u9519\u8bef\u7801\u54cd\u5e94\u3002<\/p>\n<p>\u76d1\u63a7\u8fd9\u4e9bHTTP\u54cd\u5e94\u901a\u5e38\u662f\u4eba\u4eec\u6700\u5148\u8054\u60f3\u5230\u7684<b>\u7f51\u7ad9\u5728\u7ebf\u65f6\u95f4\u76d1\u63a7<\/b>\u65b9\u5f0f\u3002\u4f46\u76d1\u63a7HTTP\u54cd\u5e94\u53ea\u662f\u7f51\u7ad9\u5728\u7ebf\u76d1\u63a7\u7684\u4e00\u4e2a\u65b9\u9762\u3002\u6ca1\u6709\u4e0a\u5c42\uff08DNS\u3001TCP\u3001TLS\uff09\u7684\u4e0a\u4e0b\u6587\uff0cHTTP\u76d1\u63a7\u53ea\u80fd\u663e\u793a<b>\u5931\u8d25\u4e86\u4ec0\u4e48<\/b>\uff0c\u5374\u65e0\u6cd5\u63ed\u793a<b>\u4e3a\u4f55\u5931\u8d25<\/b>\u3002\u8fd9\u4e5f\u662f\u4e3a\u4f55\u9ad8\u7ea7<b>Web\u5e94\u7528\u76d1\u63a7<\/b>\u9700\u4ece\u53ef\u7528\u6027\u5ef6\u4f38\u5230\u6027\u80fd\u3001\u54cd\u5e94\u7801\u548c\u4e8b\u52a1\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id='\u5e38\u89c1http\u9519\u8bef'  id=\"boomdevs_40\">\u5e38\u89c1HTTP\u9519\u8bef<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5f71\u54cd\u7f51\u7ad9\u53ef\u7528\u6027\u548c\u7528\u6237\u4f53\u9a8c\u7684HTTP\u95ee\u9898\uff1a<\/p>\n<ul>\n<li><b>404 \u672a\u627e\u5230\uff1a<\/b>\u8bf7\u6c42\u7684\u9875\u9762\u6216\u8d44\u6e90\u4e0d\u5b58\u5728\uff0c\u53ef\u80fd\u7531\u65ad\u94fe\u3001\u9875\u9762\u5220\u9664\u6216\u8def\u7531\u914d\u7f6e\u9519\u8bef\u5f15\u8d77\u3002<\/li>\n<li><b>500 \u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\uff1a<\/b>\u670d\u52a1\u5668\u9047\u5230\u610f\u5916\u60c5\u51b5\uff0c\u5e38\u56e0\u5e94\u7528\u4ee3\u7801\u7f3a\u9677\u3001\u914d\u7f6e\u9519\u8bef\u6216\u8fdb\u7a0b\u8fc7\u8f7d\u3002<\/li>\n<li><b>502 \u9519\u8bef\u7f51\u5173\uff1a<\/b>\u4ee3\u7406\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u4ece\u4e0a\u6e38\u670d\u52a1\u5668\u6536\u5230\u65e0\u6548\u54cd\u5e94\uff0c\u5e38\u89c1\u4e8e\u5206\u5e03\u5f0f\u6216\u5fae\u670d\u52a1\u73af\u5883\u3002<\/li>\n<li><b>503 \u670d\u52a1\u4e0d\u53ef\u7528\uff1a<\/b>\u670d\u52a1\u5668\u6682\u65f6\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\uff0c\u901a\u5e38\u7531\u4e8e\u7ef4\u62a4\u6216\u5bb9\u91cf\u9650\u5236\u3002<\/li>\n<li><b>504 \u7f51\u5173\u8d85\u65f6\uff1a<\/b>\u4e0a\u6e38\u670d\u52a1\u54cd\u5e94\u8fc7\u6162\uff0c\u5bfc\u81f4\u8bf7\u6c42\u5728\u670d\u52a1\u5668\u8fd4\u56de\u54cd\u5e94\u524d\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u9519\u8bef\u5747\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u548c\u8f6c\u5316\uff0c\u4e14\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u4e0d\u4f1a\u77e5\u9053\u6216\u5173\u5fc3\u539f\u56e0\uff0c\u53ea\u4f1a\u6d41\u5931\u3002<\/p>\n<h3 id='\u5982\u4f55\u76d1\u63a7http'  id=\"boomdevs_41\">\u5982\u4f55\u76d1\u63a7HTTP<\/h3>\n<p>\u6709\u6548\u7684<b>HTTP\u76d1\u63a7<\/b>\u8fdc\u4e0d\u6b62\u68c0\u67e5\u4e3b\u9875\u662f\u5426\u52a0\u8f7d\u3002\u5b83\u5e94\u9a8c\u8bc1<b>\u54cd\u5e94\u7801\u3001\u54cd\u5e94\u65f6\u95f4\u548c\u4e8b\u52a1\u6210\u529f\u7387<\/b>\uff0c\u6db5\u76d6\u7f51\u7ad9\u4f53\u9a8c\u7684\u6bcf\u4e2a\u5c42\u9762\u3002<\/p>\n<p>\u5173\u952e\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><b>\u5408\u6210\u4e8b\u52a1\uff1a<\/b>\u6a21\u62df\u771f\u5b9e\u7528\u6237\u64cd\u4f5c\uff0c\u5982\u767b\u5f55\u3001\u6dfb\u52a0\u8d2d\u7269\u8f66\uff0c\u5b8c\u6210\u7ed3\u8d26\uff0c\u786e\u4fdd\u5b8c\u6574\u6d41\u7a0b\u6b63\u5e38\u3002<\/li>\n<li><b>\u54cd\u5e94\u4ee3\u7801\u8ffd\u8e2a\uff1a<\/b>\u81ea\u52a8\u6355\u6349\u5e76\u62a5\u8b66\u6240\u6709\u975e200\u2013299\u8303\u56f4\u5185\u7684\u54cd\u5e94\uff0c\u5feb\u901f\u8bc6\u522b\u670d\u52a1\u5668\u6216\u5e94\u7528\u5c42\u6545\u969c\u3002<\/li>\n<li><b>\u6027\u80fd\u9608\u503c\uff1a<\/b>\u5168\u7403\u76d1\u63a7\u54cd\u5e94\u65f6\u95f4\u548c\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u3002\u5373\u4fbf\u7f51\u7ad9\u5728\u7ebf\uff0c\u6027\u80fd\u6162\u4e5f\u4f1a\u9a71\u8d70\u7528\u6237\u3002<\/li>\n<li><b>\u5168\u7403\u76d1\u63a7\u8282\u70b9\uff1a<\/b>\u4ece\u591a\u4e2a\u5730\u7406\u533a\u57df\u8fd0\u884cHTTP\u68c0\u67e5\uff0c\u8bc6\u522b\u5ef6\u8fdf\u3001CDN\u95ee\u9898\u6216\u8def\u7531\u74f6\u9888\uff0c\u5f71\u54cd\u5168\u7403\u53d7\u4f17\u3002<\/li>\n<\/ul>\n<h3 id='http\u76d1\u63a7\u7684\u91cd\u8981\u6027'  id=\"boomdevs_42\">HTTP\u76d1\u63a7\u7684\u91cd\u8981\u6027<\/h3>\n<p>HTTP\u76d1\u63a7\u4e0d\u4ec5\u786e\u8ba4\u5728\u7ebf\u72b6\u6001\uff0c\u66f4\u5173\u4e4e\u5e94\u7528\u5065\u5eb7\u548c\u7528\u6237\u4f53\u9a8c\u3002\u54cd\u5e94\u7f13\u6162\u6216\u4e0d\u7a33\u5b9a\u7684\u7f51\u7ad9\u5c06\u5931\u53bb\u6d41\u91cf\u3001\u8f6c\u5316\u548cSEO\u6392\u540d\u3002\u901a\u8fc7\u5728DNS\u3001TCP\u548cTLS\u68c0\u67e5\u4e0a\u53e0\u52a0HTTP\u76d1\u63a7\uff0c\u60a8\u53ef\u5168\u9762\u6d1e\u5bdf\u95ee\u9898\u8d77\u56e0\uff0c\u662f\u5e94\u7528\u4ee3\u7801\u3001\u57fa\u7840\u8bbe\u65bd\u8fd8\u662f\u4e0a\u6e38\u4f9d\u8d56\u3002<\/p>\n<h3 id='\u5e38\u89c1http\u9519\u8bef-1'  id=\"boomdevs_43\">\u5e38\u89c1HTTP\u9519\u8bef<\/h3>\n<p>\u76d1\u63a7\u7f51\u7ad9\u5728\u7ebf\u65f6\u95f4\u548c\u6027\u80fd\u65f6\uff0cHTTP\u72b6\u6001\u7801\u63ed\u793a\u6bcf\u4e2a\u7528\u6237\u8bf7\u6c42\u7684\u7ed3\u679c\u3002\u7406\u89e3\u5e38\u89c1HTTP\u9519\u8bef\u6709\u52a9\u4e8e\u5224\u65ad\u95ee\u9898\u53d1\u751f\u5728<b>\u5e94\u7528<\/b>\u3001<b>\u670d\u52a1\u5668<\/b>\u6216<b>\u4e0a\u6e38\u4f9d\u8d56<\/b>\u3002<\/p>\n<ul>\n<li><b>404 \u672a\u627e\u5230\uff1a<\/b>\u8868\u793a\u8bf7\u6c42\u7684\u8d44\u6e90\u6216\u9875\u9762\u4e0d\u5b58\u5728\uff0c\u901a\u5e38\u56e0<b>\u65ad\u94fe<\/b>\u3001<b>\u5185\u5bb9\u5220\u9664<\/b>\u6216<b>URL\u8def\u7531\u9519\u8bef<\/b>\u3002\u5b9a\u671f<b>HTTP\u76d1\u63a7<\/b>\u5e2e\u52a9\u65e9\u671f\u53d1\u73b0\u6b64\u7c7b\u9519\u8bef\uff0c\u7ef4\u62a4SEO\u548c\u7528\u6237\u4fe1\u4efb\u3002<\/li>\n<li><b>500 \u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\uff1a<\/b>\u6cdb\u6307\u670d\u52a1\u5668\u7aef\u5931\u8d25\uff0c\u5e38\u56e0<b>\u5e94\u7528\u7f3a\u9677<\/b>\u3001<b>\u670d\u52a1\u5668\u914d\u7f6e<\/b>\u6216<b>\u540e\u7aef\u8fdb\u7a0b\u8fc7\u8f7d<\/b>\u3002\u76d1\u63a7HTTP\u54cd\u5e94\u65e5\u5fd7\u80fd\u8fc5\u901f\u5b9a\u4f4d\u91cd\u590d500\u9519\u8bef\uff0c\u51cf\u5c11\u7528\u6237\u5f71\u54cd\u3002<\/li>\n<li><b>502 \u9519\u8bef\u7f51\u5173\uff1a<\/b>\u5f53\u4ee3\u7406\u3001CDN\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u4ece\u4e0a\u6e38\u670d\u52a1\u5668\u6536\u5230\u65e0\u6548\u54cd\u5e94\u65f6\u53d1\u751f\u3002\u8fd9\u5728\u5206\u5e03\u5f0f\u6216\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u5e38\u89c1\uff0c\u8868\u73b0\u4e3a\u7ec4\u4ef6\u95f4\u901a\u4fe1\u5931\u8d25\u3002<\/li>\n<li><b>503 \u670d\u52a1\u4e0d\u53ef\u7528\uff1a<\/b>\u8868\u793a\u670d\u52a1\u5668\u6682\u65f6\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\uff0c\u901a\u5e38\u56e0<b>\u8ba1\u5212\u6027\u7ef4\u62a4<\/b>\u3001<b>\u8d44\u6e90\u8017\u5c3d<\/b>\u6216<b>\u6d41\u91cf\u5cf0\u503c<\/b>\u3002\u79ef\u6781\u76d1\u63a7\u6709\u52a9\u4e8e\u56e2\u961f\u63d0\u524d\u53d1\u73b0\u5e76\u7f13\u89e3\u8fc7\u8f7d\uff0c\u9632\u6b62\u6269\u6563\u505c\u673a\u3002<\/li>\n<li><b>504 \u7f51\u5173\u8d85\u65f6\uff1a<\/b>\u4e0a\u6e38\u670d\u52a1\u5668\u54cd\u5e94\u8fc7\u6162\u5bfc\u81f4\u7f51\u5173\u6216\u4ee3\u7406\u8d85\u65f6\uff0c\u53ef\u80fd\u663e\u793a\u5e94\u7528\u5806\u6808\u4e2d<b>\u5ef6\u8fdf<\/b>\u3001<b>\u6570\u636e\u5e93\u74f6\u9888<\/b>\u6216<b>\u4f9d\u8d56\u7f13\u6162<\/b>\u3002<\/li>\n<\/ul>\n<h2 id='\u6574\u5408\u89c6\u89d2-\u5206\u5c42\u9519\u8bef\u76d1\u63a7\u7b56\u7565'  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