{"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":"2026-05-22T15:26:02","modified_gmt":"2026-05-22T15:26:02","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=\"Website Monitoring by Error Type\" 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\u5f80\u5f80\u50cf\u662f\u4e00\u4e2a\u9ed1\u5323\u5b50\u91cc\u7684\u8c1c\u56e2\u3002\u8bbf\u5ba2\u770b\u5230\u7684\u662f\u52a0\u8f7d\u65cb\u8f6c\u3001\u9519\u8bef\u4ee3\u7801\u6216\u7a7a\u767d\u9875\u9762\uff0c\u4f46\u5bf9 IT \u56e2\u961f\u548c DevOps \u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u7b2c\u4e00\u4e2a\u95ee\u9898\u59cb\u7ec8\u76f8\u540c\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\u65b9\u5f0f\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\u548c HTTP \u54cd\u5e94\u2014\u2014\u6bcf\u4e00\u5c42\u90fd\u53ef\u80fd\u51fa\u73b0\u6545\u969c\u70b9\u3002\u5982\u679c\u94fe\u6761\u4e2d\u7684\u67d0\u4e00\u73af\u51fa\u73b0\u6545\u969c\uff0c\u7528\u6237\u4f53\u9a8c\u5c31\u4f1a\u6574\u4f53\u53d7\u5f71\u54cd\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u73b0\u4ee3\u7f51\u7ad9\u76d1\u63a7\u8d85\u8d8a\u4e86\u7b80\u5355\u7684\u53ef\u7528\u6027\u68c0\u67e5\u3002\u667a\u80fd\u76d1\u63a7\u4e0d\u4ec5\u544a\u8bc9\u60a8\u7f51\u7ad9\u201c\u5b95\u673a\u201d\uff1b\u8fd8\u4f1a\u5b9a\u4f4d\u95ee\u9898\u53d1\u751f\u7684\u5c42\u7ea7\u3002<\/p>\n<ul>\n<li aria-level=\"1\">DNS \u9519\u8bef\u6307\u5411\u57df\u540d\u6216\u89e3\u6790\u5668\u95ee\u9898\u3002<\/li>\n<li aria-level=\"1\">TCP \u6545\u969c\u63d0\u793a\u8fde\u63a5\u6216\u9632\u706b\u5899\u95ee\u9898\u3002<\/li>\n<li aria-level=\"1\">TLS\/SSL \u9519\u8bef\u8868\u793a\u8bc1\u4e66\u6216\u5b89\u5168\u76f8\u5173\u95ee\u9898\u3002<\/li>\n<li aria-level=\"1\">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\u5931\u8d25\uff0c\u56e2\u961f\u53ef\u4ee5\u66f4\u5feb\u54cd\u5e94\u3001\u964d\u4f4e\u5e73\u5747\u4fee\u590d\u65f6\u95f4\uff08MTTR\uff09\uff0c\u5e76\u5728\u4e0d\u6d6a\u8d39\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\u70b9'  id=\"boomdevs_1\">DNS \u9519\u8bef\uff1a\u7f51\u7ad9\u6545\u969c\u7684\u7b2c\u4e00\u70b9<\/h2>\n<p>\u6bcf\u4e2a\u7f51\u7ad9\u8bf7\u6c42\u90fd\u59cb\u4e8e DNS\uff08<b>\u57df\u540d\u7cfb\u7edf<\/b>\uff09\u89e3\u6790\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7ad9\u4ea4\u4ed8\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\u662f\u8fdb\u884c DNS \u67e5\u8be2\uff0c\u5c06\u57df\u540d\u8f6c\u6362\u4e3a\u544a\u8bc9\u6d4f\u89c8\u5668\u53bb\u54ea\u91cc\u8fde\u63a5\u7684 IP \u5730\u5740\u3002<\/p>\n<p>\u5982\u679c\u8fd9\u4e00\u6b65\u5931\u8d25\uff0c\u5176\u4f59\u6b65\u9aa4\u90fd\u65e0\u6cd5\u7ee7\u7eed\u3002\u6d4f\u89c8\u5668\u4e0d\u4f1a\u5efa\u7acb TCP \u8fde\u63a5\uff0c\u4e5f\u4e0d\u4f1a\u9a8c\u8bc1 TLS\/SSL \u8bc1\u4e66\uff0c\u4ea6\u4e0d\u4f1a\u6536\u5230 HTTP \u54cd\u5e94\u3002\u6362\u8a00\u4e4b\uff0cDNS \u662f\u57fa\u7840\uff0c\u57fa\u7840\u51fa\u95ee\u9898\uff0c\u6574\u4e2a\u7f51\u7ad9\u5c31\u4f1a\u201c\u65ad\u7535\u201d\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\u901a<\/a>\u5e38\u662f\u6f5c\u5728\u7f51\u7ad9\u4e2d\u65ad\u7684\u9996\u8981\u4e14\u6700\u91cd\u8981\u7684\u6307\u6807\u3002\u63d0\u524d\u6355\u6349 DNS \u95ee\u9898\uff0c\u4f7f\u56e2\u961f\u80fd\u5728\u95ee\u9898\u6269\u5927\u524d\u9632\u6b62\u5927\u9762\u79ef\u505c\u673a\u3001\u907f\u514d\u8425\u6536\u635f\u5931\u5e76\u7ef4\u62a4\u7528\u6237\u4fe1\u4efb\u3002<\/p>\n<h2 id='\u5e38\u89c1-dns-\u9519\u8bef\u53ca\u5176\u542b\u4e49'  id=\"boomdevs_2\">\u5e38\u89c1 DNS \u9519\u8bef\u53ca\u5176\u542b\u4e49<\/h2>\n<p>\u56e0\u4e3a DNS \u662f\u6bcf\u6b21\u7f51\u7ad9\u8bf7\u6c42\u7684\u7b2c\u4e00\u6b65\uff0c\u5373\u4fbf\u662f\u5fae\u5c0f\u7684\u95ee\u9898\u4e5f\u80fd\u5bfc\u81f4\u91cd\u5927\u4e2d\u65ad\u3002\u7406\u89e3\u5e38\u89c1\u7684 <b>DNS \u9519\u8bef\u7c7b\u578b<\/b> \u80fd\u5e2e\u52a9\u56e2\u961f\u66f4\u5feb\u5b9a\u4f4d\u6839\u56e0\u5e76\u5728\u505c\u673a\u5f71\u54cd\u7528\u6237\u524d\u505a\u51fa\u54cd\u5e94\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6700\u5e38\u89c1\u7684 DNS \u6545\u969c\u53ca\u5176\u6307\u793a\u542b\u4e49\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>\u8be5\u9519\u8bef\u8868\u793a\u57df\u540d\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u89e3\u6790\u3002<br \/>\n\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u57df\u540d\u8fc7\u671f\u6216\u672a\u6ce8\u518c<\/li>\n<li aria-level=\"1\">DNS \u533a\u57df\u6587\u4ef6\u914d\u7f6e\u9519\u8bef<\/li>\n<li aria-level=\"1\">DNS \u8bb0\u5f55\u6216 CNAME \u6761\u76ee\u4e2d\u7684\u62fc\u5199\u9519\u8bef<\/li>\n<\/ul>\n<p>\u57df\u540d\u8fc7\u671f\u4f1a\u7acb\u5373\u4f7f\u7f51\u7ad9\u79bb\u7ebf\uff0c\u800c\u5c0f\u7684\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u53ea\u5f71\u54cd\u7279\u5b9a\u5b50\u57df\u6216\u670d\u52a1\u3002\u6301\u7eed\u7684 <b>DNS \u76d1\u63a7<\/b> \u6709\u52a9\u4e8e\u5728\u57df\u540d\u7eed\u8d39\u6216\u914d\u7f6e\u53d8\u66f4\u540e\u53ca\u65e9\u53d1\u73b0\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h3 id='2-servfail-\u670d\u52a1\u5668\u6545\u969c'  id=\"boomdevs_4\">2. SERVFAIL\uff08\u670d\u52a1\u5668\u6545\u969c\uff09<\/h3>\n<p><b>SERVFAIL<\/b> \u8868\u793a\u6743\u5a01 DNS \u670d\u52a1\u5668\u65e0\u6cd5\u5904\u7406\u67e5\u8be2\u3002<br \/>\n\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u533a\u57df\u6587\u4ef6\u635f\u574f\u6216\u4e0d\u5b8c\u6574<\/li>\n<li aria-level=\"1\">\u7f3a\u5931\u7684 glue \u8bb0\u5f55<\/li>\n<li aria-level=\"1\">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\u6709\u7f3a\u9677\u90e8\u7f72\u7684\u65e9\u671f\u9884\u8b66\u4fe1\u53f7\u3002\u5b9e\u65f6\u7684 <b>DNS \u5065\u5eb7\u68c0\u67e5<\/b> \u80fd\u5728\u8fd9\u4e9b\u670d\u52a1\u5668\u7ea7\u522b\u95ee\u9898\u51fa\u73b0\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>\u5f53 DNS \u67e5\u8be2\u5728\u9884\u671f\u65f6\u95f4\u7a97\u53e3\u5185\u672a\u6536\u5230\u54cd\u5e94\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8d85\u65f6\u3002<br \/>\n\u5178\u578b\u6839\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u540d\u79f0\u670d\u52a1\u5668\u8fc7\u8f7d\u6216\u65e0\u54cd\u5e94<\/li>\n<li aria-level=\"1\">\u7f51\u7edc\u5ef6\u8fdf\u6216\u8fde\u901a\u6027\u6545\u969c<\/li>\n<li aria-level=\"1\">DDoS \u653b\u51fb\u538b\u57ae\u89e3\u6790\u5668<\/li>\n<\/ul>\n<p>\u7531\u4e8e DNS \u67e5\u8be2\u53d1\u751f\u5728\u7f13\u5b58\u6216\u5185\u5bb9\u4ea4\u4ed8\u4e4b\u524d\uff0c\u5373\u4fbf\u662f\u5c0f\u7684\u5ef6\u8fdf\u4e5f\u53ef\u80fd\u7ea7\u8054\u4e3a\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u53d8\u957f\u5e76\u964d\u4f4e\u7528\u6237\u4f53\u9a8c\u3002\u4e3b\u52a8\u7684 <b>\u5168\u7403 DNS \u76d1\u63a7<\/b>\uff08\u5982 <b>Dotcom-Monitor<\/b> \u63d0\u4f9b\u7684\uff09\u4ece\u591a\u4e2a\u4f4d\u7f6e\u6d4b\u8bd5\u67e5\u8be2\uff0c\u4ee5\u5728\u5ba2\u6237\u611f\u77e5\u5230\u5f71\u54cd\u4e4b\u524d\u68c0\u6d4b\u8fd9\u4e9b\u5730\u533a\u6027\u6216\u63d0\u4f9b\u5546\u7279\u5b9a\u7684\u6162\u901f\u60c5\u51b5\u3002<\/p>\n<h2 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7-dns'  id=\"boomdevs_6\">\u5982\u4f55\u6709\u6548\u76d1\u63a7 DNS<\/h2>\n<p>\u76d1\u63a7 <b>DNS \u5065\u5eb7<\/b> \u4e0d\u53ea\u662f\u9a8c\u8bc1\u57df\u540d\u80fd\u5426\u89e3\u6790\u4e00\u6b21\u3002\u8981\u771f\u6b63\u7406\u89e3\u6027\u80fd\u4e0e\u53ef\u9760\u6027\uff0c\u76d1\u63a7\u5e94\u6a21\u62df\u771f\u5b9e\u7528\u6237\u5728\u4e0d\u540c\u4f4d\u7f6e\u4e0e\u7f51\u7edc\u4e0b\u8bbf\u95ee\u60a8\u7f51\u7ad9\u7684\u4f53\u9a8c\u3002<\/p>\n<p>\u5b9e\u65bd <b>\u5168\u9762 DNS \u76d1\u63a7<\/b> \u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<h3 id='\u8fd0\u884c\u5168\u7403-dns-\u68c0\u67e5'  id=\"boomdevs_7\">\u8fd0\u884c\u5168\u7403 DNS \u68c0\u67e5<\/h3>\n<p>DNS \u6027\u80fd\u4f1a\u56e0\u5730\u7406\u4f4d\u7f6e\u800c\u5f02\u3002\u4ece\u60a8\u672c\u5730\u529e\u516c\u5ba4\u5373\u65f6\u89e3\u6790\u7684\u8bb0\u5f55\u53ef\u80fd\u5728\u5176\u4ed6\u5730\u533a\u56e0\u4e3a <b>anycast \u8def\u7531\u95ee\u9898<\/b> \u6216\u533a\u57df\u7f51\u7edc\u4e2d\u65ad\u800c\u5931\u8d25\u3002<\/p>\n<p>\u4f7f\u7528\u6765\u81ea\u591a\u4e2a\u5168\u7403\u4f4d\u7f6e\u7684 <b><a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%89%b9%e5%be%81\/synthetic-monitoring\/\">\u5408\u6210\u76d1\u63a7<\/a> \u4ee3\u7406<\/b> \u6765\u6a21\u62df\u771f\u5b9e\u4e16\u754c\u7684\u67e5\u8be2\uff0c\u5e76\u5728\u95ee\u9898\u5f71\u54cd\u7528\u6237\u4e4b\u524d\u68c0\u6d4b\u7279\u5b9a\u533a\u57df\u7684\u95ee\u9898\u3002<\/p>\n<p>\u50cf <b>Dotcom-Monitor<\/b> \u8fd9\u6837\u7684\u5de5\u5177\u6267\u884c <b>\u591a\u533a\u57df DNS \u89e3\u6790\u6d4b\u8bd5<\/b>\uff0c\u5b9e\u65f6\u8bc6\u522b\u5ef6\u8fdf\u5cf0\u503c\u3001\u67e5\u8be2\u5931\u8d25\u6216\u4e0d\u4e00\u81f4\u7684\u8bb0\u5f55\u3002<\/p>\n<h3 id='\u8ddf\u8e2a-ttl-\u751f\u5b58\u65f6\u95f4-\u884c\u4e3a'  id=\"boomdevs_8\">\u8ddf\u8e2a TTL\uff08\u751f\u5b58\u65f6\u95f4\uff09\u884c\u4e3a<\/h3>\n<p>\u6bcf\u6761 DNS \u8bb0\u5f55\u90fd\u5305\u542b\u4e00\u4e2a <b>TTL \u503c<\/b>\uff0c\u5b9a\u4e49\u89e3\u6790\u5668\u5728\u91cd\u65b0\u67e5\u8be2\u524d\u7f13\u5b58\u8be5\u8bb0\u5f55\u7684\u65f6\u95f4\u3002<br \/>\n\u8f83\u957f\u7684 TTL \u53ef\u63d0\u5347\u7ec8\u7aef\u7528\u6237\u7684\u6027\u80fd\uff0c\u4f46\u4f1a\u5728\u914d\u7f6e\u66f4\u6539\u6216\u8fc1\u79fb\u540e\u5ef6\u8fdf\u66f4\u65b0\u751f\u6548\u3002<br \/>\n\u76d1\u63a7\u5de5\u5177\u5e94\u9a8c\u8bc1\u66f4\u65b0\u503c\u662f\u5426\u6b63\u786e\u4f20\u64ad\uff0c\u5e76\u68c0\u67e5\u662f\u5426\u5728\u5404\u533a\u57df\u9057\u7559\u6709 <b>\u9648\u65e7\u7684 DNS \u7f13\u5b58\u6761\u76ee<\/b>\u3002<\/p>\n<h3 id='\u8bbe\u7f6e\u5f02\u5e38\u68c0\u6d4b\u4e0e\u8b66\u62a5'  id=\"boomdevs_9\">\u8bbe\u7f6e\u5f02\u5e38\u68c0\u6d4b\u4e0e\u8b66\u62a5<\/h3>\n<p>DNS \u76d1\u63a7\u6700\u6709\u4ef7\u503c\u7684\u6d1e\u89c1\u6765\u6e90\u4e8e\u8d8b\u52bf\u5206\u6790\u3002<\/p>\n<ul>\n<li aria-level=\"1\"><b>NXDOMAIN<\/b> \u6216 <b>SERVFAIL<\/b> \u54cd\u5e94\u7684\u7a81\u7136\u589e\u52a0<\/li>\n<li aria-level=\"1\">DNS \u89e3\u6790\u5ef6\u8fdf\u4e0a\u5347<\/li>\n<li aria-level=\"1\">\u54cd\u5e94\u65f6\u95f4\u7684\u5730\u533a\u6027\u4e0d\u4e00\u81f4<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u662f\u6df1\u5c42\u95ee\u9898\u7684\u65e9\u671f\u8ff9\u8c61\u2014\u2014\u901a\u5e38\u5728\u7528\u6237\u62a5\u544a\u6545\u969c\u524d\u6570\u5c0f\u65f6\u5c31\u4f1a\u51fa\u73b0\u3002\u81ea\u52a8\u5316\u7684 <b>DNS \u5f02\u5e38\u544a\u8b66<\/b> \u4f7f\u56e2\u961f\u80fd\u591f\u5373\u65f6\u53cd\u5e94\uff0c\u786e\u4fdd\u9ad8\u53ef\u7528\u6027\u5e76\u52a0\u5feb\u6062\u590d\u901f\u5ea6\u3002<\/p>\n<p>\u5f53 DNS \u76d1\u63a7\u6b63\u786e\u5b9e\u65bd\u65f6\uff0c\u5b83\u4e0d\u4ec5\u80fd\u8bc6\u522b\u6839\u56e0\uff0c\u8fd8\u80fd\u6392\u67e5\u54ea\u4e9b\u5185\u5bb9\u5e76\u672a\u51fa\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c DNS \u89e3\u6790\u5931\u8d25\uff0c\u8bf4\u660e <b>TCP\u3001TLS \u548c HTTP<\/b> \u68c0\u67e5\u6839\u672c\u672a\u5f00\u59cb\u6267\u884c\u3002\u8fd9\u79cd\u6e05\u6670\u5ea6\u80fd\u5feb\u901f\u7f29\u5c0f\u8c03\u67e5\u8303\u56f4\uff0c\u5e76\u5e2e\u52a9\u56e2\u961f\u8054\u7cfb\u5408\u9002\u7684\u4f9b\u5e94\u5546\uff08DNS \u6258\u7ba1\u5546\u3001\u6ce8\u518c\u5546\u6216\u7f51\u7edc\u63d0\u4f9b\u5546\uff09\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<h2 id='tcp-\u8fde\u63a5\u5931\u8d25-\u5f53\u7f51\u7edc\u63e1\u624b\u4e2d\u65ad'  id=\"boomdevs_10\">TCP \u8fde\u63a5\u5931\u8d25\uff1a\u5f53\u7f51\u7edc\u63e1\u624b\u4e2d\u65ad<\/h2>\n<p>\u5728 <b>DNS \u89e3\u6790<\/b> \u6210\u529f\u8fd4\u56de IP \u5730\u5740\u540e\uff0c\u8bf7\u6c42\u94fe\u7684\u4e0b\u4e00\u9636\u6bb5\u662f <b>TCP \u63e1\u624b<\/b>\u2014\u2014\u5728\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>\u8be5\u63e1\u624b\u9075\u5faa\u4e00\u4e2a\u7b80\u5355\u7684\u4e09\u6b65\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li aria-level=\"1\">\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a <b>SYN<\/b>\uff08\u540c\u6b65\uff09\u5305\u3002<\/li>\n<li aria-level=\"1\">\u670d\u52a1\u5668\u56de\u590d\u4e00\u4e2a <b>SYN-ACK<\/b>\uff08\u540c\u6b65\u786e\u8ba4\uff09\u5305\u3002<\/li>\n<li aria-level=\"1\">\u5ba2\u6237\u7aef\u53d1\u9001\u56de\u4e00\u4e2a <b>ACK<\/b>\uff0c\u5b8c\u6210\u8fde\u63a5\u3002<\/li>\n<\/ol>\n<p>\u53ea\u6709\u5728\u63e1\u624b\u5b8c\u6210\u540e\uff0c\u6d4f\u89c8\u5668\u4e0e Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6570\u636e\u624d\u80fd\u5f00\u59cb\u4f20\u8f93\u3002<\/p>\n<p>\u5f53 <b>TCP \u5931\u8d25<\/b> \u65f6\uff0c\u6d4f\u89c8\u5668\u77e5\u9053\u670d\u52a1\u5668\u5728\u54ea\u91cc\uff08\u591a\u4e8f\u4e86 DNS\uff09\uff0c\u4f46\u65e0\u6cd5\u4e0e\u4e4b\u5efa\u7acb\u8fde\u63a5\u3002\u7ed3\u679c\u5c31\u50cf\u4e00\u4e2a <b>\u9ed1\u6d1e<\/b>\uff1a\u9875\u9762\u65e0\u9650\u6302\u8d77\uff0c\u5957\u63a5\u5b57\u4fdd\u6301\u5173\u95ed\uff0c\u7528\u6237\u770b\u5230\u65e0\u5c3d\u7684\u52a0\u8f7d\u52a8\u753b\u3002<\/p>\n<p>\u4e0e\u901a\u5e38\u7acb\u5373\u4e14\u660e\u663e\u7684 <b>DNS \u6545\u969c<\/b> \u4e0d\u540c\uff0c<b>TCP \u8fde\u63a5\u95ee\u9898<\/b> \u5e38\u5bfc\u81f4 <b>\u90e8\u5206\u5b95\u673a<\/b>\uff1a\u7ad9\u70b9\u5bf9\u4e8e\u90e8\u5206\u7528\u6237\u53ef\u8fbe\uff0c\u800c\u5bf9\u53e6\u4e00\u90e8\u5206\u7528\u6237\u4e0d\u53ef\u8fbe\u3002\u8fd9\u79cd\u4e0d\u4e00\u81f4\u6027\u4f7f\u5f97 <b>TCP \u76d1\u63a7<\/b> \u6210\u4e3a\u4efb\u4f55\u7f51\u7ad9\u6027\u80fd\u4e0e\u53ef\u7528\u6027\u7b56\u7565\u7684\u5173\u952e\u5c42\u3002<\/p>\n<h3 id='\u5e38\u89c1-tcp-\u9519\u8bef\u53ca\u5176\u542b\u4e49'  id=\"boomdevs_11\">\u5e38\u89c1 TCP \u9519\u8bef\u53ca\u5176\u542b\u4e49<\/h3>\n<p>\u4e00\u65e6 TCP \u63e1\u624b\u5f00\u59cb\uff0c\u5c31\u53ef\u80fd\u53d1\u751f\u82e5\u5e72\u4e0e\u7f51\u7edc\u76f8\u5173\u7684\u6545\u969c\uff0c\u963b\u6b62\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u6210\u529f\u901a\u4fe1\u3002\u7406\u89e3\u8fd9\u4e9b TCP \u9519\u8bef\u7c7b\u578b\u80fd\u5e2e\u52a9\u56e2\u961f\u8fc5\u901f\u8bca\u65ad\u8fde\u63a5\u65ad\u5728\u54ea\u4e00\u73af\uff0c\u4ee5\u53ca\u9700\u8981\u5173\u6ce8\u7684\u662f\u7f51\u7edc\u3001\u9632\u706b\u5899\u8fd8\u662f\u5e94\u7528\u7ec4\u4ef6\u3002<\/p>\n<p>\u4e0b\u9762\u5217\u51fa\u6700\u5e38\u89c1\u7684 TCP \u8fde\u63a5\u9519\u8bef\u53ca\u5176\u5178\u578b\u542b\u4e49\uff1a<\/p>\n<h4 id='1-connection-refused-\u8fde\u63a5\u88ab\u62d2'  id=\"boomdevs_12\">1. Connection Refused\uff08\u8fde\u63a5\u88ab\u62d2\uff09<\/h4>\n<p>\u8be5\u9519\u8bef\u8868\u793a\u5ba2\u6237\u7aef\u5df2\u6210\u529f\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\uff0c\u4f46\u5728\u9884\u671f\u7aef\u53e3\u4e0a\u6ca1\u6709\u4efb\u4f55\u670d\u52a1\u5728\u76d1\u542c\u3002<\/p>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">Web \u6216\u5e94\u7528\u670d\u52a1\u610f\u5916\u5d29\u6e83<\/li>\n<li aria-level=\"1\">\u5bb9\u5668\u6216\u865a\u62df\u673a\u88ab\u7ec8\u6b62\u6216\u91cd\u65b0\u90e8\u7f72<\/li>\n<li aria-level=\"1\">\u8d1f\u8f7d\u5747\u8861\u5668\u6216\u7aef\u53e3\u7ed1\u5b9a\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n<p><b>\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b<\/b>\uff1aWeb \u670d\u52a1\u5668\u672a\u7ed1\u5b9a\u5230\u7aef\u53e3 443\uff08HTTPS\uff09\u65f6\uff0c\u5373\u4fbf\u5e95\u5c42\u670d\u52a1\u5668\u8fd0\u884c\u6b63\u5e38\uff0c\u8be5\u7ad9\u70b9\u4ecd\u4f1a\u663e\u5f97\u201c\u5b95\u673a\u201d\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5<\/b>: \u4f7f\u7528 TCP \u7aef\u53e3\u76d1\u63a7\u786e\u8ba4\u670d\u52a1\u6b63\u786e\u7ed1\u5b9a\u5e76\u5728\u6240\u6709\u5b9e\u4f8b\u4e0a\u76d1\u542c\u3002Dotcom-Monitor \u53ef\u6301\u7eed\u6d4b\u8bd5\u7aef\u53e3\u53ef\u7528\u6027\u5e76\u5728\u670d\u52a1\u505c\u6b62\u54cd\u5e94\u65f6\u63d0\u9192\u60a8\u7684\u56e2\u961f\u3002<\/p><\/blockquote>\n<h4 id='2-connection-timed-out-\u8fde\u63a5\u8d85\u65f6'  id=\"boomdevs_13\"><b><\/b> 2. Connection Timed Out\uff08\u8fde\u63a5\u8d85\u65f6\uff09<\/h4>\n<p>\u5f53\u6570\u636e\u5305\u5728\u5230\u8fbe\u76ee\u7684\u5730\u7684\u9014\u4e2d\u4e22\u5931\u6216\u88ab\u963b\u65ad\u65f6\uff0c\u4f1a\u53d1\u751f <b>TCP \u8d85\u65f6<\/b>\u3002<br \/>\n\u5178\u578b\u6839\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u9632\u706b\u5899\u6084\u7136\u4e22\u5f03\u6570\u636e\u5305<\/li>\n<li aria-level=\"1\">\u7f51\u7edc\u8def\u5f84\u62e5\u585e\u6216\u4e0d\u7a33\u5b9a<\/li>\n<li aria-level=\"1\">\u8def\u7531\u914d\u7f6e\u9519\u8bef\u6216 ISP \u7ea7\u95ee\u9898<\/li>\n<\/ul>\n<p>\u8d85\u65f6\u5c24\u5176\u4ee4\u4eba\u6cae\u4e27\uff0c\u56e0\u4e3a\u5b83\u4eec\u6ca1\u6709 <b>\u7acb\u5373\u7684\u8bca\u65ad\u53cd\u9988<\/b>\uff1b\u7528\u6237\u53ea\u662f\u770b\u5230\u52a0\u8f7d\u52a8\u753b\uff0c\u76f4\u5230\u5ba2\u6237\u7aef\u653e\u5f03\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u5b9e\u73b0\u5e26\u6709\u8df3\u6570\u4e0e\u5ef6\u8fdf\u8ffd\u8e2a\u7684 <b>TCP \u8def\u5f84\u76d1\u63a7<\/b>\u3002Dotcom-Monitor \u7684\u7f51\u7edc\u8bca\u65ad\u53ef\u89c6\u5316\u6570\u636e\u5305\u6d41\uff0c\u7cbe\u786e\u5b9a\u4f4d\u8d85\u65f6\u53d1\u751f\u7684\u4f4d\u7f6e\u3002<\/p><\/blockquote>\n<h4 id='3-connection-reset-\u8fde\u63a5\u91cd\u7f6e'  id=\"boomdevs_14\">3. Connection Reset\uff08\u8fde\u63a5\u91cd\u7f6e\uff09<\/h4>\n<p>\u5f53 TCP \u63e1\u624b\u5b8c\u6210\u4f46\u968f\u540e\u88ab <b>\u7a81\u7136\u7ec8\u6b62<\/b> \u65f6\u4f1a\u53d1\u751f\u6b64\u60c5\u51b5\u3002<br \/>\n\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u4ee3\u7406\u6216\u670d\u52a1\u5668\u8fc7\u8f7d\u5bfc\u81f4\u63d0\u524d\u5173\u95ed\u8fde\u63a5<\/li>\n<li aria-level=\"1\">\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u7a7a\u95f2\u8d85\u65f6\u8bbe\u7f6e\u8fc7\u4e8e\u6fc0\u8fdb<\/li>\n<li aria-level=\"1\">\u5b89\u5168\u4e2d\u95f4\u8bbe\u5907\uff08\u4f8b\u5982 <b>WAF<\/b>\uff09\u62d2\u7edd\u88ab\u5224\u5b9a\u4e3a\u53ef\u7591\u7684\u4f1a\u8bdd<\/li>\n<\/ul>\n<p>\u91cd\u7f6e\u901a\u5e38\u8868\u73b0\u4e3a\u96be\u4ee5\u590d\u73b0\u7684\u95f4\u6b47\u6027\u9519\u8bef\uff0c\u5c24\u5176\u5728\u5206\u5e03\u5f0f\u67b6\u6784\u6216 CDN \u73af\u5883\u4e2d\u66f4\u96be\u8ffd\u8e2a\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u4f7f\u7528 <b>\u6301\u7eed\u7684 TCP \u6027\u80fd\u76d1\u63a7<\/b> \u6765\u68c0\u6d4b\u91cd\u7f6e\u6a21\u5f0f\uff0c\u5e76\u5c06\u5176\u4e0e\u8d1f\u8f7d\u3001\u7b56\u7565\u6216\u7279\u5b9a\u4ee3\u7406\u884c\u4e3a\u76f8\u5173\u8054\u3002<\/p><\/blockquote>\n<p>\u901a\u8fc7\u8fd9\u6837\u5bf9\u9519\u8bef\u8fdb\u884c\u5206\u7c7b\uff0c\u56e2\u961f\u53ef\u4ee5\u5feb\u901f\u7f29\u5c0f\u95ee\u9898\u8303\u56f4\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u82e5 <b>TCP \u5931\u8d25<\/b>\uff0c\u5219\u8bf4\u660e <b>DNS \u89e3\u6790\u6b63\u5e38<\/b>\uff0c\u4f46\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n<li aria-level=\"1\">\u8fd9\u4efd\u6e05\u6670\u5ea6\u51cf\u5c11\u4e86\u6392\u67e5\u65f6\u95f4\uff0c\u5e76\u5c06\u4fee\u590d\u6307\u5411\u6b63\u786e\u7684\u56e2\u961f\uff08\u7f51\u7edc\u3001\u9632\u706b\u5899\u6216\u57fa\u7840\u8bbe\u65bd\uff09\u3002<\/li>\n<\/ul>\n<h2 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7-tcp'  id=\"boomdevs_15\">\u5982\u4f55\u6709\u6548\u76d1\u63a7 TCP<\/h2>\n<p>\u50cf\u7b80\u5355\u7684 ICMP ping \u8fd9\u7c7b\u57fa\u672c\u53ef\u7528\u6027\u68c0\u67e5\u5e38\u4f1a\u9020\u6210\u5b89\u5168\u611f\u7684\u9519\u89c9\u3002\u670d\u52a1\u5668\u53ef\u80fd\u54cd\u5e94 ping\uff0c\u4f46\u4ecd\u7136\u65e0\u6cd5\u5b8c\u6210 <b>TCP \u63e1\u624b<\/b>\uff0c\u8fd9\u610f\u5473\u7740\u7528\u6237\u65e0\u6cd5\u771f\u6b63\u8fde\u63a5\u5230\u60a8\u7684\u7f51\u7ad9\u6216\u5e94\u7528\u3002<\/p>\n<p>\u771f\u6b63\u7684 <b>TCP \u76d1\u63a7<\/b> \u66f4\u6df1\u5c42\u6b21\u5730\u9a8c\u8bc1\u771f\u5b9e\u4e16\u754c\u7684\u8fde\u63a5\u884c\u4e3a\uff0c\u68c0\u6d4b\u57fa\u672c ping \u6d4b\u8bd5\u65e0\u6cd5\u53d1\u73b0\u7684\u95ee\u9898\u3002\u6b63\u786e\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n<h3 id='1-\u63e1\u624b\u9a8c\u8bc1'  id=\"boomdevs_16\">1. \u63e1\u624b\u9a8c\u8bc1<\/h3>\n<p>\u6709\u6548\u7684 TCP \u76d1\u63a7\u5e94\u4ece\u9a8c\u8bc1\u5728\u5b9e\u9645\u670d\u52a1\u7aef\u53e3\uff08\u4f8b\u5982 HTTP \u7684 80 \u6216 HTTPS \u7684 443\uff09\u4e0a\u7684 <b>SYN\/SYN-ACK\/ACK<\/b> \u63e1\u624b\u5f00\u59cb\u3002<\/p>\n<p>\u8fd9\u786e\u4fdd\u670d\u52a1\u5668\u4e0d\u4ec5\u5728\u7f51\u7edc\u5c42\u201c\u6d3b\u7740\u201d\uff0c\u800c\u4e14\u5728\u4e3b\u52a8\u76d1\u542c\u6d41\u91cf\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u4f7f\u7528\u5408\u6210\u76d1\u63a7\u5de5\u5177\uff08\u5982 <b>Dotcom-Monitor \u7684\u7f51\u7edc\u76d1\u63a7<\/b>\uff09\uff0c\u81ea\u52a8\u5c1d\u8bd5\u5b8c\u6574\u7684 TCP \u63e1\u624b\uff0c\u5e76\u786e\u8ba4\u6bcf\u4e2a\u670d\u52a1\u7aef\u70b9\u5728\u6240\u6709\u8282\u70b9\u4e0a\u90fd\u80fd\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>\u63e1\u624b\u662f\u5426\u6210\u529f\u53d6\u51b3\u4e8e\u8fde\u63a5\u8def\u5f84\u4e0a\u7684\u6bcf\u4e00\u6761\u94fe\u8def\u3002\u4f7f\u7528\u6765\u81ea\u591a\u4e2a\u5730\u7406\u533a\u57df\u7684 <b>traceroute<\/b> \u6216 <b>MTR\uff08My Traceroute\uff09<\/b> \u53ef\u53d1\u73b0\u6570\u636e\u5305\u5728\u6570\u636e\u4e2d\u5fc3\u3001CDN \u8fb9\u7f18\u6216\u4e0a\u6e38 ISP \u7684\u54ea\u4e2a\u73af\u8282\u53d8\u6162\u6216\u505c\u6b62\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u8fd0\u884c\u5730\u7406\u5206\u5e03\u7684 TCP \u8def\u5f84\u68c0\u67e5\uff0c\u53ca\u65e9\u68c0\u6d4b\u8def\u7531\u6216\u62e5\u585e\u95ee\u9898\u3002Dotcom-Monitor \u7684\u5168\u7403\u76d1\u63a7\u7f51\u7edc\u80fd\u5e2e\u52a9\u60a8\u5728\u5f71\u54cd\u7528\u6237\u524d\u8bc6\u522b\u533a\u57df\u5f02\u5e38\u3002<\/p><\/blockquote>\n<h3 id='3-\u534f\u8bae\u5e76\u884c-ipv4-\u4e0e-ipv6-\u76d1\u63a7'  id=\"boomdevs_18\">3. \u534f\u8bae\u5e76\u884c\uff08IPv4 \u4e0e IPv6 \u76d1\u63a7\uff09<\/h3>\n<p>\u8bb8\u591a\u7ec4\u7ec7\u540c\u65f6\u652f\u6301 <b>IPv4 \u4e0e IPv6<\/b>\uff0c\u4f46\u5b9e\u9645\u4e8b\u6545\u53ef\u80fd\u4ec5\u5f71\u54cd\u5176\u4e2d\u4e00\u79cd\u534f\u8bae\u3002\u5982\u679c\u60a8\u53ea\u6d4b\u8bd5 IPv4\uff0c\u53ef\u80fd\u4f1a\u9519\u8fc7\u53d1\u751f\u5728 IPv6 \u7f51\u7edc\u4e0a\u7684\u7528\u6237\u53ef\u89c1\u95ee\u9898\u3002<\/p>\n<blockquote><p><b>\u6700\u4f73\u5b9e\u8df5\uff1a<\/b>\u5728\u76d1\u63a7\u914d\u7f6e\u4e2d\u59cb\u7ec8\u540c\u65f6\u5305\u542b\u4e24\u79cd\u534f\u8bae\u3002\u4f7f\u7528 Dotcom-Monitor\uff0c\u60a8\u53ef\u4ee5\u8fd0\u884c\u53cc\u6808\u68c0\u67e5\uff0c\u786e\u4fdd\u4e0d\u540c\u8fde\u63a5\u7c7b\u578b\u95f4\u7684\u4e00\u81f4\u6027\u5e76\u68c0\u6d4b\u5e76\u884c\u95ee\u9898\u3002<\/p><\/blockquote>\n<h3 id='\u4e3a\u4ec0\u4e48-tcp-\u76d1\u63a7\u91cd\u8981'  id=\"boomdevs_19\">\u4e3a\u4ec0\u4e48 TCP \u76d1\u63a7\u91cd\u8981<\/h3>\n<p>DNS \u6216 HTTP \u68c0\u67e5\u4e0e TCP \u76d1\u63a7\u5171\u540c\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426 <b>\u51c6\u5907\u597d\u63a5\u6536\u771f\u5b9e\u6d41\u91cf<\/b>\uff0c\u800c\u975e\u4ec5\u4ec5\u5904\u4e8e\u5f00\u673a\u72b6\u6001\u3002\u5982\u679c TCP \u5931\u8d25\uff0c\u8bf4\u660e DNS \u89e3\u6790\u6210\u529f\uff0c\u4f46\u7f51\u7edc\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\u3002<\/p>\n<p>\u8fd9\u4e00\u6d1e\u5bdf\u53ef\u5e2e\u52a9\u56e2\u961f <b>\u7acb\u5373\u5206\u7c7b\u6545\u969c<\/b>\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">DNS \u6b63\u5e38 \u2192 \u805a\u7126\u670d\u52a1\u5668\u3001\u9632\u706b\u5899\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u3002<\/li>\n<li aria-level=\"1\">\u65e0\u9700\u4e0d\u5fc5\u8981\u5730\u5347\u7ea7\u5230\u5f00\u53d1\u6216\u5e94\u7528\u56e2\u961f\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5b9e\u65bd\u5206\u5c42 TCP \u76d1\u63a7\uff0c\u7ec4\u7ec7\u80fd\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\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0cHTTPS \u5df2\u975e\u53ef\u9009\u800c\u662f\u9ed8\u8ba4\u3002\u5728 TCP \u63e1\u624b\u4e4b\u540e\uff0c\u6d4f\u89c8\u5668\u4e0e Web \u670d\u52a1\u5668\u4f1a\u542f\u52a8 TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u4f1a\u8bdd\u4ee5\u4fdd\u62a4\u8fde\u63a5\u3002<\/p>\n<p>TLS \u627f\u62c5\u4e24\u9879\u5173\u952e\u529f\u80fd\uff1a<\/p>\n<ol>\n<li aria-level=\"1\"><b>\u52a0\u5bc6\uff1a<\/b>\u4fdd\u62a4\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u7684\u6240\u6709\u6570\u636e\uff0c\u9632\u6b62\u88ab\u7a83\u542c\u3002<\/li>\n<li aria-level=\"1\"><b>\u8ba4\u8bc1\uff1a<\/b>\u901a\u8fc7\u9a8c\u8bc1\u670d\u52a1\u5668\u7684<b>\u6570\u5b57\u8bc1\u4e66<\/b>\u6765\u786e\u8ba4\u8be5\u670d\u52a1\u5668\u7684\u5408\u6cd5\u6027\u3002<\/li>\n<\/ol>\n<p>\u6ca1\u6709 TLS\uff0c\u7528\u6237\u5c06\u9762\u4e34\u91cd\u5927\u5b89\u5168\u4e0e\u9690\u79c1\u98ce\u9669\u3002\u4f46\u5373\u4fbf\u6709 TLS\uff0c\u9519\u8bef\u914d\u7f6e\u6216\u8bc1\u4e66\u8fc7\u671f\u4e5f\u4f1a\u5bfc\u81f4\u4e25\u91cd\u95ee\u9898\u3002<\/p>\n<p>\u5f53 TLS \u5931\u8d25\u65f6\uff0c\u7528\u6237\u4f1a\u770b\u5230\u6d4f\u89c8\u5668\u8b66\u544a\uff0c\u4f8b\u5982 <i>\u201cYour connection is not private\u201d<\/i> \u6216 <i>\u201cThis site\u2019s certificate is invalid.\u201d<\/i> \u8fd9\u4e9b\u63d0\u793a\u4f1a\u7acb\u5373\u4fb5\u8680\u4fe1\u4efb\uff0c\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u4f1a\u963b\u6b62\u7528\u6237\u7ee7\u7eed\u8bbf\u95ee\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<b>TLS\/SSL \u76d1\u63a7<\/b> \u5bf9\u4e8e\u7ef4\u62a4\u53ef\u7528\u6027\u4e0e\u4fe1\u8a89\u81f3\u5173\u91cd\u8981\u3002\u5355\u4e2a\u8fc7\u671f\u8bc1\u4e66\u53ef\u80fd\u5728\u4e00\u591c\u4e4b\u95f4\u4ee4\u7f51\u7ad9\u4e0b\u7ebf\u5e76\u635f\u5bb3\u58f0\u8a89\u3002<\/p>\n<h3 id='\u4e3a\u4f55\u4f1a\u53d1\u751f-tls-ssl-\u9519\u8bef'  id=\"boomdevs_21\">\u4e3a\u4f55\u4f1a\u53d1\u751f TLS\/SSL \u9519\u8bef<\/h3>\n<p>TLS \u95ee\u9898\u5f80\u5f80\u6e90\u81ea\u914d\u7f6e\u9519\u8bef\u6216\u5fd8\u8bb0\u7eed\u671f\u3002\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\"><b>\u8bc1\u4e66\u8fc7\u671f<\/b>\u2014\u2014\u8bc1\u4e66\u672a\u5728\u5230\u671f\u524d\u7eed\u8ba2\u4f1a\u7acb\u5373\u89e6\u53d1\u5b89\u5168\u9519\u8bef\u5e76\u963b\u6b62\u8bbf\u95ee\u3002<\/li>\n<li aria-level=\"1\"><b>\u4e3b\u673a\u540d\u4e0d\u5339\u914d<\/b>\u2014\u2014\u5f53\u8bc1\u4e66\u4e3a\u67d0\u4e00\u57df\u540d\uff08\u4f8b\u5982 www.example.com\uff09\u7b7e\u53d1\u4f46\u7528\u4e8e\u53e6\u4e00\u57df\u540d\uff08\u4f8b\u5982 api.example.com\uff09\u65f6\u53d1\u751f\u3002<\/li>\n<li aria-level=\"1\"><b>\u4e0d\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09<\/b>\u2014\u2014\u6d4f\u89c8\u5668\u4e0d\u8bc6\u522b\u8be5 CA\uff0c\u53ef\u80fd\u56e0\u4e3a\u8bc1\u4e66\u4e3a\u81ea\u7b7e\u540d\u6216\u94fe\u81f3\u672a\u5b89\u88c5\u5728\u5ba2\u6237\u7aef\u8bbe\u5907\u4e0a\u7684\u79c1\u6709\u6839\u8bc1\u4e66\u3002<\/li>\n<li aria-level=\"1\"><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\u901a\u5e38\u7531\u4e8e\u4e0d\u652f\u6301\u7684\u52a0\u5bc6\u5957\u4ef6\u3001\u5df2\u5f03\u7528\u7684\u534f\u8bae\u7248\u672c\u6216\u4e0d\u5b8c\u6574\u7684\u8bc1\u4e66\u94fe\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u9519\u8bef\u90fd\u4f1a\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u4e0e\u53ef\u8bbf\u95ee\u6027\uff0c\u56e0\u6b64\u6301\u7eed\u7684 TLS \u76d1\u63a7\u5bf9\u4e8e\u65e9\u671f\u68c0\u6d4b\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3 id='\u5982\u4f55\u6709\u6548\u76d1\u63a7-tls-ssl'  id=\"boomdevs_22\">\u5982\u4f55\u6709\u6548\u76d1\u63a7 TLS\/SSL<\/h3>\n<p>TLS \u8bc1\u4e66\u5e76\u4e0d\u4f1a\u9010\u6b65\u5931\u6548\uff1b\u5b83\u4eec\u4e00\u5929\u8fd8\u5de5\u4f5c\u6b63\u5e38\uff0c\u7b2c\u4e8c\u5929\u5c31\u53ef\u80fd\u963b\u65ad\u8bbf\u95ee\u3002\u6700\u4f73\u7684\u76d1\u63a7\u65b9\u6cd5\u662f <b>\u4e3b\u52a8\u4e14\u81ea\u52a8\u5316<\/b>\u3002<\/p>\n<p>\u5b9e\u73b0\u53ef\u9760 TLS \u76d1\u63a7\u7684\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n<h4 id='1-\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u6027'  id=\"boomdevs_23\">1. \u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u6027<\/h4>\n<p>\u76d1\u63a7\u6240\u6709\u57df\u540d\u4e0e\u5b50\u57df\u7684 SSL\/TLS \u8bc1\u4e66\u5230\u671f\u65e5\u3002\u8bbe\u7f6e\u591a\u4e2a\u544a\u8b66\u9608\u503c\uff08\u4f8b\u5982\u5728\u5230\u671f\u524d 30\u30017\u30011 \u5929\uff09\u4ee5\u786e\u4fdd\u6309\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\u4f1a\u7834\u574f\u4fe1\u4efb\uff0c\u5373\u4fbf\u4e3b\u8bc1\u4e66\u6709\u6548\u3002\u5e94\u5b9a\u671f\u4ece\u4e0d\u540c\u533a\u57df\u6d4b\u8bd5\u8bc1\u4e66\u94fe\uff0c\u4ee5\u5728\u7528\u6237\u9047\u5230\u95ee\u9898\u524d\u53d1\u73b0 CA \u6216\u4e2d\u95f4\u8bc1\u4e66\u95ee\u9898\u3002<\/p>\n<h4 id='3-\u68c0\u67e5\u534f\u8bae\u4e0e\u52a0\u5bc6\u5957\u4ef6\u517c\u5bb9\u6027'  id=\"boomdevs_25\">3. \u68c0\u67e5\u534f\u8bae\u4e0e\u52a0\u5bc6\u5957\u4ef6\u517c\u5bb9\u6027<\/h4>\n<p>\u968f\u7740\u6d4f\u89c8\u5668\u9010\u6b65\u5f03\u7528\u65e7\u534f\u8bae\uff08\u5982 <b>TLS 1.0\/1.1<\/b>\uff09\u548c\u5f31\u52a0\u5bc6\uff0c\u4fdd\u6301\u517c\u5bb9\u6027\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u76d1\u63a7\u5de5\u5177\u5e94\u9a8c\u8bc1\u652f\u6301\u7684 <b>\u52a0\u5bc6\u5957\u4ef6<\/b> \u4e0e <b>\u534f\u8bae\u7248\u672c<\/b>\uff0c\u786e\u4fdd\u7528\u6237\u4e0d\u4f1a\u56e0\u4e0d\u517c\u5bb9\u800c\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\u7684\u7a81\u7136\u589e\u52a0\u901a\u5e38\u6307\u793a\u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u9519\u8bef\u3001\u8fc7\u671f\u7684\u4e2d\u95f4\u8bc1\u4e66\u6216\u7f51\u7edc\u7ea7\u95ee\u9898\u3002<\/p>\n<h3 id='\u4e3a\u4f55-tls-\u76d1\u63a7\u5f88\u91cd\u8981'  id=\"boomdevs_27\">\u4e3a\u4f55 TLS \u76d1\u63a7\u5f88\u91cd\u8981<\/h3>\n<p>TLS \u9519\u8bef\u4e0d\u4ec5\u662f\u6280\u672f\u95ee\u9898\uff1b\u5b83\u4eec\u662f <b>\u4e1a\u52a1\u5173\u952e<\/b> \u7684\u95ee\u9898\u3002\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u3001\u54c1\u724c\u5f62\u8c61\u548c\u8f6c\u5316\u7387\u3002<\/p>\n<p>\u5f53 TLS \u76d1\u63a7\u80fd\u53ca\u65e9\u8b66\u544a\u8bc1\u4e66\u6216\u63e1\u624b\u95ee\u9898\u65f6\uff0c\u60a8\u7684\u56e2\u961f\u53ef\u4ee5\u5728\u95ee\u9898\u6f14\u53d8\u4e3a\u7528\u6237\u53ef\u89c1\u4e8b\u4ef6\u524d\u8fc5\u901f\u91c7\u53d6\u884c\u52a8\u3002<\/p>\n<h2 id='\u5e38\u89c1-tls-ssl-\u9519\u8bef'  id=\"boomdevs_28\">\u5e38\u89c1 TLS\/SSL \u9519\u8bef<\/h2>\n<p>TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u4e0e SSL\uff08\u5b89\u5168\u5957\u63a5\u5c42\uff09\u9519\u8bef\u662f\u7f51\u7ad9\u53ef\u80fd\u9762\u4e34\u7684\u6700\u53ef\u89c1\u4e14\u6700\u635f\u5bb3\u540d\u8a89\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u53d1\u751f\u65f6\uff0c\u7528\u6237\u4f1a\u770b\u5230\u6d4f\u89c8\u5668\u8b66\u544a\uff0c\u4f8b\u5982 <b>\u201cYour connection is not private\u201d<\/b> \u6216 <b>\u201cThis website\u2019s security certificate has expired.\u201d<\/b> \u8fd9\u4e9b\u63d0\u793a\u4f1a\u7acb\u5373\u7834\u574f\u4fe1\u4efb\u5e76\u53ef\u80fd\u963b\u6b62\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6700\u5e38\u89c1\u7684 <b>TLS\/SSL \u9519\u8bef<\/b>\u3001\u5176\u6210\u56e0\u4ee5\u53ca\u4e3a\u4f55\u6301\u7eed\u76d1\u63a7\u53ef\u4ee5\u9884\u9632\u5b83\u4eec\u3002<\/p>\n<h3 id='\u8bc1\u4e66\u8fc7\u671f'  id=\"boomdevs_29\">\u8bc1\u4e66\u8fc7\u671f<\/h3>\n<p>\u8bc1\u4e66\u8fc7\u671f\u662f HTTPS \u4e2d\u65ad\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002\u8bc1\u4e66\u7684\u6709\u6548\u671f\u6709\u9650\uff08\u901a\u5e38\u4e3a 90 \u5929\u5230 1 \u5e74\uff09\u3002\u82e5\u5728\u5230\u671f\u524d\u672a\u7eed\u8ba2\uff0c\u6d4f\u89c8\u5668\u4f1a\u6807\u8bb0\u7f51\u7ad9\u4e3a\u4e0d\u5b89\u5168\u5e76\u963b\u6b62\u8bbf\u95ee\u3002<\/p>\n<p><b>\u4e3a\u4f55\u4f1a\u53d1\u751f\uff1a<\/b><\/p>\n<ul>\n<li aria-level=\"1\">\u672a\u5bf9\u7eed\u8ba2\u8fdb\u884c\u81ea\u52a8\u5316<\/li>\n<li aria-level=\"1\">\u8bc1\u4e66\u7eed\u8ba2\u672a\u4f20\u64ad\u5230\u6240\u6709\u670d\u52a1\u5668<\/li>\n<li aria-level=\"1\">\u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u4e0d\u5f53\u6216\u7f13\u5b58\u95ee\u9898<\/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\u5728\u8bc1\u4e66\u4e2d\u7684\u57df\u540d\u4e0e\u7528\u6237\u8bbf\u95ee\u7684 URL \u4e0d\u4e00\u81f4\u65f6\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u4e3a www.example.com \u7b7e\u53d1\u7684\u8bc1\u4e66\u5728\u7528\u6237\u8bbf\u95ee api.example.com \u65f6\u4e0d\u4f1a\u88ab\u9a8c\u8bc1\u901a\u8fc7\u3002<\/p>\n<p>\u4e3a\u4f55\u53d1\u751f\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u5728\u8bc1\u4e66\u7b7e\u53d1\u540e\u65b0\u589e\u5b50\u57df<\/li>\n<li aria-level=\"1\">\u5c06\u670d\u52a1\u79fb\u5230 CDN \u6216\u4ee3\u7406\u540e\u672a\u91cd\u65b0\u7b7e\u53d1\u8bc1\u4e66<\/li>\n<li aria-level=\"1\">SAN\uff08Subject Alternative Name\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>\u5982\u679c\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09\u4e0d\u88ab\u6d4f\u89c8\u5668\u8bc6\u522b\u6216\u4fe1\u4efb\uff0c\u7528\u6237\u4f1a\u770b\u5230\u201c\u8bc1\u4e66\u4e0d\u53d7\u4fe1\u4efb\u201d\u7684\u8b66\u544a\u3002\u901a\u5e38\u53d1\u751f\u5728\u4f7f\u7528\u81ea\u7b7e\u540d\u8bc1\u4e66\u3001\u5185\u90e8 CA \u7b7e\u53d1\u6216\u4e0e\u8fc7\u671f\/\u7f3a\u5931\u7684\u4e2d\u95f4\u8bc1\u4e66\u76f8\u8fde\u65f6\u3002<\/p>\n<p><b>\u4e3a\u4f55\u4f1a\u53d1\u751f\uff1a<\/b><\/p>\n<ul>\n<li aria-level=\"1\">\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u81ea\u7b7e\u540d\u8bc1\u4e66<\/li>\n<li aria-level=\"1\">\u5ba2\u6237\u7aef\u8bbe\u5907\u4e0a\u672a\u5b89\u88c5\u79c1\u6709\u6839\u8bc1\u4e66<\/li>\n<li aria-level=\"1\">\u7f3a\u5931\u6216\u65e0\u6548\u7684\u4e2d\u95f4\u8bc1\u4e66<\/li>\n<\/ul>\n<h3 id='\u63e1\u624b\u5931\u8d25'  id=\"boomdevs_32\">\u63e1\u624b\u5931\u8d25<\/h3>\n<p>\u5f53\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u65e0\u6cd5\u5c31\u5982\u4f55\u5b89\u5168\u8fde\u63a5\u8fbe\u6210\u4e00\u81f4\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f TLS \u63e1\u624b\u5931\u8d25\u3002\u63e1\u624b\u8fc7\u7a0b\u786e\u4fdd\u53cc\u65b9\u652f\u6301\u76f8\u540c\u7684\u52a0\u5bc6\u534f\u8bae\u4e0e\u5957\u4ef6\u3002<\/p>\n<p><b>\u4e3a\u4f55\u4f1a\u53d1\u751f\uff1a<\/b><\/p>\n<ul>\n<li aria-level=\"1\">\u5f03\u7528\u6216\u4e0d\u53d7\u652f\u6301\u7684\u52a0\u5bc6\u5957\u4ef6<\/li>\n<li aria-level=\"1\">\u4f7f\u7528\u8fc7\u65f6\u7684 TLS \u7248\u672c\uff08\u5982 1.0 \u6216 1.1\uff09<\/li>\n<li aria-level=\"1\">\u8bc1\u4e66\u94fe\u914d\u7f6e\u9519\u8bef\u6216\u4e2d\u95f4\u8bc1\u4e66\u7f3a\u5931<\/li>\n<\/ul>\n<div class=\"dcm_inblog_cta\">\n<p>\u786e\u4fdd\u60a8\u7684\u7f51\u7ad9\u6c38\u8fdc\u4e0d\u4f1a\u56e0 TLS \u63e1\u624b\u5931\u8d25\u800c\u4e2d\u65ad<\/p>\n<p style=\"font-size: 22px;\">\u4f7f\u7528 Dotcom-Monitor \u7684 <a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/ssl-%e8%af%81%e4%b9%a6%e7%9b%91%e6%8e%a7-dotcom-monitor\/\">TLS\/SSL \u76d1\u63a7<\/a>\uff0c\u60a8\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u8bc1\u4e66\u9519\u8bef\u3001\u63e1\u624b\u95ee\u9898\u548c\u8fc7\u671f\u7684 SSL\uff0c\u5728\u5b83\u4eec\u5f71\u54cd\u7528\u6237\u6216\u58f0\u8a89\u4e4b\u524d\u52a0\u4ee5\u5904\u7406\u3002<\/p>\n<\/div>\n<h2 id='\u5982\u4f55\u76d1\u63a7-tls'  id=\"boomdevs_33\">\u5982\u4f55\u76d1\u63a7 TLS<\/h2>\n<p>TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u76d1\u63a7\u9700\u8981 <b>\u4e3b\u52a8\u3001\u81ea\u52a8\u5316\u5e76\u6301\u7eed<\/b>\u3002\u8bc1\u4e66\u4e0d\u4f1a\u9010\u6e10\u5931\u6548\uff1b\u5b83\u4eec\u4eca\u5929\u53ef\u80fd\u5de5\u4f5c\u6b63\u5e38\uff0c\u660e\u5929\u5c31\u53ef\u80fd\u963b\u65ad\u8bbf\u95ee\u3002\u56e0\u6b64\uff0c\u5b9e\u65bd\u6709\u6548\u7684 <b>TLS\/SSL \u76d1\u63a7<\/b> \u662f\u4efb\u4f55\u7f51\u7ad9\u76d1\u63a7\u7b56\u7565\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u786e\u4fdd\u8bc1\u4e66\u4e0d\u4f1a\u5bfc\u81f4\u610f\u5916\u505c\u673a\u6216\u4fe1\u4efb\u95ee\u9898\u7684\u5173\u952e\u505a\u6cd5\uff1a<\/p>\n<h3 id='\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f\u4e0e\u5230\u671f'  id=\"boomdevs_34\">\u8ddf\u8e2a\u8bc1\u4e66\u6709\u6548\u671f\u4e0e\u5230\u671f<\/h3>\n<p>\u8bc1\u4e66\u4f1a\u5728\u6ca1\u6709\u901a\u77e5\u7684\u60c5\u51b5\u4e0b\u5230\u671f\uff0c\u5f53\u53d1\u751f\u65f6\uff0c\u7528\u6237\u4f1a\u7acb\u5373\u770b\u5230\u963b\u6b62\u8bbf\u95ee\u7684\u6d4f\u89c8\u5668\u9519\u8bef\u3002\u4e3a\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5e94\u6301\u7eed\u76d1\u63a7\u8bc1\u4e66\u5230\u671f\u5e76\u5728\u5230\u671f\u524d\u8bbe\u7f6e\u544a\u8b66\u2014\u2014\u7406\u60f3\u8bbe\u7f6e\u4e3a\u5728\u5230\u671f\u524d <b>30 \u5929\u30017 \u5929\u548c 1 \u5929<\/b> \u63d0\u9192\u3002<\/p>\n<h3 id='\u9a8c\u8bc1\u5b8c\u6574\u7684\u8bc1\u4e66\u94fe'  id=\"boomdevs_35\">\u9a8c\u8bc1\u5b8c\u6574\u7684\u8bc1\u4e66\u94fe<\/h3>\n<p>\u4e00\u4e2a\u6709\u6548\u7684 SSL \u8bc1\u4e66\u53d6\u51b3\u4e8e\u5176\u4fe1\u4efb\u94fe\u7684\u5b8c\u6574\u6027\u3002\u5373\u4f7f\u53f6\u8bc1\u4e66\u6709\u6548\uff0c\u7f3a\u5931\u7684\u4e2d\u95f4\u8bc1\u4e66\u4e5f\u4f1a\u5728\u7279\u5b9a\u6d4f\u89c8\u5668\u6216\u533a\u57df\u9020\u6210\u4fe1\u4efb\u65ad\u88c2\u3002<\/p>\n<p>\u5e94\u5b9a\u671f\u4ece\u591a\u4e2a\u5168\u7403\u4f4d\u7f6e\u9a8c\u8bc1 <b>\u6574\u4e2a\u8bc1\u4e66\u94fe<\/b>\uff0c\u4ee5\u5c3d\u65e9\u53d1\u73b0\u533a\u57df\u6027\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n<h3 id='\u68c0\u67e5\u534f\u8bae\u4e0e\u52a0\u5bc6\u5957\u4ef6\u517c\u5bb9\u6027'  id=\"boomdevs_36\">\u68c0\u67e5\u534f\u8bae\u4e0e\u52a0\u5bc6\u5957\u4ef6\u517c\u5bb9\u6027<\/h3>\n<p>\u6d4f\u89c8\u5668\u4f1a\u9010\u6b65\u6dd8\u6c70\u65e7\u534f\u8bae\uff08\u4f8b\u5982 <b>TLS 1.0<\/b> \u4e0e <b>1.1<\/b>\uff09\u4ee5\u53ca\u5f31\u52a0\u5bc6\u5957\u4ef6\u3002\u5982\u679c\u670d\u52a1\u5668\u4ecd\u4f9d\u8d56\u8fd9\u4e9b\u88ab\u5f03\u7528\u7684\u914d\u7f6e\uff0c\u7528\u6237\u53ef\u80fd\u65e0\u6cd5\u5b89\u5168\u8fde\u63a5\u3002<\/p>\n<h3 id='\u76d1\u63a7\u63e1\u624b\u5931\u8d25\u4e0e\u5ef6\u8fdf'  id=\"boomdevs_37\">\u76d1\u63a7\u63e1\u624b\u5931\u8d25\u4e0e\u5ef6\u8fdf<\/h3>\n<p>TLS \u63e1\u624b\u662f\u52a0\u5bc6\u901a\u4fe1\u7684\u57fa\u7840\u3002\u5982\u679c\u63e1\u624b\u5931\u8d25\u6216\u8017\u65f6\u8fc7\u957f\uff0c\u7528\u6237\u4f1a\u9047\u5230\u5ef6\u8fdf\u3001\u8d85\u65f6\u6216\u8fde\u63a5\u9519\u8bef\u3002<\/p>\n<p>\u63e1\u624b\u9519\u8bef\u7684\u6fc0\u589e\u901a\u5e38\u53ef\u8ffd\u6eaf\u5230\u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u9519\u8bef\u3001\u8fc7\u671f\u7684\u4e2d\u95f4\u8bc1\u4e66\u6216\u6700\u8fd1\u7684 CDN \u90e8\u7f72\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\u4e2d\u65ad\u7684\u6700\u4f73\u65b9\u5f0f\u662f\u81ea\u52a8\u5316\u3002\u628a\u8bc1\u4e66\u5f53\u4f5c\u4ee3\u7801\u6765\u5904\u7406\uff1a\u81ea\u52a8\u7eed\u8ba2\u3001\u5728\u5404\u73af\u5883\u4e2d\u4e00\u81f4\u90e8\u7f72\u66f4\u65b0\uff0c\u5e76\u50cf\u76d1\u63a7\u78c1\u76d8\u7a7a\u95f4\u6216 CPU \u4e00\u6837\u79ef\u6781\u5730\u76d1\u63a7\u8bc1\u4e66\u5230\u671f\u3002<\/p>\n<h2 id='http-\u9519\u8bef'  id=\"boomdevs_39\">HTTP \u9519\u8bef<\/h2>\n<p>\u5728 DNS\u3001TCP \u548c TLS \u6210\u529f\u5b8c\u6210\u5404\u81ea\u7684\u5de5\u4f5c\u4e4b\u540e\uff0c\u6d4f\u89c8\u5668\u6700\u7ec8\u4f1a\u5411 Web \u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a <b>HTTP \u8bf7\u6c42<\/b>\u3002\u5f53\u4e00\u5207\u6b63\u5e38\u8fd0\u884c\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u8fd4\u56de\u4e00\u4e2a <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\uff1b\u5f53\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u5219\u4f1a\u8fd4\u56de\u76f8\u5e94\u7684\u9519\u8bef\u4ee3\u7801\u3002<\/p>\n<p>\u76d1\u63a7\u8fd9\u4e9b HTTP \u54cd\u5e94\u901a\u5e38\u662f\u4eba\u4eec\u60f3\u5230 <b>\u7f51\u7ad9\u53ef\u7528\u6027\u76d1\u63a7<\/b> \u65f6\u7684\u7b2c\u4e00\u5370\u8c61\u3002\u4f46\u4ec5\u76d1\u63a7 HTTP \u54cd\u5e94\u53ea\u662f\u53ef\u7528\u6027\u76d1\u63a7\u7684\u4e00\u90e8\u5206\u3002\u82e5\u6ca1\u6709\u524d\u9762\u5404\u5c42\uff08DNS\u3001TCP\u3001TLS\uff09\u7684\u4e0a\u4e0b\u6587\uff0cHTTP \u76d1\u63a7\u53ef\u4ee5\u63ed\u793a <b>\u53d1\u751f\u4e86\u4ec0\u4e48<\/b>\uff0c\u4f46\u4e0d\u80fd\u89e3\u91ca <b>\u4e3a\u4ec0\u4e48<\/b>\u3002\u8fd9\u5c31\u662f\u4e3a\u4f55\u9ad8\u7ea7 Web \u5e94\u7528\u76d1\u63a7\u9700\u8981\u8d85\u8d8a\u53ef\u7528\u6027\uff0c\u5173\u6ce8\u6027\u80fd\u3001\u54cd\u5e94\u7801\u4e0e\u4e8b\u52a1\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id='\u5e38\u89c1-http-\u9519\u8bef'  id=\"boomdevs_40\">\u5e38\u89c1 HTTP \u9519\u8bef<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5f71\u54cd\u7f51\u7ad9\u53ef\u7528\u6027\u4e0e\u7528\u6237\u4f53\u9a8c\u7684\u4e00\u4e9b\u5e38\u89c1 HTTP \u95ee\u9898\uff1a<\/p>\n<ul>\n<li aria-level=\"1\"><b>404 Not Found: <\/b>\u8bf7\u6c42\u7684\u9875\u9762\u6216\u8d44\u6e90\u4e0d\u5b58\u5728\u3002\u53ef\u80fd\u7531\u65ad\u94fe\u3001\u5220\u9664\u7684\u9875\u9762\u6216\u8def\u7531\u914d\u7f6e\u9519\u8bef\u5bfc\u81f4\u3002<\/li>\n<li aria-level=\"1\"><b>500 Internal Server Error: <\/b>\u670d\u52a1\u5668\u9047\u5230\u610f\u5916\u72b6\u51b5\u2014\u2014\u901a\u5e38\u7531\u5e94\u7528\u4ee3\u7801\u7f3a\u9677\u3001\u914d\u7f6e\u9519\u8bef\u6216\u8fdb\u7a0b\u8fc7\u8f7d\u5f15\u8d77\u3002<\/li>\n<li aria-level=\"1\"><b>502 Bad Gateway: <\/b>\u4ee3\u7406\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u4ece\u4e0a\u6e38\u670d\u52a1\u5668\u6536\u5230\u65e0\u6548\u54cd\u5e94\u3002\u5728\u5206\u5e03\u5f0f\u6216\u5fae\u670d\u52a1\u73af\u5883\u4e2d\u5e38\u89c1\u3002<\/li>\n<li aria-level=\"1\"><b>503 Service Unavailable: <\/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 aria-level=\"1\"><b>504 Gateway Timeout: <\/b>\u4e0a\u6e38\u670d\u52a1\u54cd\u5e94\u8d85\u65f6\uff0c\u5bfc\u81f4\u8bf7\u6c42\u5728\u8fd4\u56de\u7528\u6237\u524d\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u9519\u8bef\u4f1a\u5f71\u54cd\u7528\u6237\u4fe1\u4efb\u4e0e\u8f6c\u5316\u7387\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u60a8\u7684\u5ba2\u6237\u4e0d\u4f1a\u77e5\u9053\uff08\u6216\u5173\u5fc3\uff09\u53d1\u751f\u4e86\u4ec0\u4e48\u2014\u2014\u4ed6\u4eec\u53ea\u4f1a\u79bb\u5f00\u3002<\/p>\n<h3 id='\u5982\u4f55\u76d1\u63a7-http'  id=\"boomdevs_41\">\u5982\u4f55\u76d1\u63a7 HTTP<\/h3>\n<p>\u6709\u6548\u7684 <b>HTTP \u76d1\u63a7<\/b> \u8fdc\u4e0d\u6b62\u68c0\u67e5\u9996\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\u8986\u76d6 Web \u4f53\u9a8c\u7684\u6bcf\u4e00\u5c42\u3002<\/p>\n<p>\u5173\u952e\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li aria-level=\"1\"><b>\u5408\u6210\u4e8b\u52a1\uff1a<\/b>\u6a21\u62df\u771f\u5b9e\u7528\u6237\u4ea4\u4e92\uff08\u5982\u767b\u5f55\u3001\u52a0\u5165\u8d2d\u7269\u8f66\u6216\u5b8c\u6210\u7ed3\u8d26\uff09\uff0c\u786e\u4fdd\u5b8c\u6574\u5de5\u4f5c\u6d41\u53ef\u7528\u3002<\/li>\n<li aria-level=\"1\"><b>\u54cd\u5e94\u7801\u8ddf\u8e2a\uff1a<\/b>\u81ea\u52a8\u6355\u83b7\u5e76\u5bf9\u4efb\u4f55 200\u2013299 \u8303\u56f4\u5916\u7684\u54cd\u5e94\u53d1\u51fa\u544a\u8b66\uff0c\u4ee5\u5feb\u901f\u53d1\u73b0\u670d\u52a1\u5668\u6216\u5e94\u7528\u5c42\u6545\u969c\u3002<\/li>\n<li aria-level=\"1\"><b>\u6027\u80fd\u9608\u503c\uff1a<\/b>\u5168\u7403\u8303\u56f4\u76d1\u63a7\u54cd\u5e94\u65f6\u95f4\u4e0e\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u3002\u5373\u4fbf\u7ad9\u70b9\u201c\u53ef\u7528\u201d\uff0c\u6027\u80fd\u7f13\u6162\u4e5f\u4f1a\u9a71\u8d70\u7528\u6237\u3002<\/li>\n<li aria-level=\"1\"><b>\u5168\u7403\u76d1\u63a7\u4f4d\u7f6e\uff1a<\/b>\u4ece\u591a\u4e2a\u5730\u7406\u533a\u57df\u8fd0\u884c HTTP \u68c0\u67e5\uff0c\u8bc6\u522b\u5f71\u54cd\u5168\u7403\u53d7\u4f17\u7684\u5ef6\u8fdf\u3001CDN \u95ee\u9898\u6216\u8def\u7531\u74f6\u9888\u3002<\/li>\n<\/ul>\n<h3 id='\u4e3a\u4f55-http-\u76d1\u63a7\u91cd\u8981'  id=\"boomdevs_42\">\u4e3a\u4f55 HTTP \u76d1\u63a7\u91cd\u8981<\/h3>\n<p>\u76d1\u63a7 HTTP \u4e0d\u53ea\u662f\u786e\u8ba4\u7f51\u7ad9\u5728\u7ebf\uff1b\u5b83\u662f\u7406\u89e3\u5e94\u7528\u5065\u5eb7\u4e0e\u7528\u6237\u4f53\u9a8c\u7684\u624b\u6bb5\u3002\u54cd\u5e94\u6162\u6216\u4e0d\u7a33\u5b9a\u7684\u7f51\u7ad9\u4f1a\u635f\u5931\u6d41\u91cf\u3001\u8f6c\u5316\u548c SEO \u6392\u540d\u3002\u5c06 HTTP \u76d1\u63a7\u4e0e DNS\u3001TCP\u3001TLS \u68c0\u67e5\u53e0\u52a0\uff0c\u60a8\u5c31\u80fd\u5168\u9762\u4e86\u89e3\u95ee\u9898\u8d77\u6e90\uff0c\u662f\u4ee3\u7801\u3001\u57fa\u7840\u8bbe\u65bd\u8fd8\u662f\u4e0a\u6e38\u4f9d\u8d56\u5bfc\u81f4\u7684\u3002<\/p>\n<h3 id='\u5e38\u89c1-http-\u9519\u8bef-\u91cd\u590d\u8282-\u5f3a\u8c03'  id=\"boomdevs_43\">\u5e38\u89c1 HTTP \u9519\u8bef\uff08\u91cd\u590d\u8282\uff0c\u5f3a\u8c03\uff09<\/h3>\n<p>\u5728\u76d1\u63a7\u53ef\u7528\u6027\u4e0e\u6027\u80fd\u65f6\uff0cHTTP \u54cd\u5e94\u7801\u63ed\u793a\u4e86\u6bcf\u4e2a\u7528\u6237\u8bf7\u6c42\u7684\u7ed3\u679c\u3002\u7406\u89e3\u8fd9\u4e9b\u5e38\u89c1 HTTP \u9519\u8bef\u6709\u52a9\u4e8e\u5224\u65ad\u95ee\u9898\u662f\u5728\u60a8\u7684 <b>\u5e94\u7528<\/b>\u3001<b>\u670d\u52a1\u5668<\/b> \u8fd8\u662f <b>\u4e0a\u6e38\u4f9d\u8d56<\/b>\u3002<\/p>\n<ul>\n<li aria-level=\"1\"><b>404 Not Found: <\/b>\u8868\u793a\u8bf7\u6c42\u7684\u8d44\u6e90\u6216\u9875\u9762\u4e0d\u5b58\u5728\u3002\u901a\u5e38\u7531 <b>\u65ad\u94fe<\/b>\u3001<b>\u5185\u5bb9\u88ab\u5220\u9664<\/b> \u6216 <b>URL \u8def\u7531\u9519\u8bef<\/b> \u5f15\u8d77\u3002\u5b9a\u671f\u7684 <b>HTTP \u76d1\u63a7<\/b> \u6709\u52a9\u4e8e\u63d0\u524d\u53d1\u73b0\u8fd9\u4e9b\u9519\u8bef\uff0c\u7ef4\u62a4 SEO \u4e0e\u7528\u6237\u4fe1\u4efb\u3002<\/li>\n<li aria-level=\"1\"><b>500 Internal Server Error: <\/b>\u4e00\u79cd\u901a\u7528\u7684\u670d\u52a1\u5668\u7aef\u5931\u8d25\uff0c\u5e38\u7531 <b>\u5e94\u7528\u7f3a\u9677<\/b>\u3001<b>\u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef<\/b> \u6216 <b>\u540e\u7aef\u8fdb\u7a0b\u8fc7\u8f7d<\/b> \u5f15\u8d77\u3002\u76d1\u63a7 HTTP \u54cd\u5e94\u65e5\u5fd7\u53ef\u4ee5\u5728\u5b83\u4eec\u5f71\u54cd\u7528\u6237\u524d\u5feb\u901f\u8bc6\u522b\u53cd\u590d\u51fa\u73b0\u7684 500 \u9519\u8bef\u3002<\/li>\n<li aria-level=\"1\"><b>502 Bad Gateway: <\/b>\u5f53 <b>\u4ee3\u7406\u3001CDN \u6216\u8d1f\u8f7d\u5747\u8861\u5668<\/b> \u4ece\u4e0a\u6e38\u670d\u52a1\u5668\u6536\u5230\u65e0\u6548\u54cd\u5e94\u65f6\u53d1\u751f\u3002\u5728\u5206\u5e03\u5f0f\u6216\u5fae\u670d\u52a1\u73af\u5883\u4e2d\u8f83\u4e3a\u5e38\u89c1\uff0c\u5176\u4e2d\u4e00\u4e2a\u7ec4\u4ef6\u65e0\u6cd5\u6b63\u786e\u4e0e\u53e6\u4e00\u4e2a\u7ec4\u4ef6\u901a\u4fe1\u3002<\/li>\n<li aria-level=\"1\"><b>503 Service Unavailable: <\/b>\u8868\u793a\u670d\u52a1\u5668\u4e34\u65f6\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\uff0c\u901a\u5e38\u4e0e <b>\u8ba1\u5212\u5185\u7ef4\u62a4<\/b>\u3001<b>\u8d44\u6e90\u8017\u5c3d<\/b> \u6216 <b>\u6d41\u91cf\u5cf0\u503c<\/b> \u6709\u5173\u3002\u4e3b\u52a8\u76d1\u63a7\u6709\u52a9\u4e8e\u5728\u6545\u969c\u6269\u6563\u524d\u8bc6\u522b\u5e76\u7f13\u89e3\u8fc7\u8f7d\u72b6\u51b5\u3002<\/li>\n<li aria-level=\"1\"><b>504 Gateway Timeout: <\/b>\u5f53\u4e0a\u6e38\u670d\u52a1\u5668\u54cd\u5e94\u8fc7\u6162\uff0c\u5bfc\u81f4\u7f51\u5173\u6216\u4ee3\u7406\u8d85\u65f6\u65f6\u53d1\u751f\u3002\u8fd9\u53ef\u80fd\u8868\u660e\u5b58\u5728 <b>\u5ef6\u8fdf<\/b>\u3001<b>\u6570\u636e\u5e93\u74f6\u9888<\/b> \u6216\u5e94\u7528\u6808\u5185\u4f9d\u8d56\u53d8\u6162\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<h2 id='\u6574\u5408-\u5206\u5c42\u9519\u8bef\u76d1\u63a7\u7b56\u7565'  id=\"boomdevs_44\">\u6574\u5408\uff1a\u5206\u5c42\u9519\u8bef\u76d1\u63a7\u7b56\u7565<\/h2>\n<p>\u73b0\u4ee3 <b>\u7f51\u7ad9\u76d1\u63a7<\/b> \u4e0d\u4ec5\u4ec5\u662f\u68c0\u6d4b\u505c\u673a\u2014\u2014\u5b83\u65e8\u5728\u7406\u89e3 <i>\u4e3a\u4ec0\u4e48<\/i> \u7ad9\u70b9\u51fa\u73b0\u6545\u969c\u4ee5\u53ca <i>\u54ea\u4e00\u5c42<\/i> \u5bfc\u81f4\u4e86\u6545\u969c\u3002\u8fde\u63a5\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e00\u6b65\u2014\u2014DNS\u3001<b>TCP\u3001TLS<\/b> \u4e0e <b>HTTP<\/b>\u2014\u2014\u90fd\u6709\u4e0d\u540c\u89d2\u8272\uff0c\u5e76\u4e14\u53ef\u4ee5\u72ec\u7acb\u5931\u8d25\u3002<\/p>\n<p>\u6bcf\u6b21\u6545\u969c\u7684\u53d1\u751f\u987a\u5e8f\u4e3a\uff1a<\/p>\n<ul>\n<li aria-level=\"1\">\u5982\u679c <b>DNS \u5931\u8d25<\/b>\uff0c\u5219\u65e0\u6cd5\u5efa\u7acb\u4efb\u4f55\u8fde\u63a5\u3002<\/li>\n<li aria-level=\"1\">\u5982\u679c <b>TCP \u5931\u8d25<\/b>\uff0cDNS \u89e3\u6790\u6b63\u5e38\uff0c\u4f46\u7f51\u7edc\u63e1\u624b\u672a\u5b8c\u6210\u3002<\/li>\n<li aria-level=\"1\">\u5982\u679c <b>TLS \u5931\u8d25<\/b>\uff0c\u5219\u52a0\u5bc6\u8bbe\u7f6e\u6216\u8bc1\u4e66\u9a8c\u8bc1\u88ab\u7834\u574f\u3002<\/li>\n<li aria-level=\"1\">\u5982\u679c <b>HTTP \u5931\u8d25<\/b>\uff0c\u5219\u524d\u8ff0\u5404\u5c42\u5747\u5df2\u6210\u529f\u2014\u2014\u95ee\u9898\u4f4d\u4e8e\u5e94\u7528\u6216\u670d\u52a1\u5668\u7aef\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u5206\u5c42\u65b9\u6cd5\u5728\u8bca\u65ad Web \u6027\u80fd\u4e0e\u53ef\u7528\u6027\u95ee\u9898\u65f6\u63d0\u4f9b\u4e86 <b>\u6e05\u6670\u5ea6\u4e0e\u7cbe\u786e\u6027<\/b>\u3002<\/p>\n<p><b>\u5168\u9762\u9519\u8bef\u76d1\u63a7\u7684\u56db\u4e2a\u5c42\u6b21<\/b><\/p>\n<ol>\n<li aria-level=\"1\"><b>\u4ece DNS \u68c0\u67e5\u5f00\u59cb\uff1a<\/b>\u9a8c\u8bc1\u57df\u540d\u5728\u591a\u4e2a\u5168\u7403\u4f4d\u7f6e\u662f\u5426\u6b63\u786e\u89e3\u6790\u3002<\/li>\n<li aria-level=\"1\"><b>\u6dfb\u52a0 TCP \u8fde\u63a5\u76d1\u63a7\uff1a<\/b>\u786e\u8ba4\u670d\u52a1\u5668\u80fd\u63a5\u6536\u5e76\u54cd\u5e94\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n<li aria-level=\"1\"><b>\u8986\u76d6 TLS \u8bc1\u4e66\u76d1\u63a7\uff1a<\/b>\u8ddf\u8e2a SSL \u8bc1\u4e66\u6709\u6548\u6027\u3001\u63e1\u624b\u6027\u80fd\u4e0e\u94fe\u4fe1\u4efb\u3002<\/li>\n<li aria-level=\"1\"><b>\u4ee5 HTTP \u54cd\u5e94\u76d1\u63a7\u6536\u5c3e\uff1a<\/b>\u6d4b\u91cf\u771f\u5b9e\u53ef\u7528\u6027\u3001\u5ef6\u8fdf\u4e0e\u54cd\u5e94\u7801\u3002<\/li>\n<\/ol>\n<h3 id='\u66f4\u5feb\u7684\u6839\u56e0\u5206\u6790'  id=\"boomdevs_45\">\u66f4\u5feb\u7684\u6839\u56e0\u5206\u6790<\/h3>\n<p>\u5c06\u76d1\u63a7\u4e0e\u8fd9\u4e9b\u5c42\u7ea7\u5bf9\u9f50\uff0c\u60a8\u7684\u56e2\u961f\u5c31\u80fd\u51c6\u786e\u5b9a\u4f4d\u6545\u969c\u70b9 \u2014\u2014 \u5e76\u627e\u5230\u6b63\u786e\u7684\u8d1f\u8d23\u4eba\u6765\u4fee\u590d\u5b83\uff1a<\/p>\n<ul>\n<li aria-level=\"1\"><b>DNS \u9519\u8bef\uff1f<\/b> \u8054\u7cfb\u60a8\u7684 DNS \u6258\u7ba1\u63d0\u4f9b\u5546\u3002<\/li>\n<li aria-level=\"1\"><b>TCP \u9519\u8bef\uff1f<\/b> \u5347\u7ea7\u5230\u60a8\u7684 <b>\u7f51\u7edc\u6216\u4e3b\u673a\u63d0\u4f9b\u5546<\/b>\u3002<\/li>\n<li aria-level=\"1\"><b>TLS \u9519\u8bef\uff1f<\/b> \u68c0\u67e5\u8bc1\u4e66\u6709\u6548\u6027\u6216\u8fb9\u7f18\u914d\u7f6e\u3002<\/li>\n<li aria-level=\"1\"><b>HTTP \u9519\u8bef\uff1f<\/b> \u901a\u77e5\u60a8\u7684 <b>\u5e94\u7528\u6216 DevOps \u56e2\u961f<\/b>\u3002<\/li>\n<\/ul>\n<p>\u4e0e\u6a21\u7cca\u7684 <i>\u201c\u7ad9\u70b9\u5b95\u673a\u201d<\/i> \u8b66\u62a5\u4e0d\u540c\uff0c\u60a8\u5c06\u83b7\u5f97\u53ef\u6267\u884c\u7684\u6d1e\u89c1\uff0c\u4ece\u800c\u51cf\u5c11 MTTR \u5e76\u6d88\u9664\u56e2\u961f\u95f4\u7684\u731c\u6d4b\u3002<\/p>\n<h2 id='\u7ed3\u8bba'  id=\"boomdevs_46\">\u7ed3\u8bba<\/h2>\n<p>\u7f51\u7ad9\u4e0d\u4f1a\u5355\u4e00\u65b9\u5f0f\u5931\u8d25\uff1b\u5b83\u4eec\u662f\u6309 <i>\u5c42<\/i> \u5931\u8d25\u7684\u3002\u6bcf\u6b21\u6545\u969c\u90fd\u59cb\u4e8e\u8fde\u63a5\u94fe\u4e2d\u7684\u67d0\u4e2a\u7279\u5b9a\u70b9\uff1a<b>DNS\u3001TCP\u3001TLS<\/b> \u6216 <b>HTTP<\/b>\u3002\u6bcf\u4e00\u5c42\u90fd\u6709\u5176\u81ea\u8eab\u7684\u98ce\u9669\u3001\u884c\u4e3a\u7279\u5f81\u4e0e\u6545\u969c\u7b7e\u540d\u3002<\/p>\n<p>\u901a\u8fc7\u91c7\u7528 <b>\u6309\u9519\u8bef\u7c7b\u578b\u7684\u76d1\u63a7<\/b>\uff0c\u60a8\u53ef\u4ee5\u5c06\u590d\u6742\u6027\u8f6c\u5316\u4e3a\u6e05\u6670\u5ea6\uff0c\u628a\u901a\u7528\u7684 <i>\u201c\u7f51\u7ad9\u5b95\u673a\u201d<\/i> \u8b66\u62a5\u53d8\u6210\u7cbe\u786e\u4e14\u53ef\u64cd\u4f5c\u7684\u6d1e\u89c1\u3002<\/p>\n<p>\u501f\u52a9\u50cf <b>Dotcom-Monitor<\/b> \u8fd9\u6837\u7684\u5de5\u5177\u652f\u6301\u7684\u7a33\u5065 <b>\u7f51\u7ad9\u76d1\u63a7\u7b56\u7565<\/b>\uff0c\u60a8\u83b7\u5f97\u7684\u4e0d\u4ec5\u662f\u53ef\u7528\u6027\u6570\u636e\uff0c\u8fd8\u6709\u7406\u89e3\u3002\u60a8\u5c06\u77e5\u9053 <i>\u4e3a\u4ec0\u4e48<\/i> \u7ad9\u70b9\u5b95\u673a\u3001<i>\u54ea\u4e00\u5c42<\/i> \u5f15\u8d77\u4e86\u95ee\u9898\u4ee5\u53ca <i>\u8c01<\/i> \u9700\u8981\u4fee\u590d\u5b83\u2014\u2014\u65e0\u8bba\u662f\u6ce8\u518c\u5546\u5c42\u9762\u7684 DNS \u64cd\u4f5c\u3001\u4e3b\u673a\u5546\u5bfc\u81f4\u7684 TCP \u8d85\u65f6\uff0c\u8fd8\u662f TLS \u8bc1\u4e66\u8fc7\u671f\u2014\u2014\u90fd\u80fd\u5728\u7528\u6237\u6ce8\u610f\u5230\u4e4b\u524d\u5feb\u901f\u5b9a\u4f4d\u6839\u56e0\u3002<\/p>\n<p>\u5f52\u6839\u7ed3\u5e95\uff0c\u57fa\u4e8e\u9519\u8bef\u7684\u76d1\u63a7\u4e0d\u4ec5\u5173\u4e4e\u4fdd\u6301\u7f51\u7ad9\u5728\u7ebf\uff1b\u5b83\u5173\u4e4e <b>\u8d23\u4efb\u3001\u53ef\u89c1\u6027\u4e0e\u901f\u5ea6<\/b>\u3002\u4e0b\u6b21\u60a8\u7684\u7f51\u7ad9\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u4e0d\u8981\u6ee1\u8db3\u4e8e\u4e0d\u786e\u5b9a\u6027\u3002\u8981\u786e\u5207\u77e5\u9053\u662f\u4ec0\u4e48\u574f\u4e86\u3001\u4e3a\u4ec0\u4e48\u574f\u4e86\uff0c\u4ee5\u53ca\u5982\u4f55\u4ee5\u81ea\u4fe1\u4e0e\u6e05\u6670\u89e3\u51b3\u5b83\u3002<\/p>\n<div class=\"dcm_inblog_cta\">\n<p>\u51c6\u5907\u597d\u4ee5\u667a\u80fd\u65b9\u5f0f\u76d1\u63a7\u60a8\u7684\u7f51\u7ad9\u5417\uff1f<\/p>\n<p style=\"font-size: 22px;\">\u5728\u7528\u6237\u53d1\u73b0\u4e4b\u524d\u68c0\u6d4b DNS\u3001TCP\u3001TLS \u4e0e HTTP \u95ee\u9898\u3002<\/p>\n<p><a class=\"dcm_inblog_cta_button\" href=\"https:\/\/userauth.dotcom-monitor.com\/Account\/FreeTrialSignUp?SolutionType=Monitoring\">\u7acb\u5373\u5f00\u59cb\u60a8\u7684 Dotcom-Monitor \u514d\u8d39\u8bd5\u7528<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6309\u7c7b\u578b\u76d1\u63a7\u7f51\u7ad9\u9519\u8bef\u3002\u4ece DNS \u5230 TCP\u3001TLS \u548c HTTP\uff0c\u67e5\u770b\u6bcf\u79cd\u6545\u969c\u7684\u542b\u4e49\u4ee5\u53ca\u76d1\u63a7\u5982\u4f55\u63ed\u793a\u6839\u672c\u539f\u56e0\u3002<\/p>\n","protected":false},"author":39,"featured_media":30431,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[900],"tags":[],"class_list":["post-30425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-900"],"_links":{"self":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/posts\/30425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/comments?post=30425"}],"version-history":[{"count":0,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/posts\/30425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/media\/30431"}],"wp:attachment":[{"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/media?parent=30425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/categories?post=30425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/wp-json\/wp\/v2\/tags?post=30425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}