{"id":18,"date":"2026-07-20T21:12:16","date_gmt":"2026-07-20T13:12:16","guid":{"rendered":"https:\/\/blog.1988idc.cn\/?p=18"},"modified":"2026-07-20T21:12:16","modified_gmt":"2026-07-20T13:12:16","slug":"%e4%b8%80%e6%96%87%e7%9c%8b%e6%87%82%e5%b8%b8%e8%a7%81%e9%98%b2%e7%81%ab%e5%a2%99%e9%98%bb%e6%96%ad%e6%8a%80%e6%9c%af%e4%b8%8e-dns-%e6%b1%a1%e6%9f%93","status":"publish","type":"post","link":"https:\/\/blog.1988idc.cn\/index.php\/2026\/07\/20\/%e4%b8%80%e6%96%87%e7%9c%8b%e6%87%82%e5%b8%b8%e8%a7%81%e9%98%b2%e7%81%ab%e5%a2%99%e9%98%bb%e6%96%ad%e6%8a%80%e6%9c%af%e4%b8%8e-dns-%e6%b1%a1%e6%9f%93\/","title":{"rendered":"\u4e00\u6587\u770b\u61c2\u5e38\u89c1\u9632\u706b\u5899\u963b\u65ad\u6280\u672f\u4e0e DNS \u6c61\u67d3"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-style-plain is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u8f6c\u8f7d\u58f0\u660e\uff1a<\/strong>\u672c\u6587\u8f6c\u8f7d\u81f3<a href=\"https:\/\/blog.hyun.cc\/\">\u7384\u5916\u4e4b\u97f3<\/a>\uff0c\u539f\u6587\u94fe\u63a5<a href=\"https:\/\/blog.hyun.cc\/post\/nAY9Im\/\">\u4e00\u6587\u770b\u61c2\u5e38\u89c1\u9632\u706b\u5899\u963b\u65ad\u6280\u672f\u4e0e DNS \u6c61\u67d3 | \u7384\u5916\u4e4b\u97f3<\/a>\uff0c\u4f5c\u8005\uff1a\u8eab\u4e16\uff0c\u539f\u6587\u53d1\u5e03\u65f6\u95f4\uff1a2026\/05\/16\uff0c\u539f\u6587\u5feb\u7167<a href=\"https:\/\/pic.1988idc.cn\/pic\/2026-07-20-7.jpg\">https:\/\/pic.1988idc.cn\/pic\/2026-07-20-7.jpg<\/a><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u540c\u5b66\u4e00\u65e6\u9047\u5230\u7f51\u7edc\u6545\u969c\uff0c\u7531\u4e8e\u4e0d\u4e86\u89e3\u8fb9\u754c\u9632\u706b\u5899\uff08\u5982\u4f01\u4e1a\u5185\u7f51\u9632\u706b\u5899\u3001\u9aa8\u5e72\u7f51\u957f\u57ceGFW\uff09\u7684\u5e95\u5c42\u673a\u5236\uff0c\u5f80\u5f80\u4f1a\u9677\u5165\u76f2\u76ee\u7684\u731c\u7591\u4e2d\uff0c\u4e0d\u662f\u75af\u72c2\u91cd\u88c5\u7cfb\u7edf\uff0c\u5c31\u662f\u65e0\u4f11\u6b62\u5730\u8d28\u95ee\u670d\u52a1\u5546\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\uff0c\u6240\u8c13\u7684\u201c\u5899\u201d\u5e76\u4e0d\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u201c\u5f00\u5173\u201d\uff0c\u5b83\u662f\u4e00\u6574\u5957\u7cbe\u5bc6\u7684\u3001\u5206\u5c42\u7ea7\u7684\u62e6\u622a\u6280\u672f\u3002\u7f51\u7edc\u6570\u636e\u4f20\u8f93\u5c31\u50cf\u5bc4\u5feb\u9012\uff0c\u8981\u7ecf\u8fc7\u6253\u5305\uff08\u5e94\u7528\u5c42\uff09\u3001\u5199\u5730\u5740\uff08\u7f51\u7edc\u5c42\uff09\u3001\u8fd0\u8f93\uff08\u4f20\u8f93\u5c42\uff09\u7b49\u591a\u4e2a\u6b65\u9aa4\u3002\u9632\u706b\u5899\u7684\u62e6\u622a\uff0c\u4e5f\u662f\u5728\u8fd9\u51e0\u4e2a\u5c42\u7ea7\u4e0a\u5206\u522b\u5c55\u5f00\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7bc7\u6587\u7ae0\u5c31\u4e3a\u4f60\u5f7b\u5e95\u62c6\u89e3<strong>\u9632\u706b\u5899\u963b\u65ad\u6280\u672f\u4e0e\u52a8\u6001\u8bc6\u522b\u7b97\u6cd5<\/strong>\uff0c\u5e2e\u4f60\u5efa\u7acb\u8d77\u4e00\u5957\u79d1\u5b66\u7684\u7f51\u7edc\u6392\u67e5\u601d\u7ef4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001 DNS \u6c61\u67d3\uff08\u5165\u53e3\u6390\u65ad\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f5c\u7528\u5c42\u7ea7\uff1a \u5e94\u7528\u5c42\uff08OSI \u7b2c\u4e03\u5c42\uff09\n\u53d1\u751f\u9636\u6bb5\uff1a \u57df\u540d\u89e3\u6790\u9636\u6bb5\uff08\u6b64\u65f6\u7528\u6237\u751a\u81f3\u8fd8\u6ca1\u8fde\u4e0a\u670d\u52a1\u5668\uff09\u3002\n\u6392\u67e5\u8868\u73b0\uff1a \u89e3\u6790\u901f\u5ea6\u6781\u5feb\uff08\u901a\u5e38\u53ea\u9700\u51e0\u6beb\u79d2\uff09\uff0c\u4f46\u89e3\u6790\u51fa\u7684 IP \u4e71\u4e03\u516b\u7cdf\u3002\u6d4f\u89c8\u5668\u62a5\u9519\uff1aERR_NAME_NOT_RESOLVED\u3002<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e95\u5c42\u539f\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4f60\u5728\u6d4f\u89c8\u5668\u8f93\u5165\u57df\u540d\uff08\u5982&nbsp;<code>google.com<\/code>\uff09\u65f6\uff0c\u7cfb\u7edf\u4f1a\u53d1\u9001\u4e00\u4e2a\u660e\u6587\u7684 UDP 53 \u7aef\u53e3\u8bf7\u6c42\u53bb\u8be2\u95ee IP\u3002\u9632\u706b\u5899\u5728\u9aa8\u5e72\u7f51\u8fb9\u7f18\u76d1\u542c\u5230\u8fd9\u4e2a\u8bf7\u6c42\u540e\uff0c\u5982\u679c\u53d1\u73b0\u662f\u9ed1\u540d\u5355\u57df\u540d\uff0c\u5b83\u4f1a<strong>\u62a2\u5728\u771f\u6b63\u7684 DNS \u670d\u52a1\u5668\u4e4b\u524d\uff0c\u8fd4\u56de\u4e00\u4e2a\u5047\u7684\u968f\u673a IP<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a UDP \u534f\u8bae\u662f\u65e0\u8fde\u63a5\u7684\u3001\u4e14\u201c\u5148\u5230\u4e3a\u4e3b\u201d\uff0c\u4f60\u7684\u7535\u8111\u62ff\u5230\u8fd9\u4e2a\u6700\u5feb\u5230\u8fbe\u7684\u5047 IP \u540e\uff0c\u540e\u7eed\u771f\u6b63\u7684\u3001\u6b63\u786e\u7684\u54cd\u5e94\u5c31\u88ab\u64cd\u4f5c\u7cfb\u7edf\u65e0\u60c5\u4e22\u5f03\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6838\u5fc3\u673a\u5236\uff1aDNS \u6c61\u67d3\u7684\u201c\u4eba\u5de5\u7ef4\u62a4\u201d\u672c\u8d28<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6574\u4e2a\u62e6\u622a\u94fe\u6761\u4e2d\uff0c\u867d\u7136\u201c\u6295\u6bd2\u201d\u7684\u52a8\u4f5c\u662f\u9aa8\u5e72\u7f51\u8bbe\u5907\u5168\u81ea\u52a8\u6267\u884c\u7684\uff0c\u4f46<strong>\u5224\u5b9a\u201c\u54ea\u4e2a\u57df\u540d\u8be5\u88ab\u6c61\u67d3\u201d\u7684\u51b3\u7b56\u6743\uff0c\u81f3\u4eca\u4f9d\u7136\u7262\u7262\u638c\u63e1\u5728\u4eba\u5de5\u624b\u91cc<\/strong>\u3002\u8fd9\u5957\u9759\u6001\u9ed1\u540d\u5355\u4e3b\u8981\u7531\u4ee5\u4e0b\u4e24\u5927\u652f\u67f1\u6784\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5408\u89c4\u4e0e\u653f\u6cbb\u5e38\u9a7b\u540d\u5355\uff1a \u5ba1\u8ba1\u6d77\u5916\u77e5\u540d\u7684\u5927\u578b\u4e3b\u6d41\u7ad9\u70b9\uff08\u5982 Google\u3001Twitter\/X\u3001Facebook \u7b49\uff09\u3002\n\u9ed1\u7070\u4ea7\u6279\u91cf\u5bfc\u5165\u540d\u5355\uff1a \u5ba1\u8ba1\u6d77\u5916\u535a\u5f69\u3001\u8de8\u56fd\u8bc8\u9a97\u3001\u5927\u578b\u76d7\u7248\u5f71\u89c6\u53ca\u52a8\u6f2b\u8d44\u6e90\u7ad9\u3002<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5982\u4f55\u5224\u65ad\u662f\u5426\u88ab DNS \u6c61\u67d3\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u901a\u8fc7&nbsp;<strong>IT\u72d7<\/strong>\u3001<strong>\u963f\u91cc\u4e91\u62e8\u6d4b<\/strong>&nbsp;\u6216&nbsp;<strong>\u7ad9\u957f\u5de5\u5177<\/strong>&nbsp;\u7b49\u591a\u5730\u5168\u7f51\u62e8\u6d4b\u5e73\u53f0\u8fdb\u884c\u5bf9\u6bd4\u9a8c\u8bc1\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89e6\u53d1\u573a\u666f<\/th><th>\u56fd\u5185\u8282\u70b9\u8868\u73b0<\/th><th>\u6839\u672c\u539f\u56e0\u4e0e\u7ed3\u8bba<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5e38\u89c4\u89e3\u6790\u72b6\u6001<\/strong><\/td><td>\u57df\u540d\u5df2\u6b63\u5e38\u914d\u7f6e A \u8bb0\u5f55\uff0c\u4f46\u56fd\u5185\u62e8\u6d4b\u7ed3\u679c\u6279\u91cf\u6307\u5411\u4e00\u5806\u975e\u4f60\u6240\u6709\u7684\u964c\u751f IP\uff08\u6d77\u5916\u89e3\u6790\u5b8c\u5168\u6b63\u5e38\uff09\u3002<\/td><td><strong>\u786e\u8bca DNS \u6c61\u67d3\u3002<\/strong>&nbsp;\u9aa8\u5e72\u7f51\u8fb9\u7f18\u8282\u70b9\u7f13\u5b58\u5df2\u88ab\u5f3a\u884c\u7be1\u6539\u3002<\/td><\/tr><tr><td><strong>\u7a7a\u89e3\u6790\/\u6682\u505c\u72b6\u6001<\/strong><\/td><td>\u5f7b\u5e95\u5220\u9664\u5e76\u6682\u505c\u6240\u6709\u89e3\u6790\u8bb0\u5f55\u540e\uff0c\u56fd\u5185\u67e5\u8be2\u4f9d\u7136\u80fd\u51ed\u7a7a\u89e3\u6790\u51fa\u968f\u673a\u7684\u9ed1\u540d\u5355 IP\u3002<\/td><td><strong>\u786e\u8bca\u4eba\u5de5\u9ed1\u540d\u5355\u5e72\u9884\u3002<\/strong>&nbsp;\u9632\u706b\u5899\u76f4\u63a5\u4f2a\u9020\u54cd\u5e94\uff0c\u57df\u540d\u57fa\u672c\u62a5\u5e9f\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u57df\u540d&nbsp;<code>asmdy.com<\/code>&nbsp;\u4e3a\u4f8b\uff0c\u5176\u5b9e\u9645\u914d\u7f6e\u4e0e\u6c61\u67d3\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9884\u671f\u6b63\u786e\u7684 A \u8bb0\u5f55\uff1a 192.238.204.73\n\u6d77\u5916\u68c0\u6d4b\u7ed3\u679c\uff1a \u8fd4\u56de 192.238.204.73\uff08\u6b63\u5e38 \ud83d\udfe2\uff09\n\u56fd\u5185\u68c0\u6d4b\u7ed3\u679c\uff1a \u7edd\u5927\u591a\u6570\u7701\u4efd\u7684\u8fd0\u8425\u5546\u8282\u70b9\u8fd4\u56de\u4e86\u5b8c\u5168\u65e0\u5173\u7684\u968f\u673a IP\uff08\u6c61\u67d3 \ud83d\udd34\uff09<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/c41ae10266f806f19f21c340d7a281f9-315x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"315\" height=\"1024\" data-original=\"https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/c41ae10266f806f19f21c340d7a281f9-315x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-19\"  sizes=\"auto, (max-width: 315px) 100vw, 315px\" \/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-style-plain is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc\u00a0<strong>DNS \u6c61\u67d3\u7684\u6b8b\u9177\u73b0\u5b9e\uff1a\u57fa\u672c\u65e0\u89e3\uff0c\u53ca\u65f6\u6b62\u635f\u3002<\/strong><br>\u884c\u4e1a\u5185\u7ecf\u5e38\u6d41\u4f20\u4e00\u79cd\u8bf4\u6cd5\uff1a\u201c\u6682\u505c\u6240\u6709\u89e3\u6790\uff0c\u5c01\u5b58\u51e0\u5e74\u540e\u57df\u540d\u5c31\u80fd\u81ea\u52a8\u6062\u590d\u3002\u201d \u4f46\u4ece\u6211\u7684\u5b9e\u9645\u7ecf\u9a8c\u6765\u770b\uff0c\u8fdb\u4e86\u5899\u5185 DNS \u6c61\u67d3\u9ed1\u540d\u5355\u7684\u57df\u540d\uff0c<strong>\u51e0\u4e4e\u7b49\u540c\u4e8e\u6c38\u4e45\u62a5\u5e9f<\/strong>\u3002\u4e0d\u8981\u6d6a\u8d39\u65f6\u95f4\u5c1d\u8bd5\u7b49\u5f85\u89e3\u5c01\u6216\u51c0\u5316\uff0c<strong>\u76f4\u63a5\u66f4\u6362\u57df\u540d<\/strong>\u662f\u6700\u9ad8\u6548\u3001\u6210\u672c\u6700\u4f4e\u7684\u9009\u62e9\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001 IP \u5c01\u9501 \/ \u8def\u7531\u9ed1\u6d1e \/ TCP \u91cd\u7f6e\u653b\u51fb\uff08\u66b4\u529b\u65ad\u8def\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f5c\u7528\u5c42\u7ea7\uff1a OSI \u7f51\u7edc\u5c42\uff08Layer 3\uff09 \/ \u4f20\u8f93\u5c42\uff08Layer 4\uff09\n\u53d1\u751f\u9636\u6bb5\uff1a \u8def\u7531\u5bfb\u5740\u9636\u6bb5 \/ TCP \u4f1a\u8bdd\u6570\u636e\u4f20\u8f93\u9636\u6bb5\uff08\u517c\u5177\u201c\u4e8b\u524d\u7cbe\u51c6\u963b\u65ad\u201d\u4e0e\u201c\u4e8b\u4e2d\u52a8\u6001\u6390\u65ad\u201d\u80fd\u529b\uff09\u3002\n\u6392\u67e5\u8868\u73b0\uff1a * \u8def\u7531\u9ed1\u6d1e\uff1a \u5168\u7f51 ping \u5747\u4e0d\u901a\uff0c\u4ece\u56fd\u5185\u505a mtr \u8def\u7531\u8ffd\u8e2a\uff0c\u6570\u636e\u5305\u5728\u51fa\u5883\u9aa8\u5e72\u7f51\u8282\u70b9\u5904\u621b\u7136\u800c\u6b62\u3002\nTCP\u91cd\u7f6e\uff1a ping \u4e5f\u8bb8\u80fd\u901a\uff0c\u4f46\u4e00\u65e6\u5efa\u7acb\u7279\u5b9a\u8fde\u63a5\uff0c\u7acb\u9a6c\u62a5 ERR_CONNECTION_RESET\u3002<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/10689ffabdcb8bb8792d0259d53b3a14-251x1024.webp'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"1024\" data-original=\"https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/10689ffabdcb8bb8792d0259d53b3a14-251x1024.webp\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-21\"  sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. IP \u5c01\u9501\u4e0e\u8def\u7531\u9ed1\u6d1e\uff08\u9759\u6001\u4e22\u5f03\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9632\u706b\u5899\u76f4\u63a5\u5c06\u76ee\u6807\u670d\u52a1\u5668\u7684\u5916\u90e8 IP \u5730\u5740\u5217\u5165\u8de8\u5883\u9aa8\u5e72\u7f51\u7684\u8def\u7531\u9ed1\u540d\u5355\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BGP \u5ba3\u544a\uff1a \u901a\u8fc7\u8fb9\u754c\u7f51\u5173\u534f\u8bae\uff08BGP\uff09\u5411\u6838\u5fc3\u8def\u7531\u5668\u52a8\u6001\u53d1\u5e03\u9ed1\u6d1e\u8def\u7531\u6307\u4ee4\u3002\nNull \u8def\u7531\uff1a \u9aa8\u5e72\u8def\u7531\u5668\u63a5\u6536\u6307\u4ee4\u540e\uff0c\u4e00\u65e6\u53d1\u73b0\u6570\u636e\u5305\u7684\u76ee\u6807\u5730\u5740\u547d\u4e2d\u9ed1\u540d\u5355\uff0c\u76f4\u63a5\u6267\u884c \u5f15\u5411 Null 0 \u63a5\u53e3\uff0c\u6570\u636e\u5305\u5728\u7f51\u7edc\u5c42\u88ab\u65e0\u6761\u4ef6\u4e22\u5f03\u3002<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. TCP \u91cd\u7f6e\u653b\u51fb\uff08\u65c1\u8def\u52a8\u6001\u963b\u65ad\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u9632\u706b\u5899\u901a\u8fc7\u65c1\u8def\u76d1\u542c\uff08Monitor\uff09\u53d1\u73b0\u6b63\u5728\u4f20\u8f93\u7684 TCP \u4f1a\u8bdd\u4e2d\u89e6\u53d1\u4e86\u5408\u89c4\u5ba1\u8ba1\uff08\u4f8b\u5982\u660e\u6587 HTTP \u8bf7\u6c42\u4e2d\u5305\u542b\u4e86\u654f\u611f\u8bcd\u6c47\uff09\u65f6\uff0c\u4f1a\u89e6\u53d1\u201c\u53cc\u5411\u6b3a\u9a97\u201d\u673a\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>               \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n               \u2502   \u9632\u706b\u5899   \u2502 (\u65c1\u8def\u76d1\u542c\u5230\u654f\u611f\u8bcd)\n               \u2514\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2518\n          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n  \u4f2a\u9020 &#91;RST] \u5305          \u4f2a\u9020 &#91;RST] \u5305\n  (\u5047\u5192\u670d\u52a1\u5668)           (\u5047\u5192\u5ba2\u6237\u7aef)\n    \u25bc                     \u25bc\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510         \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u5ba2\u6237\u7aef \ud83d\udcbb \u2502         \u2502 \u670d\u52a1\u5668 \ud83c\udf10 \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518         \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n(\u8fde\u63a5\u88ab\u5f3a\u884c\u5207\u65ad)      (\u8fde\u63a5\u88ab\u5f3a\u884c\u5207\u65ad)\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\u53cc\u5411\u4f2a\u9020\uff1a \u9632\u706b\u5899\u7acb\u5373\u4f2a\u88c5\u6210\u76ee\u6807\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u5e26\u6709 RST \u6807\u5fd7\u4f4d\u7684 TCP \u62a5\u6587\uff1b\u540c\u65f6\u4f2a\u88c5\u6210\u5ba2\u6237\u7aef\u5411\u771f\u6b63\u7684\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u76f8\u540c\u7684 RST \u62a5\u6587\u3002\n\u5f3a\u884c\u65ad\u8def\uff1a \u4e24\u7aef\u64cd\u4f5c\u7cfb\u7edf\u5728\u6536\u5230 RST \u5305\u540e\uff0c\u5747\u8bef\u4ee5\u4e3a\u5bf9\u65b9\u906d\u9047\u5f02\u5e38\u4e3b\u52a8\u5173\u95ed\u4e86\u8fde\u63a5\uff0c\u968f\u5373\u5728\u4f20\u8f93\u5c42\u76f4\u63a5\u9500\u6bc1 Socket \u4f1a\u8bdd\u3002<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001 SNI \u963b\u65ad\uff08HTTPS \u7684\u963f\u5580\u7409\u65af\u4e4b\u8e35\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f5c\u7528\u5c42\u7ea7\uff1a \u5e94\u7528\u5c42\/\u8868\u793a\u5c42\uff08OSI \u7b2c\u516d\/\u4e03\u5c42\uff09\n\u53d1\u751f\u9636\u6bb5\uff1a \u4e13\u95e8\u9488\u5bf9 HTTPS\/TLS \u63e1\u624b\u9636\u6bb5\u3002\n\u6392\u67e5\u8868\u73b0\uff1a \u670d\u52a1\u5668 IP \u80fd\u6b63\u5e38 ping \u901a\uff0cTCP \u4e09\u6b21\u63e1\u624b\u4e5f\u80fd\u6210\u529f\u3002\u4f46\u6d4f\u89c8\u5668\u72b6\u6001\u680f\u663e\u793a\u201c\u6b63\u5728\u5efa\u7acb\u5b89\u5168\u8fde\u63a5\u2026\u201d\u65f6\uff0c\u7a81\u7136\u88ab\u5207\u65ad\uff0c\u63d0\u793a ERR_CONNECTION_RESET\u3002<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u7684 SNI \u963b\u65ad\u5c5e\u4e8e\u591a\u7ef4\u52a8\u6001\u5ba1\u8ba1\u673a\u5236\u3002\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5173\u8054\u55c5\u63a2\u7f51\u7ad9\u7684\u654f\u611f\u5173\u952e\u8bcd\u3001\u5185\u5bb9\u4f20\u9012\u7279\u5f81\u3001\u6d41\u91cf\u5305\u5927\u5c0f\u4ee5\u53ca\u662f\u5426\u5177\u5907\u4ee3\u7406\u5de5\u5177\u7684\u6d41\u91cf\u7279\u5f81\u3002\u6839\u636e\u76ee\u524d\u7684\u5b9e\u6218\u6570\u636e\u6765\u770b\uff0c\u5982\u679c\u4f60\u624b\u91cc\u7684\u57df\u540d\u662f\u975e\u5907\u6848\u57df\u540d\uff0c\u6216\u8005\u89e3\u6790\u5728\u6d77\u5916 IP \u4e0a\uff0c\u53ea\u8981\u4f60\u7b26\u5408\u8fd9\u4e9b\u7279\u5f81\uff0c\u4e2d\u62db SNI \u963b\u65ad\u7684\u6982\u7387\u5c06\u76f4\u903c 70% \u4ee5\u4e0a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/12-318x1024.webp'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"318\" height=\"1024\" data-original=\"https:\/\/blog.1988idc.cn\/wp-content\/uploads\/2026\/07\/12-318x1024.webp\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-22\"  sizes=\"auto, (max-width: 318px) 100vw, 318px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e95\u5c42\u539f\u7406\uff1a\u6293\u51c6\u552f\u4e00\u7684\u660e\u6587\u6f0f\u6d1e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u4eba\u4ee5\u4e3a\u7f51\u7ad9\u7528\u4e86 HTTPS \u5168\u7ad9\u52a0\u5bc6\u5c31\u9ad8\u6795\u65e0\u5fe7\u4e86\u3002\u5176\u5b9e\uff0c\u5728 HTTPS \u521a\u5f00\u59cb\u5efa\u7acb\u8fde\u63a5\u7684\u90a3\u4e00\u79d2\uff08\u5373\u5ba2\u6237\u7aef\u53d1\u9001&nbsp;<code>Client Hello<\/code>&nbsp;\u6570\u636e\u5305\u65f6\uff09\uff0c\u7531\u4e8e\u4e24\u7aef\u5c1a\u672a\u4ea4\u6362\u5bc6\u94a5\uff0c\u52a0\u5bc6\u901a\u9053\u6839\u672c\u6ca1\u6709\u5efa\u7acb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8ba9\u670d\u52a1\u5668\u77e5\u9053\u8be5\u51fa\u793a\u54ea\u5f20 SSL \u8bc1\u4e66\uff0c\u6d4f\u89c8\u5668\u5fc5\u987b\u5c06\u4f60\u8bbf\u95ee\u7684\u57df\u540d\u4ee5<strong>\u660e\u6587<\/strong>\u5f62\u5f0f\u5199\u5728&nbsp;<code>SNI\uff08Server Name Indication\uff09<\/code>&nbsp;\u6269\u5c55\u5b57\u6bb5\u4e2d\u3002\u9632\u706b\u5899\u6b63\u662f\u6b7b\u6b7b\u6293\u4f4f\u4e86\u8fd9\u4e2a\u552f\u4e00\u7684\u660e\u6587\u6f0f\u6d1e\uff0c\u5728\u9aa8\u5e72\u7f51\u8282\u70b9\u4e0a\u8fdb\u884c\u7cbe\u51c6\u622a\u51fb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u52a8\u6001\u6355\u83b7\uff1a\u4e3a\u4ec0\u4e48\u975e\u5907\u6848\u57df\u540d\/\u6d77\u5916 IP \u66f4\u5bb9\u6613\u4e2d\u62db\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u89c2\u6d4b\u4e2d\uff0c<strong>SNI \u963b\u65ad\u65e9\u5df2\u4e0d\u662f\u5355\u7eaf\u7684\u9759\u6001\u9ed1\u540d\u5355\u62e6\u622a\uff0c\u5b83\u5e26\u6709\u6781\u5f3a\u7684\u201c\u81ea\u52a8\u5316\u5173\u8054\u5ba1\u8ba1\u201d\u7279\u5f81<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u7684\u57df\u540d\u548c\u670d\u52a1\u5668\u5177\u5907\u4ee5\u4e0b\u7279\u5f81\uff0c\u89e6\u53d1 SNI \u963b\u65ad\u7684\u6982\u7387\u4f1a\u98d9\u5347&nbsp;<strong>70% \u4ee5\u4e0a<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.\u6d77\u5916 IP \/ \u8de8\u5883\u6d41\u91cf\u654f\u611f\u5ea6\uff1a \u6d41\u91cf\u4e00\u65e6\u8def\u7531\u81f3\u8de8\u5883\u9aa8\u5e72\u7f51\u63a5\u53e3\uff0c\u672c\u8eab\u5c31\u4f1a\u8fdb\u5165\u9ad8\u5f3a\u5ea6\u5ba1\u8ba1\u961f\u5217\u3002\n2.\u975e\u5907\u6848\u57df\u540d\u7684\u201c\u539f\u7f6a\u201d\uff1a \u672a\u5907\u6848\u57df\u540d\u5728\u767d\u540d\u5355\u7cfb\u7edf\u4e2d\u67e5\u65e0\u6b64\u4eba\uff0c\u9632\u706b\u5899\u5bf9\u8be5\u7c7b\u57df\u540d\u7684\u660e\u6587 SNI \u4f1a\u8fdb\u884c\u66f4\u957f\u5468\u671f\u7684\u6df1\u5ea6\u8ddf\u8e2a\u3002\n3.\u5185\u5bb9\u4e0e\u5173\u952e\u8bcd\u8054\u52a8\u63a2\u6d4b\uff1a \u9632\u706b\u5899\u5728\u963b\u65ad\u53d1\u751f\u524d\uff0c\u5f80\u5f80\u5df2\u7ecf\u901a\u8fc7\u4e0a\u5c42\u6d41\u5a92\u4f53\u68c0\u6d4b\u6216\u5386\u53f2\u7f13\u5b58\uff0c\u55c5\u63a2\u5230\u4e86\u8be5\u57df\u540d\u4e0b\u4f20\u9012\u7684\u67d0\u4e9b\u654f\u611f\u5173\u952e\u8bcd\u3002\u4e00\u65e6\u8fd9\u4e9b\u5173\u952e\u8bcd\u3001\u5185\u5bb9\u7279\u5f81\u4e0e\u201c\u6d77\u5916 IP + \u672a\u5907\u6848\u57df\u540d\u201d\u4e09\u8005\u91cd\u5408\uff0c\u7cfb\u7edf\u5c31\u4f1a\u81ea\u52a8\u4e0b\u53d1\u963b\u65ad\u6307\u4ee4\uff0c\u5c06\u8be5\u57df\u540d\u7684\u660e\u6587 SNI \u5f3a\u884c\u62e6\u622a\u3002<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4e3a\u4ec0\u4e48\u201c CDN IP\u201d\u65e0\u6cd5\u89e3\u51b3\u8fd9\u79cd\u963b\u65ad\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3acdn IP \u53ea\u662f\u6539\u53d8\u4e86\u4f60\u7684\u7269\u7406\u76ee\u7684\u8def\u5f84\uff08\u7ed5\u8fc7\u4e86\u7b2c\u4e8c\u5173\u7684 IP \u5c01\u9501\uff09\u3002\u53ea\u8981\u8fd9\u4e2a\u89e6\u53d1\u52a8\u6001\u5ba1\u8ba1\u7684\u57df\u540d\u8fd8\u5728\u9ed1\u540d\u5355\u6216\u91cd\u70b9\u76d1\u63a7\u6c60\u91cc\uff0c\u65e0\u8bba\u4f60\u6362\u5230\u54ea\u4e2a CDN IP\uff0cTLS \u63e1\u624b\u65f6\u7684\u660e\u6587 SNI \u4f9d\u7136\u66b4\u9732\u5728\u6570\u636e\u5305\u4e2d\u3002\u9632\u706b\u5899\u5728\u9aa8\u5e72\u7f51\u770b\u4e00\u773c\uff0c\u7167\u6837\u76f4\u63a5\u4e0b\u53d1&nbsp;<code>RST<\/code>&nbsp;\u62a5\u6587\u5c06\u5176\u5f3a\u884c\u5207\u65ad\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001 DPI \u6df1\u5ea6\u5305\u68c0\u6d4b\u4e0e\u6d41\u91cf\u6307\u7eb9\u8bc6\u522b\uff08\u52a8\u6001\u8bc6\u522b\u963b\u65ad\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f5c\u7528\u5c42\u7ea7\uff1a \u4f20\u8f93\u5c42\u81f3\u5e94\u7528\u5c42\uff08OSI \u7b2c\u56db\uff5e\u4e03\u5c42\u6df1\u5ea6\u89e3\u6790\uff09\n\u53d1\u751f\u9636\u6bb5\uff1a \u6301\u7eed\u8fde\u63a5\u4e0e\u6570\u636e\u4f20\u8f93\u9636\u6bb5\u3002\n\u6392\u67e5\u8868\u73b0\uff1a \u521a\u642d\u5efa\u597d\u7684\u670d\u52a1\uff0c\u524d\u51e0\u5206\u949f\u8fde\u63a5\u5b8c\u5168\u6b63\u5e38\uff0c\u901f\u5ea6\u98de\u5feb\uff1b\u4f46\u5728\u4f20\u8f93\u4e86\u5927\u6587\u4ef6\u6216\u6301\u7eed\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u8fde\u63a5\u7a81\u7136\u88ab\u963b\u65ad\uff0c\u751a\u81f3\u5bfc\u81f4\u670d\u52a1\u5668 IP \u88ab\u4e34\u65f6\u6216\u6c38\u4e45\u5c01\u9501\uff08\u901a\u5e38\u8868\u73b0\u4e3a TCP \u7aef\u53e3\u88ab\u5c01\uff09\u3002<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4ece\u201c\u770b\u5185\u5bb9\u201d\u5230\u201c\u770b\u7279\u5f81\u201d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u9632\u706b\u5899\u53ea\u80fd\u770b\u660e\u6587\uff08\u5982\u660e\u6587 HTTP\u3001\u660e\u6587 DNS\u3001\u660e\u6587 SNI\uff09\u3002\u4f46\u5728\u5168\u7ad9 HTTPS \u65f6\u4ee3\uff0c\u6570\u636e\u5185\u5bb9\u53d8\u6210\u4e86\u5bc6\u6587\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u79cd\u53d8\u5316\uff0c\u9632\u706b\u5899\u6f14\u8fdb\u51fa\u4e86&nbsp;<strong>DPI\uff08Deep Packet Inspection\uff0c\u6df1\u5ea6\u5305\u68c0\u6d4b\uff09<\/strong>&nbsp;\u6280\u672f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4e0d\u5173\u5fc3\u4f60\u4f20\u8f93\u7684\u5177\u4f53\u5185\u5bb9\u662f\u4ec0\u4e48\uff0c\u800c\u662f\u901a\u8fc7\u5206\u6790\u6570\u636e\u5305\u7684\u7edf\u8ba1\u5b66\u7279\u5f81\u3001\u65f6\u95f4\u95f4\u9694\u3001\u5305\u5927\u5c0f\u5206\u5e03\u3001\u4ee5\u53ca\u63e1\u624b\u7279\u5f81\uff08\u5982 TLS \u7684 JA3\/JA4 \u6307\u7eb9\uff09\u6765\u753b\u50cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3b\u52a8\u63a2\u6d4b\uff08Active Probing\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53 DPI \u53d1\u73b0\u67d0\u6bb5\u8de8\u5883\u6d41\u91cf\u5177\u5907\u201c\u7591\u4f3c\u4ee3\u7406\u5de5\u5177\u201d\u6216\u201c\u672a\u77e5\u52a0\u5bc6\u534f\u8bae\u201d\u7684\u7279\u5f81\uff0c\u4f46\u53c8\u65e0\u6cd5 100% \u786e\u8ba4\u65f6\uff0c\u9aa8\u5e72\u7f51\u9632\u706b\u5899\u4f1a\u91ca\u653e<strong>\u4e3b\u52a8\u63a2\u6d4b\u96c6\u7fa4<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u96c6\u7fa4\u4f1a\u4f2a\u88c5\u6210\u666e\u901a\u7684\u5ba2\u6237\u7aef\uff0c\u5411\u4f60\u7684\u670d\u52a1\u5668\u76ee\u6807\u7aef\u53e3\u53d1\u9001\u5404\u79cd\u5408\u6cd5\/\u975e\u6cd5\u7684\u534f\u8bae\u63e1\u624b\u8bf7\u6c42\uff08\u5982\u63a2\u9488\u8bf7\u6c42\uff09\u3002\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u6ca1\u6709\u505a\u4e25\u683c\u7684\u9632\u63a2\u6d4b\u4f2a\u88c5\uff0c\u76f4\u63a5\u54cd\u5e94\u4e86\u8fd9\u4e9b\u63a2\u9488\uff0c\u5c31\u4f1a\u77ac\u95f4\u66b4\u9732\u670d\u52a1\u7c7b\u578b\uff0c\u8fdb\u800c\u5f15\u53d1\u7aef\u53e3\u6216 IP \u7684\u5168\u7ebf\u5c01\u9501\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001 \u56fd\u5185\u9aa8\u5e72\u7f51\u7684\u201c\u963b\u65ad\u8ff7\u601d\u201d\uff1a\u9632\u706b\u5899\u3001\u963b\u65ad\u9875\u4e0e\u5907\u6848\u62e6\u622a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6280\u672f\u793e\u533a\u91cc\uff0c\u8fd8\u6709\u4e00\u79cd\u6700\u5e38\u89c1\u7684\u8bef\u533a\uff1a\u201c\u6211\u7684\u7f51\u7ad9\u4e00\u6253\u5f00\u5c31\u62a5\u8fde\u63a5\u91cd\u7f6e\/\u5f39\u51fa\u4e00\u4e2a\u8b66\u544a\u9875\u9762\uff0c\u6211\u662f\u4e0d\u662f\u88ab\u5899\u4e86\uff1f\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u7ad9\u957f\uff0c\u4f60\u9700\u8981\u4e25\u683c\u533a\u5206\u201c\u56fd\u5bb6\u7ea7\u8fb9\u754c\u9632\u706b\u5899\uff08GFW\uff09\u201d<strong>\u4e0e<\/strong>\u201c\u56fd\u5185\u8fd0\u8425\u5546\/\u673a\u623f\u5408\u89c4\u5ba1\u8ba1\u7cfb\u7edf\u201d\u7684\u533a\u522b\u3002\u8fd9\u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u7269\u7406\u9694\u79bb\u673a\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u62e6\u622a\u73b0\u8c61\u7684\u672c\u8d28\u533a\u522b<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u62e6\u622a\u73b0\u8c61<\/th><th>\u62a5\u9519\/\u8868\u73b0<\/th><th>\u6839\u672c\u539f\u56e0<\/th><th>\u5f52\u5c5e\u7cfb\u7edf<\/th><\/tr><\/thead><tbody><tr><td><strong>\u88ab\u5899\uff08GFW\uff09<\/strong><\/td><td>\u6ca1\u6709\u4efb\u4f55\u6587\u5b57\u63d0\u793a\uff0c\u76f4\u63a5\u65e0\u60c5\u8fd4\u56de&nbsp;<code>ERR_CONNECTION_RESET<\/code>&nbsp;\u6216\u76f4\u63a5\u8d85\u65f6\u3002<\/td><td>\u57df\u540d\u6216 IP \u89e6\u53d1\u4e86\u8de8\u5883\u9aa8\u5e72\u7f51\u5c42\u9762\u7684\u653f\u6cbb\u3001\u5408\u89c4\u9ed1\u540d\u5355\u3002<\/td><td>\u8fb9\u754c\u9632\u706b\u5899<\/td><\/tr><tr><td><strong>\u5907\u6848\/\u5408\u89c4\u62e6\u622a<\/strong><\/td><td>\u5f39\u51fa\u4e00\u4e2a\u660e\u786e\u7684\u7f51\u9875\uff0c\u5199\u7740&nbsp;<strong>\u201c\u8be5\u7f51\u7ad9\u672a\u5907\u6848\u201d<\/strong>&nbsp;\u6216&nbsp;<strong>\u201c\u6839\u636e\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\uff0c\u8be5\u7f51\u9875\u7531\u4e8e\u2026\u88ab\u62e6\u622a\u201d<\/strong>\u3002<\/td><td>\u7f51\u7ad9\u6258\u7ba1\u5728<strong>\u56fd\u5185\u673a\u623f<\/strong>\uff0c\u4f46\u57df\u540d\u6ca1\u6709\u53d6\u5f97\u5de5\u4e1a\u548c\u4fe1\u606f\u5316\u90e8\uff08MIIT\uff09\u7684 ICP \u5907\u6848\u53f7\uff0c\u6216\u8005\u89e6\u53d1\u4e86\u673a\u623f\u7684\u5173\u952e\u8bcd\u53cd\u8bc8\u5ba1\u8ba1\u3002<\/td><td>\u56fd\u5185\u673a\u623f\/\u8fd0\u8425\u5546\u767d\u540d\u5355\u7cfb\u7edf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. 80\/443 \u7aef\u53e3\u7684\u201c\u767d\u540d\u5355\u673a\u5236\u201d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u79df\u7528\u7684\u662f\u56fd\u5185\uff08\u5982\u4e0a\u6d77\u3001\u5317\u4eac\u3001\u5e7f\u5dde\u7b49\uff09\u7684\u670d\u52a1\u5668\uff0c\u56fd\u5185\u8fd0\u8425\u5546\u7684\u9aa8\u5e72\u7f51\u4ea4\u6362\u673a\u4e0a\u90e8\u7f72\u4e86&nbsp;<strong>\u201c\u672a\u5907\u6848\u57df\u540d\u62e6\u622a\u7cfb\u7edf\u201d<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5916\u90e8\u7528\u6237\u8bbf\u95ee\u4f60\u56fd\u5185\u670d\u52a1\u5668\u7684 80 \u6216 443 \u7aef\u53e3\u65f6\uff0c\u7cfb\u7edf\u4f1a\u63d0\u53d6 HTTP \u5934\u7684&nbsp;<code>Host<\/code>&nbsp;\u5b57\u6bb5\u6216 HTTPS \u7684&nbsp;<code>SNI<\/code>&nbsp;\u5b57\u6bb5\u3002\u4e00\u65e6\u5728\u672c\u5730\u7684\u201c\u5df2\u5907\u6848\u767d\u540d\u5355\u6570\u636e\u5e93\u201d\u4e2d\u68c0\u7d22\u4e0d\u5230\u8be5\u57df\u540d\uff0c\u6d41\u91cf\u5728\u673a\u623f\u5165\u53e3\u5c31\u4f1a\u88ab\u786c\u91cd\u5b9a\u5411\u5230\u8fd0\u8425\u5546\u7684\u201c\u6e29\u99a8\u63d0\u793a\uff1a\u8be5\u7f51\u7ad9\u672a\u5907\u6848\u201d\u7684\u963b\u65ad\u9875\u9762\u4e0a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5982\u4f55\u9a8c\u8bc1\uff1f \u5982\u679c\u4f60\u628a\u670d\u52a1\u7aef\u53e3\u4ece 443 \u6539\u6210\u975e\u6807\u51c6\u7aef\u53e3\uff08\u5982 8443\uff09\uff0c\u53d1\u73b0\u7a81\u7136\u80fd\u6b63\u5e38\u6253\u5f00\u4e86\uff0c\u90a3 100% \u662f\u5907\u6848\u62e6\u622a\uff0c\u800c\u4e0d\u662f\u670d\u52a1\u5668\u6302\u4e86\uff0c\u66f4\u4e0d\u662f\u88ab\u5899\u3002<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 \u79d1\u5b66\u7684\u7f51\u7edc\u6392\u67e5\u601d\u7ef4\u5bfc\u56fe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9047\u5230\u7f51\u7edc\u65e0\u6cd5\u8fde\u63a5\uff0c\u4e0d\u8981\u6293\u8033\u6320\u816e\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6807\u51c6\u6d41\u7a0b\u8fdb\u884c\u201c\u9012\u8fdb\u5f0f\u6392\u67e5\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\u5f00\u59cb\u6392\u67e5]\n   \u2502\n   \u25bc\n1. \u80fd Ping \u901a\u76ee\u6807 IP \u5417\uff1f\n   \u251c\u2500\u2500 \u4e0d\u80fd \u2500\u2500\u2500\u25ba \u505a mtr \u8def\u7531\u8ffd\u8e2a \u2500\u2500\u25ba \u5361\u5728\u51fa\u5883\u8282\u70b9\uff1f \u2500\u2500\u25ba &#91;IP \u88ab\u5c01\u9501\/\u8def\u7531\u9ed1\u6d1e]\n   \u2514\u2500\u2500 \u80fd \u2500\u2500\u2500\u2500\u25ba \u8fdb\u5165\u4e0b\u4e00\u6b65\n   \u2502\n   \u25bc\n2. \u57df\u540d\u89e3\u6790\u51fa\u7684 IP \u5bf9\u5417\uff1f\n   \u251c\u2500\u2500 \u4e0d\u5bf9 \u2500\u2500\u2500\u25ba \u6d77\u5916\u6b63\u5e38\uff0c\u56fd\u5185\u5168\u662f\u4e00\u5806\u968f\u673a\u964c\u751f IP\uff1f \u2500\u2500\u25ba &#91;\u786e\u8bca DNS \u6c61\u67d3]\n   \u2514\u2500\u2500 \u5bf9 \u2500\u2500\u2500\u2500\u25ba \u8fdb\u5165\u4e0b\u4e00\u6b65\n   \u2502\n   \u25bc\n3. TCP 3\u6b21\u63e1\u624b\u80fd\u6210\u529f\u5417\uff1f (\u7528 tcping \u6d4b\u8bd5\u7aef\u53e3)\n   \u251c\u2500\u2500 \u4e0d\u80fd \u2500\u2500\u2500\u25ba \u6362\u4e2a\u975e 80\/443 \u7aef\u53e3\u80fd\u6210\u529f\u5417\uff1f \u2500\u2500\u25ba \u80fd \u2500\u25ba &#91;\u56fd\u5185\u7aef\u53e3\u767d\u540d\u5355\/\u5907\u6848\u62e6\u622a]\n   \u2502                                           \u2514\u2500\u2500 \u4e0d\u80fd \u2500\u25ba &#91;\u670d\u52a1\u5668\u9632\u706b\u5899\u6ca1\u5f00\/\u670d\u52a1\u6b7b\u9501]\n   \u2514\u2500\u2500 \u80fd \u2500\u2500\u2500\u2500\u25ba \u8fdb\u5165\u4e0b\u4e00\u6b65\n   \u2502\n   \u25bc\n4. \u6d4f\u89c8\u5668\u8bbf\u95ee\u65f6\uff0c\u5728 TLS \u63e1\u624b\u9636\u6bb5\u62a5\u9519\uff1f\n   \u2514\u2500\u2500 \u662f \u2500\u2500\u2500\u2500\u25ba \u62a5\u9519 ERR_CONNECTION_RESET \u2500\u2500\u2500\u2500\u2500\u2500\u25ba &#91;\u786e\u8bca SNI \u963b\u65ad \/ \u654f\u611f\u8bcd\u5ba1\u8ba1]<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u7edc\u6280\u672f\u662f\u4e00\u4e2a\u52a8\u6001\u5bf9\u6297\u7684\u8fc7\u7a0b\u3002\u4e86\u89e3\u4e86\u201c\u963b\u65ad\u201d\u7684\u672c\u8d28\uff0c\u4f60\u5c31\u4f1a\u53d1\u73b0\u7f51\u7edc\u6392\u67e5\u5176\u5b9e\u662f\u4e00\u95e8\u975e\u5e38\u4e25\u8c28\u7684\u56e0\u679c\u79d1\u5b66\u3002\u4e0b\u6b21\u518d\u9047\u5230\u8fde\u63a5\u5931\u8d25\uff0c\u5148\u638f\u51fa\u8fd9\u7bc7\u6392\u67e5\u624b\u518c\uff0c\u770b\u770b\u5230\u5e95\u662f\u5361\u5728\u4e86\u54ea\u4e00\u5173\uff0c\u800c\u4e0d\u662f\u4e00\u4e0a\u6765\u5c31\u76f2\u76ee\u8d28\u95ee\u201c\u4e3a\u4ec0\u4e48\u522b\u4eba\u7684\u80fd\u7528\u6211\u7684\u4e0d\u884c\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u6587\u6807\u7b7e\uff1a<a href=\"https:\/\/blog.hyun.cc\/tag\/fang-huo-qiang\/\">\u9632\u706b\u5899<\/a>,\u00a0<a href=\"https:\/\/blog.hyun.cc\/tag\/fang-huo-zhang-cheng\/\">\u9632\u706b\u957f\u57ce<\/a>,\u00a0<a href=\"https:\/\/blog.hyun.cc\/tag\/gfw\/\">GFW<\/a>,\u00a0<a href=\"https:\/\/blog.hyun.cc\/tag\/zhong-guo-guo-jia-fang-huo-qiang\/\">\u4e2d\u56fd\u56fd\u5bb6\u9632\u706b\u5899<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u8f7d\u58f0\u660e\uff1a\u672c\u6587\u8f6c\u8f7d\u81f3\u7384\u5916\u4e4b\u97f3\uff0c\u539f\u6587\u94fe\u63a5\u4e00\u6587\u770b\u61c2\u5e38\u89c1\u9632\u706b\u5899\u963b\u65ad\u6280\u672f\u4e0e DNS \u6c61\u67d3 | \u7384\u5916\u4e4b\u97f3\uff0c\u4f5c\u8005\uff1a\u8eab\u4e16\uff0c\u539f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[7,8,5,6],"class_list":["post-18","post","type-post","status-publish","format-standard","hentry","category-26-7-20","tag-gfw","tag-8","tag-5","tag-6"],"_links":{"self":[{"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/posts\/18","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/comments?post=18"}],"version-history":[{"count":1,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions"}],"predecessor-version":[{"id":23,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions\/23"}],"wp:attachment":[{"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/media?parent=18"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/categories?post=18"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.1988idc.cn\/index.php\/wp-json\/wp\/v2\/tags?post=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}