{"id":5891,"date":"2022-11-20T17:47:36","date_gmt":"2022-11-20T09:47:36","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=5891"},"modified":"2022-12-23T13:23:44","modified_gmt":"2022-12-23T05:23:44","slug":"web-%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%ef%bc%9atls","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=5891","title":{"rendered":"Web \u6027\u80fd\u4f18\u5316\uff0cPart 2\uff1aTLS"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2022\/11\/omar-albeik-I6gWLztKrYc-unsplash.jpg\" alt=\"\" class=\"wp-image-5892\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.chenqing.work\/?p=5657\" data-type=\"URL\" data-id=\"https:\/\/www.chenqing.work\/?p=5657\">Web \u6027\u80fd\u4f18\u5316\uff0cPart 1\uff1aTCP<\/a><\/li>\n\n\n\n<li>\ud83c\udfaf <strong>Web \u6027\u80fd\u4f18\u5316\uff0cPart 2\uff1aTLS<\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/www.chenqing.work\/?p=5397\" data-type=\"URL\" data-id=\"https:\/\/www.chenqing.work\/?p=5397\">Web \u6027\u80fd\u4f18\u5316\uff0cPart 3\uff1aHTTP<\/a><\/li>\n<\/ul>\n\n\n\n<p>&#8220;do it, do it work, do it better &#8230; and secure \u2620\ufe0f&#8221;<\/p>\n\n\n\n<p>\u968f\u7740\u8ffd\u9010\u5229\u76ca\u800c\u6765\u7684\u6076\u610f\u53c2\u4e0e\u8005\u8d8a\u6765\u8d8a\u591a\uff0c\u5f53\u524d\u7684 Web \u5e94\u7528\uff0c\u5df2\u7ecf\u4ece\u91ce\u86ee\u751f\u957f\u8f6c\u800c\u8d8a\u6765\u8d8a\u591a\u5730\u5173\u6ce8\u5b89\u5168 \u2014\u2014 \u901a\u4fe1\u5b89\u5168\u3001\u6570\u636e\u5b89\u5168\u3001\u7528\u6237\u5b89\u5168\u3001\u4f01\u4e1a\u5b89\u5168\uff0c\u751a\u81f3\u56fd\u5bb6\u5b89\u5168\u3002\u4f5c\u4e3a\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u6570\u636e\u7684\u5e94\u7528\uff0c\u6700\u7b80\u5355\u7684\u83b7\u53d6\u5b89\u5168\u7684\u65b9\u5f0f\u662f\u91c7\u7528 TLS\u3002<\/p>\n\n\n\n<p>TLS\uff08Transport Layer Security\uff09\uff0c\u5373\u4f20\u8f93\u5c42\u5b89\u5168\uff0cTLS \u76f4\u63a5\u6784\u5efa\u5728\u4f20\u8f93\u5c42\u4e4b\u4e0a\uff0c\u4e00\u822c\u57fa\u4e8e TCP\uff0c\u4e5f\u53ef\u4ee5\u57fa\u4e8e UDP\uff08\u5982 DTLS\uff09\u3002TLS \u8d1f\u8d23\u5c06\u5f85\u4f20\u8f93\u7684\u6570\u636e\u52a0\u5bc6\uff0c\u52a0\u5bc6\u540e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4efb\u4f55\u4e2d\u95f4\u65b9\u90fd\u518d\u770b\u4e0d\u5230\u5177\u4f53\u5185\u5bb9\uff0c\u4fdd\u969c\u4e86\u5b89\u5168\u6027\u3002\u5173\u4e8e TLS \u7684\u66f4\u591a\u5185\u5bb9\u53ef\u53c2\u89c1\u53e6\u4e00\u7bc7\u535a\u6587 <a href=\"https:\/\/www.chenqing.work\/?p=2911\" data-type=\"URL\" data-id=\"https:\/\/www.chenqing.work\/?p=2911\"><strong>\u7b80\u5355\u89e3\u91caTLS<\/strong><\/a>\uff0c\u672c\u7bc7\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u7684\u5173\u6ce8\u70b9\u91cd\u65b0\u96c6\u4e2d\u5230\u6027\u80fd\u4e0a\uff0c\u4efb\u4f55\u7684\u5f15\u5165\u5fc5\u7136\u5bfc\u81f4\u989d\u5916\u7684\u5f00\u9500\uff0c\u5bf9\u4e8e Web \u5e94\u7528\u6765\u8bf4\uff0c\u6700\u8981\u547d\u7684\u5f00\u9500\u5c31\u662f\u5ef6\u8fdf\u3002\u90a3\u4e48\u53ef\u4ee5\u4ece\u54ea\u4e9b\u65b9\u9762\u7740\u624b\u4f18\u5316\u5ef6\u8fdf\uff1f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f1a\u8bdd\u590d\u7528<\/h2>\n\n\n\n<p>\u5728\u4e0a\u4e00\u7bc7\u5173\u4e8e TCP \u7684\u8ba8\u8bba\u4e2d\uff0c\u6211\u4eec\u77e5\u9053\u6bcf\u6b21 tcp \u8fde\u63a5\u7684\u5efa\u7acb\u90fd\u9700\u8981\u7ecf\u8fc7\u4e09\u6b21\u63e1\u624b\uff0c\u4ea7\u751f\u81f3\u5c11\u4e00\u4e2a RTT\uff08Round-Trip Time\uff09 \u7684\u5ef6\u8fdf\uff0c\u73b0\u5728\u5f15\u5165 tls\uff0c\u60c5\u51b5\u53c8\u5982\u4f55\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"598\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2022\/11\/image-4.png\" alt=\"\" class=\"wp-image-5912\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5bf9\u4e8e\u5efa\u7acb\u5728 tcp \u4e4b\u4e0a\u7684 tls\uff0c\u9664\u4e86\u56e0\u4e3a tcp \u4e09\u6b21\u63e1\u624b\u5f15\u5165\u7684\u4e00\u4e2a RTT \u5ef6\u8fdf\u5916\uff0c\u6839\u636e tls \u534f\u8bae\u8bbe\u8ba1\uff0cTLS \u4f1a\u8bdd\u7684\u4e00\u6b21\u5b8c\u6574\u63e1\u624b\u8fd8\u4f1a\u518d\u5f15\u5165 2 \u4e2a RTT \u7684\u5ef6\u8fdf\uff0c\u6240\u4ee5\u4e00\u4e2a https \u8fde\u63a5\u7684\u521d\u6b21\u5efa\u7acb\u8fc7\u7a0b\u4f1a\u5f15\u5165 3 \u4e2a RTT \u5ef6\u8fdf\u3002<\/p>\n\n\n\n<p>tcp \u901a\u8fc7\u8fde\u63a5\u590d\u7528\u5b9e\u73b0\u5728\u9700\u8981\u7684\u65f6\u5019\u89c4\u907f\u63e1\u624b\u5ef6\u8fdf\uff0c\u7c7b\u4f3c\u5730\uff0ctls \u4e5f\u6709\u4f1a\u8bdd\u590d\u7528\u673a\u5236\u2014\u2014\u79f0\u4e3a<strong>\u7b80\u77ed\u63e1\u624b<\/strong>\uff0c\u53ef\u5c06 2 \u6b21 RTT \u5ef6\u8fdf\u51cf\u5c11\u5230 1 \u6b21\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u5982\u4f55\u505a\u5230\u7684\u5462\uff1f\u5728\u5efa\u7acb\u4f1a\u8bdd\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u521b\u5efa\u4e00\u4e2a 32 byte \u7684\u4f1a\u8bdd id \u2014\u2014 \u4f1a\u8bdd id \u53ef\u4ee5\u5173\u8054\u5230\u8be5\u6b21\u4f1a\u8bdd\u534f\u5546\u51fa\u7684\u4e00\u7cfb\u5217\u52a0\u5bc6\u53c2\u6570\uff0c\u7136\u540e\u901a\u8fc7 ServerHello \u6d88\u606f\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002\u5728\u4e0b\u4e00\u6b21\u901a\u4fe1\u65f6\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u53d1\u9001\u7684 ClientHello \u6d88\u606f\u4e2d\u5305\u542b\u4e0a\u4e00\u6b21\u7684\u4f1a\u8bdd id\uff0c\u5982\u679c\u670d\u52a1\u5668\u8ba4\u53ef\uff0c\u5219\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u57fa\u4e8e\u4e0a\u4e00\u6b21\u4f1a\u8bdd\u7684\u4f1a\u8bdd\u53c2\u6570\u5f00\u59cb\u901a\u4fe1\uff0c\u4ece\u800c\u7701\u53bb 1 \u6b21 RTT\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"533\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2022\/11\/image-5.png\" alt=\"\" class=\"wp-image-5922\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5728\u9700\u8981\u540c\u65f6\u53d1\u8d77\u591a\u4e2a https \u8fde\u63a5\u65f6\uff0c\u53ef\u4ee5\u91cd\u7528\u7b2c\u4e00\u4e2a tls \u63e1\u624b\u534f\u5546\u51fa\u6765\u7684\u4f1a\u8bdd\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u670d\u52a1\u5668\u7aef\u53ef\u4ee5\u5c06 tls \u4f1a\u8bdd\u7684\u6709\u6548\u65f6\u95f4\u8bbe\u7f6e\u4e3a 1 \u5929\uff0c\u5bf9\u4e8e\u9ad8\u5e76\u53d1\u573a\u666f\uff0c\u53ef\u80fd\u5bfc\u81f4\u4f1a\u8bdd\u7f13\u5b58\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u5fc5\u987b\u8981\u8bbe\u8ba1\u597d\u76f8\u5e94\u7684\u7f13\u5b58\u6dd8\u6c70\u673a\u5236\uff0c\u6216\u8005\u91c7\u7528<strong>\u4f1a\u8bdd\u8bb0\u5f55\u5355\u673a\u5236<\/strong> \u2014\u2014 \u670d\u52a1\u7aef\u4f7f\u7528\u5bc6\u94a5\u5c06\u4f1a\u8bdd\u76f8\u5173\u7684\u53c2\u6570\u52a0\u5bc6\u540e\u53d1\u7ed9\u5ba2\u6237\u7aef\uff0c\u7531\u5ba2\u6237\u7aef\u4fdd\u5b58\uff0c\u540e\u7eed\u9700\u8981\u65f6\u5ba2\u6237\u7aef\u5c06\u52a0\u5bc6\u4fe1\u606f\u53d1\u56de\u670d\u52a1\u7aef\uff0c\u670d\u52a1\u7aef\u89e3\u5bc6\u540e\u4f7f\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TLS \u8bb0\u5f55<\/h2>\n\n\n\n<p>TLS \u4f1a\u5c06\u6d88\u606f\u62c6\u5206\u4e3a\u82e5\u5e72\u6761 TLS \u8bb0\u5f55\uff0c\u6bcf\u6761\u8bb0\u5f55\u4e0a\u9650\u4e3a 16 KB\u3002TLS \u8bb0\u5f55\u592a\u5c0f\u7684\u8bdd\uff0c\u5728 tcp \u5206\u7ec4\u4e2d\u5360\u6bd4\u592a\u5c0f\uff0c\u6d6a\u8d39 tcp \u5206\u7ec4\uff1bTLS \u8bb0\u5f55\u592a\u5927\u7684\u8bdd\uff0c\u4f1a\u5206\u62c6\u4e3a\u82e5\u5e72 tcp \u5206\u7ec4\uff0c\u6b64\u65f6\u9700\u8981\u7b49\u5f85\u6240\u6709\u5206\u7ec4\u5230\u8fbe\uff0c\u624d\u80fd\u89e3\u5bc6\u51fa\u6570\u636e\uff0c\u5f15\u5165\u989d\u5916\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"174\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2022\/11\/image-7.png\" alt=\"\" class=\"wp-image-6010\"\/><figcaption class=\"wp-element-caption\"><sup>From <a href=\"https:\/\/www.igvita.com\/2013\/10\/24\/optimizing-tls-record-size-and-buffering-latency\/\" data-type=\"URL\" data-id=\"https:\/\/www.igvita.com\/2013\/10\/24\/optimizing-tls-record-size-and-buffering-latency\/\">optimizing-tls-record-size-and-buffering-latency<\/a><\/sup><\/figcaption><\/figure>\n\n\n\n<p>\u6240\u4ee5\u6700\u597d\u5c06 TLS \u8bb0\u5f55\u5927\u5c0f\u914d\u7f6e\u4e3a\u6070\u597d\u653e\u5165\u4e00\u4e2a tcp \u5206\u7ec4\uff0c\u4e5f\u53ef\u4ee5\u914d\u7f6e\u4e3a\u6839\u636e\u76f8\u5173\u7a97\u53e3\u5927\u5c0f\u52a8\u6001\u8c03\u6574\u8bb0\u5f55\u5927\u5c0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bc1\u4e66\u9a8c\u8bc1<\/h2>\n\n\n\n<p>TLS \u7684\u5b89\u5168\u662f\u5efa\u7acb\u5728 PKI \u4f53\u7cfb\u4e4b\u4e0a\uff0c\u5728 PKI \u4f53\u7cfb\u4e2d\uff0c\u7531\u6743\u5a01\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u7ed9\u7f51\u7ad9\u9881\u53d1\u8eab\u4efd\u8bc1\u4e66\uff0c\u5728 tls \u63e1\u624b\u8fc7\u7a0b\u4e2d\uff0c\u670d\u52a1\u5668\u9700\u8981\u53d1\u9001\u8bc1\u4e66\u7ed9\u5ba2\u6237\u7aef\u4ee5\u9a8c\u660e\u6b63\u8eab\u3002\u4f46\u8bc1\u4e66\u8fd9\u73a9\u610f\uff0c\u6709\u751f\u5c31\u6709\u6b7b\uff0c\u6240\u4ee5\u5ba2\u6237\u7aef\u5728\u6536\u5230\u8bc1\u4e66\u540e\uff0c\u9664\u4e86\u67e5\u770b\u8bc1\u4e66\u91cc\u7b7e\u53d1\u65f6\u5199\u5165\u7684\u9759\u6001\u4fe1\u606f\u662f\u5426\u786e\u5b9e\u53ef\u4fe1\uff0c\u8fd8\u8981\u9a8c\u8bc1\u8bc1\u4e66\u5728\u5f53\u524d\u65f6\u523b\u662f\u5426\u8fd8\u6709\u6548\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\u54cd\u5e94\u4f18\u5148\u8fd8\u662f\u4e00\u81f4\u6027\u4f18\u5148\u7684\u95ee\u9898\uff0c\u65b9\u6848\u4e0d\u5916\u4e4e\u4e24\u79cd\uff1a\u7f13\u5b58 or \u5b9e\u65f6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7f13\u5b58\u65b9\u6848<\/strong>\uff1a\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u4f1a\u7ef4\u62a4\u4e00\u4e2a\u5df2\u64a4\u9500\u8bc1\u4e66\u5217\u8868\uff0c\u79f0\u4e3a CRL\uff08Certificate Revocation List\uff0c\u8bc1\u4e66\u64a4\u9500\u540d\u5355\uff09\uff0c\u670d\u52a1\u5668\u6216\u8005\u5ba2\u6237\u7aef\u53ef\u4ee5\u7f13\u5b58\u5230\u672c\u5730\u4f7f\u7528\u3002\u7f13\u5b58\u7684\u95ee\u9898\u5c31\u662f\uff0c\u6709\u53ef\u80fd\u4f60\u521a\u521a\u7f13\u5b58\u8fc7\u4e00\u6b21\uff0c\u5c31\u6709\u4e00\u4e2a\u8bc1\u4e66\u88ab\u64a4\u9500\u4e86\uff0c\u5bfc\u81f4\u7f13\u5b58\u4e0e\u5b9e\u9645\u72b6\u6001\u4e0d\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u65f6\u65b9\u6848<\/strong>\uff1a\u9274\u4e8e\u7f13\u5b58\u65b9\u6848\u7684\u95ee\u9898\uff0c\u63d0\u4f9b\u4e86\u4e92\u8865\u7684\u5b9e\u65f6\u67e5\u8be2\u65b9\u6848\uff0c\u79f0\u4e3a OCSP\uff08\u5728\u7ebf\u8bc1\u4e66\u72b6\u6001\u534f\u8bae\uff09\uff0cOCSP \u7684\u95ee\u9898\u5728\u4e8e\u53ef\u80fd<strong>\u4f1a\u963b\u585e tls \u534f\u5546\u8fc7\u7a0b<\/strong>\uff0c\u9700\u8981\u7b49\u5f85 OCSP \u9a8c\u8bc1\u5b8c\u6210\u624d\u80fd\u7ee7\u7eed\uff0c\u7279\u522b\u662f\u5185\u7f51\u73af\u5883\u4f7f\u7528 IE + \u81ea\u7b7e\u540d\u8bc1\u4e66\u5f00\u53d1\u65f6\u5bb9\u6613\u88ab\u5751\uff0c\u535a\u4e3b\u5c31\u88ab\u5751\u8fc7\u4e00\u6b21\u3002\u5982\u679c\u8bbf\u95ee\u4e0d\u4e86\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff0c\u4e14\u73af\u5883\u5141\u8bb8\uff0c\u53ef\u4ee5\u8003\u8651\u7981\u7528 OCSP\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"379\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2022\/11\/image-8.png\" alt=\"\" class=\"wp-image-6027\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u4e00\u822c\u7f51\u7ad9\u7684\u8bc1\u4e66\u4e0d\u4f1a\u76f4\u63a5\u4f7f\u7528\u6839\u8bc1\u4e66\u7b7e\u53d1\uff0c\u800c\u662f\u4f7f\u7528\uff08\u6839\u8bc1\u4e66\u7b7e\u53d1\u51fa\u6765\u7684\uff09\u4e2d\u95f4\u8bc1\u4e66\u7b7e\u53d1\uff0c\u800c\u6839\u8bc1\u4e66\u5bc6\u94a5\u5219\u88ab\u79bb\u7ebf\u5b58\u653e\u3002\u7531\u4e8e\u6d4f\u89c8\u5668\u9a8c\u8bc1\u8bc1\u4e66\u65f6\uff0c\u4f1a\u987a\u7740\u8bc1\u4e66\u94fe\u9a8c\u8bc1\u6bcf\u4e2a\u8282\u70b9\u7684\u8bc1\u4e66\uff0c\u6240\u4ee5\u8fd9\u91cc\u6709\u51e0\u4e2a\u53ef\u4ee5\u4f18\u5316\u7684\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u670d\u52a1\u7aef\u5728\u53d1\u9001\u65f6\u6700\u597d\u540c\u65f6\u628a\u4e2d\u95f4\u8bc1\u4e66\u4e5f\u4e00\u5e76\u9644\u4e0a<\/strong>\uff0c\u907f\u514d\u6d4f\u89c8\u5668\u518d\u5355\u72ec\u53d1\u8d77\u4e00\u6b21\u4e2d\u95f4\u8bc1\u4e66\u8bf7\u6c42\uff0c\u5f15\u5165\u989d\u5916\u7684\u5ef6\u8fdf\uff1b<\/li>\n\n\n\n<li><strong>\u53d1\u9001\u65f6\u65e0\u9700\u5305\u542b\u6839\u8bc1\u4e66<\/strong>\uff0c\u56e0\u4e3a\u5df2\u7ecf\u5b58\u5728\u5ba2\u6237\u7aef\u4e86\uff1b<\/li>\n\n\n\n<li><strong>\u7b7e\u53d1\u8bc1\u4e66\u5c42\u6b21\u4e0d\u8981\u8fc7\u591a<\/strong>\uff0c\u6700\u597d\u5c31\u4e00\u5c42\u4e2d\u95f4\u8bc1\u4e66\uff0c\u5426\u5219\u53d1\u9001\u8bc1\u4e66\u94fe\u65f6\uff0c\u6570\u636e\u592a\u591a\uff1b<\/li>\n\n\n\n<li><strong>\u975e\u5fc5\u8981\u7684\u8bc1\u4e66\u5c31\u4e0d\u8981\u53d1\u4e86<\/strong>\uff0c\u907f\u514d\u4f20\u8f93\u6570\u636e\u8fc7\u591a\uff0c\u5bfc\u81f4\u989d\u5916\u7684\u5206\u7247\uff0c\u5f15\u5165\u989d\u5916\u5ef6\u8fdf\uff1b<\/li>\n\n\n\n<li><strong>OCSP stapling<\/strong>\uff0c\u7531\u670d\u52a1\u7aef\u6765\u53d1\u8d77 OCSP \u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u54cd\u5e94\u653e\u5728\u7ed9\u5ba2\u6237\u7aef\u7684\u8bc1\u4e66\u94fe\u4e2d\uff0c\u9700\u8981\u6d4f\u89c8\u5668\u652f\u6301\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u692d\u5706\u66f2\u7ebf\u8bc1\u4e66\u94fe<\/strong>\uff0c\u6bd4 RSA \u8bc1\u4e66\u94fe\u5c0f\uff0c\u4f20\u8f93\u6570\u636e\u5c11\u4e00\u70b9\uff1b<\/li>\n\n\n\n<li><strong>\u540c\u4e00\u5f20\u8bc1\u4e66\u4e0d\u8981\u7ed1\u5b9a\u8fc7\u591a\u57df\u540d<\/strong>\uff0c\u4f20\u8f93\u6570\u636e\u5c11\u4e00\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5176\u4ed6<\/h2>\n\n\n\n<p><strong>ALPN<\/strong>\uff08Application Layer Protocol Negotiation\uff09<\/p>\n\n\n\n<p>\u5728 tls \u63e1\u624b\u8fc7\u7a0b\u4e2d\u5d4c\u5165 ALPN \u673a\u5236\uff0c\u534f\u5546\u4e0a\u5c42\u4f7f\u7528\u7684\u5e94\u7528\u534f\u8bae\uff0c\u4e0d\u7528\u7b49\u5f85 tls 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