{"id":68172,"date":"2026-01-09T08:00:22","date_gmt":"2026-01-09T00:00:22","guid":{"rendered":"https:\/\/www.dataplugs.com\/?p=68172"},"modified":"2026-01-08T10:14:50","modified_gmt":"2026-01-08T02:14:50","slug":"implementing-sni-based-ssl-offloading-for-multi-domain-hosting","status":"publish","type":"post","link":"https:\/\/www.dataplugs.com\/sc\/implementing-sni-based-ssl-offloading-for-multi-domain-hosting\/","title":{"rendered":"\u5b9e\u65bd\u57fa\u4e8e SNI \u7684 SSL Offloading \u4ee5\u652f\u6301\u591a\u57df\u540d\u6258\u7ba1\u67b6\u6784"},"content":{"rendered":"<p>\u5f53\u5927\u91cf HTTPS \u57df\u540d\u96c6\u4e2d\u90e8\u7f72\u5728\u540c\u4e00\u5957\u670d\u52a1\u5668\u6216\u4e91\u7aef\u67b6\u6784\u4e2d\u65f6\uff0cSSL \u4e0d\u518d\u53ea\u662f\u540e\u53f0\u914d\u7f6e\uff0c\u800c\u662f\u76f4\u63a5\u5f71\u54cd\u6574\u4f53\u7cfb\u7edf\u8fd0\u884c\u65b9\u5f0f\u3002TLS \u63e1\u624b\u5f00\u59cb\u5927\u91cf\u6d88\u8017 CPU \u8d44\u6e90\uff0c\u8bc1\u4e66\u66f4\u65b0\u5206\u6563\u5728\u4e0d\u540c\u73af\u5883\u4e2d\uff0cIP \u5730\u5740\u6570\u91cf\u7684\u9650\u5236\u4e5f\u5728\u4e0d\u77e5\u4e0d\u89c9\u4e2d\u963b\u788d\u6269\u5c55\u3002\u5728\u591a\u57df\u540d\u6258\u7ba1\u73af\u5883\u4e0b\uff0c\u8fd9\u4e9b\u95ee\u9898\u901a\u5e38\u5728\u7cfb\u7edf\u771f\u6b63\u51fa\u73b0\u6545\u969c\u4e4b\u524d\u5c31\u5df2\u7ecf\u9010\u6b65\u7d2f\u79ef\u3002\u57fa\u4e8e SNI \u7684 SSL offloading \u6b63\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u7c7b\u7ed3\u6784\u6027\u6311\u6218\u800c\u6210\u4e3a\u73b0\u4ee3\u4e3b\u6d41\u67b6\u6784\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ece\u5b9e\u9645\u90e8\u7f72\u89d2\u5ea6\u6df1\u5165\u89e3\u6790 Server Name Indication SSL offloading \u7684\u5de5\u4f5c\u673a\u5236\uff0c\u8bf4\u660e\u5176\u5728 multi domain SSL offloading \u4e2d\u7684\u91cd\u8981\u6027\uff0c\u5e76\u63a2\u8ba8\u5982\u4f55\u6784\u5efa\u4e00\u5957\u53ef\u968f\u7740\u6d41\u91cf\u3001\u57df\u540d\u6570\u91cf\u53ca\u5b89\u5168\u8981\u6c42\u589e\u957f\u800c\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u7684 SNI SSL \u914d\u7f6e\u65b9\u6848\u3002<\/p>\n<h2><strong>\u4e3a\u4ec0\u4e48\u591a\u57df\u540d\u6258\u7ba1\u5fc5\u987b\u91cd\u65b0\u601d\u8003 SSL \u67b6\u6784\u8bbe\u8ba1<\/strong><\/h2>\n<p>\u5982\u4eca\u7684\u591a\u57df\u540d\u6258\u7ba1\u65e9\u5df2\u4e0d\u5c40\u9650\u4e8e\u4f20\u7edf\u7684\u5171\u4eab\u4e3b\u673a\u6a21\u5f0f\uff0c\u800c\u662f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u591a\u79cd\u73b0\u4ee3\u5316\u573a\u666f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e3a\u591a\u4e2a\u5ba2\u6237\u57df\u540d\u63d0\u4f9b\u670d\u52a1\u7684 SaaS \u5e73\u53f0<\/li>\n<li>\u4ee3\u7406\u5546\u4e0e\u7f51\u9875\u5f00\u53d1\u516c\u53f8\u4f7f\u7528\u7684\u8f6c\u552e\u6258\u7ba1\u73af\u5883<\/li>\n<li>\u540c\u65f6\u8fd0\u884c\u6d4b\u8bd5\u4e0e\u751f\u4ea7\u73af\u5883\u7684 VPS \u4e0e\u4e91\u670d\u52a1\u5668<\/li>\n<li>\u8de8\u533a\u57df\u6216\u591a\u7ad9\u70b9\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\u67b6\u6784<\/li>\n<\/ul>\n<p>\u867d\u7136\u6bcf\u4e2a\u57df\u540d\u90fd\u9700\u8981\u72ec\u7acb\u7684 HTTPS \u52a0\u5bc6\u4e0e\u4fe1\u4efb\u673a\u5236\uff0c\u4f46\u65e9\u671f SSL \u67b6\u6784\u9ed8\u8ba4&ldquo;\u4e00\u5f20\u8bc1\u4e66\u5bf9\u5e94\u4e00\u4e2a IP \u5730\u5740&rdquo;\uff0c\u8fd9\u4e00\u524d\u63d0\u5728\u5f53\u4eca\u73af\u5883\u4e2d\u5df2\u660e\u663e\u4e0d\u518d\u9002\u7528\u3002<\/p>\n<p>\u4f20\u7edf SSL \u90e8\u7f72\u65b9\u5f0f\u5e38\u89c1\u7684\u9650\u5236\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u56e0\u9700\u8981\u72ec\u7acb IP \u5bfc\u81f4 IPv4 \u8d44\u6e90\u5feb\u901f\u6d88\u8017<\/li>\n<li>IP \u5730\u5740\u53ca\u7f51\u7edc\u7ba1\u7406\u6210\u672c\u6301\u7eed\u4e0a\u5347<\/li>\n<li>DNS \u4e0e\u8bc1\u4e66\u66f4\u65b0\u9ad8\u5ea6\u7ed1\u5b9a\uff0c\u53d8\u66f4\u98ce\u9669\u9ad8<\/li>\n<li>\u65b0\u589e\u57df\u540d\u65f6\u9700\u8981\u8c03\u6574\u7f51\u7edc\u914d\u7f6e\uff0c\u6269\u5c55\u6548\u7387\u4f4e<\/li>\n<\/ul>\n<p>\u901a\u8fc7 SSL offloading \u7684\u591a\u57df\u540d\u6258\u7ba1\u67b6\u6784\uff0c\u53ef\u4ee5\u5c06\u52a0\u5bc6\u5904\u7406\u4e0e\u8bc1\u4e66\u9009\u62e9\u4ece IP \u5730\u5740\u4e2d\u89e3\u8026\uff0c\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u3002<\/p>\n<h2><strong>Server Name Indication \u5728 TLS \u63e1\u624b\u8fc7\u7a0b\u4e2d\u7684\u4f5c\u7528<\/strong><\/h2>\n<p>Server Name Indication \u662f TLS \u534f\u8bae\u4e2d\u7684\u4e00\u9879\u6269\u5c55\u529f\u80fd\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u52a0\u5bc6\u901a\u9053\u5efa\u7acb\u4e4b\u524d\uff0c\u4e8e\u63e1\u624b\u9636\u6bb5\u660e\u786e\u544a\u77e5\u670d\u52a1\u5668\u6240\u8bf7\u6c42\u7684\u57df\u540d\u3002<\/p>\n<p>\u542f\u7528 SNI \u540e\uff0c\u5b9e\u9645\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6d4f\u89c8\u5668\u5728 TLS \u63e1\u624b\u65f6\u53d1\u9001\u76ee\u6807\u57df\u540d<\/li>\n<li>\u670d\u52a1\u5668\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u6839\u636e\u57df\u540d\u9009\u62e9\u5bf9\u5e94\u7684 SSL \u8bc1\u4e66<\/li>\n<li>\u591a\u5f20 SSL \u8bc1\u4e66\u53ef\u5171\u7528\u540c\u4e00\u4e2a IP \u5730\u5740<\/li>\n<li>\u5404\u4e2a\u57df\u540d\u5728\u52a0\u5bc6\u5c42\u9762\u4fdd\u6301\u5f7c\u6b64\u72ec\u7acb<\/li>\n<\/ul>\n<p>\u5728\u672a\u542f\u7528 SNI \u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u591a\u4e2a HTTPS \u57df\u540d\u5171\u4eab\u540c\u4e00 IP \u65f6\uff0c\u670d\u52a1\u5668\u65e0\u6cd5\u5224\u65ad\u5e94\u8fd4\u56de\u54ea\u4e00\u5f20\u8bc1\u4e66\uff0c\u5bb9\u6613\u5bfc\u81f4\u8bc1\u4e66\u9519\u8bef\u3002\u5f15\u5165 SNI \u540e\uff0c\u8bc1\u4e66\u9009\u62e9\u53ef\u4ee5\u81ea\u52a8\u5b8c\u6210\uff0c\u5e76\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u80fd\u529b\u3002<\/p>\n<p>\u76ee\u524d\u8be5\u673a\u5236\u5df2\u6210\u4e3a\u4e3b\u6d41\u6d4f\u89c8\u5668\u3001\u64cd\u4f5c\u7cfb\u7edf\u53ca\u4f01\u4e1a\u7ea7\u7f51\u7edc\u8bbe\u5907\u7684\u6807\u51c6\u529f\u80fd\u3002<\/p>\n<h2><strong>SSL Offloading \u4e3a SNI \u67b6\u6784\u5e26\u6765\u7684\u5b9e\u9645\u4ef7\u503c<\/strong><\/h2>\n<p>SNI \u89e3\u51b3\u7684\u662f\u8bc1\u4e66\u8bc6\u522b\u95ee\u9898\uff0c\u800c SSL offloading \u8fdb\u4e00\u6b65\u89e3\u51b3\u6027\u80fd\u4e0e\u8fd0\u7ef4\u5c42\u9762\u7684\u6311\u6218\u3002<\/p>\n<p>\u5728 SSL offloading \u67b6\u6784\u4e2d\uff1a<\/p>\n<ul>\n<li>TLS \u7ec8\u6b62\u53d1\u751f\u5728\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u53cd\u5411\u4ee3\u7406\u6216\u8fb9\u7f18\u5c42<\/li>\n<li>\u540e\u7aef\u5e94\u7528\u670d\u52a1\u5668\u4ec5\u5904\u7406\u5df2\u89e3\u5bc6\u7684 HTTP \u6d41\u91cf<\/li>\n<li>TLS \u7248\u672c\u4e0e\u52a0\u5bc6\u7b56\u7565\u53ef\u96c6\u4e2d\u7ba1\u7406<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u67b6\u6784\u5728\u5b9e\u9645\u8fd0\u884c\u4e2d\u5e26\u6765\u591a\u9879\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li>\u660e\u663e\u964d\u4f4e\u5e94\u7528\u670d\u52a1\u5668\u7684 CPU \u4e0e\u52a0\u5bc6\u8d1f\u8f7d<\/li>\n<li>\u5728\u9ad8\u5e76\u53d1\u8bbf\u95ee\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u54cd\u5e94\u65f6\u95f4<\/li>\n<li>\u96c6\u4e2d\u7ba1\u7406 TLS \u7248\u672c\u3001\u52a0\u5bc6\u5957\u4ef6\u4e0e\u5b89\u5168\u7b56\u7565<\/li>\n<li>\u6e05\u6670\u5206\u79bb\u5b89\u5168\u5c42\u4e0e\u5e94\u7528\u5c42\u903b\u8f91\uff0c\u964d\u4f4e\u7cfb\u7edf\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u7ed3\u5408 SNI \u7684 SSL offloading \u5df2\u6210\u4e3a\u591a HTTPS \u57df\u540d\u6258\u7ba1\u73af\u5883\u4e2d\u7684\u6807\u51c6\u90e8\u7f72\u65b9\u5f0f\u3002<\/p>\n<h2><strong>\u591a\u57df\u540d SSL Offloading \u573a\u666f\u4e0b\u7684\u8bc1\u4e66\u7ba1\u7406\u7b56\u7565<\/strong><\/h2>\n<p>\u5728 HTTPS \u67b6\u6784\u4e2d\uff0c\u8bc1\u4e66\u751f\u547d\u5468\u671f\u7ba1\u7406\u4e00\u76f4\u662f\u6700\u5bb9\u6613\u5f15\u53d1\u8fd0\u7ef4\u98ce\u9669\u7684\u73af\u8282\u4e4b\u4e00\u3002\u8bc1\u4e66\u8fc7\u671f\u3001\u4e2d\u95f4\u8bc1\u4e66\u7f3a\u5931\u6216\u914d\u7f6e\u9519\u8bef\uff0c\u5f80\u5f80\u4f1a\u76f4\u63a5\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\u3002<\/p>\n<p>\u57fa\u4e8e SNI \u7684\u67b6\u6784\u901a\u5e38\u91c7\u7528&ldquo;\u6bcf\u4e2a\u57df\u540d\u4e00\u5f20\u8bc1\u4e66&rdquo;\u7684\u65b9\u5f0f\uff0c\u800c\u4e0d\u662f\u5c06\u591a\u4e2a\u57df\u540d\u7ed1\u5b9a\u5728\u540c\u4e00\u5f20 SAN \u8bc1\u4e66\u4e2d\uff0c\u5176\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5404\u57df\u540d\u62e5\u6709\u72ec\u7acb\u7684\u66f4\u65b0\u4e0e\u5230\u671f\u5468\u671f<\/li>\n<li>\u5355\u4e00\u8bc1\u4e66\u5931\u6548\u65f6\u5f71\u54cd\u8303\u56f4\u6709\u9650<\/li>\n<li>\u66f4\u9002\u5408\u914d\u5408 Let&rsquo;s Encrypt \u7b49 ACME \u81ea\u52a8\u5316\u5de5\u5177<\/li>\n<li>\u65b0\u589e\u6216\u79fb\u9664\u57df\u540d\u65f6\u4e0d\u5f71\u54cd\u5176\u4ed6\u7ad9\u70b9<\/li>\n<\/ul>\n<p>\u867d\u7136 SAN \u8bc1\u4e66\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u4ecd\u7136\u9002\u7528\uff0c\u4f46\u5728\u57df\u540d\u53d8\u52a8\u9891\u7e41\u7684\u6258\u7ba1\u73af\u5883\u4e2d\uff0c\u57fa\u4e8e SNI \u7684 multi domain SSL offloading \u5728\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u65b9\u9762\u66f4\u5177\u4f18\u52bf\u3002<\/p>\n<h2><strong>SNI SSL \u914d\u7f6e\u5728\u5b89\u5168\u5c42\u9762\u7684\u7279\u6027<\/strong><\/h2>\n<p>\u4ece\u5b89\u5168\u89d2\u5ea6\u6765\u770b\uff0cSNI 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\u8fde\u63a5\u72b6\u6001\u3002<\/p>\n<h2><strong>\u57fa\u7840\u67b6\u6784\u7a33\u5b9a\u6027\u5bf9 SSL Offloading \u7684\u5f71\u54cd<\/strong><\/h2>\n<p>TLS \u63e1\u624b\u5bf9\u7cfb\u7edf\u8d44\u6e90\u548c\u7f51\u7edc\u8d28\u91cf\u6781\u4e3a\u654f\u611f\u3002CPU \u4e89\u7528\u3001\u7f51\u7edc\u5ef6\u8fdf\u3001\u6570\u636e\u5305\u4e22\u5931\u6216 IO \u4e0d\u7a33\u5b9a\uff0c\u90fd\u4f1a\u62c9\u957f\u63e1\u624b\u65f6\u95f4\u5e76\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>\u7a33\u5b9a\u7684 SSL offloading \u67b6\u6784\u901a\u5e38\u9700\u8981\u5177\u5907\uff1a<\/p>\n<ul>\n<li>\u53ef\u9884\u6d4b\u4e14\u4e0d\u53d7\u5e72\u6270\u7684 CPU \u4e0e\u5185\u5b58\u8d44\u6e90<\/li>\n<li>\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u541e\u5410\u91cf\u7684\u7f51\u7edc\u8fde\u63a5<\/li>\n<li>\u7a33\u5b9a\u7684\u8def\u7531\u8d28\u91cf\u4e0e\u8f83\u4f4e\u7684\u6570\u636e\u5305\u4e22\u5931\u7387<\/li>\n<li>\u5bf9\u53cd\u5411\u4ee3\u7406\u4e0e TLS 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