{"id":33407,"date":"2023-04-24T00:14:24","date_gmt":"2023-01-02T00:13:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8nginx%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86%e5%8f%af%e4%bb%a5%e5%b0%86tls-server-name-indication-sni%e4%b8%8e%e4%b8%8d%e5%90%8c%e7%9a%84%e5%9f%9f%e5%90%8d%e8%b7%af\/"},"modified":"2024-04-30T00:58:57","modified_gmt":"2024-04-29T16:58:57","slug":"%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8nginx%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86%e5%8f%af%e4%bb%a5%e5%b0%86tls-server-name-indication-sni%e4%b8%8e%e4%b8%8d%e5%90%8c%e7%9a%84%e5%9f%9f%e5%90%8d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8nginx%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86%e5%8f%af%e4%bb%a5%e5%b0%86tls-server-name-indication-sni%e4%b8%8e%e4%b8%8d%e5%90%8c%e7%9a%84%e5%9f%9f%e5%90%8d%e8%b7%af\/","title":{"rendered":"\u5173\u4e8e\u4f7f\u7528NGINX\u53cd\u5411\u4ee3\u7406\u53ef\u4ee5\u5c06TLS Server Name Indication (SNI)\u4e0e\u4e0d\u540c\u7684\u57df\u540d\u8def\u7531\u5230\u540e\u7aef\u4e3b\u673a\u7684\u95ee\u9898"},"content":{"rendered":"

\u672c\u6587\u662fLabBase\u516c\u53f8\u300aLabBase\u79d1\u6280\u65e5\u53862022\u5e74\u5723\u8bde\u65e5\u5386\u300b\u7b2c22\u5929\u7684\u6587\u7ae0\u3002\u4f5c\u4e3aLabBase\u516c\u53f8\u7684\u4e00\u5458\uff0c\u8fd9\u662f\u6211\u9996\u6b21\u53d1\u5e03\u7684\u6587\u7ae0\u3002\u53e6\u5916\uff0c\u6628\u5929\u7684\u6587\u7ae0\u662f\u7531Guevara\u5148\u751f\u64b0\u5199\u7684\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n

\u4f5c\u4e3a\u4e00\u4e2a\u7814\u7a76\u4eba\u5458\uff0c\u6211\u4e0eLabBase\u7684\u7814\u7a76\u5de5\u7a0b\u5e08\u4eec\u4e00\u8d77\u8fdb\u884c\u5171\u540c\u7684\u7814\u7a76\u5f00\u53d1\u3002\u5728\u8fd9\u4e2a\u7814\u7a76\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6211\u5076\u7136\u53d1\u73b0\u4e86\u4e00\u4e2aNGINX\u7684\u95ee\u9898\uff0c\u8fd9\u4e2a\u95ee\u9898\u4e00\u76f4\u88ab\u8ba4\u4e3a\u662f\u7406\u6240\u5f53\u7136\u7684\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b9e\u65bd\u8d77\u6765\u5e76\u975e\u5982\u6b64\u3002\u6211\u5c06\u5411\u5927\u5bb6\u62a5\u544a\u8fd9\u4e2a\u4e8b\u4f8b\uff0c\u5e76\u4e14\u63d0\u9192\u5927\u5bb6\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5b89\u5168\u4e8b\u4ef6\uff0c\u5f53\u6211\u53d1\u73b0\u65f6\uff0c\u6211\u8bb0\u5f97\u6211\u611f\u5230\u4e86\u4e00\u9635\u51b7\u6c57\u3002<\/p>\n

\u6b64\u5916\uff0c\u6807\u9898\u4e2d\u53ea\u63d0\u5230\u4e86NGINX\uff0c\u4f46\u5728Caddy\u4e2d\u4e5f\u4f1a\u51fa\u73b0\u76f8\u540c\u7684\u95ee\u9898\u3002\u5728\u89e3\u91caNGINX\u7684\u60c5\u51b5\u4e4b\u540e\uff0c\u8fd8\u4f1a\u63d0\u53caCaddy\u3002<\/p>\n

\u9996\u5148<\/h2>\n

\u9996\u5148\uff0c\u6211\u5011\u5c07\u4ecb\u7d39TLS\u7684Server Name Indication (SNI)\u4ee5\u53ca\u4f7f\u7528NGINX\u53cd\u5411\u4ee3\u7406\u5be6\u73fe\u7684HTTPS\u591a\u57df\u540d\u4e3b\u6a5f\u8a17\u7ba1\u3002<\/p>\n

\u4f20\u8f93\u5c42\u5b89\u5168\u6027\uff08TLS\uff09\u670d\u52a1\u5668\u540d\u79f0\u6307\u793a\uff08SNI\uff09<\/h3>\n
\"clienthello.png\"<\/div>\n

\u6211\u5011\u5c07\u5728\u4e0a\u5716\u4e2d\u8a18\u9304TLS\u6703\u8a71\u5efa\u7acb\u7684\u6982\u8981\u5716\u3002\u5728TLS\u4e2d\uff0c\u5ba2\u6236\u7aef\u958b\u59cb\u5efa\u7acb\u6703\u8a71\u7684\u521d\u59cb\u6d88\u606fClientHello\u4e2d\uff0c\u4ee5\u660e\u6587\u5f62\u5f0f\u8a3b\u660e\u5e0c\u671b\u9023\u63a5\u7684\u57df\u540d\uff08server_name\uff09\uff0c\u4e26\u901a\u77e5\u670d\u52d9\u5668\u3002\u9019\u88ab\u7a31\u70ba\u670d\u52d9\u5668\u540d\u7a31\u6307\u793a\uff08SNI\uff09\uff0c\u662fTLS\u7684\u4e00\u500b\u64f4\u5c55\u3002\u5728TLS\u4e2d\uff0c\u70ba\u4e86\u5c07\u591a\u500b\u57df\u540d\u8655\u7406\u5728\u540c\u4e00\u500bIP\u5730\u5740\u548c\u4e3b\u6a5f\u4e0b\uff0c\u9019\u500b\u64f4\u5c55\u5be6\u969b\u4e0a\u662f\u5fc5\u9700\u7684\u3002\u6839\u64da\u9019\u500bSNI\uff0c\u670d\u52d9\u5668\u5c07\u56de\u61c9\u5ba2\u6236\u7aef\uff0c\u5305\u62ec\u76f8\u61c9\u7684\u8b49\u66f8\u3002\u7136\u5f8c\uff0c\u5b8c\u6210\u8b49\u66f8\u9a57\u8b49\u7b49\u64cd\u4f5c\uff0c\u5efa\u7acbTLS\u6703\u8a71\u3002<\/p>\n

\u901a\u8fc7NGINX\u4f7f\u7528HTTPS\u53cd\u5411\u4ee3\u7406\u8fdb\u884c\u591a\u57df\u540d\u6258\u7ba1<\/h3>\n
\"HTTPS<\/div>\n

\u5728\u6258\u7ba1\u591a\u4e2aHTTPS\u670d\u52a1\u7684\u53cd\u5411\u4ee3\u7406\u4e2d\uff0c\u9700\u8981\u901a\u8fc7TLS\u7ec8\u7ed3\u6765\u8fdb\u884c\u8fde\u63a5\u7ba1\u7406\uff0c\u8fd9\u662f\u901a\u8fc7SNI\u5b9e\u73b0\u7684\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c<\/p>\n

    \u6839\u636e\u6536\u5230\u7684ClientHello\u4e2d\u7684SNI\uff0c\u5207\u6362\u8bc1\u4e66\u5e76\u5efa\u7acbTLS\u4f1a\u8bdd\uff0c\u5c06HTTP\u6d88\u606f\u8f6c\u53d1\u5230\u9884\u5148\u8bbe\u7f6e\u7684\u6bcf\u4e2aserver_name\u5bf9\u5e94\u7684\u540e\u7aef\u670d\u52a1\u3002<\/ol>\n

    \u6211\u4eec\u5c06\u4e0d\u5f97\u4e0d\u8fd9\u6837\u505a\u3002<\/p>\n

    \u4f5c\u4e3a\u8fd9\u6837\u4e00\u79cd\u53cd\u5411\u4ee3\u7406\uff0cNGINX\u662f\u6700\u5e38\u7528\u7684\u8f6f\u4ef6\u4e4b\u4e00\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u914d\u7f6e\u6765\u8bbe\u7f6e\u4e0a\u56fe\u7684\u5de5\u4f5c\u914d\u7f6e\u3002<\/p>\n

    server<\/span> {\r\n  server_name<\/span> www<\/span>.example<\/span>.org<\/span>;\r\n  listen<\/span> 443<\/span> ssl<\/span> http2<\/span>;\r\n  listen<\/span> [::]:443<\/span> ssl<\/span> http2<\/span>;\r\n  # www.example.com \u306e\u8a3c\u660e\u66f8\u30fb\u79d8\u5bc6\u9375\r\n<\/span>  ssl_certificate<\/span> \/path<\/span>\/to<\/span>\/com<\/span>.cert<\/span>;\r\n  ssl_certificate_key<\/span> \/path<\/span>\/to<\/span>\/net<\/span>.key<\/span>;\r\n\r\n  # backend.example.com\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\r\n<\/span>  location<\/span> \/ {\r\n    proxy_pass<\/span> http<\/span>:\/\/backend<\/span>.example<\/span>.com<\/span>:80<\/span>;\r\n  }\r\n}\r\n\r\nserver<\/span> {\r\n  server_name<\/span> www<\/span>.example<\/span>.net<\/span>;\r\n  listen<\/span> 443<\/span> ssl<\/span> http2<\/span>;\r\n  listen<\/span> [::]:443<\/span> ssl<\/span> http2<\/span>;\r\n  # www.example.net \u306e\u8a3c\u660e\u66f8\u30fb\u79d8\u5bc6\u9375\r\n<\/span>  ssl_certificate<\/span> \/path<\/span>\/to<\/span>\/net<\/span>.cert<\/span>;\r\n  ssl_certificate_key<\/span> \/path<\/span>\/to<\/span>\/net<\/span>.key<\/span>;\r\n\r\n  # backend.example.net\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\r\n<\/span>  location<\/span> \/ {\r\n    proxy_pass<\/span> http<\/span>:\/\/backend<\/span>.example<\/span>.net<\/span>:8000<\/span>;\r\n  }\r\n}\r\n<\/code><\/pre>\n
    server\u6307\u4ee4\u76f8\u5f53\u4e8eApache\u4e2d\u7684VirtualHost\u3002NGINX\u5728\u63a5\u6536\u5230\u6765\u81ea\u5ba2\u6237\u7aef\u7684ClientHello\u540e\uff0c\u4f1a\u901a\u8fc7SNI\u901a\u77e5\u7684\u57df\u540d\u6765\u786e\u5b9a\u5177\u6709\u5339\u914d\u7684server_name\u7684server\u6307\u4ee4\u3002\u7136\u540e\uff0c\u5c06\u8be5server\u6307\u4ee4\u7684\u914d\u7f6e\u53cd\u6620\u5230TLS\u7684\u5efa\u7acb\u548c\u540e\u7aef\u670d\u52a1\u7684\u8def\u7531\u4e2d\uff0c\u4ee5\u4f9b\u5171\u540c\u4f7f\u7528\u3002<\/p>\n
    \u6211\u4e5f\u6709\u8fc7\u8ba4\u4e3a\u4f1a\u53bb\u505a\u67d0\u4e8b\u7684\u65f6\u5019\u2026<\/p>\n
    \u8fd9\u7bc7\u6587\u7ae0\u60f3\u8981\u8868\u8fbe\u7684\u610f\u601d\u662f\u4ec0\u4e48?<\/h2>\n
    \u5728NGINX\u53cd\u5411\u4ee3\u7406\u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u8003\u8651SNI\u548cHOST\u8bf7\u6c42\u5934\u7684\u4e00\u81f4\u6027\u3002<\/h3>\n
    NGINX\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\uff0c\u5728TLS\u7684\u5efa\u7acb\u548c\u8def\u7531\u5230\u540e\u7aef\u670d\u52a1\u65b9\u9762\uff0c\u5728server\u6307\u4ee4\u4e2d\u9ed8\u8ba4\u6ca1\u6709\u4e00\u81f4\u6027\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4e3a\u67d0\u4e2a\u57df\u540d\u5efa\u7acb\u4e86TLS\u4f1a\u8bdd\uff0c\u90a3\u4e48\u4e3a\u8be5\u57df\u540d\u8bbe\u5b9a\u7684\u539f\u672c\u8def\u7531\u76ee\u6807\u53ef\u80fd\u4f1a\u8def\u7531\u5230\u5b8c\u5168\u4e0d\u540c\u7684\u540e\u7aef\u670d\u52a1\u3002<\/p>\n
    \u5177\u4f53\u800c\u8a00\uff0c\u4ee5\u4e0b\u7684\u57df\u540d\u548cserver_name\u6761\u76ee\u5c06\u4e0eserver\u6307\u4ee4\u5339\u914d\uff0c\u5b83\u4eec\u5c06\u88ab\u72ec\u7acb\u5730\u5e94\u7528\u3002<\/p>\n
      \n
    • \n
        TLS\u306e\u69cb\u7bc9: TLS\u306eClientHello\u5185\u306eSNI<\/ul>\n<\/li>\n<\/ul>\n
         <\/p>\n
          \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0: TLS\u69cb\u7bc9\u5f8c\u306b\u6d41\u308c\u3066\u304f\u308bHTTP\u306eHOST\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u3042\u308b\u3044\u306f:authority\u64ec\u4f3c\u30d8\u30c3\u30c0 (\u4ee5\u4e0b\u3067\u306f\u307e\u3068\u3081\u3066HOST\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u3068\u3057\u3066\u7c21\u5358\u5316\u3057\u307e\u3059)<\/ul>\n
          \u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679cTLS SNI\u548cHOST\u8bf7\u6c42\u6807\u5934\u4e0d\u4e00\u81f4\uff0c\u90a3\u4e48\u53ef\u80fd\u4f1a\u5f15\u53d1\u610f\u5916\u4e8b\u4ef6\u3002<\/p>\n
          \u7136\u800c\uff0c\u53ea\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u52a0\u5165if\u8bed\u53e5\u8fd9\u6837\u4ee4\u4eba\u96be\u4ee5\u7f6e\u4fe1\u7684\u5e94\u5bf9\u63aa\u65bd\uff0c\u5c31\u4e0d\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u3002\u5173\u4e8e\u8fd9\u4e00\u70b9\uff0c\u6211\u5c06\u5728\u6700\u540e\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
          \u5728\u5b89\u5168\u65b9\u9762\u5b58\u5728\u7684\u62c5\u5fe7<\/h3>\n
          \u5373\u4f7f\u65e0\u6cd5\u4fdd\u6301SNI\u548cHOST\u8bf7\u6c42\u5934\u7684\u4e00\u81f4\u6027\uff0c\u8def\u7531\u4ecd\u7136\u662f\u53ef\u80fd\u7684\uff0c\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u5b58\u5728\u4ee5\u4e0b\u5b89\u5168\u4e0a\u7684\u987e\u8651\u3002<\/p>\n
          \u9996\u5148\uff0c\u901a\u8fc7\u53cd\u5411\u4ee3\u7406\u6765\u7ec8\u6b62\u4e24\u4e2a\u57df\u540d\u7684TLS\uff08HTTPS\uff09\u3002<\/p>\n
            \n
          • \n
              Url https:\/\/tadashii.example.com -> \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30db\u30b9\u30c8tadashii\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                Url https:\/\/akui.example.org -> \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30db\u30b9\u30c8akui\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/ul>\n
                \u5047\u8bbe\u8def\u7531\u8bbe\u7f6e\u662f\u4e3a\u4e86\u8fbe\u5230\u8fd9\u4e2a\u76ee\u7684\u3002<\/p>\n
                \u7136\u800c\uff0c\u5982\u679c\u4e0d\u8003\u8651\u672c\u6587\u4ecb\u7ecd\u7684NGINX\u7684\u884c\u4e3a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5728\u5bf9\u57df\u540dtadashii.example.com\u8fdb\u884cTLS\u8fde\u63a5\u4e4b\u540e\uff0c\u610f\u5916\u5730\u53ef\u4ee5\u8bbf\u95ee\u5230\u540e\u7aef\u4e3b\u673aakui\uff0c\u8fd9\u53d6\u51b3\u4e8e\u57df\u540dtadashii.example.com\u7684\u8bc1\u4e66\u7684\u53ef\u4fe1\u5ea6\u3002<\/p>\n
                \u6839\u636e\u5ba2\u6237\u7aef\u8f6f\u4ef6\uff08\u4f8b\u5982\u6d4f\u89c8\u5668\uff09\u7684\u5b9e\u73b0\u60c5\u51b5\uff0c\u53ef\u4ee5\u5728TLS\u901a\u4fe1\u4e2d\u4f2a\u88c5\u4e3a\u8bbf\u95ee\u6b63\u89c4\u4e3b\u673a\uff0c\u4f46\u5b9e\u9645\u4e0a\u5374\u53ef\u4ee5\u8bbf\u95ee\u4e0e\u6b63\u89c4\u4e3b\u673a\u4e0d\u540c\u7684\u540e\u7aef\u4e3b\u673a\u3002\u8fd9\u662f\u5728\u540c\u4e00\u53cd\u5411\u4ee3\u7406\u4e2d\u5904\u7406\u591a\u4e2a\u57df\u548c\u540e\u7aef\u4e3b\u673a\uff0c\u6bcf\u4e2a\u62e5\u6709\u4e0d\u540c\u6240\u6709\u4eba\u7684\u60c5\u51b5\u4e0b\uff0c\u7279\u522b\u9700\u8981\u8003\u8651\u7684\u4e8b\u9879\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u79d8\u5bc6\u4fe1\u606f\uff08\u5982Cookie\u7b49\uff09\u6cc4\u6f0f\u5230\u610f\u5916\u7684\u540e\u7aef\u4e3b\u673a\uff0c\u9020\u6210\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n
                \u8ba9\u6211\u4eec\u6765\u5b9e\u8bc1\u4e00\u4e0b<\/h2>\n
                \u73af\u5883\u914d\u7f6e<\/h3>\n
                \u4f7f\u7528Docker\u5feb\u901f\u542f\u52a8\u5b9e\u9a8c\u73af\u5883\u3002\u901a\u8fc7\u5728NGINX\u4e0a\u8bbe\u7f6e\u53cd\u5411\u4ee3\u7406\uff0c\u5c06\u4e24\u4e2a\u57df\u540d\u8def\u7531\u5230\u4e0d\u540c\u7684\u540e\u7aef\u670d\u52a1\uff08\u5bb9\u5668\uff09\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u5c1d\u8bd5\u4f7f\u7528\u666e\u901a\u7684Web\u670d\u52a1\u5668NGINX\u4f5c\u4e3a\u540e\u7aef\u670d\u52a1\u5668\uff0c\u4ee5\u53ca\u4f7f\u7528jwilder\/whoami\u8fd4\u56de\u5bb9\u5668ID\u3002<\/p>\n
                version<\/span>:<\/span> '<\/span>3.9'<\/span>\r\nservices<\/span>:<\/span>\r\n  nginx<\/span>:<\/span>\r\n    image<\/span>:<\/span> nginx:latest<\/span>\r\n    container_name<\/span>:<\/span> proxy-nginx<\/span>\r\n    ports<\/span>:<\/span>\r\n      -<\/span> 80:80<\/span>\r\n      -<\/span> 443:443<\/span>\r\n    restart<\/span>:<\/span> unless-stopped<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .\/nginx.conf:\/etc\/nginx\/conf.d\/default.conf<\/span>\r\n      -<\/span> .\/certs:\/etc\/nginx\/certs:ro<\/span>\r\n\r\n  # https:\/\/<Domain_A>\/\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5148\u30b5\u30fc\u30d3\u30b9<\/span>\r\n  backend-nginx<\/span>:<\/span>\r\n    image<\/span>:<\/span> nginx:latest<\/span>\r\n    container_name<\/span>:<\/span> backend-nginx<\/span>\r\n    restart<\/span>:<\/span> unless-stopped<\/span>\r\n\r\n  # https:\/\/<Domain_B>\/\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5148\u30b5\u30fc\u30d3\u30b9<\/span>\r\n  backend-whoami<\/span>:<\/span>\r\n    image<\/span>:<\/span> jwilder\/whoami:latest<\/span>\r\n    container_name<\/span>:<\/span> backend-whoami<\/span>\r\n    restart<\/span>:<\/span> unless-stopped<\/span>\r\n<\/code><\/pre>\n
                \u4ee5\u4e0b\u662f\u4f7f\u7528\u6700\u57fa\u672c\u7684NGINX\u53cd\u5411\u4ee3\u7406\u914d\u7f6e\uff08nginx.conf\uff09\u3002\u672c\u6b21\u914d\u7f6e\u662f\u4f7f\u7528Let’s Encrypt\u8bc1\u4e66\u83b7\u53d6\u7684\uff0c\u4f46\u4e5f\u53ef\u4ee5\u4f7f\u7528\u81ea\u7b7e\u540d\u8bc1\u4e66\u3002\u8bf7\u6ce8\u610f\uff0c\u9488\u5bf9\u4e24\u4e2a\u540e\u7aef\u670d\u52a1\uff0c\u6211\u4eec\u8bbe\u7f6e\u4e86\u5b8c\u5168\u4e0d\u540c\u7684\u57df\u540d\u548c\u8bc1\u4e66\u3002<\/p>\n
                # \u3053\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u306e\u306f<Domain A>\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306e\u307f\r\n<\/span>server<\/span> {\r\n  server_name<\/span> <Domain<\/span> A<\/span>>;\r\n  listen<\/span> 443<\/span> ssl<\/span> http2<\/span>;\r\n  listen<\/span> [::]:443<\/span> ssl<\/span> http2<\/span>;\r\n  # Domain A \u306e\u8a3c\u660e\u66f8\u30fb\u79d8\u5bc6\u9375\r\n<\/span>  ssl_certificate<\/span> \/etc<\/span>\/nginx<\/span>\/certs<\/span>\/<Domain<\/span> A<\/span>>.crt<\/span>;\r\n  ssl_certificate_key<\/span> \/etc<\/span>\/nginx<\/span>\/certs<\/span>\/<Domain<\/span> A<\/span>>.key<\/span>;\r\n\r\n  # \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5148\u306fbackend-nginx\u306e80\u30dd\u30fc\u30c8\u3002\r\n<\/span>  location<\/span> \/ {\r\n    proxy_pass<\/span> http<\/span>:\/\/backend<\/span>-nginx<\/span>:80<\/span>;\r\n  }\r\n}\r\n\r\nserver<\/span> {\r\n  # \u3053\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u3078\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u306e\u306f<Domain B>\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306e\u307f\r\n<\/span>  server_name<\/span> <Domain<\/span> B<\/span>>;\r\n  listen<\/span> 443<\/span> ssl<\/span> http2<\/span>;\r\n  listen<\/span> [::]:443<\/span> ssl<\/span> http2<\/span>;\r\n  # Domain B \u306e\u8a3c\u660e\u66f8\u30fb\u79d8\u5bc6\u9375\r\n<\/span>  ssl_certificate<\/span> \/etc<\/span>\/nginx<\/span>\/certs<\/span>\/<Domain<\/span> B<\/span>>.crt<\/span>;\r\n  ssl_certificate_key<\/span> \/etc<\/span>\/nginx<\/span>\/certs<\/span>\/<Domain<\/span> B<\/span>>.key<\/span>;\r\n\r\n  # \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5148\u306fbackend-whoami\u306e8000\u30dd\u30fc\u30c8\u3002\r\n<\/span>  location<\/span> \/ {\r\n    proxy_pass<\/span> http<\/span>:\/\/backend<\/span>-whoami<\/span>:8000<\/span>;\r\n  }\r\n}\r\n<\/code><\/pre>\n
                \u5982\u679c\u5199NGINX\u7684\u914d\u7f6e\u548c\u751f\u6210\/\u83b7\u53d6\u8bc1\u4e66\u592a\u7e41\u7410\u7684\u8bdd\uff0c\u53ef\u4ee5\u4f7f\u7528nginx-proxy\u6765\u914d\u7f6eNGINX\uff0c\u540c\u65f6\u4f7f\u7528acme-companion\u6765\u83b7\u53d6\u8bc1\u4e66\uff0c\u6700\u7ec8\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u6240\u4ee5\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n
                \u5c1d\u8bd5\u4f7f\u7528cURL<\/h3>\n
                \u9996\u5148\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u5e38\u89c4\u7684cURL\u547d\u4ee4\u3002<\/p>\n
                % curl https:\/\/<Domain A>\/\r\n<!<\/span>DOCTYPE html>\r\n<html>\r\n<head<\/span>><\/span>\r\n<title>Welcome to nginx!<\/title>\r\n\r\n\u301c\u4e2d\u7565\u301c\r\n\r\n<\/html>\r\n<\/code><\/pre>\n
                % curl https:\/\/<Domain B>\/\r\nI'm 22777b5d3e12\r\n<\/span><\/code><\/pre>\n
                \u8fd9\u662f\u6700\u521d\u8bbe\u8ba1\u7684\u64cd\u4f5c\u5427\u3002\u90a3\u4e48\uff0c\u6211\u4eec\u6765\u6539\u53d8HOST\u8bf7\u6c42\u5934\u5e76\u5c1d\u8bd5\u4f7f\u7528cURL\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n
                % curl -vv<\/span> -H<\/span> \"HOST: <Domain A>\"<\/span> https:\/\/<Domain B>\/\r\n\r\n\u301c\u4e2d\u7565\u301c\r\n\u301cDomain B\u306eport 443\u3078\u63a5\u7d9a\u301c\r\n\r\n*<\/span> Connected to <Domain B> (<\/span><IP Addr>)<\/span> port 443 (<\/span>#0)<\/span>\r\n\r\n\u301c\u4e2d\u7565\u301c\r\n\u301cDomain B\u306e\u8a3c\u660e\u66f8 (<\/span>CN\/SAN\u306b\u6ce8\u76ee)<\/span> \u304c\u63d0\u793a\u3055\u308c\u3001\u305d\u306e\u691c\u8a3c\u3082\u6210\u529f\u301c\r\n\r\n*<\/span> Server certificate:\r\n*<\/span>  subject: CN<\/span>=<\/span><Domain B>\r\n*<\/span>  start date<\/span>: Nov  9 17:08:21 2022 GMT\r\n*<\/span>  expire date<\/span>: Feb  7 17:08:20 2023 GMT\r\n*<\/span>  subjectAltName: host \"<Domain B>\"<\/span> matched cert's \"<Domain B>\"\r\n*  issuer: C=US; O=Let'<\/span>s Encrypt;<\/span> CN<\/span>=<\/span>R3\r\n*<\/span>  SSL certificate verify ok.\r\n*<\/span> Using HTTP2, server supports multiplexing\r\n*<\/span> Copying HTTP\/2 data in <\/span>stream buffer to connection buffer after upgrade: len<\/span>=<\/span>0\r\n*<\/span> h2h3 [<\/span>:method: GET]\r\n*<\/span> h2h3 [<\/span>:path: \/]\r\n*<\/span> h2h3 [<\/span>:scheme: https]\r\n*<\/span> h2h3 [<\/span>:authority: <Domain A>]\r\n*<\/span> h2h3 [<\/span>user-agent: curl\/7.86.0]\r\n*<\/span> h2h3 [<\/span>accept: *<\/span>\/*<\/span>]<\/span>\r\n*<\/span> Using Stream ID: 1 (<\/span>easy handle 0x14e00be00)<\/span>\r\n><\/span> GET \/ HTTP\/2\r\n\r\n\u301c\u3053\u3053\u3067HOST\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u306fDomain A\u3092\u793a\u3059\u301c\r\n\r\n><\/span> Host: <Domain A>\r\n><\/span> user-agent: curl\/7.86.0\r\n><\/span> accept: *<\/span>\/*<\/span>\r\n\r\n\u301c\u4e2d\u7565\u301c\r\n\u301cDomain A\u306b\u63a5\u7d9a\u3055\u308c\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u304cGET\u3055\u308c\u308b\u301c\r\n\r\n<!<\/span>DOCTYPE html>\r\n<html>\r\n<head<\/span>><\/span>\r\n<title>Welcome to nginx!<\/title>\r\n\r\n\u301c\u4e2d\u7565\u301c\r\n\r\n<\/html>\r\n*<\/span> Connection #0 to host <Domain B> left intact<\/span>\r\n<\/code><\/pre>\n
                \u563f\u2026\u2026TLS SNI\u88ab\u5ffd\u7565\u4e86\uff0c\u800c\u662f\u8fde\u63a5\u5230\u4e86\u7531HOST\u5934\u90e8\u6307\u5b9a\u7684A\u57df\u7684\u540e\u7aef\u670d\u52a1\u5668\u3002<\/p>\n
                \u5f53\u7136\u4e5f\u53ef\u4ee5\u9006\u5411\u601d\u8003\u3002<\/p>\n
                % curl -H<\/span> \"HOST: <Domain B>\"<\/span> https:\/\/<Domain A>\/\r\nI'm 22777b5d3e12\r\n<\/span><\/code><\/pre>\n
                \u5176\u5b9e\uff0c\u6211\u4eec\u53d1\u73b0\u670d\u52a1\u5668\u4e0a\u914d\u7f6e\u7684\u8bc1\u4e66\u4e0e\u5b9e\u9645\u8fde\u63a5\u7684\u540e\u7aef\u670d\u52a1\u5b8c\u5168\u4e0d\u5339\u914d\uff0c\u800c\u662f\u901a\u8fc7HOST\u8bf7\u6c42\u5934\u6307\u5b9a\u7684\u3002\u5f53\u6211\u5076\u7136\u53d1\u73b0\u8fd9\u4e2a\u65f6\uff0c\u975e\u5e38\u5403\u60ca\u3002<\/p>\n
                \u8981\u6ce8\u610f\u7684\u9632\u8303\u63aa\u65bd\uff1a\u4e3a\u4e86\u4fdd\u6301NGINX\u4e2dSNI\u548cHTTP HOST\u8bf7\u6c42\u5934\u7684\u4e00\u81f4\u6027\u3002<\/h2>\n
                \u53ea\u9700\u5728NGINX\u914d\u7f6e\u6587\u4ef6\uff08nginx.conf\uff09\u7684\u6bcf\u4e2aserver\u6307\u4ee4\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
                if<\/span> ($ssl_server_name<\/span> != $host<\/span>) {\r\n  return<\/span> 421<\/span>;\r\n}\r\n<\/code><\/pre>\n
                \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728TLS SNI\u548cHTTP HOST\u8bf7\u6c42\u5934\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8fd4\u56de421\u9519\u8bef\u7684misdirected request\uff0c\u5e76\u62d2\u7edd\u8bbf\u95ee\u3002cURL\u7684\u54cd\u5e94\u4e5f\u4f1a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                % curl -H<\/span> \"HOST: <Domain B>\"<\/span> https:\/\/<Domain A>\/\r\n<html>\r\n<head<\/span>><\/span><title>421 Misdirected Request<\/title><\/head>\r\n<body>\r\n<center><h1>421 Misdirected Request<\/h1><\/center>\r\n<hr><center>nginx\/1.23.3<\/center>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
                \u5982\u679c\u8bf7\u6c42URL\u7684scheme\uff08HTTPS\uff09\u4e0eauthority\u4e0d\u5339\u914d\uff0c\u5c31\u4f1a\u8fd4\u56de\u53ef\u4ee5\u5904\u7406\u7684400\u7cfb\u5217HTTP\u54cd\u5e94\u3002\u7531\u4e8eTLS SNI\u548cauthority\uff08=HOST\uff09\u7684\u7ec4\u5408\u6709\u95ee\u9898\uff0c\u56e0\u6b64\u81ea\u7136\u800c\u7136\u5730\u4f1a\u8fd4\u56de\u8fd9\u4e2a\u9519\u8bef\u3002<\/p>\n
                421\u9519\u8bef\u7684\u8bf7\u6c42
                \n\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u670d\u52a1\u5668\u672a\u914d\u7f6e\u4e3a\u9488\u5bf9\u8bf7\u6c42URI\u4e2d\u5305\u542b\u7684\u65b9\u6848\u548c\u6388\u6743\u7ec4\u5408\u751f\u6210\u54cd\u5e94\u800c\u5bfc\u81f4\u7684\u3002<\/p><\/blockquote>\n
                \u5b9e\u9645\u4e0a\uff0cRFC6066\u660e\u786e\u89c4\u5b9a\u4e86\u9700\u8981\u68c0\u67e5\u5e94\u7528\u5c42\u534f\u8bae\u548cSNI\u6240\u6307\u793a\u7684\u57df\u540d\uff08server_name\uff09\u662f\u5426\u76f8\u540c\u3002<\/p>\n
                \u7531\u4e8e\u5ba2\u6237\u7aef\u53ef\u80fd\u5728\u5e94\u7528\u534f\u8bae\u4e2d\u63d0\u4f9b\u4e0d\u540c\u7684\u670d\u52a1\u5668\u540d\u79f0\uff0c\u4f9d\u8d56\u4e8e\u8fd9\u4e9b\u540d\u79f0\u76f8\u540c\u7684\u5e94\u7528\u670d\u52a1\u5668\u5b9e\u73b0\u5fc5\u987b\u68c0\u67e5\u4ee5\u786e\u4fdd\u5ba2\u6237\u7aef\u5728\u5e94\u7528\u534f\u8bae\u4e2d\u6ca1\u6709\u63d0\u4f9b\u4e0d\u540c\u7684\u540d\u79f0\u3002<\/p><\/blockquote>\n
                \u95ee\u7b54<\/h2>\n
                Apache\u548cCaddy\u600e\u4e48\u6837\u5462\uff1f<\/h3>\n
                Apache \u662f\u4e00\u4e2a\u5f00\u6e90\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u9879\u76ee\uff0c\u7528\u4e8e\u5f00\u53d1\u548c\u7ef4\u62a4\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u670d\u52a1\u5668\u8f6f\u4ef6\u3002<\/h4>\n
                \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u672a\u80fd\u786e\u4fddSNI\u548cHOST\u8bf7\u6c42\u5934\u7684\u4e00\u81f4\u6027\uff0c\u5219\u4f1a\u8fd4\u56de421\u9519\u8bef\u4ee3\u7801\u3002<\/p>\n
                % curl -vv<\/span> -H<\/span> \"HOST: <Domain A>\"<\/span> https:\/\/<Domain B>\/\r\n<!<\/span>DOCTYPE HTML PUBLIC \"-\/\/IETF\/\/DTD HTML 2.0\/\/EN\"<\/span>><\/span>\r\n<html><head<\/span>><\/span>\r\n<title>421 Misdirected Request<\/title>\r\n<\/head><body>\r\n<h1>Misdirected Request<\/h1>\r\n<p>The client needs a new connection for <\/span>this\r\nrequest as the requested host name does not match\r\nthe Server Name Indication (<\/span>SNI)<\/span> in <\/span>use for <\/span>this\r\nconnection.<\/p>\r\n<\/body><\/html>\r\n<\/code><\/pre>\n
                Caddy could be paraphrased in Chinese as \u624b\u63d0\u5305 .<\/h4>\n
                …Caddy\u554a\uff0c\u4f60\u4e5f\u662f\u554a…… Caddy\u8ddfNGINX\u6709\u76f8\u540c\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662fCaddyfile\u7684\u793a\u4f8b\u3002<\/p>\n
                {\r\n  # \u53d6\u5f97\u6e08\u307f\u8a3c\u660e\u66f8\u30fb\u79d8\u5bc6\u9375\u3092\u5229\u7528\u3059\u308b\r\n  auto_https disable_certs\r\n}\r\n\r\n<Domain A> {\r\n  tls \/certs\/<Domain A>.crt \/certs\/<Domain A>.key\r\n  reverse_proxy backend-nginx:80\r\n}\r\n\r\n<Domain B> {\r\n  tls \/certs\/<Domain B>.crt \/certs\/<Domain B>.key\r\n  reverse_proxy backend-whoami:8000\r\n}\r\n<\/code><\/pre>\n
                \u7531\u4e8edocker-compose.yml\u4e0eNGINX\u51e0\u4e4e\u76f8\u540c\uff0c\u6240\u4ee5\u5272\u611b\u3002\u4ee5\u4e0b\u662fcURL\u7684\u7ed3\u679c\u3002<\/p>\n
                % curl -H<\/span> \"HOST: <Domain B>\"<\/span> https:\/\/<Domain A>\/\r\nI'm 22777b5d3e12\r\n<\/span><\/code><\/pre>\n
                \u901a\u8fc7\u5728Caddyfile\u7684\u5168\u5c40\u9009\u9879\u4e2d\u6dfb\u52a0strict_sni_host\u9009\u9879\uff0cCaddy\u53ef\u4ee5\u5b9e\u65bd\u4ee5\u4e0b\u9632\u62a4\u63aa\u65bd\u3002\u8fd9\u6837\uff0c\u5982\u679cTLS SNI\uff08\u670d\u52a1\u5668\u540d\u79f0\u6307\u793a\uff09\u4e0eHOST\u8bf7\u6c42\u5934\u4e0d\u4e00\u81f4\uff0c\u5c06\u4f1a\u8fd4\u56de421\u72b6\u6001\u7801\u3002<\/p>\n
                {\r\n  servers {\r\n    strict_sni_host\r\n  }\r\n}\r\n<\/code><\/pre>\n
                \u56e0\u4e3a\u53ef\u4ee5\u8fdb\u884c\u96c6\u4e2d\u8bbe\u7f6e\uff0c\u6240\u4ee5\u6bd4NGINX\u597d\uff0c\u4f46\u662f\u5e0c\u671b\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5c06strict_sni_host\u8bbe\u7f6e\u4e3aON…<\/p>\n
                \u5982\u679c\u4f7f\u7528\u5ba2\u6237\u8bc1\u4e66\uff0c\u662f\u5426\u6709\u540c\u6837\u7684\u62c5\u5fe7\uff1f<\/h3>\n
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                  \n
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                     <\/p>\n
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                      \u6c47\u603b<\/h2>\n
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                      \u6211\u5c06\u6b64\u95ee\u9898\u63d0\u4ea4\u7ed9\u4e86 Nginx \u5b89\u5168\u56e2\u961f\uff0c\u4ed6\u4eec\u8868\u793a\u8fd9\u4e0d\u662f Nginx \u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u800c\u5e94\u7531\u5ba2\u6237\u7aef\u9a8c\u8bc1\u8bc1\u4e66\uff0c\u5e76\u4e14\u4e0d\u8981\u53d1\u9001\u9488\u5bf9\u4ed6\u4eec\u5e94\u8be5\u901a\u8fc7\u8be5\u8fde\u63a5\u8bbf\u95ee\u7684\u4e3b\u673a\u7684\u6076\u610f\u8bf7\u6c42\u3002<\/p><\/blockquote>\n
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                      GitHub junkurihara\/rust-rpxy\u662f\u4e00\u4e2a\u7528Rust\u7f16\u5199\u7684\u7b80\u5355\u800c\u8d85\u5feb\u7684HTTP\u53cd\u5411\u4ee3\u7406\uff0c\u53ef\u4ee5\u4e3a\u591a\u4e2a\u57df\u540d\u63d0\u4f9b\u670d\u52a1\uff0c\u5e76\u5728http\/1.1\u30012\u548c3\u4e0a\u7ec8\u6b62TLS\u8fde\u63a5\u3002<\/p><\/blockquote>\n
                      \u867d\u7136\u4e0d\u5177\u5907\u591a\u529f\u80fd\u6027\uff0c\u4f46\u4e5f\u53ef\u4ee5\u652f\u6301HTTPS\u591a\u57df\u540d\uff0c\u5e76\u4e14\u8fd0\u884c\u7a33\u5b9a\u3001\u5feb\u901f\uff0c\u4e0eNGINX\u76f8\u5f53\u3002Caddy\u548cApache\u592a\u6162\u4e86\u3002<\/p>\n
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