{"id":209340,"date":"2025-09-30T08:32:12","date_gmt":"2025-09-30T00:32:12","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209340\/"},"modified":"2025-09-30T08:32:13","modified_gmt":"2025-09-30T00:32:13","slug":"vps-247","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209340\/","title":{"rendered":"\u9999\u6e2fVPS\u90e8\u7f72\u65b0\u95fbAPP\u63a8\u9001\uff1a\u7a33\u5b9a\u4f4e\u5ef6\u8fdf\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u79fb\u52a8\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u65b0\u95fbAPP\u5bf9\u63a8\u9001\u7684<strong>\u5b9e\u65f6\u6027\u4e0e\u7a33\u5b9a\u6027<\/strong>\u8981\u6c42\u6781\u9ad8\u3002\u5bf9\u4e8e\u9762\u5411\u4e2d\u56fd\u5927\u9646\u3001\u9999\u6e2f\u548c\u4e9a\u592a\u7528\u6237\u7684\u5a92\u4f53\u6216\u4f01\u4e1a\u6765\u8bf4\uff0c\u9009\u62e9\u5408\u9002\u7684\u90e8\u7f72\u4f4d\u7f6e\u4e0e\u4f18\u5316\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u4ee5\u5728\u9999\u6e2fVPS\u4e0a\u90e8\u7f72\u65b0\u95fbAPP\u63a8\u9001\u4e3a\u6838\u5fc3\uff0c\u7ed3\u5408\u63a8\u9001\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u67b6\u6784\u5b9e\u73b0\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u7ed9\u51fa\u53ef\u843d\u5730\u7684\u7a33\u5b9a\u4f4e\u5ef6\u8fdf\u5b9e\u6218\u6307\u5357\uff0c\u4fbf\u4e8e\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u5feb\u901f\u4e0a\u624b\u5e76\u6301\u7eed\u4f18\u5316\u3002<\/p>\n<h2>\u63a8\u9001\u7cfb\u7edf\u539f\u7406\u4e0e\u5e38\u89c1\u534f\u8bae<\/h2>\n<p>\u65b0\u95fbAPP\u7684\u63a8\u9001\u4e3b\u8981\u5206\u4e3a\u4e09\u7c7b\uff1a\u79fb\u52a8\u5e73\u53f0\u63a8\u9001\uff08\u5982 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MQTT\uff1a\u9002\u5408\u9700\u8981\u9ad8\u9891\u66f4\u65b0\u6216\u53cc\u5411\u4ea4\u4e92\u7684\u573a\u666f\uff0c\u4f8b\u5982\u5b9e\u65f6\u65b0\u95fb\u5f39\u7a97\u6216\u4e92\u52a8\u8bc4\u8bba\u3002<\/li>\n<\/ul>\n<p>\u81ea\u5efa\u901a\u9053\u8981\u6c42\u4fdd\u6301\u5927\u91cf\u957f\u8fde\u63a5\uff0c\u9700\u5173\u6ce8\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u3001TCP keepalive \u7b56\u7565\u3001Nginx 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MQTT\uff0c\u91c7\u7528\u4e13\u7528\u7684\u957f\u8fde\u63a5\u7f51\u5173\uff08\u5982 EMQX\u3001Mosquitto \u6216\u81ea\u7814\u7684\u57fa\u4e8e libuv \u7684\u670d\u52a1\uff09\uff0c\u5e76\u505a\u597d\u5fc3\u8df3\u548c\u65ad\u7ebf\u91cd\u8fde\u7b56\u7565\u3002<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e TCP backlog\u3001sysctl \u53c2\u6570\uff08\u5982 net.ipv4.tcp_tw_reuse\u3001tcp_fin_timeout\uff09\u4ee5\u652f\u6301\u5927\u91cf\u77ed\u8fde\u63a5\u4e0e\u957f\u8fde\u63a5\u5e76\u5b58\u3002<\/li>\n<\/ul>\n<h3>\u5b89\u5168\u4e0e\u8bc1\u4e66<\/h3>\n<ul>\n<li>\u63a8\u9001\u5fc5\u987b\u8d70 TLS\uff1a\u4f7f\u7528\u73b0\u4ee3 TLS \u914d\u7f6e\uff08TLS 1.2\/1.3\uff09\uff0c\u542f\u7528 HTTP\/2\uff0c\u51cf\u5c11\u63e1\u624b\u5ef6\u8fdf\u3002<\/li>\n<li>\u8bc1\u4e66\u7ba1\u7406\uff1a\u91c7\u7528\u81ea\u52a8\u5316\u7684\u8bc1\u4e66\u66f4\u65b0\uff08\u5982 Let&#8217;s Encrypt \u6216\u5185\u90e8 CA\uff09\uff0c\u5e76\u5728\u9999\u6e2fVPS\u4e0a\u914d\u7f6e OCSP Stapling 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