{"id":208860,"date":"2025-09-29T23:32:21","date_gmt":"2025-09-29T15:32:21","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208860\/"},"modified":"2025-09-29T23:32:22","modified_gmt":"2025-09-29T15:32:22","slug":"vps-130","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208860\/","title":{"rendered":"\u9999\u6e2fVPS\u89c6\u9891\u5361\u987f\u771f\u56e0\u89e3\u6790\uff1a\u5ef6\u8fdf\u3001\u4e22\u5305\u4e0e\u8def\u7531\u4f18\u5316\u8981\u70b9"},"content":{"rendered":"<p>\u5728\u8de8\u5883\u97f3\u89c6\u9891\u670d\u52a1\u65e5\u76ca\u666e\u53ca\u7684\u4eca\u5929\uff0c\u5f88\u591a\u7ad9\u957f\u548c\u5f00\u53d1\u8005\u5728\u4f7f\u7528\u9999\u6e2fVPS\u6258\u7ba1\u5e94\u7528\u6216\u901a\u8fc7\u9999\u6e2f\u670d\u52a1\u5668\u505a\u4e2d\u8f6c\u65f6\u4f1a\u9047\u5230\u201c\u89c6\u9891\u5361\u987f\u201d\u95ee\u9898\u3002\u8868\u9762\u4e0a\u770b\u4f3c\u7b80\u5355\u7684\u505c\u987f\u6216\u7f13\u51b2\uff0c\u80cc\u540e\u5f80\u5f80\u7531\u5ef6\u8fdf\u3001\u4e22\u5305\u3001\u8def\u7531\u4e0d\u4f73\u7b49\u591a\u4e2a\u7f51\u7edc\u5c42\u9762\u56e0\u7d20\u5171\u540c\u4f5c\u7528\u800c\u6210\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u89e3\u6790\u9999\u6e2fVPS\u89c6\u9891\u5361\u987f\u7684\u771f\u5b9e\u539f\u56e0\uff0c\u5e76\u63d0\u4f9b\u53ef\u64cd\u4f5c\u7684\u8def\u7531\u4e0e\u4f20\u8f93\u4f18\u5316\u8981\u70b9\uff0c\u5e2e\u52a9\u60a8\u5728\u9009\u62e9\u9999\u6e2f\u6216\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u65f6\u505a\u51fa\u66f4\u7b26\u5408\u4e1a\u52a1\u9700\u6c42\u7684\u67b6\u6784\u51b3\u7b56\u3002<\/p>\n<h2>\u7f51\u7edc\u6027\u80fd\u5f71\u54cd\u89c6\u9891\u4f53\u9a8c\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u8981\u7406\u89e3\u89c6\u9891\u5361\u987f\uff0c\u9996\u5148\u9700\u628a\u63e1\u51e0\u4e2a\u6838\u5fc3\u7f51\u7edc\u6307\u6807\u53ca\u5176\u5bf9\u6d41\u5a92\u4f53\u7684\u5f71\u54cd\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\uff08Latency\uff09<\/strong>\uff1a\u901a\u5e38\u4ee5RTT\uff08\u5f80\u8fd4\u65f6\u95f4\uff09\u8861\u91cf\uff0c\u8f83\u9ad8\u7684\u5ef6\u8fdf\u4f1a\u5bfc\u81f4\u9996\u5e27\u65f6\u95f4\uff08Time-to-First-Frame\uff09\u53d8\u957f\uff0c\u5f71\u54cd\u4ea4\u4e92\u5f0f\u89c6\u9891\u548c\u5b9e\u65f6\u901a\u8bdd\u4f53\u9a8c\u3002\u5bf9\u4e8e\u70b9\u64ad\u89c6\u9891\uff0c\u9ad8\u5ef6\u8fdf\u5f71\u54cd\u64ad\u653e\u5668\u4e0e\u670d\u52a1\u5668\u7684\u63e1\u624b\u3001\u7801\u7387\u5207\u6362\u7b49\u63a7\u5236\u4fe1\u4ee4\u3002<\/li>\n<li><strong>\u6296\u52a8\uff08Jitter\uff09<\/strong>\uff1a\u76f8\u90bb\u6570\u636e\u5305\u5230\u8fbe\u65f6\u95f4\u7684\u6ce2\u52a8\u3002\u6296\u52a8\u4f1a\u4f7f\u64ad\u653e\u5668\u7684\u89e3\u7801\u7f13\u51b2\u7b56\u7565\u9891\u7e41\u8c03\u6574\uff0c\u4ece\u800c\u5f15\u53d1\u77ed\u65f6\u5361\u987f\u6216\u97f3\u753b\u4e0d\u540c\u6b65\u3002<\/li>\n<li><strong>\u4e22\u5305\uff08Packet 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\u8de8\u5883\u94fe\u8def\u62e5\u585e\u4e0e\u6ce2\u52a8<\/h3>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u592a\u91cd\u8981\u8282\u70b9\uff0c\u6d41\u91cf\u5f80\u5f80\u901a\u8fc7\u6d77\u5e95\u5149\u7f06\u8de8\u5883\u3002\u94fe\u8def\u5728\u9ad8\u5cf0\u671f\u3001\u8282\u5047\u65e5\u6216\u906d\u9047\u7a81\u53d1\u4e8b\u4ef6\u65f6\u53ef\u80fd\u51fa\u73b0\u62e5\u585e\uff0c\u8868\u73b0\u4e3a\u4e22\u5305\u7387\u4e0a\u5347\u548c\u5ef6\u8fdf\u62ac\u5347\u3002\u6392\u67e5\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u6301\u7eed\u6027\u7684ICMP\/UDP\/TCP\u63a2\u6d4b\uff08\u4f8b\u5982mtr\u3001pingplotter\uff09\u89c2\u6d4b\u4e22\u5305\u4e0e\u5ef6\u8fdf\u8dc3\u8fc1\u70b9\uff0c\u5b9a\u4f4d\u53d1\u751f\u4e22\u5305\u7684\u81ea\u6cbb\u7cfb\u7edf\uff08ASN\uff09\u6216\u4ea4\u6362\u8282\u70b9\u3002<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u53d1\u751f\u5206\u5e03\u5f0f\u6d41\u91cf\u7a81\u589e\uff08DDoS\u6216\u6d41\u91cf\u98ce\u66b4\uff09\uff0c\u6216\u8fd0\u8425\u5546\u5728\u505a\u6d41\u91cf\u6574\u5f62\u3002<\/li>\n<\/ul>\n<h3>2. 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MTU\u4e0e\u5206\u7247\u95ee\u9898<\/h3>\n<p>\u4e0d\u5339\u914d\u7684MTU\u4f1a\u5bfc\u81f4IP\u5206\u7247\uff0c\u5206\u7247\u5305\u5728\u7f51\u7edc\u4e2d\u66f4\u6613\u4e22\u5931\uff0c\u4ece\u800c\u5f71\u54cd\u89c6\u9891\u6d41\u7684\u8fde\u7eed\u6027\u3002\u5c24\u5176\u662f\u4f7f\u7528QUIC\/HTTP3\u6216VPN\u65f6\uff0cMTU\u95ee\u9898\u66f4\u5e38\u89c1\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u6d4b\u8bd5path MTU\uff08\u5982\u4f7f\u7528tracepath\uff09\uff0c\u786e\u4fdd\u94fe\u8def\u4e0a\u6ca1\u6709\u9700\u8981\u5206\u7247\u7684\u60c5\u51b5\u3002<\/li>\n<li>\u5728VPS\u4e0a\u9002\u5f53\u8c03\u6574\u7f51\u5361\u7684MTU\u5e76\u914d\u7f6eTCP MSS clamping\u4ee5\u907f\u514d\u5206\u7247\u3002<\/li>\n<\/ul>\n<h3>4. 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