{"id":208800,"date":"2025-09-29T22:11:26","date_gmt":"2025-09-29T14:11:26","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208800\/"},"modified":"2025-09-29T22:11:26","modified_gmt":"2025-09-29T14:11:26","slug":"vps-108","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208800\/","title":{"rendered":"\u9999\u6e2fVPS\u9632\u62a4\u52a0\u7801\uff1a\u9644\u52a0\u9632\u706b\u5899\u4e00\u952e\u5b88\u536b\u670d\u52a1\u5668\u5b89\u5168"},"content":{"rendered":"<p>\u5728\u591a\u4e91\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u5e76\u884c\u53d1\u5c55\u7684\u4eca\u5929\uff0c\u4e91\u4e3b\u673a\u548c VPS \u7684\u5b89\u5168\u7b56\u7565\u5df2\u4ece\u4f20\u7edf\u4e3b\u673a\u7aef\u53e3\u5c01\u95ed\u8f6c\u5411\u66f4\u4e3a\u590d\u6742\u3001\u5206\u5c42\u7684\u9632\u62a4\u4f53\u7cfb\u3002\u5bf9\u9762\u5411\u5168\u7403\u4e1a\u52a1\u7684\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u5c24\u5176\u4f7f\u7528\u9999\u6e2f VPS \u6216\u7f8e\u56fdVPS 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Filtering\uff09<\/strong>\uff1a\u5728\u7f51\u7edc\u5c42\u6216\u4f20\u8f93\u5c42\u57fa\u4e8e\u4e94\u5143\u7ec4\uff08\u6e90IP\u3001\u76ee\u7684IP\u3001\u6e90\u7aef\u53e3\u3001\u76ee\u7684\u7aef\u53e3\u3001\u534f\u8bae\uff09\u8fdb\u884c\u5141\u8bb8\u6216\u62d2\u7edd\u5224\u65ad\uff0c\u6027\u80fd\u5f00\u9500\u5c0f\uff0c\u9002\u5408\u57fa\u7840\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<li><strong>\u72b6\u6001\u68c0\u6d4b\uff08Stateful Inspection\uff09<\/strong>\uff1a\u7ef4\u62a4\u8fde\u63a5\u72b6\u6001\u8868\uff08Connection Tracking\uff09\uff0c\u53ef\u4ee5\u8bc6\u522b\u5408\u6cd5\u7684\u4f1a\u8bdd\u5e76\u963b\u65ad\u5f02\u5e38\u8fde\u63a5\uff0c\u5982 SYN Flood \u7b49\u653b\u51fb\u3002<\/li>\n<li><strong>\u4ee3\u7406\/\u5e94\u7528\u5c42\u9632\u706b\u5899\uff08Application Firewall\/WAF\uff09<\/strong>\uff1a\u5de5\u4f5c\u5728\u5e94\u7528\u5c42\uff0c\u89e3\u6790 HTTP\/HTTPS\u3001SMTP \u7b49\u534f\u8bae\uff0c\u62b5\u5fa1 SQL \u6ce8\u5165\u3001XSS 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\u5360\u7528\u5e76\u63d0\u5347\u541e\u5410\u3002<\/li>\n<li>\u8fde\u63a5\u8ddf\u8e2a\u4f18\u5316\uff1a\u901a\u8fc7\u54c8\u5e0c\u8868\u548c\u5185\u5b58\u6c60\u7ba1\u7406\u5927\u91cf\u77ed\u8fde\u63a5\uff0c\u51cf\u5c11 hash \u78b0\u649e\u53ca\u5185\u5b58\u788e\u7247\u3002<\/li>\n<\/ul>\n<h2>\u9644\u52a0\u9632\u706b\u5899\u4e00\u952e\u90e8\u7f72\uff1a\u6280\u672f\u6d41\u7a0b\u4e0e\u4ea4\u4e92\u4f53\u9a8c<\/h2>\n<p>\u6240\u8c13\u201c\u9644\u52a0\u9632\u706b\u5899\u4e00\u952e\u5b88\u536b\u201d\uff0c\u901a\u5e38\u6307\u4e91\u670d\u52a1\u5728\u63a7\u5236\u53f0\u63d0\u4f9b\u7684\u53ef\u89c6\u5316\u3001\u9632\u62a4\u6a21\u677f\u5316\u914d\u7f6e\u4e0e\u81ea\u52a8\u5316\u4e0b\u53d1\u529f\u80fd\u3002\u5178\u578b\u6d41\u7a0b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7b56\u7565\u9009\u62e9\uff1a\u7528\u6237\u5728\u63a7\u5236\u9762\u677f\u9009\u62e9\u9884\u8bbe\u6a21\u677f\uff08Web \u670d\u52a1\u3001\u9632\u722c\u866b\u3001\u6570\u636e\u5e93\u9694\u79bb\u7b49\uff09\u6216\u81ea\u5b9a\u4e49\u89c4\u5219\u3002<\/li>\n<li>\u89c4\u5219\u4e0b\u53d1\uff1a\u7ba1\u7406\u5e73\u53f0\u5c06\u89c4\u5219\u8f6c\u8bd1\u4e3a\u5e95\u5c42\u9632\u706b\u5899\u8bed\u4e49\uff08\u5982 iptables \u89c4\u5219\u96c6\u3001nftables \u5bf9\u8c61\u6216\u4e91\u7f51\u5173\u7b56\u7565\uff09\uff0c\u5e76\u901a\u8fc7 API \u4e0b\u53d1\u5230\u5bf9\u5e94\u5bbf\u4e3b\u673a\u6216\u865a\u62df\u9632\u706b\u5899\u5b9e\u4f8b\u3002<\/li>\n<li>\u6d41\u91cf\u63a5\u7ba1\u4e0e\u76d1\u63a7\uff1a\u542f\u7528\u540e\uff0c\u6d41\u91cf\u5148\u901a\u8fc7\u4e91\u7aef\u9632\u706b\u5899\u94fe\u8def\uff0c\u9632\u706b\u5899\u6309\u7b56\u7565\u6267\u884c\u4e22\u5f03\u3001\u91cd\u5b9a\u5411\u6216\u9650\u901f\uff0c\u5e76\u628a\u65e5\u5fd7\u4e0e\u544a\u8b66\u53d1\u9001\u5230\u76d1\u63a7\u5e73\u53f0\u3002<\/li>\n<li>\u52a8\u6001\u8c03\u6574\uff1a\u652f\u6301\u57fa\u4e8e\u9608\u503c\u81ea\u52a8\u542f\u505c\u89c4\u5219\uff08\u4f8b\u5982\u5728\u68c0\u6d4b\u5230\u5f02\u5e38\u6d41\u91cf\u65f6\u81ea\u52a8\u5f00\u542f\u66f4\u4e25\u683c\u7684\u9650\u901f\u7b56\u7565\uff09\uff0c\u4ee5\u53ca\u652f\u6301\u767d\u540d\u5355\/\u9ed1\u540d\u5355\u7684\u52a8\u6001\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u7ad9\u957f\u548c\u5f00\u53d1\u8005\u800c\u8a00\uff0c<strong>\u4e00\u952e\u90e8\u7f72\u6700\u5927\u7684\u4ef7\u503c\u5728\u4e8e\u964d\u4f4e\u8fd0\u7ef4\u95e8\u69db<\/strong>\uff0c\u5c06\u590d\u6742\u7684\u7f51\u7edc\u5b89\u5168\u7ec6\u8282\u62bd\u8c61\u6210\u53ef\u590d\u7528\u7684\u7b56\u7565\u6a21\u677f\uff0c\u540c\u65f6\u7ed3\u5408\u5b9e\u65f6\u65e5\u5fd7\u5e2e\u52a9\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u7b56\u7565\u5efa\u8bae<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u5bf9\u9632\u62a4\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u4ee5\u4e0b\u4e3a\u5e38\u89c1\u6848\u4f8b\u4e0e\u5bf9\u5e94\u7b56\u7565\uff1a<\/p>\n<h3>\u7f51\u7ad9\u4e0e\u5e94\u7528\u670d\u52a1\u5668\uff08\u9762\u5411\u5168\u7403\u7528\u6237\uff09<\/h3>\n<ul>\n<li>\u573a\u666f\u7279\u5f81\uff1aHTTP\/HTTPS \u6d41\u91cf\u4e3a\u4e3b\uff0c\u53ef\u80fd\u9762\u4e34\u722c\u866b\u3001\u5e94\u7528\u5c42\u653b\u51fb\u4ee5\u53ca\u7a81\u53d1\u6d41\u91cf\u5cf0\u503c\u3002<\/li>\n<li>\u5efa\u8bae\u7b56\u7565\uff1a\u5728\u7f51\u7edc\u7ea7\u542f\u7528\u901f\u7387\u9650\u5236\u4e0e\u9ed1\u767d\u540d\u5355\uff1b\u5728\u5e94\u7528\u5c42\u90e8\u7f72 WAF \u7b56\u7565\uff08\u963b\u65ad\u5e38\u89c1\u6ce8\u5165\u4e0e\u5f02\u5e38\u8bbf\u95ee\uff09\uff1b\u542f\u7528 TLS \u4e2d\u95f4\u4ef6\u5bf9 HTTPS \u89e3\u5bc6\u8fdb\u884c\u6df1\u5ea6\u68c0\u6d4b\uff08\u5728\u5408\u89c4\u5141\u8bb8\u4e0b\uff09\u3002<\/li>\n<\/ul>\n<h3>API \u670d\u52a1\u4e0e\u5fae\u670d\u52a1\u96c6\u7fa4<\/h3>\n<ul>\n<li>\u573a\u666f\u7279\u5f81\uff1a\u5927\u91cf\u77ed\u8fde\u63a5\u548c\u9ad8\u5e76\u53d1\u8bf7\u6c42\uff0c\u654f\u611f\u63a5\u53e3\u9700\u9632\u6b62\u6ee5\u7528\u4e0e\u6293\u53d6\u3002<\/li>\n<li>\u5efa\u8bae\u7b56\u7565\uff1a\u4f7f\u7528 token \u6821\u9a8c\u548c\u901f\u7387\u9650\u5236\uff1b\u5728\u4e91\u7aef\u9632\u706b\u5899\u5f00\u542f\u57fa\u4e8e\u8def\u5f84\/\u65b9\u6cd5\u7684\u7ec6\u7c92\u5ea6\u7b56\u7565\uff1b\u7ed3\u5408 eBPF\/XDP \u4f18\u5316\u5305\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3>\u6570\u636e\u5e93\u4e0e\u7ba1\u7406\u7aef\u53e3\uff08\u9ad8\u5b89\u5168\u6027\u533a\u57df\uff09<\/h3>\n<ul>\n<li>\u573a\u666f\u7279\u5f81\uff1a\u5bf9\u5916\u66b4\u9732\u98ce\u9669\u9ad8\uff0c\u9700\u4e25\u683c\u9650\u5236\u8bbf\u95ee\u6765\u6e90\u3002<\/li>\n<li>\u5efa\u8bae\u7b56\u7565\uff1a\u9ed8\u8ba4\u5168\u90e8\u5c01\u95ed\uff0c\u4ec5\u5141\u8bb8\u6307\u5b9a\u7ba1\u7406 IP \u6216\u901a\u8fc7\u8df3\u677f\u673a\uff08Bastion Host\uff09\u8bbf\u95ee\uff1b\u542f\u7528\u7aef\u53e3\u6572\u95e8\u3001VPN \u96a7\u9053\u6216 Zero Trust \u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h2>\u4e0e\u4f20\u7edf\u65b9\u6848\u7684\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u5c06\u201c\u9644\u52a0\u4e91\u9632\u706b\u5899\u4e00\u952e\u90e8\u7f72\u201d\u4e0e\u7528\u6237\u81ea\u5efa iptables\/nftables 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CPU\uff1b\u672c\u5730\u9632\u706b\u5899\u53ea\u6709\u5728\u6d41\u91cf\u5230\u8fbe\u5b9e\u4f8b\u65f6\u624d\u751f\u6548\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6027\u4e0e\u6210\u672c\uff1a<\/strong>\u672c\u5730\u9632\u706b\u5899\u53ef\u5b9e\u73b0\u4efb\u610f\u81ea\u5b9a\u4e49\u89c4\u5219\u4e14\u96f6\u989d\u5916\u670d\u52a1\u8d39\uff0c\u4f46\u5728\u9ad8\u9632\u62a4\u9700\u6c42\u4e0b\u53ef\u80fd\u9700\u8981\u989d\u5916\u786c\u4ef6\u6216\u590d\u6742\u8fd0\u7ef4\uff1b\u4e91\u9632\u706b\u5899\u867d\u7136\u4fbf\u6377\uff0c\u4f46\u9ad8\u7ea7\u529f\u80fd\u53ef\u80fd\u4ea7\u751f\u8d39\u7528\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u4e3a\u9999\u6e2f VPS \u6216\u7f8e\u56fdVPS \u9009\u62e9\u5408\u9002\u7684\u9644\u52a0\u9632\u706b\u5899<\/h2>\n<p>\u5728\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668 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VPS\u3001\u7f8e\u56fdVPS\uff09\u65f6\uff0c\u5173\u6ce8\u8def\u7531\u7b56\u7565\u4e0e\u516c\u7f51\u51fa\u53e3\u7684\u5dee\u5f02\uff0c\u786e\u4fdd\u5b89\u5168\u7b56\u7565\u5728\u4e0d\u540c\u8282\u70b9\u4e00\u81f4\u751f\u6548\u3002<\/li>\n<\/ul>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u9644\u52a0\u9632\u706b\u5899\u7684\u4e00\u952e\u90e8\u7f72\u5c06\u590d\u6742\u7684\u9632\u62a4\u673a\u5236\u6a21\u677f\u5316\u3001\u81ea\u52a8\u5316\uff0c\u4f7f\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u80fd\u591f\u5728\u6700\u77ed\u65f6\u95f4\u5185\u83b7\u5f97\u53ef\u7528\u4e14\u53ef\u5ba1\u8ba1\u7684\u9632\u62a4\u80fd\u529b\u3002\u5bf9\u4e8e\u5728\u9999\u6e2f\u90e8\u7f72\u4e1a\u52a1\u7684\u7528\u6237\uff0c\u9009\u62e9\u5177\u5907\u4f4e\u5ef6\u8fdf\u4e0e\u672c\u5730\u8282\u70b9\u652f\u6301\u7684\u4e91\u9632\u706b\u5899\u5c24\u4e3a\u91cd\u8981\uff1b\u800c\u5728\u9700\u8de8\u5883\u6216\u4f7f\u7528\u7f8e\u56fd\u670d\u52a1\u5668 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