{"id":208436,"date":"2025-09-29T17:11:20","date_gmt":"2025-09-29T09:11:20","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208436\/"},"modified":"2025-09-29T17:11:21","modified_gmt":"2025-09-29T09:11:21","slug":"vps-4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208436\/","title":{"rendered":"\u9999\u6e2fVPS\u5982\u4f55\u4fdd\u969c\u6570\u636e\u9690\u79c1\u4e0e\u5b89\u5168\uff1a\u5408\u89c4\u3001\u52a0\u5bc6\u4e0e\u5b9e\u6218\u8981\u70b9"},"content":{"rendered":"<p>\u5728\u5168\u7403\u4e91\u8ba1\u7b97\u4e0e\u8de8\u5883\u4e1a\u52a1\u65e5\u76ca\u9891\u7e41\u7684\u4eca\u5929\uff0c\u9009\u62e9\u5408\u9002\u7684VPS\u4e0d\u4ec5\u4ec5\u5173\u4e4e\u6027\u80fd\u4e0e\u6210\u672c\uff0c\u66f4\u5173\u7cfb\u5230\u6570\u636e\u9690\u79c1\u4e0e\u5408\u89c4\u98ce\u9669\u3002\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\uff0c\u672c\u6587\u4ece\u6280\u672f\u539f\u7406\u3001\u5b9e\u6218\u8981\u70b9\u4e0e\u9009\u8d2d\u5efa\u8bae\u4e09\u65b9\u9762\uff0c\u6df1\u5165\u89e3\u8bfb\u201c\u9999\u6e2fVPS\u5982\u4f55\u4fdd\u969c\u6570\u636e\u9690\u79c1\u4e0e\u5b89\u5168\u201d\uff0c\u5e76\u5728\u6bd4\u8f83\u9999\u6e2fVPS\u4e0e\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5408\u89c4\u4e0e\u7f51\u7edc\u7279\u70b9\u65f6\uff0c\u7ed9\u51fa\u53ef\u64cd\u4f5c\u6027\u7684\u914d\u7f6e\u4e0e\u8fd0\u7ef4\u5efa\u8bae\u3002<\/p>\n<h2>\u4e00\u3001\u6570\u636e\u9690\u79c1\u4e0e\u5408\u89c4\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u4efb\u4f55\u4e91\u4e3b\u673a\u6216VPS\u7684\u5b89\u5168\u53ef\u5206\u4e3a\u4e09\u5c42\uff1a\u7269\u7406\u5c42\u3001\u5e73\u53f0\/\u5bbf\u4e3b\u5c42\u4e0e\u5ba2\u6237\uff08\u865a\u62df\u673a\/\u5bb9\u5668\uff09\u5c42\u3002<strong>\u7269\u7406\u5c42<\/strong>\u6db5\u76d6\u6570\u636e\u4e2d\u5fc3\u7684\u95e8\u7981\u3001\u89c6\u9891\u76d1\u63a7\u3001\u673a\u623f\u5197\u4f59\u4e0e\u9632\u707e\u80fd\u529b\uff1b<strong>\u5e73\u53f0\u5c42<\/strong>\u6307\u865a\u62df\u5316\u6280\u672f\uff08\u5982KVM\u3001Xen\uff09\u3001\u7f51\u7edc\u9694\u79bb\u3001\u5bbf\u4e3b\u673a\u8865\u4e01\u4e0e\u6743\u9650\u7ba1\u7406\uff1b<strong>\u5ba2\u6237\u5c42<\/strong>\u5219\u662f\u64cd\u4f5c\u7cfb\u7edf\u3001\u5e94\u7528\u3001\u52a0\u5bc6\u4e0e\u8bbf\u95ee\u63a7\u5236\u7b56\u7565\u3002\u7406\u89e3\u8fd9\u4e09\u5c42\u8fb9\u754c\u6709\u52a9\u4e8e\u660e\u786e\u8d23\u4efb\u5206\u79bb\uff08Shared 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Secrecy\uff08PFS\uff09<\/strong>\u5f00\u542f\uff0c\u4ee5\u9632\u6b62\u957f\u671f\u5bc6\u94a5\u6cc4\u9732\u5bfc\u81f4\u5386\u53f2\u4f1a\u8bdd\u56de\u6eaf\uff1b<\/li>\n<li>\u5728\u8fd0\u7ef4\u901a\u9053\u65b9\u9762\uff0c\u5f3a\u5236\u4f7f\u7528SSH\u516c\u94a5\u8ba4\u8bc1\u3001\u7981\u7528\u5bc6\u7801\u767b\u5f55\u3001\u9650\u5236root\u8fdc\u7a0b\u767b\u5f55\u3001\u4f7f\u7528AllowUsers\/AllowGroups\u5e76\u542f\u7528Fail2ban\u6216\u7c7b\u4f3c\u9632\u66b4\u529b\u673a\u5236\u3002<\/li>\n<\/ul>\n<h3>\u9759\u6001\u6570\u636e\u4fdd\u62a4<\/h3>\n<ul>\n<li>\u78c1\u76d8\u5c42\u9762\uff1a\u4f7f\u7528LUKS\uff08Linux Unified Key Setup\uff09\u6216dm-crypt\u8fdb\u884c\u5168\u76d8\u52a0\u5bc6\uff0c\u5fc5\u8981\u65f6\u914d\u5408TPM\u6216\u5916\u90e8KMS\u786e\u4fdd\u5bc6\u94a5\u4e0d\u53ef\u88ab\u5bbf\u4e3b\u673a\u7ba1\u7406\u5458\u76f4\u63a5\u8bfb\u53d6\uff1b<\/li>\n<li>\u5bf9\u8c61\u5b58\u50a8\/\u5907\u4efd\uff1a\u5bf9\u5907\u4efd\u6587\u4ef6\u8fdb\u884c\u5355\u72ec\u52a0\u5bc6\uff08\u5982\u4f7f\u7528age\u3001GPG\u6216\u4e91\u63d0\u4f9b\u7684KMS\uff09\uff0c\u5e76\u5728\u8de8\u533a\u57df\u5907\u4efd\u65f6\u786e\u4fdd\u5bc6\u94a5\u4e0d\u968f\u6570\u636e\u4e00\u5e76\u4f20\u8f93\uff1b<\/li>\n<li>\u6570\u636e\u5e93\uff1a\u5bf9\u654f\u611f\u5b57\u6bb5\u91c7\u7528\u5e94\u7528\u5c42\u6216\u6570\u636e\u5e93\u5185\u7f6e\u7684\u900f\u660e\u6570\u636e\u52a0\u5bc6\uff08TDE\uff09\uff0c\u5e76\u9650\u5236\u6570\u636e\u5e93\u7ba1\u7406\u5458\u7684\u8bbf\u95ee\u8303\u56f4\uff1b<\/li>\n<li>\u5bc6\u94a5\u7ba1\u7406\uff1a\u5efa\u8bae\u4f7f\u7528\u4e13\u7528KMS\u6216HSM\uff0c\u907f\u514d\u5c06\u660e\u6587\u5bc6\u94a5\u5b58\u50a8\u5728\u865a\u62df\u673a\u6587\u4ef6\u7cfb\u7edf\u6216\u73af\u5883\u53d8\u91cf\u4e2d\uff1b<\/li>\n<li>\u5bc6\u94a5\u8f6e\u6362\uff1a\u5236\u5b9a\u81ea\u52a8\u5316\u5bc6\u94a5\u8f6e\u6362\u7b56\u7565\uff0c\u5e76\u5bf9\u5bc6\u94a5\u53d8\u66f4\u8fc7\u7a0b\u8fdb\u884c\u5ba1\u8ba1\u3002<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u865a\u62df\u5316\u4e0e\u9694\u79bb\uff1a\u9632\u6b62\u201c\u90bb\u5c45\u653b\u7834\u201d\u4e0e\u9003\u9038\u98ce\u9669<\/h2>\n<p>VPS\u901a\u5e38\u57fa\u4e8e\u865a\u62df\u5316\u6280\u672f\uff0c\u4e86\u89e3\u865a\u62df\u5316\u5b89\u5168\u5bf9\u4e8e\u8bc4\u4f30\u4f9b\u5e94\u5546\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u865a\u62df\u5316\u5b89\u5168\u9632\u62a4\u8981\u70b9<\/h3>\n<ul>\n<li>\u9009\u62e9\u6210\u719f\u7684\u865a\u62df\u5316\u6280\u672f\uff08\u5982KVM\uff09\u5e76\u786e\u8ba4\u5bbf\u4e3b\u673a\u5df2\u6253\u4e0a\u6700\u65b0\u8865\u4e01\uff0c\u51cf\u5c11Hypervisor\u5c42\u9762\u6f0f\u6d1e\u98ce\u9669\uff1b<\/li>\n<li>\u542f\u7528\u786c\u4ef6\u865a\u62df\u5316\u6269\u5c55\uff08Intel VT-x\/AMD-V\uff09\u4e0eIOMMU\u4ee5\u9632\u6b62DMA\u653b\u51fb\uff1b<\/li>\n<li>\u7f51\u7edc\u9694\u79bb\uff1a\u4f7f\u7528\u79c1\u6709VLAN\u3001Virtual Network\u6216SDN\u5206\u6bb5\u6d41\u91cf\uff0c\u907f\u514d\u4e0d\u540c\u5ba2\u6237\u95f4\u76f4\u63a5\u4e8c\u5c42\u901a\u4fe1\uff1b<\/li>\n<li>\u907f\u514d\u5171\u4eab\u5185\u6838\u7684\u5bb9\u5668\u5316\u573a\u666f\uff08\u5982\u5c06\u591a\u79df\u6237\u5e94\u7528\u76f4\u63a5\u8fd0\u884c\u5728\u540c\u4e00\u5bbf\u4e3b\u673aDocker daemon\u4e0a\uff09\uff0c\u5fc5\u8981\u65f6\u91c7\u7528\u8f7b\u91cf\u865a\u62df\u5316\uff08\u5982Firecracker\u3001gVisor\uff09\u6216\u72ec\u7acbVPS\u5b9e\u4f8b\u4ee5\u589e\u5f3a\u9694\u79bb\uff1b<\/li>\n<li>\u4f7f\u7528SELinux\/AppArmor\u3001seccomp\u7b49\u5185\u6838\u5b89\u5168\u6a21\u5757\u9650\u5236\u8fdb\u7a0b\u6743\u9650\uff0c\u964d\u4f4e\u9003\u9038\u6982\u7387\u3002<\/li>\n<\/ul>\n<h2>\u56db\u3001\u7f51\u7edc\u5b89\u5168\u4e0eDDoS\u9632\u62a4<\/h2>\n<p>\u7f51\u7edc\u5c42\u662f\u653b\u51fb\u4e0e\u6570\u636e\u6cc4\u9732\u7684\u9ad8\u53d1\u70b9\uff0c\u7279\u522b\u662f\u9762\u5411\u516c\u7f51\u7684\u5e94\u7528\u3002<\/p>\n<ul>\n<li>\u8fb9\u754c\u9632\u62a4\uff1a\u914d\u7f6e\u4e91\u9632\u706b\u5899\u5e76\u4f7f\u7528\u767d\u540d\u5355\u7b56\u7565\uff0c\u5c3d\u91cf\u5173\u95ed\u4e0d\u5fc5\u8981\u7aef\u53e3\uff1b<\/li>\n<li>\u5165\u4fb5\u68c0\u6d4b\u4e0e\u54cd\u5e94\uff1a\u90e8\u7f72\u4e3b\u673a\u5165\u4fb5\u68c0\u6d4b\uff08\u5982OSSEC\u3001Wazuh\uff09\u4e0e\u7f51\u7edc\u5c42IDS\/IPS\uff0c\u5e76\u5c06\u65e5\u5fd7\u96c6\u4e2d\u5230SIEM\u7cfb\u7edf\u505a\u5b9e\u65f6\u544a\u8b66\uff1b<\/li>\n<li>DDoS\uff1a\u9009\u62e9\u63d0\u4f9bDDoS\u7f13\u89e3\u80fd\u529b\u7684\u6570\u636e\u4e2d\u5fc3\u6216\u4e0a\u6e38\u5e26\u5bbd\u63d0\u4f9b\u5546\uff0c\u5173\u952e\u4e1a\u52a1\u53ef\u914d\u7f6e\u6d41\u91cf\u6e05\u6d17\u4e0e\u901f\u7387\u9650\u5236\uff1b<\/li>\n<li>\u6d41\u91cf\u52a0\u5bc6\u4e0e\u6700\u5feb\u8def\u5f84\uff1a\u5728\u9999\u6e2fVPS\u4e0a\u53ef\u901a\u8fc7BGP\u591a\u7ebf\u4e0e\u76f4\u8fde\u5408\u4f5c\u4f19\u4f34\u6539\u5584\u5230\u5927\u9646\u6216\u4e9a\u592a\u533a\u57df\u7684\u8bbf\u95ee\u901f\u5ea6\uff0c\u76f8\u8f83\u4e8e\u7f8e\u56fdVPS\u53ef\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u5ba1\u8ba1\u3001\u65e5\u5fd7\u4e0e\u8fd0\u7ef4\u6d41\u7a0b<\/h2>\n<p>\u5b89\u5168\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u914d\u7f6e\uff0c\u800c\u662f\u6301\u7eed\u7684\u8fd0\u7ef4\u4e0e\u5ba1\u8ba1\u3002<\/p>\n<ul>\n<li>\u65e5\u5fd7\u7b56\u7565\uff1a\u542f\u7528\u64cd\u4f5c\u4e0e\u5b89\u5168\u65e5\u5fd7\u8fdc\u7a0b\u4f20\u8f93\uff08syslog over 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vs 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