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\u4ece\u96f6\u5f00\u59cb\u642d\u5efa\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u8fc7\u7a0b\u5f80\u5f80\u5982\u540c\u8d70\u8ff7\u5bab\u4e00\u822c\u68d8\u624b\uff0c\u5bf9\u4e8e\u521d\u6b21\u63a5\u89e6\u81ea\u7ba1\u578b\u670d\u52a1\u5668\u79df\u7528\u6216\u670d\u52a1\u5668\u6258\u7ba1\u7684\u4eba\u6765\u8bf4\u66f4\u662f\u5982\u6b64\u3002\u65e0\u8bba\u4f60\u662f\u5728\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72\u670d\u52a1\u5668\uff0c\u8fd8\u662f \u7ba1\u7406\u8fdc\u7a0b\u57fa\u7840\u8bbe\u65bd<\/a>\uff0c\u89c4\u8303\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u548c\u5b8c\u5584\u7684\u5b89\u5168\u9632\u62a4\u63aa\u65bd\u90fd\u662f\u4fdd\u969c\u670d\u52a1\u5668\u6027\u80fd\u6700\u4f18\u3001\u5b89\u5168\u53ef\u63a7\u7684\u5173\u952e\u3002\u672c\u6307\u5357\u5c06\u4e3a\u4f60\u5206\u6b65\u62c6\u89e3\u6574\u4e2a\u64cd\u4f5c\u6d41\u7a0b\uff0c\u8ba9\u4f60\u7684\u670d\u52a1\u5668\u4ece\u4e00\u5f00\u59cb\u5c31\u62e5\u6709\u575a\u5b9e\u7684\u8fd0\u884c\u57fa\u7840\u3002<\/p>\n

\u524d\u671f\u51c6\u5907\uff1a\u767b\u5f55\u670d\u52a1\u5668\u524d\u7684\u51c6\u5907\u5de5\u4f5c<\/strong><\/h2>\n
\u5728\u5f00\u5c55\u5177\u4f53\u7684\u6280\u672f\u914d\u7f6e\u524d\uff0c\u505a\u597d\u524d\u671f\u94fa\u57ab\u5de5\u4f5c\u81f3\u5173\u91cd\u8981\u3002\u987a\u7545\u7684\u914d\u7f6e\u6d41\u7a0b\uff0c\u59cb\u4e8e\u5bf9\u8fd0\u884c\u73af\u5883\u7684\u4e86\u89e3\u548c\u5fc5\u5907\u5de5\u5177\u7684\u51c6\u5907\u3002<\/p>\n
\n
\u9009\u62e9\u64cd\u4f5c\u7cfb\u7edf\uff1a<\/strong>\u6839\u636e\u81ea\u8eab\u6280\u672f\u9700\u6c42\u6311\u9009\u9002\u914d\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Ubuntu\u3001CentOS\u8fd9\u7c7bLinux\u53d1\u884c\u7248\u7075\u6d3b\u6027\u5f3a\uff0c\u662f\u4f18\u9009\u65b9\u6848\uff1b\u800cWindows Server\u5219\u66f4\u9002\u5408\u7279\u5b9a\u7684\u4f01\u4e1a\u7ea7\u5e94\u7528\u573a\u666f\u3002<\/li>\n
\u51c6\u5907\u8bbf\u95ee\u51ed\u8bc1\uff1a<\/strong>\u786e\u8ba4\u5df2\u83b7\u53d6\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3001root\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u82e5\u901a\u8fc7SSH\u65b9\u5f0f\u8bbf\u95ee\uff0c\u9700\u5728\u672c\u5730\u7535\u8111\u5b89\u88c5\u5bf9\u5e94\u7684\u7ec8\u7aef\u5ba2\u6237\u7aef\u3002<\/li>\n
\u660e\u786e\u4f7f\u7528\u573a\u666f\uff1a<\/strong>\u786e\u5b9a\u670d\u52a1\u5668\u7684\u7528\u9014\u662f\u670d\u52a1\u5668\u79df\u7528\u3001\u670d\u52a1\u5668\u6258\u7ba1\uff0c\u8fd8\u662f\u8fd0\u884c\u7279\u5b9a\u5e94\u7528\uff0c\u4ee5\u6b64\u5236\u5b9a\u5339\u914d\u7684\u914d\u7f6e\u65b9\u6848\u3002<\/li>\n<\/ul>\n
\u7b2c\u4e00\u6b65\uff1a\u767b\u5f55\u670d\u52a1\u5668\u5e76\u5b8c\u6210\u7cfb\u7edf\u66f4\u65b0<\/strong><\/h2>\n
\u83b7\u53d6\u8bbf\u95ee\u51ed\u8bc1\u540e\uff0c\u9996\u8981\u64cd\u4f5c\u5c31\u662f\u767b\u5f55\u670d\u52a1\u5668\u5e76\u8fdb\u884c\u7cfb\u7edf\u66f4\u65b0\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u5b89\u88c5\u4e86\u6700\u65b0\u7684\u8865\u4e01\u548c\u5b89\u5168\u66f4\u65b0\u5305\u3002<\/p>\n
\n
\u901a\u8fc7\u7ec8\u7aef\u8fde\u63a5SSH\uff0c\u82e5\u6709\u9700\u8981\u4e5f\u53ef\u4f7f\u7528\u8fdc\u7a0b\u684c\u9762\uff0c\u793a\u4f8b\u547d\u4ee4\uff1a`ssh root@your-server-ip<\/code>\u3002<\/li>\n`
`\u66f4\u65b0\u5305\u7ba1\u7406\u5668\u5e76\u5347\u7ea7\u5df2\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\uff1a\n`
\n
\u57fa\u4e8eDebian\u7684\u7cfb\u7edf\uff1a`apt-get update && apt-get upgrade<\/code><\/li>\n`
`\u57fa\u4e8eRHEL\u7684\u7cfb\u7edf\uff1ayum update<\/code><\/li>\n<\/ul>\n<\/li>\n`
`\u82e5\u6709\u9700\u8981\uff0c\u91cd\u542f\u670d\u52a1\u5668\u4f7f\u66f4\u65b0\u751f\u6548\u3002<\/li>\n<\/ol>\n`
\u7b2c\u4e8c\u6b65\uff1a\u521b\u5efa\u975eroot\u666e\u901a\u7528\u6237<\/strong><\/h2>\n
\u4f7f\u7528root\u7528\u6237\u8fdb\u884c\u65e5\u5e38\u64cd\u4f5c\uff0c\u4f1a\u5927\u5e45\u589e\u52a0\u8bef\u914d\u7f6e\u6216\u906d\u9047\u5b89\u5168\u5165\u4fb5\u7684\u98ce\u9669\uff0c\u56e0\u6b64\u521b\u5efa\u4e00\u4e2a\u62e5\u6709sudo\u6743\u9650\u7684\u975eroot\u666e\u901a\u7528\u6237\u662f\u5fc5\u5907\u64cd\u4f5c\u3002<\/p>\n
\n
\u6267\u884c\u547d\u4ee4`adduser your-username<\/code>\u521b\u5efa\u65b0\u7528\u6237\u3002<\/li>\n`
`\u7f16\u8f91sudoers\u914d\u7f6e\u6587\u4ef6\u4e3a\u65b0\u7528\u6237\u8d4b\u4e88sudo\u6743\u9650\uff0c\u547d\u4ee4\uff1avisudo<\/code>\u3002<\/li>\n`
\u6267\u884csu - your-username<\/code>\u5207\u6362\u81f3\u65b0\u7528\u6237\uff0c\u5e76\u6d4b\u8bd5sudo\u6743\u9650\u662f\u5426\u751f\u6548\u3002<\/li>\n<\/ol>\n\u7b2c\u4e09\u6b65\uff1a\u670d\u52a1\u5668\u5b89\u5168\u9632\u62a4\u914d\u7f6e<\/strong><\/h2>\n\u5b89\u5168\u9632\u62a4\u914d\u7f6e\u662f\u670d\u52a1\u5668\u521d\u59cb\u5316\u7684\u6838\u5fc3\u73af\u8282\uff0c\u7f3a\u5c11\u5b8c\u5584\u7684\u5b89\u5168\u67b6\u6784\uff0c\u670d\u52a1\u5668\u5c06\u6781\u6613\u906d\u53d7\u7f51\u7edc\u653b\u51fb\u3002<\/p>\n \n\u4fee\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\uff1a<\/strong>\u7f16\u8f91SSH\u914d\u7f6e\u6587\u4ef6(\/etc\/ssh\/sshd_config<\/code>)\uff0c\u5c06\u9ed8\u8ba4\u7aef\u53e3\u66f4\u6362\u4e3a\u975e\u6807\u51c6\u7aef\u53e3\uff0c\u51cf\u5c11\u66b4\u529b\u7834\u89e3\u653b\u51fb\u7684\u5c1d\u8bd5\u6b21\u6570\u3002<\/li>\n \u914d\u7f6e\u9632\u706b\u5899\uff1a<\/strong>\u4f7f\u7528UFW\u6216iptables\u8fd9\u7c7b\u5de5\u5177\uff0c\u4ec5\u653e\u884c\u5fc5\u8981\u7684\u7aef\u53e3\u3002<\/li>\n \u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\u65b9\u5f0f\uff1a<\/strong>\u751f\u6210SSH\u5bc6\u94a5\u5bf9\u5e76\u5c06\u516c\u94a5\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\uff0c\u64cd\u4f5c\u6b65\u9aa4\uff1a\n\n\u5728\u672c\u5730\u6267\u884cssh-keygen<\/code>\u751f\u6210\u5bc6\u94a5\u5bf9\u3002<\/li>\n \u4e0a\u4f20\u516c\u94a5\uff1assh-copy-id your-username@your-server-ip<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n \u5b89\u88c5Fail2Ban\u9632\u62a4\u5de5\u5177\uff1a<\/strong>\u8be5\u5de5\u5177\u4f1a\u5b9e\u65f6\u76d1\u63a7\u670d\u52a1\u5668\u65e5\u5fd7\uff0c\u5bf9\u51fa\u73b0\u6076\u610f\u884c\u4e3a\u7684IP\u5730\u5740\u6267\u884c\u5c01\u7981\u64cd\u4f5c\uff0c\u6bd4\u5982\u591a\u6b21\u767b\u5f55\u5931\u8d25\u7684\u53ef\u7591IP\u3002<\/li>\n<\/ol>\n\u7b2c\u56db\u6b65\uff1a\u5b89\u88c5\u5fc5\u5907\u8f6f\u4ef6<\/strong><\/h2>\n\u5b8c\u6210\u670d\u52a1\u5668\u5b89\u5168\u9632\u62a4\u914d\u7f6e\u540e\uff0c\u5373\u53ef\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u573a\u666f\u5b89\u88c5\u5bf9\u5e94\u7684\u8f6f\u4ef6\u3002\u4f8b\u5982\uff0c\u642d\u5efa\u7f51\u9875\u670d\u52a1\u5668\u5c31\u9700\u8981\u5b89\u88c5\u7279\u5b9a\u7684\u8f6f\u4ef6\u6808\u3002<\/p>\n \n\u7f51\u9875\u670d\u52a1\u5668\uff1a<\/strong>\u5b89\u88c5\u5e76\u914d\u7f6eNginx\u3001Apache\u7b49\u670d\u52a1\u5668\u8f6f\u4ef6\uff0c\u7528\u4e8e\u90e8\u7f72\u7f51\u7ad9\u6216\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n \u6570\u636e\u5e93\u670d\u52a1\u5668\uff1a<\/strong>\u642d\u5efaMySQL\u6216MariaDB\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u540c\u65f6\u505a\u597droot\u8d26\u6237\u7684\u5b89\u5168\u9632\u62a4\uff0c\u5220\u9664\u533f\u540d\u7528\u6237\u3002<\/li>\n SSL\u8bc1\u4e66\uff1a<\/strong>\u5b89\u88c5SSL\/TLS\u8bc1\u4e66\uff0c\u5b9e\u73b0\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u52a0\u5bc6\u4f20\u8f93\uff0c\u53ef\u4f7f\u7528Let’s Encrypt\u8fd9\u7c7b\u5de5\u5177\u5b9e\u73b0\u8bc1\u4e66\u7684\u81ea\u52a8\u5316\u90e8\u7f72\u3002<\/li>\n<\/ul>\n\u7b2c\u4e94\u6b65\uff1a\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n\u6027\u80fd\u4f18\u5316\u80fd\u4fdd\u969c\u670d\u52a1\u5668\u9ad8\u6548\u8fd0\u884c\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u6d41\u91cf\u8bbf\u95ee\u6216\u8fd0\u884c\u8d44\u6e90\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u7684\u573a\u666f\u4e0b\uff0c\u4f18\u5316\u64cd\u4f5c\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n \n\u5f00\u542f\u7f13\u5b58\u529f\u80fd\uff1a<\/strong>\u4f7f\u7528Redis\u3001Memcached\u7b49\u7f13\u5b58\u5de5\u5177\uff0c\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\uff0c\u63d0\u5347\u670d\u52a1\u5668\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n \u6570\u636e\u5e93\u4f18\u5316\uff1a<\/strong>\u5b9a\u671f\u5206\u6790\u5e76\u8c03\u4f18\u6570\u636e\u5e93\u67e5\u8be2\u8bed\u53e5\uff0c\u63d0\u5347\u6570\u636e\u5e93\u8fd0\u884c\u6027\u80fd\u3002<\/li>\n \u8d44\u6e90\u76d1\u63a7\uff1a<\/strong>\u5b89\u88c5\u76d1\u63a7\u5de5\u5177\uff0c\u5b9e\u65f6\u8ffd\u8e2aCPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5b9e\u73b0\u670d\u52a1\u5668\u7684\u4e3b\u52a8\u8fd0\u7ef4\u3002<\/li>\n<\/ul>\n\u7b2c\u516d\u6b65\uff1a\u65e5\u5e38\u7ef4\u62a4\u4e0e\u6301\u7eed\u76d1\u63a7<\/strong><\/h2>\n\u8981\u4fdd\u969c\u670d\u52a1\u5668\u7684\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\uff0c\u5c31\u9700\u8981\u505a\u597d\u65e5\u5e38\u7ef4\u62a4\u548c\u6301\u7eed\u76d1\u63a7\u3002\u642d\u5efa\u81ea\u52a8\u5316\u5907\u4efd\u673a\u5236\u3001\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u3001\u8bbe\u7f6e\u8d44\u6e90\u544a\u8b66\uff0c\u624d\u80fd\u9632\u60a3\u4e8e\u672a\u7136\uff0c\u53ca\u65f6\u89e3\u51b3\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n 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