{"id":50274,"date":"2024-10-08T11:12:15","date_gmt":"2024-10-08T03:12:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50274\/"},"modified":"2024-10-08T11:12:15","modified_gmt":"2024-10-08T03:12:15","slug":"nginx-%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%ef%bc%9a%e5%af%a6%e7%8f%be%e6%89%80%e6%9c%89%e7%94%a8%e6%88%b6%e8%bc%b8%e5%85%a5%e7%9a%84%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%ab%af%e9%a9%97%e8%ad%89-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50274\/","title":{"rendered":"Nginx \u5b89\u5168\u7b56\u7565\uff1a\u5be6\u73fe\u6240\u6709\u7528\u6236\u8f38\u5165\u7684\u4f3a\u670d\u5668\u7aef\u9a57\u8b49"},"content":{"rendered":"

Nginx \u5b89\u5168\u7b56\u7565\uff1a\u5be6\u73fe\u6240\u6709\u7528\u6236\u8f38\u5165\u7684\u4f3a\u670d\u5668\u7aef\u9a57\u8b49<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u7db2\u7ad9\u5b89\u5168\u6027\u5df2\u6210\u70ba\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u9996\u8981\u4efb\u52d9\u3002Nginx \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u7db2\u9801\u4f3a\u670d\u5668\u548c\u53cd\u5411\u4ee3\u7406\u4f3a\u670d\u5668\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b89\u5168\u7b56\u7565\u4f86\u4fdd\u8b77\u4f3a\u670d\u5668\u548c\u7528\u6236\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Nginx \u4e2d\u5be6\u73fe\u6240\u6709\u7528\u6236\u8f38\u5165\u7684\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\uff0c\u4ee5\u589e\u5f37\u7db2\u7ad9\u7684\u5b89\u5168\u6027\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\uff1f<\/h2>\n

\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u662f\u6307\u5728\u4f3a\u670d\u5668\u4e0a\u5c0d\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u9032\u884c\u6aa2\u67e5\u548c\u9a57\u8b49\u3002\u9019\u4e00\u904e\u7a0b\u53ef\u4ee5\u9632\u6b62\u5404\u7a2e\u653b\u64ca\uff0c\u4f8b\u5982 SQL \u6ce8\u5165\u3001\u8de8\u7ad9\u8173\u672c\uff08XSS\uff09\u548c\u5176\u4ed6\u5f62\u5f0f\u7684\u6578\u64da\u7be1\u6539\u3002\u5373\u4f7f\u5ba2\u6236\u7aef\u9a57\u8b49\u5931\u6557\uff0c\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u4ecd\u7136\u80fd\u5920\u63d0\u4f9b\u984d\u5916\u7684\u5b89\u5168\u5c64\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n

Nginx \u7684\u57fa\u672c\u914d\u7f6e<\/h2>\n

\u5728 Nginx \u4e2d\uff0c\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u901a\u5e38\u6d89\u53ca\u5230\u914d\u7f6e Nginx \u7684\u53cd\u5411\u4ee3\u7406\u529f\u80fd\uff0c\u4e26\u7d50\u5408\u61c9\u7528\u5c64\u7684\u9a57\u8b49\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684 Nginx \u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n

server {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        proxy_pass http:\/\/backend_server;\n        proxy_set_header Host $host;\n        proxy_set_header X-Real-IP $remote_addr;\n        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n    }\n}<\/code><\/pre>\n
\u5728\u9019\u500b\u914d\u7f6e\u4e2d\uff0cNginx \u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5f8c\u7aef\u4f3a\u670d\u5668\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5728\u5f8c\u7aef\u4f3a\u670d\u5668\u4e2d\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u3002<\/p>\n
\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u9a57\u8b49<\/h2>\n
\u5728\u5f8c\u7aef\u4f3a\u670d\u5668\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u4f86\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u7684\u4e00\u500b\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n
<?php\nif ($_SERVER[\"REQUEST_METHOD\"] == \"POST\") {\n    $input = $_POST['user_input'];\n\n    \/\/ \u9a57\u8b49\u8f38\u5165\n    if (empty($input)) {\n        echo \"\u8f38\u5165\u4e0d\u80fd\u70ba\u7a7a\";\n    } elseif (!preg_match(\"\/^[a-zA-Z0-9]*$\/\", $input)) {\n        echo \"\u8f38\u5165\u53ea\u80fd\u5305\u542b\u5b57\u6bcd\u548c\u6578\u5b57\";\n    } else {\n        \/\/ \u8655\u7406\u6709\u6548\u8f38\u5165\n        echo \"\u6709\u6548\u8f38\u5165: \" . htmlspecialchars($input);\n    }\n}\n?><\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u6aa2\u67e5\u7528\u6236\u8f38\u5165\u662f\u5426\u70ba\u7a7a\uff0c\u4e26\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u78ba\u4fdd\u8f38\u5165\u53ea\u5305\u542b\u5b57\u6bcd\u548c\u6578\u5b57\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u4e0d\u5b89\u5168\u7684\u6578\u64da\u9032\u5165\u7cfb\u7d71\u3002<\/p>\n
\u4f7f\u7528 Nginx \u7684\u5b89\u5168\u6a21\u584a<\/h2>\n
Nginx \u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5b89\u5168\u6a21\u584a\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 ngx_http_rewrite_module<\/code> \u53ef\u4ee5\u5c0d\u8acb\u6c42\u9032\u884c\u91cd\u5beb\u548c\u904e\u6ffe\uff0c\u5f9e\u800c\u963b\u6b62\u53ef\u7591\u7684\u8acb\u6c42\u3002<\/p>\n
location \/ {\n    if ($request_uri ~* \"(..|%2E%2E)\") {\n        return 403;\n    }\n}<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u6703\u6aa2\u67e5\u8acb\u6c42 URI \u4e2d\u662f\u5426\u5305\u542b\u4e0a\u5c64\u76ee\u9304\u7684\u8a2a\u554f\uff0c\u4e26\u8fd4\u56de 403 \u932f\u8aa4\uff0c\u5f9e\u800c\u9632\u6b62\u6f5b\u5728\u7684\u76ee\u9304\u904d\u6b77\u653b\u64ca\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728 Nginx \u4e2d\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\u662f\u4fdd\u8b77\u7db2\u7ad9\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u6b63\u78ba\u914d\u7f6e Nginx \u548c\u5f8c\u7aef\u4f3a\u670d\u5668\u7684\u9a57\u8b49\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u5404\u7a2e\u7db2\u7d61\u653b\u64ca\uff0c\u4fdd\u8b77\u7528\u6236\u6578\u64da\u7684\u5b89\u5168\u3002\u96a8\u8457\u7db2\u7d61\u5b89\u5168\u5a01\u8105\u7684\u65e5\u76ca\u589e\u52a0\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u4e0d\u65b7\u66f4\u65b0\u548c\u52a0\u5f37\u5176\u5b89\u5168\u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u7db2\u7ad9\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc \u9999\u6e2f VPS<\/a> \u548c\u4f3a\u670d\u5668\u5b89\u5168\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 Nginx \u5b89\u5168\u7b56\u7565\uff0c\u78ba\u4fdd\u6240\u6709\u7528\u6236\u8f38\u5165\u7d93\u904e\u4f3a\u670d\u5668\u7aef\u9a57\u8b49\uff0c\u63d0\u5347\u7db2\u7ad9\u5b89\u5168\u6027\u8207\u9632\u8b77\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-50274","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=50274"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50274\/revisions"}],"predecessor-version":[{"id":50275,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50274\/revisions\/50275"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}