{"id":50573,"date":"2024-10-08T12:11:15","date_gmt":"2024-10-08T04:11:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50573\/"},"modified":"2024-10-08T12:11:15","modified_gmt":"2024-10-08T04:11:15","slug":"nginx-%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%ef%bc%9a%e5%af%a6%e7%8f%be%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%ab%af%e8%ab%8b%e6%b1%82%e5%81%bd%e9%80%a0%ef%bc%88ssrf%ef%bc%89%e4%bf%9d%e8%ad%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50573\/","title":{"rendered":"Nginx \u5b89\u5168\u7b56\u7565\uff1a\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u8acb\u6c42\u507d\u9020\uff08SSRF\uff09\u4fdd\u8b77"},"content":{"rendered":"

Nginx \u5b89\u5168\u7b56\u7565\uff1a\u5be6\u73fe\u4f3a\u670d\u5668\u7aef\u8acb\u6c42\u507d\u9020\uff08SSRF\uff09\u4fdd\u8b77<\/h1>\n

\u4f3a\u670d\u5668\u7aef\u8acb\u6c42\u507d\u9020\uff08SSRF\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u5411\u5167\u90e8\u7cfb\u7d71\u767c\u9001\u8acb\u6c42\uff0c\u5f9e\u800c\u7372\u53d6\u654f\u611f\u4fe1\u606f\u6216\u57f7\u884c\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u624b\u6cd5\u7684\u65e5\u76ca\u8907\u96dc\uff0c\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7SSRF\u653b\u64ca\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\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\u4e00\u4e9b\u5b89\u5168\u7b56\u7565\u4f86\u9632\u7bc4\u9019\u985e\u653b\u64ca\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Nginx\u5be6\u73feSSRF\u4fdd\u8b77\u3002<\/p>\n

\u4ec0\u9ebc\u662fSSRF\uff1f<\/h2>\n

SSRF\u662f\u4e00\u7a2e\u653b\u64ca\u65b9\u5f0f\uff0c\u653b\u64ca\u8005\u901a\u904e\u4f3a\u670d\u5668\u767c\u9001\u8acb\u6c42\u5230\u5167\u90e8\u7db2\u7d61\u6216\u5176\u4ed6\u5916\u90e8\u670d\u52d9\u3002\u9019\u7a2e\u653b\u64ca\u901a\u5e38\u5229\u7528\u61c9\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u5716\u7247\u52a0\u8f09\u6216API\u8acb\u6c42\uff0c\u4f86\u767c\u9001\u8acb\u6c42\u3002\u6210\u529f\u7684SSRF\u653b\u64ca\u53ef\u80fd\u5c0e\u81f4\u654f\u611f\u6578\u64da\u6d29\u9732\u3001\u5167\u90e8\u670d\u52d9\u88ab\u653b\u64ca\u6216\u5176\u4ed6\u5b89\u5168\u554f\u984c\u3002<\/p>\n

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

\u5728Nginx\u4e2d\uff0c\u914d\u7f6e\u6b63\u78ba\u7684\u8acb\u6c42\u8655\u7406\u662f\u9632\u7bc4SSRF\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n

server {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        proxy_pass http:\/\/backend_service;\n        proxy_set_header Host $host;\n        proxy_set_header X-Real-IP $remote_addr;\n        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n    }\n}<\/code><\/pre>\n
\u5728\u9019\u500b\u914d\u7f6e\u4e2d\uff0cNginx\u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5f8c\u7aef\u670d\u52d9\u3002\u70ba\u4e86\u9632\u6b62SSRF\uff0c\u61c9\u78ba\u4fdd\u5f8c\u7aef\u670d\u52d9\u4e0d\u6703\u63a5\u53d7\u4f86\u81ea\u4e0d\u53d7\u4fe1\u4efb\u7684\u4f86\u6e90\u7684\u8acb\u6c42\u3002<\/p>\n
\u9650\u5236\u5167\u90e8\u8acb\u6c42<\/h2>\n
\u70ba\u4e86\u9632\u6b62SSRF\u653b\u64ca\uff0cNginx\u53ef\u4ee5\u901a\u904e\u9650\u5236\u5167\u90e8\u8acb\u6c42\u4f86\u589e\u5f37\u5b89\u5168\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\u4f86\u9650\u5236\u8acb\u6c42\u7684IP\u7bc4\u570d\uff1a<\/p>\n
location \/ {\n    deny 127.0.0.1;  # \u7981\u6b62\u672c\u5730\u8acb\u6c42\n    deny 192.168.0.0\/16;  # \u7981\u6b62\u5167\u90e8\u7db2\u7d61\u8acb\u6c42\n    allow all;  # \u5141\u8a31\u5176\u4ed6\u8acb\u6c42\n}<\/code><\/pre>\n
\u9019\u6a23\u7684\u914d\u7f6e\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u4f86\u81ea\u5167\u90e8\u7db2\u7d61\u7684\u8acb\u6c42\uff0c\u964d\u4f4eSSRF\u653b\u64ca\u7684\u98a8\u96aa\u3002<\/p>\n
\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u904e\u6ffe\u8acb\u6c42<\/h2>\n
Nginx\u9084\u53ef\u4ee5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u904e\u6ffe\u8acb\u6c42\uff0c\u9019\u6a23\u53ef\u4ee5\u9032\u4e00\u6b65\u589e\u5f37\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\u4f86\u9650\u5236\u8acb\u6c42\u7684URL\uff1a<\/p>\n
location \/ {\n    if ($request_uri ~* \"^\/internal\/\") {\n        return 403;  # \u7981\u6b62\u8a2a\u554f\u5167\u90e8\u8def\u5f91\n    }\n}<\/code><\/pre>\n
\u9019\u6a23\u7684\u914d\u7f6e\u53ef\u4ee5\u9632\u6b62\u653b\u64ca\u8005\u901a\u904e\u7279\u5b9a\u7684URL\u8def\u5f91\u767c\u8d77SSRF\u653b\u64ca\u3002<\/p>\n
\u65e5\u8a8c\u76e3\u63a7\u8207\u8b66\u5831<\/h2>\n
\u9664\u4e86\u914d\u7f6eNginx\u4ee5\u9632\u7bc4SSRF\u653b\u64ca\uff0c\u9084\u61c9\u5b9a\u671f\u6aa2\u67e5\u65e5\u8a8c\u4ee5\u767c\u73fe\u53ef\u7591\u6d3b\u52d5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\u4f86\u555f\u7528\u65e5\u8a8c\uff1a<\/p>\n
http {\n    log_format main '$remote_addr - $remote_user [$time_local] \"$request\" '\n                    '$status $body_bytes_sent \"$http_referer\" '\n                    '\"$http_user_agent\" \"$http_x_forwarded_for\"';\n\n    access_log \/var\/log\/nginx\/access.log main;\n}<\/code><\/pre>\n
\u901a\u904e\u5206\u6790\u65e5\u8a8c\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684SSRF\u653b\u64ca\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
SSRF\u662f\u4e00\u7a2e\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u914d\u7f6eNginx\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9019\u7a2e\u653b\u64ca\u7684\u98a8\u96aa\u3002\u9650\u5236\u5167\u90e8\u8acb\u6c42\u3001\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u904e\u6ffe\u8acb\u6c42\u4ee5\u53ca\u65e5\u8a8c\u76e3\u63a7\u90fd\u662f\u9632\u7bc4SSRF\u7684\u91cd\u8981\u7b56\u7565\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u61c9\u7528\uff0c\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u5b89\u5168\u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u9999\u6e2fVPS<\/a><\/em>\u548c\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728 Nginx \u4e2d\u5be6\u73fe\u5b89\u5168\u7b56\u7565\uff0c\u4ee5\u9632\u6b62\u4f3a\u670d\u5668\u7aef\u8acb\u6c42\u507d\u9020\uff08SSRF\uff09\u653b\u64ca\uff0c\u4fdd\u8b77\u60a8\u7684\u4f3a\u670d\u5668\u5b89\u5168\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-50573","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50573","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=50573"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50573\/revisions"}],"predecessor-version":[{"id":50574,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50573\/revisions\/50574"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}