\u96d6\u7136 Nginx \u63d0\u4f9b\u4f3a\u670d\u5668\u7d1a\u5225\u7684 IP \u904e\u6ffe\uff0c\u4f46\u5728 PHP \u61c9\u7528\u7a0b\u5f0f\u4e2d\u5be6\u65bd\u6aa2\u67e5\u53ef\u4ee5\u589e\u52a0\u984d\u5916\u7684\u5b89\u5168\u5c64\u548c\u9748\u6d3b\u6027\u3002\u4ee5\u4e0b\u662f\u6f14\u793a IP \u6aa2\u67e5\u7684 PHP \u8173\u672c\u7bc4\u4f8b\uff1a<\/p>\n

<?php\r\nfunction checkIP($ip) {\r\n    $allowed_ips = array(\r\n        '203.0.113.0\/24',  \/\/ \u9999\u6e2f IP \u7bc4\u570d\r\n        '198.51.100.0\/24'  \/\/ \u53e6\u4e00\u500b\u5141\u8a31\u7684\u7bc4\u570d\r\n    );\r\n\r\n    foreach ($allowed_ips as $range) {\r\n        if (ip_in_range($ip, $range)) {\r\n            return true;\r\n        }\r\n    }\r\n    return false;\r\n}\r\n\r\nfunction ip_in_range($ip, $range) {\r\n    list($range, $netmask) = explode('\/', $range, 2);\r\n    $range_decimal = ip2long($range);\r\n    $ip_decimal = ip2long($ip);\r\n    $wildcard_decimal = pow(2, (32 - $netmask)) - 1;\r\n    $netmask_decimal = ~ $wildcard_decimal;\r\n    return (($ip_decimal & $netmask_decimal) == ($range_decimal & $netmask_decimal));\r\n}\r\n\r\n$client_ip = $_SERVER['REMOTE_ADDR'];\r\nif (!checkIP($client_ip)) {\r\n    header(\"HTTP\/1.1 403 Forbidden\");\r\n    exit(\"\u62d2\u7d55\u5b58\u53d6\");\r\n}\r\n\r\n\/\/ \u60a8\u7684\u4e3b\u8981\u61c9\u7528\u7a0b\u5f0f\u4ee3\u78bc\u7e7c\u7e8c\u5728\u9019\u88e1\r\n?>\r\n<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u7684\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u4e0a\u5be6\u65bd IP \u6aa2\u67e5\u6642\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n
\n
\u5b9a\u671f\u66f4\u65b0\u60a8\u7684\u5141\u8a31 IP \u5217\u8868\uff0c\u4ee5\u9069\u61c9\u7528\u6236\u7fa4\u6216\u7db2\u8def\u7d50\u69cb\u7684\u8b8a\u5316\u3002<\/li>\n
\u5c0d\u5141\u8a31\u548c\u62d2\u7d55\u7684\u8acb\u6c42\u5be6\u65bd\u65e5\u8a8c\u8a18\u9304\uff0c\u4ee5\u76e3\u63a7\u5b58\u53d6\u6a21\u5f0f\u3002<\/li>\n
\u8003\u616e\u4f7f\u7528\u5728\u9999\u6e2f\u6d41\u884c\u7684\u5167\u5bb9\u5206\u767c\u7db2\u8def\uff08CDN\uff09\uff0c\u4e26\u76f8\u61c9\u8abf\u6574\u60a8\u7684 IP \u6aa2\u67e5\u3002<\/li>\n
\u78ba\u4fdd\u9075\u5b88\u9999\u6e2f\u7576\u5730\u6709\u95dc\u8cc7\u6599\u96b1\u79c1\u548c\u5b58\u53d6\u63a7\u5236\u7684\u6cd5\u898f\u3002<\/li>\n<\/ol>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u5e38\u898b\u554f\u984c\u6392\u67e5<\/strong><\/h2>\n
\u5982\u679c\u5728\u5be6\u65bd IP \u6aa2\u67e5\u5f8c\u9047\u5230\u554f\u984c\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6392\u9664\u6545\u969c\u6b65\u9a5f\uff1a<\/p>\n
\n
\u9a57\u8b49 Nginx \u914d\u7f6e\u8a9e\u6cd5\uff1anginx -t<\/code><\/li>\n
\u6aa2\u67e5 Nginx \u932f\u8aa4\u65e5\u8a8c\uff1atail -f \/var\/log\/nginx\/error.log<\/code><\/li>\n
\u78ba\u4fdd PHP \u8173\u672c\u6b0a\u9650\u6b63\u78ba<\/li>\n
\u4f7f\u7528\u5df2\u77e5\u7684\u5141\u8a31\u548c\u4e0d\u5141\u8a31\u7684 IP \u9032\u884c\u6e2c\u8a66<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u70ba\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u7684 Nginx PHP \u61c9\u7528\u7a0b\u5f0f\u5be6\u65bd IP \u4f4d\u5740\u6aa2\u67e5\u662f\u589e\u5f37\u6574\u9ad4\u5b89\u5168\u614b\u52e2\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u900f\u904e\u7d50\u5408\u4f3a\u670d\u5668\u7d1a\u5225\u7684 Nginx \u914d\u7f6e\u548c\u61c9\u7528\u7a0b\u5f0f\u7d1a\u5225\u7684 PHP \u6aa2\u67e5\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5f37\u5927\u7684\u9632\u79a6\u7cfb\u7d71\uff0c\u62b5\u79a6\u672a\u7d93\u6388\u6b0a\u7684\u5b58\u53d6\u548c\u6f5b\u5728\u7684\u653b\u64ca\u3002\u8acb\u8a18\u4f4f\u5b9a\u671f\u5be9\u67e5\u548c\u66f4\u65b0\u60a8\u7684 IP \u898f\u5247\uff0c\u4ee5\u5728\u9999\u6e2f\u52d5\u614b\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\u4fdd\u6301\u6700\u4f73\u7684\u5b89\u5168\u6027\u80fd\u3002<\/p>\n
\u96a8\u8457\u79d1\u6280\u4e16\u754c\u7684\u4e0d\u65b7\u767c\u5c55\uff0c\u5728\u5b89\u5168\u63aa\u65bd\u65b9\u9762\u4fdd\u6301\u9818\u5148\u5c0d\u9999\u6e2f\u7684\u4efb\u4f55\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u63d0\u4f9b\u5546\u4f86\u8aaa\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u900f\u904e\u5be6\u65bd\u9019\u4e9b IP \u4f4d\u5740\u6aa2\u67e5\uff0c\u60a8\u4e0d\u50c5\u4fdd\u8b77\u4e86\u81ea\u5df1\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u9084\u78ba\u4fdd\u70ba\u7af6\u722d\u6fc0\u70c8\u7684\u9999\u6e2f\u4f3a\u670d\u5668\u5e02\u5834\u4e2d\u7684\u5ba2\u6236\u63d0\u4f9b\u66f4\u5b89\u5168\u3001\u66f4\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":16799,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[3903,3904,2277,1892,259],"class_list":["post-16805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-ip-address-check-tc","tag-php-tc","tag-nginx-tc","tag-server-hosting-tc","tag-259"],"acf":[],"yoast_head":"\n