{"id":184092,"date":"2024-05-08T22:00:19","date_gmt":"2024-05-08T14:00:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/184092.html"},"modified":"2024-05-08T22:00:26","modified_gmt":"2024-05-08T14:00:26","slug":"%e6%80%8e%e6%a0%b7%e8%8e%b7%e5%8f%96php%e7%94%a8%e6%88%b7%e5%ae%a2%e6%88%b7%e7%ab%af%e7%9c%9f%e5%ae%9eip","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/184092.html","title":{"rendered":"\u600e\u6837\u83b7\u53d6PHP\u7528\u6237\u5ba2\u6237\u7aef\u771f\u5b9eIP"},"content":{"rendered":"

\"\u600e\u6837\u83b7\u53d6PHP\u7528\u6237\u5ba2\u6237\u7aef\u771f\u5b9eIP\"<\/p>\n

\u83b7\u53d6PHP\u7528\u6237\u5ba2\u6237\u7aef\u771f\u5b9eIP\u7684\u65b9\u6cd5\u901a\u5e38\u4f9d\u8d56\u4e8e\u8bfb\u53d6\u7531\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u53d1\u9001\u7684HTTP\u5934\u4fe1\u606f\u3002\u4f7f\u7528PHP\u65f6\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528$_SERVER['REMOTE_ADDR']<\/code>\u3001\u901a\u8fc7\u68c0\u6d4b\u53cd\u5411\u4ee3\u7406\u6dfb\u52a0\u7684HTTP\u5934\uff08\u5982X-Forwarded-For<\/code>\u6216X-Real-IP<\/code>\uff09\u7b49\u3002\u5efa\u8bae\u9996\u5148\u68c0\u6d4bHTTP\u5934\u4e2d\u7684X-Forwarded-For<\/code>\u548cX-Real-IP<\/code>\u5b57\u6bb5<\/strong>\uff0c\u4ee5\u9002\u5e94\u90a3\u4e9b\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u73af\u5883\u3002\u4f8b\u5982\uff0c\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c$_SERVER['REMOTE_ADDR']<\/code>\u53ef\u80fd\u8fd4\u56de\u7684\u662f\u4ee3\u7406\u670d\u52a1\u5668\u7684IP\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u7684\u5ba2\u6237\u7aefIP\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u68c0\u6d4bX-Forwarded-For<\/code>\u5934<\/strong><\/h2>\n

X-Forwarded-For<\/code>\u662f\u4e00\u4e2aHTTP\u6269\u5c55\u5934\u90e8\u5b57\u6bb5\uff0c\u7528\u4e8e\u6807\u8bc6\u901a\u8fc7HTTP\u4ee3\u7406\u6216\u8d1f\u8f7d\u5747\u8861\u65b9\u5f0f\u8fde\u63a5\u5230web\u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u7684\u539f\u59cbIP\u5730\u5740\u3002\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u7a7f\u8fc7\u4ee3\u7406\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u65f6\uff0c\u8fd9\u4e9b\u4e2d\u95f4\u4ef6\u4f1a\u5728\u8bf7\u6c42\u4e2d\u6dfb\u52a0\u8be5\u5b57\u6bb5\u3002\u8981\u83b7\u53d6\u771f\u5b9e\u7684\u5ba2\u6237\u7aefIP\uff0c\u8bf7\u6309\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n

1.1 \u7406\u89e3X-Forwarded-For<\/code><\/h2>\n<\/p>\n

\u5b58\u5728\u4e8eHTTP\u5934\u4e2d\u7684X-Forwarded-For<\/code>\u53ef\u80fd\u5305\u542b\u591a\u4e2aIP\u5730\u5740\uff0c\u8fd9\u901a\u5e38\u610f\u5473\u7740\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u9014\u4e2d\u7ecf\u8fc7\u4e86\u591a\u4e2a\u4ee3\u7406\u3002IP\u5730\u5740\u901a\u5e38\u6309\u7167\u8bf7\u6c42\u7ecf\u8fc7\u7684\u4ee3\u7406\u987a\u5e8f\u6392\u5217\uff0c\u6700\u521d\u59cb\u7684\u5ba2\u6237\u7aefIP\u4f4d\u4e8e\u5b57\u7b26\u4e32\u7684\u6700\u5de6\u7aef\u3002<\/p>\n<\/p>\n

1.2 \u89e3\u6790X-Forwarded-For<\/code><\/h2>\n<\/p>\n

\u5982\u9700\u63d0\u53d6\u771f\u5b9e\u5ba2\u6237\u7aefIP\uff0c\u60a8\u9700\u8981\u7f16\u5199\u4ee3\u7801\u6765\u89e3\u6790\u5e76\u83b7\u53d6X-Forwarded-For<\/code>\u5934\u4e2d\u7684\u7b2c\u4e00\u4e2aIP\u5730\u5740\u3002\u4f46\u662f\u8bf7\u7279\u522b\u6ce8\u610f\u5b89\u5168\u95ee\u9898\uff0c\u4e0d\u76f4\u63a5\u4fe1\u4efb\u83b7\u53d6\u5230\u7684IP\uff0c\u56e0\u4e3aX-Forwarded-For<\/code>\u53ef\u4ee5\u88ab\u4f2a\u9020\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u68c0\u6d4bX-Real-IP<\/code>\u5934<\/strong><\/h2>\n

\u5bf9\u4e8e\u4e00\u4e9b\u4f7f\u7528Nginx\u7b49\u53cd\u5411\u4ee3\u7406\u8f6f\u4ef6\u7684\u914d\u7f6e\uff0c\u53ef\u80fd\u4f1a\u4f7f\u7528X-Real-IP<\/code>\u5934\u6765\u4f20\u9012\u5ba2\u6237\u7aef\u7684\u539f\u59cbIP\u3002\u4e0eX-Forwarded-For<\/code>\u7c7b\u4f3c\uff0c\u68c0\u6d4b\u5e76\u63d0\u53d6\u8fd9\u4e00\u5934\u90e8\u4fe1\u606f\u4e5f\u662f\u5b9e\u73b0IP\u83b7\u53d6\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

2.1 \u7406\u89e3X-Real-IP<\/code><\/h2>\n<\/p>\n

X-Real-IP<\/code>\u4e0eX-Forwarded-For<\/code>\u4e0d\u540c\u7684\u5730\u65b9\u5728\u4e8e\uff0c\u5b83\u901a\u5e38\u53ea\u5305\u542b\u4e00\u4e2aIP\u5730\u5740\u3002\u8fd9\u4e2a\u5730\u5740\u5e94\u8be5\u53cd\u6620\u4e86\u53d1\u8d77\u8bf7\u6c42\u7684\u5ba2\u6237\u7aef\u7684\u771f\u5b9eIP\u3002<\/p>\n<\/p>\n

2.2 \u83b7\u53d6\u548c\u9a8c\u8bc1X-Real-IP<\/code><\/h2>\n<\/p>\n

\u89e3\u6790X-Real-IP<\/code>\u8f83\u4e3a\u7b80\u5355\uff0c\u53ea\u9700\u8bfb\u53d6\u8fd9\u4e00HTTP\u5934\u90e8\u5b57\u6bb5\u5373\u53ef\u3002\u9a8c\u8bc1\u5176\u771f\u5b9e\u6027\u65f6\uff0c\u4e5f\u9700\u6ce8\u610f\u53ef\u80fd\u5b58\u5728\u7684IP\u4f2a\u9020\u95ee\u9898\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u4f7f\u7528$_SERVER['REMOTE_ADDR']<\/code><\/strong><\/h2>\n

\u5bf9\u4e8e\u6ca1\u6709\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u7684\u76f4\u63a5\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c$_SERVER['REMOTE_ADDR']<\/code>\u5c06\u63d0\u4f9b\u5ba2\u6237\u7aefIP\u5730\u5740\u3002\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u8fd9\u662f\u83b7\u53d6\u5ba2\u6237\u7aefIP\u5730\u5740\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

3.1 \u7406\u89e3$_SERVER['REMOTE_ADDR']<\/code><\/h2>\n<\/p>\n

\u5f53PHP\u811a\u672c\u6267\u884c\u65f6\uff0c$_SERVER['REMOTE_ADDR']<\/code>\u5b58\u50a8\u7740\u53d1\u8d77\u8bf7\u6c42\u7684\u5ba2\u6237\u7aefIP\u5730\u5740\uff0c\u8fd9\u4e00\u4fe1\u606f\u7531\u670d\u52a1\u5668\u7aef\u81ea\u52a8\u751f\u6210\uff0c\u4e0d\u4f1a\u88ab\u5ba2\u6237\u7aef\u63a7\u5236\u3002<\/p>\n<\/p>\n

3.2 \u5e94\u7528$_SERVER['REMOTE_ADDR']<\/code><\/h2>\n<\/p>\n

\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e2a\u53d8\u91cf\u901a\u5e38\u53ef\u4ee5\u83b7\u53d6\u5230\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u3002\u7136\u800c\uff0c\u5f53\u5b58\u5728HTTP\u4ee3\u7406\u65f6\uff0c\u8fd9\u4e2a\u503c\u53ef\u80fd\u662f\u4ee3\u7406\u670d\u52a1\u5668\u7684IP\u800c\u975e\u5ba2\u6237\u7aef\u539f\u59cbIP\u3002<\/p>\n<\/p>\n

\u56db\u3001\u7ed3\u5408\u65b9\u6cd5\u7684\u7efc\u5408\u89e3\u51b3\u65b9\u6848<\/strong><\/h2>\n

\u4e3a\u4e86\u9002\u5e94\u4e0d\u540c\u7684\u7f51\u7edc\u73af\u5883\u5e76\u83b7\u5f97\u5c3d\u53ef\u80fd\u51c6\u786e\u7684\u5ba2\u6237\u7aefIP\u5730\u5740\uff0c\u5efa\u8bae\u7ec4\u5408\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u5e76\u52a0\u5165\u5fc5\u8981\u7684\u5b89\u5168\u6027\u68c0\u67e5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n

function getRealClientIp() {<\/p>\n
    $headers = array(<\/p>\n
        'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP', 'REMOTE_ADDR'<\/p>\n
    );<\/p>\n
    foreach ($headers as $header) {<\/p>\n
        if (!empty($_SERVER[$header])) {<\/p>\n
            \/\/ \u5206\u5272`X-Forwarded-For`\u4e2d\u7684\u591a\u4e2aIP\u5730\u5740\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09<\/p>\n
            $ipList = explode(',', $_SERVER[$header]);<\/p>\n
            foreach ($ipList as $ip) {<\/p>\n
                \/\/ \u53bb\u9664\u7a7a\u683c\u5e76\u9a8c\u8bc1\u6bcf\u4e2aIP\u5730\u5740\u7684\u6709\u6548\u6027<\/p>\n
                $ip = trim($ip);<\/p>\n
                if (filter_var($ip, FILTER_VALIDATE_IP)) {<\/p>\n
                    return $ip;<\/p>\n
                }<\/p>\n
            }<\/p>\n
        }<\/p>\n
    }<\/p>\n
    return 'UNKNOWN';<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be5\u4ee3\u7801\u5c1d\u8bd5\u83b7\u53d6X-Forwarded-For<\/code>\u5934\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6709\u6548IP\u5730\u5740\uff0c\u5982\u679c\u6ca1\u6709\u627e\u5230\uff0c\u5219\u68c0\u67e5X-Real-IP<\/code>\uff0c\u6700\u540e\u56de\u9000\u5230REMOTE_ADDR<\/code>\u3002\u6bcf\u4e2aIP\u5730\u5740\u90fd\u7ecf\u8fc7\u4e86\u6709\u6548\u6027\u9a8c\u8bc1\uff0c\u4ee5\u9632\u6b62IP\u4f2a\u9020\u3002<\/p>\n<\/p>\n
\u4e3a\u4e86\u4fdd\u8bc1\u83b7\u53d6\u5230\u7684IP\u5730\u5740\u5c3d\u53ef\u80fd\u7684\u771f\u5b9e\u53ef\u9760\uff0c\u60a8\u8fd8\u9700\u8981\u638c\u63e1\u53cd\u5411\u4ee3\u7406\u6216\u7f51\u7edc\u914d\u7f6e\u4e2d\u8bbe\u7f6e\u6b63\u786e\u7684IP\u4f20\u9012\u7b56\u7565<\/strong>\u3002\u4f8b\u5982\u5728Nginx\u6216Apache\u4e2d\u914d\u7f6e\u76f8\u5e94\u7684\u6a21\u5757\u6765\u786e\u4fdd\u6b63\u786e\u7684IP\u5730\u5740\u88ab\u4f20\u9012\u548c\u8bb0\u5f55\u3002<\/p>\n<\/p>\n
\u5728\u8fd0\u7528\u4ee5\u4e0a\u65b9\u6cd5\u65f6\uff0c\u91cd\u8981\u7684\u8fd8\u6709\u4e00\u4e2a\u73af\u8282\u7531\u4e8e\u662f\u5728\u670d\u52a1\u5668\u7aef\u8fdb\u884cIP\u5730\u5740\u7684\u83b7\u53d6\u548c\u6821\u9a8c\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u6ce8\u610f\u5b89\u5168\u9632\u62a4\u63aa\u65bd\uff0c\u907f\u514d\u88ab\u6b3a\u9a97\u6027\u7684\u5934\u4fe1\u606f\u8bef\u5bfc\u3002\u5bf9\u4e8e\u901a\u8fc7\u5ba2\u6237\u7aef\u63a7\u5236\u7684\u5934\u4fe1\u606f\u5982X-Forwarded-For<\/code>\uff0c\u4ece\u5b89\u5168\u6027\u8003\u8651\u5b9c\u4f5c\u4e3a\u6b21\u9009\u9879\uff0c\u5e76\u901a\u8fc7\u670d\u52a1\u5668\u7aef\u914d\u7f6e\u4ee5\u53ca\u5176\u4ed6\u5b89\u5168\u68c0\u9a8c\u673a\u5236\u53bb\u589e\u5f3a\u5176\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
1. \u5982\u4f55\u5728PHP\u4e2d\u83b7\u53d6\u7528\u6237\u5ba2\u6237\u7aef\u7684\u771f\u5b9eIP\u5730\u5740\uff1f<\/strong><\/p>\n
\u83b7\u53d6\u7528\u6237\u5ba2\u6237\u7aef\u7684\u771f\u5b9eIP\u5730\u5740\u5bf9\u4e8e\u7f51\u7ad9\u5f00\u53d1\u6765\u8bf4\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u7528\u6237\u5206\u6790\u3001\u7edf\u8ba1\u548c\u5b89\u5168\u9632\u62a4\u7b49\u3002\u5728PHP\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u6765\u83b7\u53d6\u7528\u6237\u5ba2\u6237\u7aef\u7684\u771f\u5b9eIP\u5730\u5740\uff1a<\/p>\n
    \n
  • \n
    \u4f7f\u7528 $_SERVER['REMOTE_ADDR']<\/code>\uff1a\u8fd9\u662fPHP\u7684\u8d85\u5168\u5c40\u53d8\u91cf\uff0c\u5b83\u53ef\u4ee5\u83b7\u53d6\u5230\u7528\u6237\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684IP\u5730\u5740\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e2a\u53d8\u91cf\u6709\u65f6\u53ef\u80fd\u4f1a\u8fd4\u56de\u4ee3\u7406\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u800c\u4e0d\u662f\u7528\u6237\u771f\u5b9e\u7684IP\u5730\u5740\u3002<\/p>\n<\/li>\n
  • \n
    \u4f7f\u7528 $_SERVER['HTTP_X_FORWARDED_FOR']<\/code>\uff1a\u8fd9\u4e2a\u53d8\u91cf\u4e3b\u8981\u7528\u4e8e\u68c0\u6d4b\u662f\u5426\u4f7f\u7528\u4e86\u4ee3\u7406\u670d\u52a1\u5668\u3002\u5982\u679c\u7528\u6237\u5ba2\u6237\u7aef\u4f7f\u7528\u4e86\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u53d8\u91cf\u83b7\u53d6\u5230\u7528\u6237\u771f\u5b9e\u7684IP\u5730\u5740\u3002<\/p>\n<\/li>\n<\/ul>\n
    2. \u867d\u7136\u6211\u4f7f\u7528\u4e86\u65b9\u6cd5\u6765\u83b7\u53d6\u7528\u6237\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\uff0c\u4f46\u662f\u83b7\u53d6\u5230\u7684\u5374\u662f\u4ee3\u7406\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u6709\u4ec0\u4e48\u89e3\u51b3\u65b9\u6cd5\u5417\uff1f<\/strong><\/p>\n
    \u5982\u679c\u4f60\u5728\u83b7\u53d6\u7528\u6237\u5ba2\u6237\u7aefIP\u5730\u5740\u65f6\u9047\u5230\u4e86\u4ee3\u7406\u670d\u52a1\u5668\u7684IP\u5730\u5740\u800c\u4e0d\u662f\u7528\u6237\u771f\u5b9e\u7684IP\u5730\u5740\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n
      \n
    • \n
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    • \n
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      3. \u9664\u4e86\u4f7f\u7528PHP\u83b7\u53d6\u7528\u6237\u7684\u771f\u5b9eIP\u5730\u5740\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\u5417\uff1f<\/strong><\/p>\n
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        \n
      • \n
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      • \n
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