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发表于 2017-11-14 17:12:07
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来自 中国–河南–新乡
现在很多的网站都是使用CDN加速,但是使用之后会造成无法获取访客真实IP,本文以360CDN为例,介绍一下解决办法:
打开文件:\source\class\discuz\discuz_application.php
找到代码:
- private function _get_client_ip() {
- $ip = $_SERVER['REMOTE_ADDR'];
- if (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
- $ip = $_SERVER['HTTP_CLIENT_IP'];
- } elseif(isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
- foreach ($matches[0] AS $xip) {
- if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) {
- $ip = $xip;
- break;
- }
- }
- }
- return $ip;
- }
复制代码
修改为:
- private function _get_client_ip() {
- $ip = $_SERVER['REMOTE_ADDR'];
- if (isset($_SERVER['X-Forwarded-For']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['X-Forwarded-For'])) {
- $ip = $_SERVER['X-Forwarded-For'];
- }elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
- $ip = $_SERVER['HTTP_CLIENT_IP'];
- } elseif(isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
- foreach ($matches[0] AS $xip) {
- if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) {
- $ip = $xip;
- break;
- }
- }
- }
- return $ip;
- }
复制代码
这里的X-Forwarded-For就是360CDN包含访客真实ip的头信息,如果使用的是其他家的CDN,查阅其帮助文件或咨询客服,将上面的X-Forwarded-For改成对应的就行了;
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