curl發出請求的檔案fake_ip.php:
代碼
代碼如下 |
複製代碼 |
<?php $ch = curl_init(); $url = "http://localhost/target_ip.php"; $header = array( 'CLIENT-IP:58.68.44.61', 'X-FORWARDED-FOR:58.68.44.61', ); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_RETURNTRANSFER,true); $page_content = curl_exec($ch); curl_close($ch); echo $page_content; ?> 請求的目標檔案target_ip.php:
代碼 <?php echo getenv('HTTP_CLIENT_IP'); echo getenv('HTTP_X_FORWARDED_FOR'); echo getenv('REMOTE_ADDR'); ?> |
目標檔案target_ip裡面的IP列印順序是目前很多開源系統的IP擷取順序
訪問fake_ip.php,看到結果:
58.68.44.61
58.68.44.61
127.0.0.1
執行個體
CURL確實很強悍,可以偽造IP和來源。
1.php 請求 2.php 。
代碼如下 |
複製代碼 |
1.php代碼: $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://localhost/2.php"); curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:8.8.8.8', 'CLIENT-IP:8.8.8.8')); //構造IP curl_setopt($ch, CURLOPT_REFERER, "http://www.111cn.net/ "); //構造來路 curl_setopt($ch, CURLOPT_HEADER, 1); $out = curl_exec($ch); curl_close($ch); 2.php代碼如下: function getClientIp() { if (!empty($_SERVER["HTTP_CLIENT_IP"])) $ip = $_SERVER["HTTP_CLIENT_IP"]; else if (!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) $ip = $_SERVER["HTTP_X_FORWARDED_FOR"]; else if (!empty($_SERVER["REMOTE_ADDR"])) $ip = $_SERVER["REMOTE_ADDR"]; else $ip = "err"; return $ip; } echo "IP: " . getClientIp() . ""; echo "referer: " . $_SERVER["HTTP_REFERER"]; |
偽造成功,這是不是給“刷票”的朋友提供了很好的換IP的方案!!