PHP用CURL偽造IP和來源

閱讀原文：http://yzswyl.cn/blread-1540.html

1.php代碼：

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://localhost/2.php");
curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:8.8.8.8', 'CLIENT-IP:8.8.8.8'));//IP
curl_setopt($ch, CURLOPT_REFERER, "http://www.yzswyl.cn/ ");   //來路
curl_setopt($ch, CURLOPT_HEADER, 1);
$out = curl_exec($ch);
curl_close($ch);

2.php代碼：

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"];

用1.php 請求 2.php，輸出結果：

IP：8.8.8.8  referer:http://www.yzswyl.cn/

偽造成功，這是不是給采集的朋友提供了很好的換IP的方案！！當然防被刷的朋友也要注意了！