PHP之curl伪造IP地址和header信息代码

2015-05-10  来源:互联网  

这篇文章主要介绍了PHP之curl伪造IP地址和header信息代码实例,需要的朋友可以参考下。

curl虽然功能强大,但是只能伪造$_SERVER["HTTP_X_FORWARDED_FOR"],对于大多数IP地址检测程序来说,$_SERVER["REMOTE_ADDR"]很难被伪造:

首先是client.php的代码:

$headers['CLIENT-IP'] = '202.103.229.40';  
$headers['X-FORWARDED-FOR'] = '202.103.229.40'; 
 
$headerArr = array();  
foreach( $headers as $n => $v ) {  
    $headerArr[] = $n .':' . $v;   
}
 
ob_start();
$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, "http://localhost/curl/server.php");
curl_setopt ($ch, CURLOPT_HTTPHEADER , $headerArr );  //构造IP
curl_setopt ($ch, CURLOPT_REFERER, "http://www.163.com/ ");   //构造来路
curl_setopt( $ch, CURLOPT_HEADER, 1); 
curl_exec($ch);
curl_close ($ch);
$out = ob_get_contents();
ob_clean(); 
echo $out;

然后是server.php:

function GetIP(){
    if(!emptyempty($_SERVER["HTTP_CLIENT_IP"]))
        $cip = $_SERVER["HTTP_CLIENT_IP"];
    else if(!emptyempty($_SERVER["HTTP_X_FORWARDED_FOR"]))
        $cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
    else if(!emptyempty($_SERVER["REMOTE_ADDR"]))
        $cip = $_SERVER["REMOTE_ADDR"];
    else
    $cip = "无法获取!";
    return $cip;
}
echo "<br>访问IP: ".GetIP()."<br>";
echo "<br>访问来路: ".$_SERVER["HTTP_REFERER"];
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