test.php文件
	  
		|  代码如下 | 
		复制代码 | 
	  
	  
		| 
 
ob_start(); 
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, "http://www.*xx**x.cn/test/test2.php"); 
curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:1.1.1.1', 'CLIENT-IP:2.2.2.2'));  //伪造IP 
curl_setopt($ch, CURLOPT_REFERER, "https://www.111cn.net/ ");   //伪造来源网址 
curl_setopt($ch, CURLOPT_HEADER, 1); 
curl_exec($ch); 
curl_close($ch); 
$out = ob_get_contents(); 
ob_clean(); 
echo $out; 
?> 
 | 
	  
	
test2.php文件代码如下
	  
		|  代码如下 | 
		复制代码 | 
	  
	  
		| 
 
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() . "  HTTP_CLIENT_IP-: " . $_SERVER["HTTP_CLIENT_IP"] . "    HTTP_X_FORWARDED_FOR-: " . $_SERVER["HTTP_X_FORWARDED_FOR"] . "    REMOTE_ADDR-: " . $_SERVER["REMOTE_ADDR"] . "   "; 
echo " referer: " . $_SERVER["HTTP_REFERER"]; 
?> 
 | 
	  
	
执行结果:
HTTP/1.1 200 OK
Server: DWS/01.03Z33
Date: Mon, 09 Jun 2014 09:27:09 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
IP: 2.2.2.2  HTTP_CLIENT_IP-: 2.2.2.2    HTTP_X_FORWARDED_FOR-: 1.1.1.1    
REMOTE_ADDR-: 127.0.0.1   
referer: https://www.111cn.net/
但是暂时还无法伪造骗过:
$_SERVER["REMOTE_ADDR"]。
所以建议大家记录IP时使用$_SERVER["REMOTE_ADDR"]。