如何用PHP和curl伪造IP及header实现长尾关键词查询？
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本文共计304个文字，预计阅读时间需要2分钟。
curl虽然功能强大，但只能伪造$SERVER['HTTP_X_FORWARDED_FOR']。对于大量IP地址的检测程序来说，$SERVER['REMOTE_ADDR']很难被伪造：首先，是client.php的代码，01+$headers['CLIENT-IP']='202.103.229.40'; 02。
curl虽然功能强大，但是只能伪造$_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
01 $headers['CLIENT-IP'] ='202.103.229.40'; 02 $headers['X-FORWARDED-FOR'] ='202.103.229.40'; 03 04 $headerArr=array(); 05 foreach($headersas$n=>$v) { 06 $headerArr[] =$n.':'.$v; 07 } 08 09 ob_start(); 10 $ch= curl_init(); 11 curl_setopt ($ch, CURLOPT_URL,"localhost/curl/server.php"); 12 curl_setopt ($ch, CURLOPT_HTTPHEADER ,$headerArr);//构造IP 13 curl_setopt ($ch, CURLOPT_REFERER,"www.163.com/"); //构造来路 14 curl_setopt($ch, CURLOPT_HEADER, 1); 15 16 curl_exec($ch); 17 curl_close ($ch); 18 $out= ob_get_contents(); 19 ob_clean(); 20 21 echo$out;然后是server.php
01 functionGetIP(){ 02 if(!emptyempty($_SERVER["HTTP_CLIENT_IP"])) 03 $cip=$_SERVER["HTTP_CLIENT_IP"]; 04 elseif(!emptyempty($_SERVER["HTTP_X_FORWARDED_FOR"])) 05 $cip=$_SERVER["HTTP_X_FORWARDED_FOR"]; 06 elseif(!emptyempty($_SERVER["REMOTE_ADDR"])) 07 $cip=$_SERVER["REMOTE_ADDR"]; 08 else 09 $cip="无法获取！"; 10 return$cip; 11 } 12 echo"<br>访问IP: ".GetIP()."<br>"; 13 echo"<br>访问来路: ".$_SERVER["HTTP_REFERER"];本文共计304个文字，预计阅读时间需要2分钟。
curl虽然功能强大，但只能伪造$SERVER['HTTP_X_FORWARDED_FOR']。对于大量IP地址的检测程序来说，$SERVER['REMOTE_ADDR']很难被伪造：首先，是client.php的代码，01+$headers['CLIENT-IP']='202.103.229.40'; 02。
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
01 $headers['CLIENT-IP'] ='202.103.229.40'; 02 $headers['X-FORWARDED-FOR'] ='202.103.229.40'; 03 04 $headerArr=array(); 05 foreach($headersas$n=>$v) { 06 $headerArr[] =$n.':'.$v; 07 } 08 09 ob_start(); 10 $ch= curl_init(); 11 curl_setopt ($ch, CURLOPT_URL,"localhost/curl/server.php"); 12 curl_setopt ($ch, CURLOPT_HTTPHEADER ,$headerArr);//构造IP 13 curl_setopt ($ch, CURLOPT_REFERER,"www.163.com/"); //构造来路 14 curl_setopt($ch, CURLOPT_HEADER, 1); 15 16 curl_exec($ch); 17 curl_close ($ch); 18 $out= ob_get_contents(); 19 ob_clean(); 20 21 echo$out;然后是server.php
01 functionGetIP(){ 02 if(!emptyempty($_SERVER["HTTP_CLIENT_IP"])) 03 $cip=$_SERVER["HTTP_CLIENT_IP"]; 04 elseif(!emptyempty($_SERVER["HTTP_X_FORWARDED_FOR"])) 05 $cip=$_SERVER["HTTP_X_FORWARDED_FOR"]; 06 elseif(!emptyempty($_SERVER["REMOTE_ADDR"])) 07 $cip=$_SERVER["REMOTE_ADDR"]; 08 else 09 $cip="无法获取！"; 10 return$cip; 11 } 12 echo"<br>访问IP: ".GetIP()."<br>"; 13 echo"<br>访问来路: ".$_SERVER["HTTP_REFERER"];