php curl 伪造IP来源 示例
php curl 太强大了,它不但可以模仿用户登录,还可以模仿用户IP地址哦,为伪造IP来源。
curl发出请求的文件fake_ip.php:
$ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://localhost/2.php"); curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:8.8.8.8', 'CLIENT-IP:8.8.8.8')); //构造IP www.jbxue.comcurl_setopt($ch, CURLOPT_REFERER, "http://www.jb51.net/ "); //构造来路 curl_setopt($ch, CURLOPT_HEADER, 1); $out = curl_exec($ch); curl_close($ch);
function getClientIp() { if (!empty($_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 = $_SERVER["REMOTE_ADDR"]; else // www.jbxue.com$ip = "err"; return $ip; } echo "IP: " . getClientIp() . ""; echo "referer: " . $_SERVER["HTTP_REFERER"];
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