PHP 404伪装

<?php
function GetCurUrl()
{
        if(!empty($_SERVER["REQUEST_URI"]))
        {
                $scriptName = $_SERVER["REQUEST_URI"];
                $nowurl = $scriptName;
        }
        else
        {
                $scriptName = $_SERVER["PHP_SELF"];
                if(empty($_SERVER["QUERY_STRING"]))
                {
                        $nowurl = $scriptName;
                }
                else
                {
                        $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
                }
        }
        return $nowurl;
}

echo "<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL ".GetCurUrl()." was not found on this server.</p>
</body></html>";
header('HTTP/1.1 404 Not Found');
die;

PHP脚本，用来达到某些地步，隐藏文件或者限制某些人访问。

404目录伪装。

黑白名单限制，都明白是干什么的了把。让抓样本狗痛苦去把。