Location: PHPKode > scripts > Rapid Access Protection > PHP RAP/rap.php
<?php
 
/*
MiniApps PHP Rapid Access Protection (RAP)
Disallows end users from rapidly accessing your website.
Licensed under the GNU General Public License (GPL).
See README.txt for instructions.
*/

$cookie = $_COOKIE['yourcookie'];
$othercookie = $_COOKIE['yourothercookie'];

if($cookie && $othercookie > 0) $iptime = 20;  // Minimum number of seconds between visits for users with certain cookie
else $iptime = 10; // Minimum number of seconds between visits for everyone else

$ippenalty = 60; // Seconds before visitor is allowed back

if($cookie && $othercookie > 0)$ipmaxvisit = 30; // Maximum visits, per $iptime segment
else $ipmaxvisit = 20; // Maximum visits per $iptime segment

$iplogdir = "./iplog/";
$iplogfile = "iplog.dat";

$ipfile = substr(md5($_SERVER["REMOTE_ADDR"]), -2);
$oldtime = 0;
if (file_exists($iplogdir.$ipfile)) $oldtime = filemtime($iplogdir.$ipfile);

$time = time();
if ($oldtime < $time) $oldtime = $time;
$newtime = $oldtime + $iptime;

if ($newtime >= $time + $iptime*$ipmaxvisit)
{
touch($iplogdir.$ipfile, $time + $iptime*($ipmaxvisit-1) + $ippenalty);
$oldref = $_SERVER['HTTP_REFERER'];
header("HTTP/1.0 503 Service Temporarily Unavailable");
header("Connection: close");
header("Content-Type: text/html");
echo "<html><body bgcolor=#999999 text=#ffffff link=#ffff00>
<font face='Verdana, Arial'><p><b>
<h1>Temporary Access Denial</h1>Too many quick page views by your IP address (more than ".$ipmaxvisit." visits within ".$iptime." seconds).</b>
";
echo "<br />Please wait ".$ippenalty." seconds and reload.</p></font></body></html>";
touch($iplogdir.$iplogfile); //create if not existing
$fp = fopen($iplogdir.$iplogfile, "a");
$yourdomain = $_SERVER['HTTP_HOST'];
	if ($fp)
	{
	$useragent = "<unknown user agent>";
	if (isset($_SERVER["HTTP_USER_AGENT"])) $useragent = $_SERVER["HTTP_USER_AGENT"];
	fputs($fp, $_SERVER["REMOTE_ADDR"]." ".date("d/m/Y H:i:s")." ".$useragent."\n");
	fclose($fp);
	$yourdomain = $_SERVER['HTTP_HOST'];
	
	//the @ symbol before @mail means 'supress errors' so you wont see errors on the page if email fails.
if($_SESSION['reportedflood'] < 1 && ($newtime < $time + $iptime + $iptime*$ipmaxvisit))
	@mail('webmaster@'.$yourdomain, 'site flooded by '.$cookie.' '
	.$_SERVER['REMOTE_ADDR'],'http://'.$yourdomain.' rapid website access flood occured and ban for IP '.$_SERVER['REMOTE_ADDR'].' at http://'.$yourdomain.$_SERVER['REQUEST_URI'].' from '.$oldref.' agent '.$_SERVER['HTTP_USER_AGENT'].' '
	.$cookie.' '.$othercookie, "From: ".$yourdomain."\n");
	$_SESSION['reportedflood'] = 1;
	}
	exit();
}
else $_SESSION['reportedflood'] = 0;

//echo("loaded ".$cookie.$iplogdir.$iplogfile.$ipfile.$newtime);
touch($iplogdir.$ipfile, $newtime); //this just updates the IP file access date or creates a new file if it doesn't exist in /iplog
?>
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