📄 security.inc.php
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<?php
/*
[DISCUZ!] include/security.inc.php - attack protection module
This is NOT a freeware, use is subject to license terms
Version: 4.0.0
Web: http://www.comsenz.com
Copyright: 2001-2005 Comsenz Technology Ltd.
Last Modified: 2004/1/25 08:42
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
if($attackevasive == 1 || $attackevasive == 3) {
dsetcookie('lastrequest', time(), 0, 0);
if(time() - $_COOKIE['lastrequest'] < 2) {
?>
<html>
<head>
<title>Refresh Limitation Enabled</title>
</head>
<body bgcolor="#FFFFFF">
<script language="JavaScript">
function reload() {
document.location.reload();
}
setTimeout("reload()", 2001);
</script>
<table cellpadding="0" cellspacing="0" border="0" width="700" align="center" height="85%">
<tr align="center" valign="middle">
<td>
<table cellpadding="10" cellspacing="0" border="0" width="80%" align="center" style="font-family: Verdana, Tahoma; color: #666666; font-size: 11px">
<tr>
<td valign="middle" align="center" bgcolor="#EBEBEB">
<br><b style="font-size: 16px">Refresh Limitation Enabled</b>
<br><br>The time between your two requests is smaller than 2 seconds, please do NOT refresh and wait for automatical forwarding ...
<br><br>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>
<?
exit();
}
}
if(($attackevasive == 2 || $attackevasive == 3) && ($_SERVER['HTTP_X_FORWARDED_FOR'] ||
$_SERVER['HTTP_VIA'] || $_SERVER['HTTP_PROXY_CONNECTION'] ||
$_SERVER['HTTP_USER_AGENT_VIA'] || $_SERVER['HTTP_CACHE_CONTROL'] ||
$_SERVER['HTTP_CACHE_INFO'] || $_SERVER['HTTP_PROXY_CONNECTION'])) {
?>
<html>
<head>
<title>Proxy Connection Denied</title>
</head>
<body bgcolor="#FFFFFF">
<table cellpadding="0" cellspacing="0" border="0" width="700" align="center" height="85%">
<tr align="center" valign="middle">
<td>
<table cellpadding="10" cellspacing="0" border="0" width="80%" align="center" style="font-family: Verdana, Tahoma; color: #666666; font-size: 11px">
<tr>
<td valign="middle" align="center" bgcolor="#EBEBEB">
<br><b style="font-size: 16px">Proxy Connection Denied</b>
<br><br>Your request was forbidden due to the administrator has set to deny all proxy connection.
<br><br>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>
<?
exit();
}
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