Your IP : 216.73.216.218
<?php
/**
* @package RSFirewall!
* @copyright (c) 2009 - 2020 RSJoomla!
* @link https://www.rsjoomla.com
* @license GNU General Public License http://www.gnu.org/licenses/gpl-3.0.en.html
*/
defined('_JEXEC') or die('Restricted access');
class RSFirewallSpamCheck {
protected $resolver;
protected $ip;
protected $dnsbls = array('dnsbl.tornevall.org', 'sbl-xbl.spamhaus.org');
protected $interpreter = array(
'dnsbl.tornevall.org' => array(
'64' => 'IP marked as "abusive host"'
),
'sbl-xbl.spamhaus.org' => array(
'2' => 'Direct UBE sources, spam operations & spam services',
'3' => 'Direct snowshoe spam sources detected via automation',
'4' => 'CBL (3rd party exploits such as proxies, trojans, etc.)',
'5' => 'CBL (3rd party exploits such as proxies, trojans, etc.)',
'6' => 'CBL (3rd party exploits such as proxies, trojans, etc.)',
'7' => 'CBL (3rd party exploits such as proxies, trojans, etc.)'
)
);
public function __construct($ip) {
try {
require_once dirname(__FILE__).'/ip/ip.php';
// Check if the IP is IPv4 compatible
$ipClass = new RSFirewallIP($ip);
if ($ipClass->version != 4) {
return false;
}
$this->ip = $ip;
require_once dirname(__FILE__).'/Net/DNS2.php';
$this->resolver = new Net_DNS2_Resolver(array(
'nameservers' => array(
'208.67.222.222', '208.67.220.220', // Open DNS
'8.26.56.26', '8.20.247.20', // Comodo Secure DNS
'37.235.1.174', '37.235.1.177' // Free DNS
),
'timeout' => 2
));
} catch (Exception $e) {
return false;
}
return true;
}
public function isListed() {
// The resolver could not be initialized - can't check so assuming IP is safe.
if (!$this->resolver) {
return false;
}
// Get the reverse IP
$reverseip = implode('.', array_reverse(explode('.', $this->ip)));
// Loop through DNSBL lists
foreach ($this->dnsbls as $dnsbl) {
try {
$result = $this->resolver->query($reverseip.'.'.$dnsbl, 'A');
if ($result && isset($result->answer[0]->address)) {
// Start parsing the result
$parts = explode('.', $result->answer[0]->address);
// Get the last bit of the address
$bit = end($parts);
if (isset($this->interpreter[$dnsbl][$bit])) {
return (object) array(
'dnsbl' => $dnsbl,
'reason' => $this->interpreter[$dnsbl][$bit]
);
}
}
} catch (Net_DNS2_Exception $e) {
continue;
}
}
return false;
}
}