postcommon_post_deny_by_rbl.php

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<?php

class protector_postcommon_post_deny_by_rbl extends ProtectorFilterAbstract {

        function execute()
        {
                // RBL servers (don't enable too many servers)
                $rbls = array(
                        'sbl-xbl.spamhaus.org' ,
#                       'niku.2ch.net' ,
#                       'list.dsbl.org' ,
#                       'bl.spamcop.net' ,
#                       'all.rbl.jp' ,
#                       'opm.blitzed.org' ,
#                       'bsb.empty.us' ,
#                       'bsb.spamlookup.net' ,
                ) ;
        
                global $xoopsUser ;
        
                $rev_ip = implode( '.' , array_reverse( explode( '.' , @$_SERVER['REMOTE_ADDR'] ) ) ) ;
        
                foreach( $rbls as $rbl ) {
                        $host = $rev_ip . '.' . $rbl ;
                        if( gethostbyname( $host ) != $host ) {
                                $this->protector->message .= "DENY by $rbl\n" ;
                                $uid = is_object( $xoopsUser ) ? $xoopsUser->getVar('uid') : 0 ;
                                $this->protector->output_log( 'RBL SPAM' , $uid , false , 128 ) ;
                                die( _MD_PROTECTOR_DENYBYRBL ) ;
                        }
                }
                
                return true ;
        }

}

?>