帝国cms禁止蜘蛛抓取后台提升网站安全

代码作用

禁止蜘蛛抓取网站后台源码

<?
    $useragent = addslashes(strtolower($_SERVER['HTTP_USER_AGENT']));
    if (strpos($useragent, 'googlebot')!== false){$bot = 'Google';}
    elseif (strpos($useragent,'mediapartners-google') !== false){$bot = 'Google Adsense';}
    elseif (strpos($useragent,'baiduspider') !== false){$bot = 'Baidu';}
    elseif (strpos($useragent,'sogou spider') !== false){$bot = 'Sogou';}
    elseif (strpos($useragent,'sogou web') !== false){$bot = 'Sogou web';}
    elseif (strpos($useragent,'sosospider') !== false){$bot = 'SOSO';}
    elseif (strpos($useragent,'360spider') !== false){$bot = '360Spider';}
    elseif (strpos($useragent,'yahoo') !== false){$bot = 'Yahoo';}
    elseif (strpos($useragent,'msn') !== false){$bot = 'MSN';}
    elseif (strpos($useragent,'msnbot') !== false){$bot = 'msnbot';}
    elseif (strpos($useragent,'sohu') !== false){$bot = 'Sohu';}
    elseif (strpos($useragent,'yodaoBot') !== false){$bot = 'Yodao';}
    elseif (strpos($useragent,'twiceler') !== false){$bot = 'Twiceler';}
    elseif (strpos($useragent,'ia_archiver') !== false){$bot = 'Alexa_';}
    elseif (strpos($useragent,'iaarchiver') !== false){$bot = 'Alexa';}
    elseif (strpos($useragent,'slurp') !== false){$bot = '雅虎';}
    elseif (strpos($useragent,'spider') !== false){$bot = '其它spider蜘蛛';}
    elseif (strpos($useragent,'bot') !== false){$bot = '其它bot蜘蛛';}
    if(isset($bot)){
        header('status: 404');
        exit();
    }
?>

禁止蜘蛛抓取代码安装