织梦网站如何防止DDos攻击

如何防止dede网站DDos被攻击;第一步：进入后台，系统-》添加新变量变量名称：cfg_anquan_cc

变量类型：布尔(Y/N)

参数说明：是否开启防CC攻击：

变量值：Y 第二步：编辑，/member/config.php 在require_once(DEDEINC.'/dedetemplate.class.php');下添加代码

if($cfg_anquan_cc == 'Y'){//php防CC攻击 在3秒内连续刷新页面5次以上将指向本机 http://www.dede58.com/404.htm$P_S_T = $t_array[0] + $t_array[1];$timest amp = time();session_start();$ll_nowtime = $timestamp ;if (session_is_registered('ll_lasttime')){$ll_lasttime = $_SESSION['ll_lasttime'];$ll_times = $_SESSION['ll_times'] + 1;$_SESSION['ll_times'] = $ll_times;}else{$ll_lasttime = $ll_nowtime;$ll_times = 1;$_SESSION['ll_times'] = $ll_times;$_SESSION['ll_lasttime'] = $ll_lasttime;}if (($ll_nowtime - $ll_lasttime)<3){if ($ll_times>=5){header(sprintf("Location: %s",'http://www.dede58.com/404.htm'));exit;}}else{$ll_times = 0;$_SESSION['ll_lasttime'] = $ll_nowtime;$_SESSION['ll_times'] = $ll_times;}}