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How to prevent dede website DDos from being attacked?
Step one: Enter the background, system-》Add new variable Variable name: cfg_anquan_cc
Recommended learning: 梦Weavercms
Variable type: Boolean (Y/N)
Parameter description: Whether to enable CC attack prevention:
Variable value: Y
Step 2: Edit, /member/config .php Add code under require_once(DEDEINC.'/dedetemplate.class.php');
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 //www.jb51.net/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",'//www.jb51.net/404.htm')); exit; } }else{ $ll_times = 0; $_SESSION['ll_lasttime'] = $ll_nowtime; $_SESSION['ll_times'] = $ll_times; } }
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