Created
October 18, 2010 10:07
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/** | |
* 将下面代码,放入程序入口处,对cc攻击有一定的抵御作用 | |
* author:donwa | |
*/ | |
//字符串"abcd" 和 客户ip 进行md5;"abce"为安全码,可自行修改 | |
$ccsec = md5("abcd".(($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"])); | |
//如果不存在cookie不正确,发送cookie,并退出程序,不继续执行 | |
if($_COOKIE['ccsec'] != $ccsec){ | |
setcookie("ccsec", $ccsec); | |
header("Location: "."http://".$_SERVER ['HTTP_HOST'].$_SERVER['PHP_SELF']); | |
//echo '<meta http-equiv="refresh" content="1">'; | |
exit(); | |
} |
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