s

프록시도 탐지하는 IP검증 및 차단 소스

· 2013-03-24 (일) 10:38:04 · 6248
<?php
function checkSecurity()
{
$list = "ban.txt";
$deny = array();
$fo = fopen($list, "r");
$str = fread($fo, filesize($list));
fclose($fo);
$str = str_replace(",","_",$str);
$ary = explode("_",$str);
for($i=0; $i < count($ary); $i++)
{
$deny[] = $ary[$i];
}
if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
foreach($deny as $ip) {
if(eregi($ip,$_SERVER['REMOTE_ADDR'])) {
die("## your ip banned!");
}
}
if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
banIP($_SERVER['HTTP_X_FORWARDED_FOR']);
}
}
function banIP($ip){
$list = "ban.txt";
if($_SERVER['HTTP_X_FORWARDED_FOR']) $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
$ip = explode(".",$ip);
$ip = $ip[0].".".$ip[1].".".$ip[2].".*"; //아이피 끝대역 차단
$fo = fopen($list, "a");
fwrite($fo, $ip. ",");
fclose($fo);
die("## hacking detected :)");
}
//탐지하기
checkSecurity();

//banIP($_SERVER['REMOTE_ADDR']); - 트리거시 아이피 밴
?>
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