做了CDN获取用户真实IP的函数代码(PHP与Asp设置方式)

asp函数代码

代码如下:
function checkip(checkstring)'用正则判断IP是否合法
dim re1
set re1=new RegExp
re1.pattern=”^[0-9]{1,3}.[0-9]{1,3}$”
re1.global=false
re1.Ignorecase=false
checkip=re1.test(checkstring)
set re1=nothing
end function

function get_cli_ip()'取真实IP函数,先 HTTP_CLIENT_IP 再 HTTP_X_FORWARDED_FOR 再 REMOTE_ADDR
dim client_ip
if checkip(Request.ServerVariables(”HTTP_CLIENT_IP”))=true then
get_cli_ip = checkip(Request.ServerVariables(”HTTP_CLIENT_IP”))
else
MyArray = split(Request.ServerVariables(”HTTP_X_FORWARDED_FOR”),”,”)
if ubound(MyArray)>=0 then
client_ip = trim(MyArray(0))
if checkip(client_ip)=true then
get_cli_ip = client_ip
exit function
end if
end if
get_cli_ip = Request.ServerVariables(”REMOTE_ADDR”)
end if
end function

discuz论坛取真实IP的PHP代码,其它类似,请参考稍做修改

(discuz修改include/common.inc.PHP)
用以下这段代码:

代码如下:
if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'),'unkNown')) {
$onlineip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'),

'unkNown')) {

$testip = explode('.',getenv('HTTP_X_FORWARDED_FOR'));

if ($testip[0]=='192′ && $testip[1]=='168′) {
$onlineip = getenv('REMOTE_ADDR');
}
elseif($testip[0]=='10′) {
$onlineip = getenv('REMOTE_ADDR');
}
else {
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
}

//gamesir hack end} elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'),

'unkNown')) {
$onlineip = getenv('REMOTE_ADDR');
} elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER

['REMOTE_ADDR'],'unkNown')) {
//by Johnny
$tmp_ip = explode(',',$_SERVER['HTTP_X_FORWARDED_FOR']);
$tmp_ip1 = explode(',$tmp_ip[0]);
if ($tmp_ip1[0] =='192′ && $tmp_ip1[1] =='168′) {
$onlineip = getenv('REMOTE_ADDR');
}else if($tmp_ip1[0]=='10′) {
$onlineip = getenv('REMOTE_ADDR');
}
else{
$onlineip = $tmp_ip[0];
}
unset($tmp_ip);unset($tmp_ip1);

}

替换这段代码:

代码如下:
if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'),

'unkNown')) {
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'),'unkNown')) {
$onlineip = getenv('REMOTE_ADDR');
} elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER

['REMOTE_ADDR'],'unkNown')) {
$onlineip = $_SERVER['REMOTE_ADDR'];
}

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