subdomain creation by htaccess

hi , i am trying to redirect
http://someone.mydomain.com to http://mydomain.com/publisher.php?pb=someone
i dont have that much idea about .htaccess file what i did is like this :

RewriteEngine on
RewriteCond %{HTTP_HOST} ^(.*)\.mydomain\.com [NC]
RewriteRule .* /publisher.php?pb=$1 [L]

and when i type http://someone.mydomain.com its giving me server not found can anyone help me ? please ..

 

If you're trying to redirect, you can use PHP
<?PHP
header("Location: http://mydomain.com/publisher.php?pb=someone");
?>
Set that page as 404 and it should work

 

hello

first need enable wild card dns

add this entrie in domain.com.db in /var/named

* IN CNAME @

after this add entrie in httpd.conf
under your virtual host
ServerAlias *.domainname.com

now the server answer all subdomains request and use the htaccess to redirect

Best