: Apache wildcard domains - Restrict number of subdomain levels I would like to setup a VirtualHost which allows for wildcard subdomains such as foo.sites.example.com and bar.sites.example.com. I

@Nimeshi995

Send all request (ServerAlias *.*.example.com) to a php file.
And redirect where you want :

$url=$_SERVER['HTTP_HOST'];

$subdomains=explode('.', $url);

$subdomains[0] : first subdomain
$subdomains[0] : second subdomain ...


You can redirect with

header('Location: '.$URL);

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@Pierce454

To restrict the use of foo.bar.sites.example.com you have to place another VirtualHost above the existing one:

<VirtualHost *:80>
ServerName foo.bar.sites.example.com
ServerAlias *.*.sites.example.com
# ....
</VirtualHost>


Now you can block or redirect the access. However it's important that you place it above the other VirtualHost since Apache always takes the first VirtualHost when multiple entries match.

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