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 Topic: Dynamic DocumentRoot for Sub-Domains with RewriteEngine |
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| Author |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7443
Location: EU, Germany, Next to Hamburg
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 Posted: Tue 08 Jul '08 12:13 Post subject: Dynamic DocumentRoot for Sub-Domains with RewriteEngine |
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Dynamic DocumentRoot for Sub-Domains with RewriteEngine/RewriteCond/RewriteRule
If you have plenty of sub-domains and every subdomain routes in another directory on the server, it's annoying to add every subdomain to the apache.conf (httpd.conf) file.
This can be done dynamically.
| Code: |
DocumentRoot c:/webhosts/
[...]
<VirtualHost *>
ServerAlias www.yourdomain.com
ServerName www.yourdomain.com
RewriteEngine on
RewriteCond %{HTTP_HOST} ^yourdomain.com
RewriteRule ^(.*)$ /www/$1 [L]
RewriteCond %{HTTP_HOST} ^www.*
RewriteRule ^(.*)$ /www/$1 [L]
RewriteCond %{HTTP_HOST} ^(.*)\.yourdomain\.com
RewriteRule ^(.*)$ /%1/$1 [L]
</VirtualHost>
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As you can see, the DocumentRoot is c:/webhosts/. This is the directory where all other sub-directories for the sub-domains are located.
We use the RewriteEngine to decide which directory we want. The first RewriteCond is to route the domain without any sub-domain into the www directory. The second RewriteCond demonstrates how the third RewriteCond works with any subdomain.
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