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#!rst
======================
Simple Virtual-Hosting
======================
------------------------
Module: mod_simple_vhost
------------------------
.. contents:: Table of Contents
Description
===========
Simple assumption:
Every virtual host is in a directory below a base directory in a path that
is the same as the name of the vhost. Below this vhost path might be an
extra directory which is the document root of the vhost.
The document root for each vhost is built from three values:
- server-root
- hostname
- document-root
The complete document root is constructed either by ::
server-root + hostname + document-root
or if this path does not exist by ::
server-root + default-host + document-root
A small example should make this idea clear: ::
/var/www/
/var/www/logs/
/var/www/servers/
/var/www/servers/example.org/
/var/www/servers/example.org/lib/
/var/www/servers/example.org/pages/
/var/www/servers/mail.example.org/
/var/www/servers/mail.example.org/lib/
/var/www/servers/mail.example.org/pages/
simple-vhost.server-root = "/var/www/servers/"
simple-vhost.default-host = "example.org"
simple-vhost.document-root = "pages"
You can use symbolic links to map several hostnames to the same directory.
Conditionals vs. simple-vhost
-----------------------------
You have to keep in mind that conditionals and simple-vhost interfere
with one another. ::
simple-vhost.server-root = "/var/www/servers/"
simple-vhost.default-host = "example.org"
simple-vhost.document-root = "pages"
$HTTP["host"] == "news.example.org" {
server.document-root = "/var/www/servers/news2.example.org/pages/"
}
When ``news.example.org`` is requested, the ``server.document-root``
will be set to ``/var/www/servers/news2.example.org/pages/``, but
simple-vhost will overwrite it shortly afterwards.
If ``/var/www/servers/news.example.org/pages/`` exists, that will be
used. If not, ``/var/www/servers/example.org/pages/`` will be taken
because it is the default.
To use conditionals together with simple-vhost, you should do this: ::
$HTTP["host"] != "news.example.org" {
simple-vhost.server-root = "/var/www/servers/"
simple-vhost.default-host = "example.org"
simple-vhost.document-root = "pages"
}
$HTTP["host"] == "news.example.org" {
server.document-root = "/var/www/servers/news2.example.org/pages/"
}
It will enable simple vhosting for all hosts other than ``news.example.org``.
Options
=======
simple-vhost.server-root
root of the virtual host
simple-vhost.default-host
use this hostname if the requested hostname does not have its own directory
simple-vhost.document-root
path below the vhost directory
Tips
=======
Make sure mod_simple_vhost is the first mod in 'server.modules' list,when you are using mod_simple_vhost with mod_cache and mod_proxy.
You can configure a virtual host with multiple domain names by using 'or' syntax such as: ::
$HTTP["host"] =~ "^(hosta\.example\.org|hosta\.example\.net)$" {
... virtualhost configuration here ...
}
WWW
=======
You do not need to use two entries for foobar.com and www.foobar.com. The following syntax will act as a catch all for both foobar.com and www.foobar.com: ::
$HTTP["host"] =~ "(^|\.)foobar\.com$" {
...
}
(Doesn't work for you? If you're not running on the default port, $HTTP["host"] will have the port number appended and the above reg-ex won't match it, since the trailing "$" means "the-string-ends-this-way".)
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