Bonjour 
Alors voici le contenu du vhost :
[code]<VirtualHost *:80>
DocumentRoot /www/mon-site-internet.com/htdocs
ServerName www.mon-site-internet.com
ServerAlias admin.mon-site-internet.com
ServerAlias test.mon-site-internet.com
ErrorLog /www/mon-site-internet.com/logs/error.log
LogLevel warn
CustomLog /www/mon-site-internet.com/logs/access.log combined
ServerSignature Off
<Directory /www/mon-site-internet.com/htdocs>
Allow from all
Options FollowSymLinks
AllowOverride None
</Directory>
<IfModule mod_php5.c>
php_admin_flag safe_mode Off
php_admin_value register_globals 0
php_value magic_quotes_gpc 0
php_value magic_quotes_runtime 0
php_value allow_call_time_pass_reference 0
</IfModule>
DirectoryIndex index.php
<IfModule mod_rewrite.c>
RewriteEngine On
Rewriterule ^/extension/admin2pp/share/icons/crystal-admin-opt43/.* - [L]
RewriteRule ^/([^/]+/)?content/treemenu.* /index_treemenu.php [L]
RewriteRule ^/var/([^/]+/)?storage/.* - [L]
RewriteRule ^/var/([^/]+/)?cache/(texttoimage|ezhumancaptcha|public)/.* - [L]
RewriteRule ^/design/[^/]+/(stylesheets|images|javascript)/.* - [L]
RewriteRule ^/share/icons/.* - [L]
RewriteRule ^/extension/[^/]+/design/[^/]+/(stylesheets|fonts|flash|images|lib|javascripts?)/.* - [L]
RewriteRule ^/packages/styles/.+/(stylesheets|images|javascript)/[^/]+/.* - [L]
RewriteRule ^/packages/styles/.+/thumbnail/.* - [L]
RewriteRule ^/var/storage/packages/.* - [L]
RewriteRule ^/title/.* - [L]
# Makes it possible to place your favicon at the root of your
# eZ Publish instance. It will then be served directly.
RewriteRule ^/favicon\.ico - [L]
# Uncomment the line below if you want you favicon be served from the standard design.
# You can customize the path to favicon.ico by replacing design/standard/images/favicon.ico
# by the adequate path.
#RewriteRule ^/favicon\.ico /design/standard/images/favicon\.ico [L]
RewriteRule ^/design/standard/images/favicon\.ico - [L]
# Give direct access to robots.txt for use by crawlers (Google, Bing, Spammers..)
RewriteRule ^/robots\.txt - [L]
# Platform for Privacy Preferences Project ( P3P ) related files for Internet Explorer
# More info here : http://en.wikipedia.org/wiki/P3p
RewriteRule ^/w3c/p3p\.xml - [L]
# Uncomment the following lines when using popup style debug.
# RewriteRule ^/var/cache/debug\.html.* - [L]
# RewriteRule ^/var/[^/]+/cache/debug\.html.* - [L]
#RewriteRule ^/fr/(*)$ /index\.php$1
RewriteRule ^/fr/(.*)$ /$1 [QSA,L,R=301,NC]
RewriteRule /index.php/fr / [QSA,L,R=301,NC]
RewriteRule ^/index.php/fr/(.*)$ /$1 [QSA,L,R=301,NC]
RewriteRule .* /index\.php
</IfModule>
[/code]
Je précise que le nom de domaine est composé de 3 mots séparés par le tiret - (hyphen), au cas où ce serait la source du problème, mais j’en doute car j’ai déjà des sites configurés ainsi…