Il suffit des fois de vouloir expliquer son problème et tout devient plus clair ...
Ok le problème était dans la définition de mes virtualhost
---
Config virtual host d'origine
---
NameVirtualHost localhost
<VirtualHost localhost>
DocumentRoot C:/wamp/www/
ServerName localhost
</VirtualHost>
NameVirtualHost monsite.local
<VirtualHost localhost>
DocumentRoot C:/wamp/www/monsite.local/
ServerName monsite.local
</VirtualHost>
---
Config virtual host corrigée
---
NameVirtualHost localhost
<VirtualHost *:80>
DocumentRoot C:/wamp/www/
ServerName localhost
</VirtualHost>
NameVirtualHost monsite.local
<VirtualHost *:80>
DocumentRoot C:/wamp/www/monsite.local/
ServerName monsite.local
</VirtualHost>
Ok le problème était dans la définition de mes virtualhost
---
Config virtual host d'origine
---
NameVirtualHost localhost
<VirtualHost localhost>
DocumentRoot C:/wamp/www/
ServerName localhost
</VirtualHost>
NameVirtualHost monsite.local
<VirtualHost localhost>
DocumentRoot C:/wamp/www/monsite.local/
ServerName monsite.local
</VirtualHost>
---
Config virtual host corrigée
---
NameVirtualHost localhost
<VirtualHost *:80>
DocumentRoot C:/wamp/www/
ServerName localhost
</VirtualHost>
NameVirtualHost monsite.local
<VirtualHost *:80>
DocumentRoot C:/wamp/www/monsite.local/
ServerName monsite.local
</VirtualHost>