Mod Rewrite para https solo en la ventana de inicio de sesion

[camachoc]

este es la configuracion de mis hosts virtuales

NameVirtualHost x.x.x.x:80
NameVirtualHost x.x.x.x:443

<VirtualHost x.x.x.x:80>
Servername x.x.x.x
ServerAdmin root@localhost
DocumentRoot /var/www
RewriteEngine On
RewriteRule ^/$ https : / / dominio / intranet / [L]

ErrorLog /var/log/apache2/webmail.error.log
CustomLog /var/log/apache2/webmail.access.log combined
ServerSignature Off
</VirtualHost>

<VirtualHost x.x.x.x:443>
ServerName x.x.x.x
ServerAdmin root@localhost
DocumentRoot /var/www
SSLEngine On
SSLCertificateFile /etc/apache2/apache.pem
<Directory /var/www>
Options FollowSymLinks
AllowOverride Limit
order allow,deny
allow from all
</Directory>
ErrorLog /var/log/apache2/webmail-ssl.error.log
CustomLog /var/log/apache2/webmail-ssl.access.log common
ServerSignature Off
</VirtualHost>

Alguna ayuda???
Gracias!!!