@font-face Firefox Font-Face Cross Domain Problem

Firefox simply don’t allow you to use by default a font that is not hosted on your domain, not even on your subdomain.

Access-Control-Allow-Origin - .htaccess

Header set Access-Control-Allow-Origin “*” for multiple domains
Access-Control-Allow-Origin: http://mysite.com

<FilesMatch '.(ttf|ttc|otf|eot|woff)$'>
    <IfModule mod_headers.c>
        Header set Access-Control-Allow-Origin '*'
    </IfModule>
</FilesMatch>
@font-face {
    font-family: 'UbuntuCondensedRegular';
    src: url('Ubuntu-C-webfont.eot');
    src: url('Ubuntu-C-webfont.eot?#iefix') format('embedded-opentype'),
         url('Ubuntu-C-webfont.woff') format('woff'),
         url('Ubuntu-C-webfont.ttf') format('truetype'),
         url('Ubuntu-C-webfont.svg#UbuntuCondensedRegular') format('svg');
    font-weight: normal;
    font-style: normal;
}