RewriteEngine	On


RewriteRule     ^([A-Fa-f0-9]{12})(\.(xml|cfg))?$                        app/provision/index.php?mac=$1 [QSA]
RewriteRule     ^([A-Fa-f0-9]{2}[:-][A-Fa-f0-9]{2}[:-][A-Fa-f0-9]{2}[:-][A-Fa-f0-9]{2}[:-][A-Fa-f0-9]{2}[:-][A-Fa-f0-9]{2}[:-])(\.(xml|cfg))?$                        app/provision/index.php?mac=$1 [QSA]