{   
    my $OUT = '';
    my $maxClient = ${'openvpn-routed'}{MaxClients} || '';
    my $configRequired = ${'openvpn-routed'}{ConfigRequired} || 'disabled';

    if ($configRequired eq 'enabled'){
        $OUT .= 'ccd-exclusive\n';
    }
    if ($maxClient =~ /^\d+$/){
        $OUT .= "max-clients $maxClient\n";
    }
}
client-config-dir ccd
