if (my $fh = IO::File->new($filename, O_RDONLY)) {
$hostfw_conf = parse_host_fw_rules($filename, $fh);
$hostfw_options = $hostfw_conf->{options};
if (my $fh = IO::File->new($filename, O_RDONLY)) {
$hostfw_conf = parse_host_fw_rules($filename, $fh);
$hostfw_options = $hostfw_conf->{options};