$cmd .= " -m iprange --src-range" if $rule->{nbsource} && $rule->{nbsource} > 1;
$cmd .= " -s $rule->{source}" if $rule->{source};
$cmd .= " -m iprange --dst-range" if $rule->{nbdest} && $rule->{nbdest} > 1;
- $cmd .= " -d $rule->{dest}" if $rule->{destination};
+ $cmd .= " -d $rule->{dest}" if $rule->{dest};
$cmd .= " -p $rule->{proto}" if $rule->{proto};
$cmd .= " --match multiport" if $rule->{nbdport} && $rule->{nbdport} > 1;
$cmd .= " --dport $rule->{dport}" if $rule->{dport};